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Cross-section measurements of the 94Mo(γ,n) and 90Zr(γ,n) reactions using real photons at the HI γ S facility

Publication ,  Conference
Banu, A; Silano, J; Karwowski, H; Meekins, E; Bhike, M; Tornow, W; McCleskey, M
Published in: EPJ Web of Conferences
May 16, 2018

The photodisintegration reaction cross-sections for 94Mo(γ,n) and 90Zr(γ,n) have been experimentally investigated with quasi-monochromatic photon beams at the High Intensity γ-Ray Source (HIγS) facility, Triangle University Nuclear Laboratory (TUNL). The measurements were focused primarily on studying the energy dependence of the photoneutron cross sections, which is the most direct way of testing statistical models, and were performed close to the respective neutron thresholds and above up to ∼ 20 MeV. Neutrons from the (γ,n) reactions were detected using a 4π assembly of 3He proportional counters developed at Los Alamos National Laboratory and presently available at TUNL. While the 94Mo(γ,n) cross section measurement aims to contribute to a broader investigation for understanding the γ-process (the mechanism responsible for the nucleosynthesis of the so-called p-nuclei), the information from the 90Zr(γ,n) data is relevant to constrain QRPA calculations of γ-ray strength functions in this mass region. In this contribution, we will present our preliminary results of the total (γ,n) excitation functions for the two photoneutron reactions on 94Mo and 90Zr.

Duke Scholars

Published In

EPJ Web of Conferences

DOI

EISSN

2100-014X

ISSN

2101-6275

Publication Date

May 16, 2018

Volume

178

Related Subject Headings

  • 5110 Synchrotrons and accelerators
  • 5107 Particle and high energy physics
 

Citation

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Banu, A., Silano, J., Karwowski, H., Meekins, E., Bhike, M., Tornow, W., & McCleskey, M. (2018). Cross-section measurements of the 94Mo(γ,n) and 90Zr(γ,n) reactions using real photons at the HI γ S facility. In EPJ Web of Conferences (Vol. 178). https://doi.org/10.1051/epjconf/201817803007
Banu, A., J. Silano, H. Karwowski, E. Meekins, M. Bhike, W. Tornow, and M. McCleskey. “Cross-section measurements of the 94Mo(γ,n) and 90Zr(γ,n) reactions using real photons at the HI γ S facility.” In EPJ Web of Conferences, Vol. 178, 2018. https://doi.org/10.1051/epjconf/201817803007.
Banu A, Silano J, Karwowski H, Meekins E, Bhike M, Tornow W, et al. Cross-section measurements of the 94Mo(γ,n) and 90Zr(γ,n) reactions using real photons at the HI γ S facility. In: EPJ Web of Conferences. 2018.
Banu, A., et al. “Cross-section measurements of the 94Mo(γ,n) and 90Zr(γ,n) reactions using real photons at the HI γ S facility.” EPJ Web of Conferences, vol. 178, 2018. Scopus, doi:10.1051/epjconf/201817803007.
Banu A, Silano J, Karwowski H, Meekins E, Bhike M, Tornow W, McCleskey M. Cross-section measurements of the 94Mo(γ,n) and 90Zr(γ,n) reactions using real photons at the HI γ S facility. EPJ Web of Conferences. 2018.
Journal cover image

Published In

EPJ Web of Conferences

DOI

EISSN

2100-014X

ISSN

2101-6275

Publication Date

May 16, 2018

Volume

178

Related Subject Headings

  • 5110 Synchrotrons and accelerators
  • 5107 Particle and high energy physics