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Measurement of double-polarization asymmetries in the quasi-elastic He→3(e→,ep) process

Publication ,  Journal Article
Mihovilovič, M; Jin, G; Long, E; Zhang, YW; Allada, K; Anderson, B; Annand, JRM; Averett, T; Bertozzi, W; Boeglin, W; Bradshaw, P; Camsonne, A ...
Published in: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
January 10, 2019

We report on a precise measurement of double-polarization asymmetries in electron-induced breakup of He3 proceeding to pd and ppn final states, performed in quasi-elastic kinematics at Q2=0.25(GeV/c)2 for missing momenta up to 250MeV/c. These observables represent highly sensitive tools to investigate the electromagnetic and spin structure of He3 and the relative importance of two- and three-body effects involved in the breakup reaction dynamics. The measured asymmetries cannot be satisfactorily reproduced by state-of-the-art calculations of He3 unless their three-body segment is adjusted, indicating that the spin-dependent part of the nuclear interaction governing the three-body breakup process is much smaller than previously thought.

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Published In

Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

DOI

ISSN

0370-2693

Publication Date

January 10, 2019

Volume

788

Start / End Page

117 / 121

Related Subject Headings

  • Nuclear & Particles Physics
  • 51 Physical sciences
  • 49 Mathematical sciences
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
  • 0201 Astronomical and Space Sciences
  • 0105 Mathematical Physics
 

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Mihovilovič, M., Jin, G., Long, E., Zhang, Y. W., Allada, K., Anderson, B., … Zhao, B. (2019). Measurement of double-polarization asymmetries in the quasi-elastic He→3(e→,ep) process. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 788, 117–121. https://doi.org/10.1016/j.physletb.2018.10.063
Mihovilovič, M., G. Jin, E. Long, Y. W. Zhang, K. Allada, B. Anderson, J. R. M. Annand, et al. “Measurement of double-polarization asymmetries in the quasi-elastic He→3(e→,ep) process.” Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics 788 (January 10, 2019): 117–21. https://doi.org/10.1016/j.physletb.2018.10.063.
Mihovilovič M, Jin G, Long E, Zhang YW, Allada K, Anderson B, et al. Measurement of double-polarization asymmetries in the quasi-elastic He→3(e→,ep) process. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 2019 Jan 10;788:117–21.
Mihovilovič, M., et al. “Measurement of double-polarization asymmetries in the quasi-elastic He→3(e→,ep) process.” Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 788, Jan. 2019, pp. 117–21. Scopus, doi:10.1016/j.physletb.2018.10.063.
Mihovilovič M, Jin G, Long E, Zhang YW, Allada K, Anderson B, Annand JRM, Averett T, Bertozzi W, Boeglin W, Bradshaw P, Camsonne A, Canan M, Cates GD, Chen C, Chen JP, Chudakov E, De Leo R, Deng X, Deltuva A, Deur A, Dutta C, El Fassi L, Flay D, Frullani S, Garibaldi F, Gao H, Gilad S, Gilman R, Glamazdin O, Golak J, Golge S, Gomez J, Hansen O, Higinbotham DW, Holmstrom T, Huang J, Ibrahim H, de Jager CW, Jensen E, Jiang X, Jones M, Kamada H, Kang H, Katich J, Khanal HP, Kievsky A, King P, Korsch W, LeRose J, Lindgren R, Lu HJ, Luo W, Marcucci LE, Markowitz P, Meziane M, Michaels R, Moffit B, Monaghan P, Muangma N, Nanda S, Norum BE, Pan K, Parno DS, Piasetzky E, Posik M, Punjabi V, Puckett AJR, Qian X, Qiang Y, Qui X, Riordan S, Saha A, Sauer PU, Sawatzky B, Schiavilla R, Schoenrock B, Shabestari M, Shahinyan A, Širca S, Skibiński R, St. John J, Subedi R, Sulkosky V, Tireman W, Tobias WA, Topolnicki K, Urciuoli GM, Viviani M, Wang D, Wang K, Wang Y, Watson J, Wojtsekhowski B, Witała H, Ye Z, Zhan X, Zhang Y, Zheng X, Zhao B. Measurement of double-polarization asymmetries in the quasi-elastic He→3(e→,ep) process. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 2019 Jan 10;788:117–121.
Journal cover image

Published In

Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

DOI

ISSN

0370-2693

Publication Date

January 10, 2019

Volume

788

Start / End Page

117 / 121

Related Subject Headings

  • Nuclear & Particles Physics
  • 51 Physical sciences
  • 49 Mathematical sciences
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
  • 0201 Astronomical and Space Sciences
  • 0105 Mathematical Physics