Anton P. Tonchev | Scholars@Duke

Anton P. Tonchev
Adjunct Associate Professor of Physics

Current Appointments & Affiliations

Adjunct Associate Professor of Physics, Physics, Trinity College of Arts & Sciences 2015

Contact Information

107 Physics, Durham, NC 27708
Box 90305, Durham, NC 27708-0305
anton.tonchev@duke.edu (919) 660-2501

Background
Education, Training, & Certifications
- Ph.D., Joint Institute for Nuclear Research (Russia) 1995
- B.S., Plovdiv University (Bulgaria) 1988
- M.S., Plovdiv University (Bulgaria) 1988
Duke Appointment History
- Assistant Research Professor of Physics, Physics, Trinity College of Arts & Sciences 2007 - 2011
Publications & Artistic Works
Selected Publications
- Conference Papers
  - Gooden, M, Arnold, C, Bhike, M, Bredeweg, T, Fowler, M, Tonchev, A, Tornow, W, Stoyer, M, Vieira, D, and Wilhelmy, J. "Energy dependence of fission product yields from 235 U, 238 U, and 239 Pu with monoenergetic neutrons between thermal and 14.8 MeV." 2017. Full Text
  - Krishichayan, , Bhike, M, Tonchev, A, and Tornow, W. "Fission product yield measurements using monoenergetic photon beams." 2017. Full Text
  - Schwengner, R, Massarczyk, R, Bemmerer, D, Beyer, R, Junghans, AR, Kögler, T, Rusev, G, Tonchev, AP, Tornow, W, and Wagner, A. "E1 and M1 strength functions at low energy." 2017. Full Text
  - Tonchev, A, Escher, J, Scielzo, N, Bedrossian, P, Ilieva, R, Humby, P, Cooper, N, Goddard, P, Werner, V, Tornow, W, Rusev, G, Kelley, J, Pietralla, N, Scheck, M, Savran, D, Löher, B, Yates, S, Crider, B, Peters, E, Tsoneva, N, and Goriely, S. "Capture cross sections on unstable nuclei." 2017. Full Text
  - Hayes, AC, Cerjan, CJ, Jungman, G, Fowler, MM, Gooden, ME, Grim, GP, Henry, E, Rundberg, RS, Sepke, SM, Schneider, DHG, Singleton, RL, Tonchev, AP, Wilhelmy, JB, and Yeamans, CB. "Reaction-in-Flight neutrons as a test of stopping power in degenerate plasmas." May 2016. Full Text
  - Isaak, J, Beller, J, Fiori, E, Glorius, J, Krtička, M, Löher, B, Pietralla, N, Romig, C, Rusev, G, Savran, D, Scheck, M, Silva, J, Sonnabend, K, Tonchev, AP, Tornow, W, Weller, HR, and Zweidinger, M. "Investigation of the Photon Strength Function in 130 Te." January 5, 2016. Full Text
  - Escher, JE, Tonchev, AP, Burke, JT, Bedrossian, P, Casperson, RJ, Cooper, N, Hughes, RO, Humby, P, Ilieva, RS, Ota, S, Pietralla, N, Scielzo, ND, and Werner, V. "Compound-nuclear reactions with unstable nuclei: Constraining theory through innovative experimental approaches." 2016. Full Text
  - Benouaret, N, Beller, J, Isaak, J, Kelley, J, Pai, H, Pietralla, N, Ponomarev, V, Raut, R, Romig, C, Rusev, G, Savran, D, Scheck, M, Schnorrenberger, L, Sonnabend, K, Tonchev, A, Tornow, W, Weller, H, and Zweidinger, M. "QPM Analysis of 205 Tl Nuclear Excitations below the Giant Dipole Resonance." 2015. Full Text
  - Isaak, J, Löher, B, Savran, D, Aumann, T, Beller, J, Cooper, N, Derya, V, Duchêne, M, Endres, J, Fiori, E, Kelley, J, Knörzer, M, Pietralla, N, Ponomarev, V, Romig, C, Scheck, M, Scheit, H, Silva, J, Tonchev, A, Tornow, W, Weller, H, Werner, V, Zilges, A, and Zweidinger, M. "Decay pattern of the Pygmy Dipole Resonance in 140 Ce." 2015. Full Text
  - Tonchev, A, Bhatia, C, Kelley, J, Raut, R, Rusev, G, Tornow, W, and Tsoneva, N. "Nuclear Structure Studies with Gamma-Ray Beams." 2015. Full Text
  - Werner, V, Cooper, N, Goddard, P, Humby, P, Ilieva, R, Rusev, G, Beller, J, Bernards, C, Crider, B, Isaak, J, Kelley, J, Kwan, E, Löher, B, Peters, E, Pietralla, N, Romig, C, Savran, D, Scheck, M, Tonchev, A, Tornow, W, Yates, S, and Zweidinger, M. "Dipole strength distributions from HIGS Experiments." 2015. Full Text
  - Benouaret, N, Beller, J, Isaak, J, Kelley, J, Pai, H, Pietralla, N, Ponomarev, V, Raut, R, Romig, C, Rusev, G, Savran, D, Scheck, M, Schnorrenberger, L, Sonnabend, K, Tonchev, A, Tornow, W, Weller, H, and Zweidinger, M. "Photoexcitation of the Stable Tl Isotopes Below the Neutron Separation Energy." 2014. Full Text
  - Grim, GP, Rundberg, R, Hayes, AC, Jungman, G, Boswell, M, Klein, A, Wilhelmy, J, Tonchev, A, and Yeamans, CB. "Measurement of reaction-in-ight neutrons using thulium activation at the National Ignition Facility." January 1, 2014. Full Text
  - Isaak, J, Beller, J, Fiori, E, Krtička, M, Löher, B, Pietralla, N, Romig, C, Rusev, G, Savran, D, Scheck, M, Silva, J, Sonnabend, K, Tonchev, A, Tornow, W, Weller, H, and Zweidinger, M. "Decay pattern of the Pygmy Dipole Resonance in 130 Te." 2014. Full Text
  - Rusev, G, Tsoneva, N, Dönau, F, Frauendorf, S, Schwengner, R, Tonchev, AP, Adekola, AS, Hammond, SL, Kelley, JH, Kwan, E, Lenske, H, Tornow, W, and Wagner, A. "Fine structure of the giant M1 resonance in 90Zr." United States. January 11, 2013. Full Text Link to Item
  - Buntain, J, Lugaro, M, Iliadis, C, Raut, R, Tonchev, A, and Karakas, AI. "Kr Isotopic Compositions in Stardust SiC grains and AGB Winds." December 1, 2012.
  - Beller, J, Wagner, J, Ahmed, M, Deleanu, D, Filipescu, DM, Glodariu, T, Isaak, J, Kelley, JH, Kwan, E, Pietralla, N, Raut, R, Romig, C, Rusev, G, Scheck, M, Stave, SC, Tonchev, A, Tornow, W, Weller, HR, Zamfir, N-V, Zweidinger, M, and IOP, . "Energy separation of the 1(+)/1(-) parity doublet in Ne-20." 2012. Full Text Link to Item
  - Raut, R, Banu, A, Iliadis, C, Kelley, JH, Rusev, G, Schwengner, R, Tonchev, AP, Tornow, W, and IOP, . "Cross-Section Measurements of the Kr-86(gamma, n) Reaction to Probe the s-Process Branching at Kr-85." 2012. Full Text Link to Item
  - Raut, R, Banu, A, Iliadis, C, Kelley, JH, Rusev, G, Schwengner, R, Tonchev, AP, and Tornow, W. "Cross-section measurements of the⁸⁶Kr(γ, n) reaction to probe the s-process branching at⁸⁵Kr." January 1, 2012. Full Text
  - Rusev, G, Adekola, AS, Dönau, F, Frauendorf, S, Hammond, SL, Huibregtse, C, Kelley, JH, Kwan, E, Schwengner, R, Tonchev, AP, Tornow, W, and Wagner, A. "Fine structure of the giant M1 resonance in⁹⁰Zr." January 1, 2011. Full Text
  - Tonchev, AP, Hammond, SL, Kelley, JH, Kwan, E, Lenske, H, Raut, R, Rusev, G, Tornow, W, Tsoneva, N, and IOP, . "Coarse and Fine Structure of the Pygmy Dipole Resonance." 2011. Full Text Link to Item
  - Pietralla, N, Li, TC, Pritzsche, M, Ahmed, MW, Savran, D, Tonchev, AP, Tornow, W, Weller, HR, and Werner, V. "Spin and Parity Assignments to Dipole Excitations of the Odd-Mass Nucleus Pb-207 from Nuclear Resonance Fluorescence Experiments with Linearly-Polarized gamma-Ray Beams." 2010. Full Text Link to Item
  - Gunasingha, R, Howell, C, Crowell, A, Fallin, B, Yoshizumi, T, Song, H, Tonchev, A, Brady, S, and Anderson-Evans, C. "SU-FF-T-436: Comparison of Neutron Doses to a Water Target Exposed to a 10 MeV Neutron Beam: Foil Activation Method Vs. Monte Carlo Simulations." June 2009. Full Text
  - Fritzsche, M, Pietralla, N, Ahmed, MW, Rusev, G, Savran, D, Tonchev, AP, Weller, HR, and Zweidinger, M. "Weak-coupling of the neutron hole in²⁰⁷Pb to dipole excitations of²⁰⁸Pb." April 23, 2009. Full Text
  - Rusev, G, Angell, CT, Beyer, R, Doenau, F, Erhard, M, Grosse, E, Hammond, SL, Hutcheson, AL, Frauendorf, S, Junghans, AR, Kawowski, HJ, Kelley, JH, Klug, J, Kosev, K, Kwan, E, Nair, C, Nikolov, N, Schilling, K-D, Schwengner, R, Tonchev, AP, Tornow, W, and Wagner, A. "Dipole-Strength Distributions Below the Giant Dipole Resonance in the Stable Even-Mass Molybdenum Isotopes." 2009. Link to Item
  - Tonchev, AP, Angell, C, Hammond, S, Hutcheson, A, Karwowski, HJ, Kelley, JH, Kwan, E, Rusev, G, Tornow, W, and Tsoneva, N. "Recent Results from the Excitation of Dipole States at the HI gamma S Facility." 2009. Link to Item
  - Chadwick, MB, Little, RC, Kawano, T, Talou, P, Viera, D, Jandel, M, Bredeweg, TA, White, MC, Tonchev, AP, and Becker, JA. "Actinide ENDF/B-VII cross section evaluations and validation testing." December 1, 2008.
  - Angell, CT, Karwowski, HJ, Kelley, JH, Tonchev, AP, and Tornow, W. "Photo-induced population of the h(11/2) isomeric states in (gamma, n) reactions." 2006. Link to Item
- Journal Articles
  - Matthews, EF, Goldblum, BL, Bernstein, LA, Quiter, BJ, Brown, JA, Younes, W, Burke, JT, Padgett, SW, Ressler, JJ, and Tonchev, AP. "FIER: Software for analytical modeling of delayed gamma-ray spectra (Accepted)." Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 891 (May 21, 2018): 111-117. Full Text
  - Krishichayan, , Bhike, M, Tornow, W, Tonchev, AP, and Kawano, T. "Accurate ( ) reaction cross-section measurements from 6.5 to 14.8 MeV." Physical Review C 96, no. 4 (October 2017). Full Text
  - Tonchev, A, Tsoneva, N, Bhatia, C, Arnold, C, Goriely, S, Hammond, S, Kelley, J, Kwan, E, Lenske, H, Piekarewicz, J, Raut, R, Rusev, G, Shizuma, T, and Tornow, W. "Pygmy and core polarization dipole modes in 206 Pb: Connecting nuclear structure to stellar nucleosynthesis." Physics Letters B 773 (October 2017): 20-25. Full Text
  - Krishichayan, , Bhike, M, Finch, S, Howell, C, Tonchev, A, and Tornow, W. "Photofission cross-section ratio measurement of 235 U/ 238 U using monoenergetic photons in the energy range of 9.0–16.6 MeV." Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 854 (May 2017): 40-44. Full Text
  - Bhike, M, Tornow, W, Krishichayan, , and Tonchev, AP. "Exploratory study of fission product yield determination from photofission of at 11 MeV with monoenergetic photons." Physical Review C 95, no. 2 (February 2017). Full Text
  - Benouaret, N, Beller, J, Pai, H, Pietralla, N, Ponomarev, VY, Romig, C, Schnorrenberger, L, Zweidinger, M, Scheck, M, Isaak, J, Savran, D, Sonnabend, K, Raut, R, Rusev, G, Tonchev, AP, Tornow, W, Weller, HR, and Kelley, JH. "Dipole response of the odd-proton nucleus 205 Tl up to the neutron-separation energy." Journal of Physics G: Nuclear and Particle Physics 43, no. 11 (November 1, 2016): 115101-115101. Full Text
  - Löher, B, Savran, D, Aumann, T, Beller, J, Bhike, M, Cooper, N, Derya, V, Duchêne, M, Endres, J, Hennig, A, Humby, P, Isaak, J, Kelley, J, Knörzer, M, Pietralla, N, Ponomarev, V, Romig, C, Scheck, M, Scheit, H, Silva, J, Tonchev, A, Tornow, W, Wamers, F, Weller, H, Werner, V, and Zilges, A. "The decay pattern of the Pygmy Dipole Resonance of 140 Ce." Physics Letters B 756 (May 2016): 72-76. Full Text
  - Stave, S, Prinke, A, Greenwood, L, Haas, D, Burke, JT, Ressler, JJ, Tonchev, AP, and Younes, W. "Reducing uncertainties for short lived cumulative fission product yields." Journal of Radioanalytical and Nuclear Chemistry 307, no. 3 (March 2016): 2221-2225. Full Text
  - Champine, B, Gooden, ME, Krishichayan, , Norman, EB, Scielzo, ND, Stoyer, MA, Thomas, KJ, Tonchev, AP, Tornow, W, and Wang, BS. "Measurement of the cross section and the associated branching ratios in the decay of." Physical Review C 93, no. 1 (January 2016). Full Text
  - Gooden, M, Arnold, C, Becker, J, Bhatia, C, Bhike, M, Bond, E, Bredeweg, T, Fallin, B, Fowler, M, Howell, C, Kelley, J, Krishichayan, , Macri, R, Rusev, G, Ryan, C, Sheets, S, Stoyer, M, Tonchev, A, Tornow, W, Vieira, D, and Wilhelmy, J. "Energy Dependence of Fission Product Yields from 235U, 238U and 239Pu for Incident Neutron Energies Between 0.5 and 14.8 MeV." Nuclear Data Sheets 131 (January 2016): 319-356. Full Text
  - Hayes, AC, Jungman, G, Schulz, AE, Boswell, M, Fowler, MM, Grim, G, Klein, A, Rundberg, RS, Wilhelmy, JB, Wilson, D, Cerjan, C, Schneider, D, Sepke, SM, Tonchev, A, and Yeamans, C. "Reaction-in-flight neutrons as a test of stopping power in degenerate plasmas." Physics of Plasmas 22, no. 8 (August 2015): 082703-082703. Full Text
  - Bhatia, C, Fallin, BF, Gooden, ME, Howell, CR, Kelley, JH, Tornow, W, Arnold, CW, Bond, E, Bredeweg, TA, Fowler, MM, Moody, W, Rundberg, RS, Rusev, GY, Vieira, DJ, Wilhelmy, JB, Becker, JA, Macri, R, Ryan, C, Sheets, SA, Stoyer, MA, and Tonchev, AP. "Exploratory study of fission product yields of neutron-induced fission of , and at 8.9 MeV." Physical Review C 91, no. 6 (June 2015). Full Text
  - DiGiovine, B, Henderson, D, Holt, R, Raut, R, Rehm, K, Robinson, A, Sonnenschein, A, Rusev, G, Tonchev, A, and Ugalde, C. "Bubble chambers for experiments in nuclear astrophysics." Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 781 (May 2015): 96-104. Full Text
  - Krishichayan, , Bhike, M, Tornow, W, Rusev, G, Tonchev, AP, Tsoneva, N, and Lenske, H. "Polarized photon scattering off : Determining the parity of states." Physical Review C 91, no. 4 (April 2015). Full Text
  - Beller, J, Stumpf, C, Scheck, M, Pietralla, N, Deleanu, D, Filipescu, DM, Glodariu, T, Haxton, W, Idini, A, Kelley, JH, Kwan, E, Martinez-Pinedo, G, Raut, R, Romig, C, Roth, R, Rusev, G, Savran, D, Tonchev, AP, Tornow, W, Wagner, J, Weller, HR, Zamfir, NV, and Zweidinger, M. "Separation of the 1⁺/1^- parity doublet in ²⁰Ne." Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics 741 (February 4, 2015): 128-133. Full Text
  - Massarczyk, R, Rusev, G, Schwengner, R, Dönau, F, Bhatia, C, Gooden, M, Kelley, J, Tonchev, A, and Tornow, W. "Magnetic dipole strength in and in the spin-flip resonance region." Physical Review C 90, no. 5 (November 2014). Full Text
  - Bhatia, C, Fallin, B, Gooden, M, Howell, C, Kelley, J, Tornow, W, Arnold, C, Bond, E, Bredeweg, T, Fowler, M, Moody, W, Rundberg, R, Rusev, G, Vieira, D, Wilhelmy, J, Becker, J, Macri, R, Ryan, C, Sheets, S, Stoyer, M, and Tonchev, A. "Dual-fission chamber and neutron beam characterization for fission product yield measurements using monoenergetic neutrons." Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 757 (September 2014): 7-19. Full Text
  - Gunsing, F, Fraval, K, Mathelie, M, Valenta, S, Bečvář, F, Rusev, G, Tonchev, A, Mitchell, G, Baramsai, B, Altstadt, S, Andrzejewski, J, Audouin, L, Barbagallo, M, Bécares, V, Belloni, F, Berthoumieux, E, Billowes, J, Boccone, V, Bosnar, D, Brugger, M, Calviani, M, Calviño, F, Cano-Ott, D, Carrapiço, C, Cerutti, F, Chiaveri, E, Chin, M, Colonna, N, Cortés, G, Cortés-Giraldo, M, Diakaki, M, Domingo-Pardo, C, Duran, I, Dressler, R, Eleftheriadis, C, Ferrari, A, Ganesan, S, García, A, and Giubrone, G et al. "Spin Measurements of n +87Sr for Level Density Studies." Nuclear Data Sheets 119 (May 2014): 132-136. Full Text
  - deBoer, RJ, Best, A, Görres, J, Smith, K, Tan, W, Wiescher, M, Raut, R, Rusev, G, Tonchev, AP, and Tornow, W. "Photoneutron strengths in at energies of astrophysical interest." Physical Review C 89, no. 5 (May 2014). Full Text
  - Derya, V, Savran, D, Endres, J, Harakeh, M, Hergert, H, Kelley, J, Papakonstantinou, P, Pietralla, N, Ponomarev, V, Roth, R, Rusev, G, Tonchev, A, Tornow, W, Wörtche, H, and Zilges, A. "Isospin properties of electric dipole excitations in 48Ca." Physics Letters B 730 (March 2014): 288-292. Full Text
  - Sauerwein, A, Sonnabend, K, Fritzsche, M, Glorius, J, Kwan, E, Pietralla, N, Romig, C, Rusev, G, Savran, D, Schnorrenberger, L, Tonchev, AP, Tornow, W, and Weller, HR. "Determination of the cross section using quasi-monoenergetic Compton backscattered rays." Physical Review C 89, no. 3 (March 2014). Full Text
  - Massarczyk, R, Schwengner, R, Dönau, F, Frauendorf, S, Anders, M, Bemmerer, D, Beyer, R, Bhatia, C, Birgersson, E, Butterling, M, Elekes, Z, Ferrari, A, Gooden, ME, Hannaske, R, Junghans, AR, Kempe, M, Kelley, JH, Kögler, T, Matic, A, Menzel, ML, Müller, S, Reinhardt, TP, Röder, M, Rusev, G, Schilling, KD, Schmidt, K, Schramm, G, Tonchev, AP, Tornow, W, and Wagner, A. "Nuclear deformation and neutron excess as competing effects for dipole strength in the pygmy region." Physical review letters 112, no. 7 (February 18, 2014): 072501-. Full Text
  - Isaak, J, Savran, D, Krtička, M, Ahmed, MW, Beller, J, Fiori, E, Glorius, J, Kelley, JH, Löher, B, Pietralla, N, Romig, C, Rusev, G, Scheck, M, Schnorrenberger, L, Silva, J, Sonnabend, K, Tonchev, AP, Tornow, W, Weller, HR, and Zweidinger, M. "Constraining nuclear photon strength functions by the decay properties of photo-excited states." Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics 727, no. 4-5 (December 18, 2013): 361-365. Full Text
  - Romig, C, Beller, J, Glorius, J, Isaak, J, Kelley, JH, Kwan, E, Pietralla, N, Ponomarev, VY, Sauerwein, A, Savran, D, Scheck, M, Schnorrenberger, L, Sonnabend, K, Tonchev, AP, Tornow, W, Weller, HR, Zilges, A, and Zweidinger, M. "Low-lying dipole strength of the open-shell nucleus Mo-94." PHYSICAL REVIEW C 88, no. 4 (October 29, 2013). Full Text Link to Item
  - Scheck, M, Ponomarev, VY, Fritzsche, M, Joubert, J, Aumann, T, Beller, J, Isaak, J, Kelley, JH, Kwan, E, Pietralla, N, Raut, R, Romig, C, Rusev, G, Savran, D, Schorrenberger, L, Sonnabend, K, Tonchev, AP, Tornow, W, Weller, HR, Zilges, A, and Zweidinger, M. "Photoresponse of 60Ni below 10-MeV excitation energy: Evolution of dipole resonances in fp-shell nuclei near N=Z." Physical Review C - Nuclear Physics 88, no. 4 (October 7, 2013). Full Text
  - Elhami, E, Orce, JN, Scheck, M, Mukhopadhyay, S, Choudry, SN, McEllistrem, MT, Yates, SW, Angell, C, Boswell, M, Fallin, B, Howell, CR, Hutcheson, A, Karwowski, HJ, Kelley, JH, Parpottas, Y, Tonchev, AP, and Tornow, W. "Erratum: Experimental study of the low-lying structure of 94Zr with the (n,n^′γ) reaction (Physical Review C - Nuclear Physics (2008) 78 (064303))." Physical Review C - Nuclear Physics 88, no. 2 (August 20, 2013). Full Text
  - Scheck, M, Ponomarev, VY, Aumann, T, Beller, J, Fritzsche, M, Isaak, J, Kelley, JH, Kwan, E, Pietralla, N, Raut, R, Romig, C, Rusev, G, Savran, D, Sonnabend, K, Tonchev, AP, Tornow, W, Weller, HR, and Zweidinger, M. "Decay pattern of the pygmy dipole resonance in Ni-60." PHYSICAL REVIEW C 87, no. 5 (May 15, 2013). Full Text Link to Item
  - Bhatia, C, Gooden, ME, Tornow, W, and Tonchev, AP. "Ground-state and isomeric-state cross sections for Ta-181(n, 2n)Ta-180 between 8 and 15 MeV." PHYSICAL REVIEW C 87, no. 3 (March 21, 2013). Full Text Link to Item
  - Schwengner, R, Massarczyk, R, Rusev, G, Tsoneva, N, Bemmerer, D, Beyer, R, Hannaske, R, Junghans, AR, Kelley, JH, Kwan, E, Lenske, H, Marta, M, Raut, R, Schilling, KD, Tonchev, A, Tornow, W, and Wagner, A. "Pygmy dipole strength in Kr-86 and systematics of N=50 isotones." PHYSICAL REVIEW C 87, no. 2 (February 8, 2013). Full Text Link to Item
  - Ugalde, C, DiGiovine, B, Henderson, D, Holt, R, Rehm, K, Sonnenschein, A, Robinson, A, Raut, R, Rusev, G, and Tonchev, A. "First determination of an astrophysical cross section with a bubble chamber: The N15(α,γ)F19 reaction." Physics Letters B 719, no. 1-3 (February 2013): 74-77. Full Text
  - Omer, M, Negm, H, Zen, H, Hori, T, Kii, T, Masuda, K, Ohgaki, H, Hajima, R, Hayakawa, T, Daito, , Shizuma, T, Fujiwara, M, Park, S, Kikuzawa, N, Rusev, G, Tonchev, A, and Wu, Y. "Active Interrogation of Nuclear Materials Using LaBr3: Ce Detectors." Energy Procedia 34 (2013): 50-56. Full Text
  - Johnson, M, Hagmann, C, Hall, J, McNabb, D, Kelley, J, Huibregtse, C, Kwan, E, Rusev, G, and Tonchev, A. "Searching for illicit materials using nuclear resonance fluorescence stimulated by narrow-band photon sources." Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 285 (August 2012): 72-85. Full Text
  - Massarczyk, R, Schwengner, R, Doenau, F, Litvinova, E, Rusev, G, Beyer, R, Hannaske, R, Junghans, AR, Kempe, M, Kelley, JH, Koegler, T, Kosev, K, Kwan, E, Marta, M, Matic, A, Nair, C, Raut, R, Schilling, KD, Schramm, G, Stach, D, Tonchev, AP, Tornow, W, Trompler, E, Wagner, A, and Yakorev, D. "Electromagnetic dipole strength of Ba-136 below the neutron separation energy." PHYSICAL REVIEW C 86, no. 1 (July 17, 2012). Full Text Link to Item
  - Tornow, W, Kelley, JH, Raut, R, Rusev, G, Tonchev, AP, Ahmed, MW, Crowell, AS, and Stave, SC. "Photodisintegration cross section of the reaction He-4(gamma,n)He-3 at the giant dipole resonance peak." PHYSICAL REVIEW C 85, no. 6 (June 1, 2012). Full Text Link to Item
  - Raut, R, Tornow, W, Ahmed, MW, Crowell, AS, Kelley, JH, Rusev, G, Stave, SC, and Tonchev, AP. "Photodisintegration cross section of the reaction (4)He(γ,p)(3)H between 22 and 30 MeV." Phys Rev Lett 108, no. 4 (January 27, 2012): 042502-. Full Text Link to Item
  - Hammond, SL, Adekola, AS, Angell, CT, Karwowski, HJ, Kwan, E, Rusev, G, Tonchev, AP, Tornow, W, Howell, CR, and Kelley, JH. "Dipole response of 238U to polarized photons below the neutron separation energy." Physical Review C - Nuclear Physics 85, no. 4 (2012). Full Text
  - Omer, M, Negm, H, Zen, H, Hori, T, Kii, T, Masuda, K, Ohgaki, H, Hajima, R, Hayakawa, T, Daito, I, Shizuma, T, Fujiwara, M, Park, SH, Kikuzawa, N, Rusev, G, Tonchev, AP, and Wu, YK. "Detection of photon-induced excitations in ²³⁵U with LaBr ₃:Ce scintillating detectors." IEEE Nuclear Science Symposium Conference Record (2012): 55-58. Full Text
  - Tornow, W, Karwowski, HJ, Kelley, JH, Raut, R, Rusev, G, Stave, SC, Tonchev, AP, Deltuva, A, Fonseca, AC, Marcucci, LE, Viviani, M, Kievsky, A, Golak, J, Skibinski, R, Witala, H, and Schiavilla, R. "Two-body photodisintegration of He-3 between 7 and 16 MeV." PHYSICS LETTERS B 702, no. 2-3 (August 11, 2011): 121-126. Full Text Link to Item
  - Isaak, J, Savran, D, Fritzsche, M, Galaviz, D, Hartmann, T, Kamerdzhiev, S, Kelley, JH, Kwan, E, Pietralla, N, Romig, C, Rusev, G, Sonnabend, K, Tonchev, AP, Tornow, W, and Zilges, A. "Investigation of low-lying electric dipole strength in the semimagic nucleus Ca-44." PHYSICAL REVIEW C 83, no. 3 (March 7, 2011). Full Text Link to Item
  - Kwan, E, Rusev, G, Adekola, AS, Dönau, F, Hammond, SL, Howell, CR, Karwowski, HJ, Kelley, JH, Pedroni, RS, Raut, R, Tonchev, AP, and Tornow, W. "Discrete deexcitations in U235 below 3 MeV from nuclear resonance fluorescence." Physical Review C - Nuclear Physics 83, no. 4 (2011). Full Text
  - Raut, R, Crowell, AS, Fallin, B, Howell, CR, Huibregtse, C, Kelley, JH, Kawano, T, Kwan, E, Rusev, G, Tonchev, AP, Tornow, W, Vieira, DJ, and Wilhelmy, JB. "Cross-section measurements of neutron-induced reactions on GaAs using monoenergetic beams from 7.5 to 15 MeV." Physical Review C - Nuclear Physics 83, no. 4 (2011). Full Text
  - Raut, R, Crowell, AS, Fallin, B, Howell, CR, Huibregtse, C, Kelley, JH, Kawano, T, Kwan, E, Rusev, G, Tonchev, AP, Tornow, W, Vieira, DJ, and Wilhelmy, JB. "Cross section measurements of neutron induced reactions on GaAs using monoenergetic beams from 7.5 to 15 MeV." Journal of Physics: Conference Series 312, no. SECTION 6 (2011). Full Text
  - Brady, SL, Gunasingha, R, Yoshizumi, TT, Howell, CR, Crowell, AS, Fallin, B, Tonchev, AP, and Dewhirst, MW. "A feasibility study using radiochromic films for fast neutron 2D passive dosimetry." Phys Med Biol 55, no. 17 (September 7, 2010): 4977-4992. Full Text Link to Item
  - deBoer, RJ, Wiescher, M, Görres, J, Longland, R, Iliadis, C, Rusev, G, and Tonchev, AP. "Photoexcitation of astrophysically important states in . II. Ground-state-transition partial widths." Physical Review C 82, no. 2 (August 2010). Full Text
  - Carson, S, Iliadis, C, Cesaratto, J, Champagne, A, Downen, L, Ivanovic, M, Kelley, J, Longland, R, Newton, JR, Rusev, G, and Tonchev, AP. "Ratio of germanium detector peak efficiencies at photon energies of 4.4 and 11.7MeV: Experiment versus simulation." Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 618, no. 1-3 (June 2010): 190-198. Full Text
  - Tonchev, AP, Hammond, SL, Kelley, JH, Kwan, E, Lenske, H, Rusev, G, Tornow, W, and Tsoneva, N. "Spectral structure of the pygmy dipole resonance." Phys Rev Lett 104, no. 7 (February 19, 2010): 072501-. Full Text Open Access Copy Link to Item
  - Tonchev, AP, Hammond, SL, Howell, CR, Huibregtse, C, Hutcheson, A, Kelley, JH, Kwan, E, Raut, R, Rusev, G, Tornow, W, Kawano, T, Vieira, DJ, and Wilhelmy, JB. "Measurement of the Am₂₄₁(γ,n)Am₂₄₀ reaction in the giant dipole resonance region." Physical Review C - Nuclear Physics 82, no. 5 (2010). Full Text
  - Longland, R, Iliadis, C, Rusev, G, Tonchev, AP, deBoer, RJ, Görres, J, and Wiescher, M. "Photoexcitation of astrophysically important states in." Physical Review C 80, no. 5 (November 2009). Full Text
  - Hagmann, CA, Hall, JM, Johnson, MS, McNabb, DP, Kelley, JH, Huibregtse, C, Kwan, E, Rusev, G, and Tonchev, AP. "Transmission-based detection of nuclides with nuclear resonance fluorescence using a quasimonoenergetic photon source." Journal of Applied Physics 106, no. 8 (October 15, 2009): 084901-084901. Full Text
  - Chadwick, MB, Little, RC, Kawano, T, Talou, P, Viera, D, Jandel, M, Bredeweg, TA, White, MC, Tonchev, AP, and Becker, JA. "Actinide ENDF/B-VII cross-section evaluations and validation testing." Annals of Nuclear Energy 36, no. 3 (April 2009): 258-262. Full Text
  - Rusev, G, Tonchev, AP, Schwengner, R, Sun, C, Tornow, W, and Wu, YK. "Multipole mixing ratios of transitions in B-11." PHYSICAL REVIEW C 79, no. 4 (April 2009). Full Text Link to Item
  - Bowman, CD, Bilpuch, EG, Bowman, DC, Crowell, AS, Howell, CR, McCabe, K, Smith, GA, Tonchev, AP, Tornow, W, Violet, V, Vogelaar, RB, Walter, RL, and Yingling, J. "Reducing Parasitic Thermal Neutron Absorption in Graphite by 30%." Nucl. Science and Eng. 161 (2009): 68-. (Academic Article)
  - Bowman, CD, Bowman, DC, Bilpuch, EG, Crowell, AS, Howell, CR, McCabe, K, Smith, GA, Tonchev, AP, Tornow, W, Vylet, V, and Walter, RL. "Neutrons from a proton-driven deuterium target as a possible competitor to spallation for nuclear energy applications." Nuclear Science and Engineering 161, no. 1 (2009): 119-124.
  - Bowman, CD, Vogelaar, RB, Bilpuch, EG, Bowman, DC, Howell, CR, Pierson, MA, Tonchev, AP, and Tornow, W. "Basis for green energy multiplier*alternative nuclear technology (GEM*ART)." Transactions of the American Nuclear Society 100 (2009): 578-579.
  - Hutcheson, A, Angell, C, Becker, JA, Crowell, AS, Dashdorj, D, Fallin, B, Fotiades, N, Howell, CR, Karwowski, HJ, Kawano, T, Kelley, JH, Kwan, E, MacRi, RA, Nelson, RO, Pedroni, RS, Tonchev, AP, and Tornow, W. "Cross sections for U238(n,n'γ) and U238(n,2nγ) reactions at incident neutron energies between 5 and 14 MeV." Physical Review C - Nuclear Physics 80, no. 1 (2009). Full Text
  - Pietralla, N, Li, TC, Fritzsche, M, Ahmed, MW, Ahn, T, Costin, A, Enders, J, Li, J, Müller, S, Neumann-Cosel, PV, Pinayev, IV, Ponomarev, VY, Savran, D, Tonchev, AP, Tornow, W, Weller, HR, Werner, V, Wu, YK, and Zilges, A. "Competition between excited core states and 1 ℏ ω single-particle excitations at comparable energies in ²⁰⁷Pb from photon scattering." Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics 681, no. 2 (2009): 134-138. Full Text
  - Sun, C, Li, J, Rusev, G, Tonchev, AP, and Wu, YK. "Energy and energy spread measurements of an electron beam by Compton scattering method." Physical Review Special Topics - Accelerators and Beams 12, no. 6 (2009). Full Text
  - Sun, C, Wu, YK, Rusev, G, and Tonchev, AP. "End-to-end spectrum reconstruction method for analyzing Compton gamma-ray beams." Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 605, no. 3 (2009): 312-317. Full Text
  - Tonchev, AP, Hammond, S, Howell, CR, Huibregtse, C, Hutcheson, A, Karwowski, HJ, Kelley, JH, Kwan, E, Rusev, G, Tornow, W, Vieira, DJ, and Wilhelmy, JB. "Photodisintegration cross section of²⁴¹Am." AIP Conference Proceedings 1099 (2009): 820-823. Full Text
  - Bowman, CD, Bowman, DC, Hill, T, Long, J, Tonchev, AP, Tornow, W, Trouw, F, Vogel, S, Walter, RL, Wender, S, and Yuan, V. "Measurements of thermal neutron diffraction and inelastic scattering in reactor-grade graphite." NUCLEAR SCIENCE AND ENGINEERING 159, no. 2 (June 2008): 182-198. Full Text Link to Item
  - Elhami, E, Orce, JN, Scheck, M, Mukhopadhyay, S, Choudry, SN, McEllistrem, MT, Yates, SW, Angell, C, Boswell, M, Fallin, B, Howell, CR, Hutcheson, A, Karwowski, HJ, Kelley, JH, Parpottas, Y, Tonchev, AP, and Tornow, W. "Experimental study of the low-lying structure of Zr94 with the (n,n'γ) reaction." Physical Review C - Nuclear Physics 78, no. 6 (2008). Full Text
  - Tonchev, AP, Angell, CT, Boswell, M, Crowell, AS, Fallin, B, Hammond, S, Howell, CR, Hutcheson, A, Karwowski, HJ, Kelley, JH, Pedroni, RS, Tornow, W, Becker, JA, Dashdorj, D, Kenneally, J, MacRi, RA, Stoyer, MA, Wu, CY, Bond, E, Chadwick, MB, Fitzpatrick, J, Kawano, T, Rundberg, RS, Slemmons, A, Vieira, DJ, and Wilhelmy, JB. "Measurement of the Am241(n,2n) reaction cross section from 7.6 MeV to 14.5 MeV." Physical Review C - Nuclear Physics 77, no. 5 (2008). Full Text
  - Hutcheson, A, Angell, CT, Becker, JA, Boswell, M, Crowell, AS, Dashdorj, D, Fallin, B, Fotiades, N, Howell, CR, Karwowski, HJ, Kelley, JH, Kiser, M, Macri, RA, Nelson, RO, Pedroni, RS, Tonchev, AP, Tornow, W, Vieira, DJ, Weisel, GJ, and Wilhelmy, JB. "Pulsed and monoenergetic beams for neutron cross-section measurements using activation and scattering techniques at Triangle Universities Nuclear Laboratory." Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms 261, no. 1-2 SPEC. ISS. (2007): 369-372. Full Text
  - Tonchev, AP, Angell, C, Boswell, M, Chyzh, A, Howell, CR, Karwowski, HJ, Kelley, JH, Tornow, W, Tsoneva, N, and Wu, YK. "Study of collective dipole excitations below the giant dipole resonance at HIγS." AIP Conference Proceedings 891 (2007): 339-347. Full Text
  - Li, TC, Pietralla, N, Tonchev, AP, Ahmed, MW, Ahn, T, Angell, C, Blackston, MA, Costin, A, Keeter, KJ, Li, J, Lisetskiy, A, Mikhailov, S, Parpottas, Y, Perdue, BA, Rainovski, G, Tornow, W, Weller, HR, and Wu, YK. "First evidence for spin-flip M1 strength in Ar40." Physical Review C - Nuclear Physics 73, no. 5 (2006). Full Text
  - Sabourov, A, Ahmed, MW, Blackston, MA, Crowell, AS, Howell, CR, Joshi, K, Nelson, SO, Perdue, BA, Sabourov, K, Tonchev, A, Weller, HR, Prior, RM, Spraker, MC, Braizinha, B, and Kalantar-Nayestanaki, N. "The Li7(d→,n0)Be8 and Li7(d→,n1)Be8 reactions below 160 keV." Physical Review C - Nuclear Physics 74, no. 6 (2006). Full Text
  - Sabourov, A, Ahmed, MW, Blackston, MA, Crowell, AS, Howell, CR, Perdue, BA, Sabourov, K, Tonchev, A, Weller, HR, Prior, RM, and Spraker, MC. "Astrophysical S factor for the Li7(d,n0)Be8 and Li7(d,n1)Be8 reactions." Physical Review C - Nuclear Physics 73, no. 1 (2006). Full Text
  - Tonchev, AP, Angell, C, Boswell, M, Howell, CR, Karwowski, HJ, Kelley, JH, Tornow, W, and Tsoneva, N. "Low-energy dipole modes of excitation below the neutron separation energy." AIP Conference Proceedings 819 (2006): 350-354. Full Text
  - Werner, V, Pietralla, N, Brentano, PV, Kneissl, U, Pitz, HH, Tonchev, A, Ahmed, MW, Fransen, C, Garrel, HV, Kohstall, C, Li, J, Linnemann, A, Müller, S, Pinayev, IV, Savran, D, Scheck, M, Stedile, F, Tornow, W, Walter, S, Weller, HR, and Wu, YK. "New findings for mixed-symmetry states." AIP Conference Proceedings 819 (2006): 340-344. Full Text
  - Tonchev, AP, Boswell, M, Howell, CR, Karwowski, HJ, Kelley, JH, Tornow, W, and Wu, YK. "The high intensity gamma-ray source (HI gamma S) and recent results." NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS 241, no. 1-4 (December 2005): 170-175. Full Text Link to Item
  - Savran, D, Müller, S, Zilges, A, Babilon, M, Ahmed, MW, Kelley, JH, Tonchev, A, Tornow, W, Weller, HR, Pietralla, N, Li, J, Pinayev, IV, and Wu, YK. "Parity assignments in ^172,174Yb using polarized photons and the K quantum number in rare earth nuclei." Physical Review C - Nuclear Physics 71, no. 3 (2005). Full Text Open Access Copy
  - Tornow, W, Esterline, JH, Howell, CR, Karwowski, HJ, Kelley, JH, Tonchev, AP, Li, J, Mikhailov, SF, Pinayev, IV, Wu, YK, Weisel, GJ, and Witała, H. "Photon analyzing power for the three-body breakup of ³He at E_γ = 15.0 MeV." AIP Conference Proceedings 768 (2005): 138-140. Full Text
  - Perdue, BA, Ahmed, MW, Tonchev, AP, Weller, HR, Feldman, G, Litvinenko, VN, Pinayev, IV, Norum, BE, Prior, RM, Spraker, MC, and Sawatzky, BD. "Compton scattering of polarized gamma rays by O-16 for E-gamma=25-40 MeV." PHYSICAL REVIEW C 70, no. 6 (December 2004). Full Text Link to Item
  - Sabourov, K, Ahmed, MW, Canon, SR, Crowley, B, Joshi, K, Kelley, JH, Nelson, SO, Perdue, BA, Schreiber, EC, Sabourov, A, Tonchev, A, Weller, HR, Wulf, EA, Prior, RM, Spraker, MC, Hofmann, HM, and Trini, M. "Experimental and Theoretical Study of the D(d,gamma)4He Reaction below Ecm = 60 keV." Physical Review C70 (December 2004): 064601-. (Academic Article) Link to Item
  - Prior, RM, Spraker, MC, Amthor, AM, Keeter, KJ, Nelson, SO, Sabourov, A, Sabourov, K, Tonchev, A, Ahmed, M, Kelley, JH, Tilley, DR, Weller, HR, and Hofmann, HM. "Energy dependence of the astrophysical S factor for the Li-6(p, gamma)Be-7 reaction." PHYSICAL REVIEW C 70, no. 5 (November 2004). Full Text Link to Item
  - Fransen, C, Pietralla, N, Tonchev, AP, Ahmed, MW, Chen, J, Feldman, G, Kneissl, U, Li, J, Litvinenko, VN, Perdue, B, Pinayev, IV, Pitz, HH, Prior, R, Sabourov, K, Spraker, M, Tornow, W, Weller, HR, Werner, V, Wu, YK, and Yates, SW. "Parity assignments to strong dipole excitations of Zr-92 and Mo-96." PHYSICAL REVIEW C 70, no. 4 (October 2004). Full Text Link to Item
  - Ahmed, MW, Feldman, G, Litvinenko, VN, Nelson, SO, Norum, BE, Perdue, B, Pinayev, IV, Sawatzky, B, Tonchev, AP, Wu, Y, and Weller, HR. "Background reduction in FEL-generated γ-ray beam experiments using giant high-peak power pulses." Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 516, no. 2-3 (2004): 440-444. Full Text
  - Nelson, SO, Ahmed, MW, Perdue, BA, Sabourov, K, Sabourov, AL, Tonchev, AP, Prior, RM, Spraker, M, and Weller, HR. "Analyzing power measurement for the reaction at astrophysically relevant energies." Physical Review C 68, no. 6 (December 2003). Full Text
  - Tonchev, AP, Nelson, SO, Sabourov, K, Crowley, BT, Joshi, K, Weller, HR, Kelley, JH, Prior, RM, Spraker, M, and Kalantar-Nayestanaki, N. "The reaction at astrophysically relevant energies." Physical Review C 68, no. 4 (October 2003). Full Text
  - Nelson, SO, Ahmed, MW, Perdue, BA, Sabourov, K, Sabourov, AL, Tonchev, AP, Prior, RM, Spraker, M, and Weller, HR. "Analyzing power measurement for the ¹⁴N(→p, γ) ¹⁵O reaction at astrophysically relevant energies." Physical Review C - Nuclear Physics 68, no. 6 (January 1, 2003): 658041-658046.
  - Tonchev, AP, Nelson, SO, Sabourov, K, Crowley, BT, Joshi, K, Weller, HR, Kelley, JH, Prior, RM, Spraker, M, and Kalantar-Nayestanaki, N. "The¹⁰B(p→, γ)¹¹C reaction at astrophysically relevant energies." Physical Review C - Nuclear Physics 68, no. 4 (January 1, 2003): 458031-4580312.
  - Pietralla, N, Weller, HR, Litvinenko, VN, Ahmed, MW, and Tonchev, AP. "Parity measurements of nuclear dipole excitations using FEL-generated gamma-rays at HI gamma S." NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT 483, no. 1-2 (May 1, 2002): 556-559. Full Text Link to Item
  - Pietralla, N, Litvinenko, VN, Hartman, S, Mikhailov, FF, Pinayev, IV, Swift, G, Ahmed, MW, Kelley, JH, Nelson, SO, Prior, R, Sabourov, K, Tonchev, AP, and Weller, HR. "Identification of the J^π=1^-two-phonon state of⁸⁸Sr." Physical Review C - Nuclear Physics 65, no. 4 (April 1, 2002): 473051-473053.
  - Pietralla, N, Litvinenko, VN, Hartman, S, Mikhailov, FF, Pinayev, IV, Swift, G, Ahmed, MW, Kelley, JH, Nelson, SO, Prior, R, Sabourov, K, Tonchev, AP, and Weller, HR. "Identification of the two-phonon state of." Physical Review C 65, no. 4 (April 2002). Full Text
  - Pietralla, N, Berant, Z, Litvinenko, VN, Hartman, S, Mikhailov, FF, Pinayev, IV, Swift, G, Ahmed, MW, Kelley, JH, Nelson, SO, Prior, R, Sabourov, K, Tonchev, AP, and Weller, HR. "Parity measurements of nuclear levels using a free-electron-laser generated gamma-ray beam." PHYSICAL REVIEW LETTERS 88, no. 1 (January 7, 2002). Full Text Link to Item
  - Pietralla, N, Litvinenko, VN, Hartman, S, Mikhailov, FF, Pinayev, IV, Swift, G, Ahmed, MW, Kelley, JH, Nelson, SO, Prior, R, Sabourov, K, Tonchev, AP, and Weller, HR. "Erratum: Identification of the J^π=1^-two-phonon state of⁸⁸Sr (Physical Review C (2002) 65 (047305))." Physical Review C - Nuclear Physics 65, no. 6 (January 1, 2002): 699011-.
  - Gangrsky, YP, Zuzaan, P, Lukashik, NN, and Tonchev, AP. "Izomeric ratios in cross reactions (ny) and (γn)." Izvestiya Akademii Nauk. Ser. Fizicheskaya 65, no. 1 (December 1, 2001): 111-116.
  - Nesaraja, CD, Brune, CR, Crowley, BT, Kelley, JH, Nelson, SO, Prior, RM, Sabourov, K, Tilley, DR, Tonchev, A, and Weller, HR. "Ratio of S factors for (p,gamma) reactions on C-12 and C-13 at astrophysically relevant energies." PHYSICAL REVIEW C 64, no. 6 (December 2001). Full Text Link to Item
  - Belov, AG, Gangrsky, YP, Melnikova, LM, Ponomarev, VY, Tsoneva, N, Stoyanov, C, Tonchev, A, and Balabanov, N. "Excitation of isomeric 1h 11/2 states in nuclear reactions induced by γ rays and neutrons and in beta decay." Physics of Atomic Nuclei 64, no. 11 (November 2001): 1901-1908. Full Text
  - Nesaraja, CD, Brune, CR, Crowley, BT, Kelley, JH, Nelson, SO, Prior, RM, Sabourov, K, Tilley, DR, Tonchev, A, and Weller, HR. "Ratio of S factors for reactions on and at astrophysically relevant energies." Physical Review C 64, no. 6 (November 2001). Full Text
  - Tonchev, AP, and Harmon, JF. "Excitation of the 180mTa isomer in (gamma,n) reactions and its astrophysical relevance." Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine 52, no. 4 (April 2000): 873-882. Full Text
  - Tsoneva, N, Stoyanov, C, Gangrsky, YP, Ponomarev, VY, Balabanov, NP, and Tonchev, AP. "Population of isomers in the decay of the giant dipole resonance." Physical Review C 61, no. 4 (February 2000). Full Text
  - Tsoneva, N, Stoyanov, C, Gangrsky, YP, Ponomarev, VY, Balabanov, NP, and Tonchev, AP. "Population of isomers in the decay of the giant dipole resonance." Physical Review C - Nuclear Physics 61, no. 4 (January 1, 2000): 443031-443039.
  - Gangrsky, YP, Zuzaan, P, Kolesnikov, NN, Lukashek, VG, and Tonchev, AP. "Isomeric ratios in (γ, p) reactions at giant-dipole-resonance energies." Physics of Atomic Nuclei 62, no. 10 (October 1, 1999): 1615-1620.
  - Tonchev, A, Gangrsky, Y, and Belov, A. "New candidates for high spin isomeric targets." Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 422, no. 1-3 (February 1999): 532-535. Full Text
  - Tonchev, A, Harmon, J, and Brey, R. "Analysis of ore samples employing photon activation of the metastable states of gold and silver." Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 422, no. 1-3 (February 1999): 926-928. Full Text
  - Tonchev, A, Harmon, J, and King, B. "Application of low energy photon spectroscopy in isomer production of Hf, W, Ir, Pt, Au and Hg using (γ,γ′) reactions." Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 422, no. 1-3 (February 1999): 510-512. Full Text
  - Tonchev, AP, Gangrsky, YP, Belov, AG, and Zhuchko, VE. "Deformation on isomeric excitation of Eu isotopes in and reactions." Physical Review C 58, no. 5 (November 1998): 2851-2857. Full Text
  - Belov, AG, Gangrsky, YP, Tonchev, AP, and Zuzaan, P. "Excitation of the high-spin¹⁸⁰Hf isomer and de-excitation of the¹⁸⁰Ta isomer in (γ, γ′) reactions." Hyperfine Interactions 107, no. 1-4 (December 1, 1997): 167-173.
  - Belov, AG, Gangrsky, YP, Zuzaan, P, and Tonchev, AP. "Excitation of high-spin isomer¹⁸⁰Hf and deexcitation of high-spin isomer ls"Ta at inelastic scattering of y-quanta." Izvestiya Akademii Nauk. Ser. Fizicheskaya 61, no. 2 (December 1, 1997): 401-406.
  - Belov, AG, Gangrsky, YP, Zhuchko, VE, and Tonchev, AP. "Excitation of isomeric states in (γ, n) and (n, γ) reactions on Eu isotopes." Physics of Atomic Nuclei 60, no. 11 (November 1, 1997): 1773-1779.
  - Gangrskiǐ, YP, Tonchev, AP, and Balabanov, NP. "Excitation of isomeric states in photonuclear reactions." Physics of Particles and Nuclei 27, no. 4 (July 1, 1996): 428-452.
  - Belov, AG, Gangrsky, YP, Tonchev, AP, and Balabanov, NP. "Excitation of isomeric 1h11/2states in the reactions (γ, n)." Physics of Atomic Nuclei 59, no. 4 (April 1, 1996): 553-559.
  - Belov, AG, Gangrsky, YP, Tonchev, AP, Balabanov, NP, and Hristov, HG. "Measurement of isomeric ratios in the reactions (γ, n) on barium isotopes in the giant-dipole-resonance region." Physics of Atomic Nuclei 59, no. 3 (March 1, 1996): 367-371.
  - Kondev, P, Tonchev, A, Khristov, K, and Zhuchko, V. "Calculation of bremsstrahlung spectra from a thick tungsten radiator as a function of photon energy and angle." Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 71, no. 2 (August 1992): 126-131. Full Text
  - Tonchev, AP, Kondev, PG, Hristov, HG, Gangrsky, YP, Balabanov, NP, and Tcholakov, VD. "Isomeric yield ratio of134I in photofission of232Th and238U." Journal of Radioanalytical and Nuclear Chemistry Letters 155, no. 5 (November 1991): 299-309. Full Text
  - Goddard, PM, Cooper, N, Werner, V, Rusev, G, Stevenson, PD, Rios, A, Bernards, C, Chakraborty, A, Crider, BP, Kelley, JH, Kwan, E, Glorius, J, Peters, EE, Pietralla, N, Raut, R, Romig, C, Savran, D, Schnorrenberger, L, Smith, MK, Sonnabend, K, Tonchev, AP, Tornow, W, and Yates, SW. "The electric dipole response of $^{76}$Se above 4 MeV." Phys. Rev. C 88: 064308-. Full Text Link to Item
  - Löher, B, Derya, V, Aumann, T, Beller, J, Cooper, N, Duchene, M, Endres, J, Fiori, E, Isaak, J, Kelley, J, Knörzer, M, Pietralla, N, Romig, C, Scheck, M, Scheit, H, Silva, J, Tonchev, AP, Tornow, W, Weller, H, Werner, V, and Zilges, A. "The high-efficiency γ-ray spectroscopy setup γ3 at HIγS." Full Text Link to Item

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