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First measurement of the asymmetry and the Gerasimov-Drell-Hearn integrand from the He 3- (γ-,p) H 2 reaction at an incident photon energy of 29 MeV

Publication ,  Journal Article
Laskaris, G; Ji, W; Yan, X; Zhou, J; Zimmerman, WR; Ahmed, MW; Averett, T; Deltuva, A; Fonseca, AC; Gao, H; Golak, J; Kafkarkou, A; Sauer, PU ...
Published in: Physical Review C
March 1, 2021

The first measurement of the He3 - (γ - ,p)H2 process was performed at the High Intensity γ-ray Source (HIγS) facility at Triangle Universities Nuclear Laboratory using a circularly polarized, monoenergetic γ-ray beam and a longitudinally polarized He3 target. The spin-dependent asymmetry and the contribution from the two-body photodisintegration to the He3 Gerasimov-Drell-Hearn integrand are extracted and compared with state-of-the-art three-nucleon system calculations at the incident photon energy of 29 MeV. The data are in general agreement with the various theoretical predictions based on the Siegert theorem or on explicit inclusion of meson-exchange currents.

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Published In

Physical Review C

DOI

EISSN

2469-9993

ISSN

2469-9985

Publication Date

March 1, 2021

Volume

103

Issue

3

Related Subject Headings

  • 5106 Nuclear and plasma physics
 

Citation

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Laskaris, G., Ji, W., Yan, X., Zhou, J., Zimmerman, W. R., Ahmed, M. W., … Zhao, Z. W. (2021). First measurement of the asymmetry and the Gerasimov-Drell-Hearn integrand from the He 3- (γ-,p) H 2 reaction at an incident photon energy of 29 MeV. Physical Review C, 103(3). https://doi.org/10.1103/PhysRevC.103.034311
Laskaris, G., W. Ji, X. Yan, J. Zhou, W. R. Zimmerman, M. W. Ahmed, T. Averett, et al. “First measurement of the asymmetry and the Gerasimov-Drell-Hearn integrand from the He 3- (γ-,p) H 2 reaction at an incident photon energy of 29 MeV.” Physical Review C 103, no. 3 (March 1, 2021). https://doi.org/10.1103/PhysRevC.103.034311.
Laskaris G, Ji W, Yan X, Zhou J, Zimmerman WR, Ahmed MW, et al. First measurement of the asymmetry and the Gerasimov-Drell-Hearn integrand from the He 3- (γ-,p) H 2 reaction at an incident photon energy of 29 MeV. Physical Review C. 2021 Mar 1;103(3).
Laskaris, G., et al. “First measurement of the asymmetry and the Gerasimov-Drell-Hearn integrand from the He 3- (γ-,p) H 2 reaction at an incident photon energy of 29 MeV.” Physical Review C, vol. 103, no. 3, Mar. 2021. Scopus, doi:10.1103/PhysRevC.103.034311.
Laskaris G, Ji W, Yan X, Zhou J, Zimmerman WR, Ahmed MW, Averett T, Deltuva A, Fonseca AC, Gao H, Golak J, Kafkarkou A, Karwowski HJ, Lalremruata B, Manfredi J, Mueller JM, Sauer PU, Skibiński R, Smith AP, Tsang MB, Weller HR, Witała H, Wu YK, Zhao ZW. First measurement of the asymmetry and the Gerasimov-Drell-Hearn integrand from the He 3- (γ-,p) H 2 reaction at an incident photon energy of 29 MeV. Physical Review C. 2021 Mar 1;103(3).

Published In

Physical Review C

DOI

EISSN

2469-9993

ISSN

2469-9985

Publication Date

March 1, 2021

Volume

103

Issue

3

Related Subject Headings

  • 5106 Nuclear and plasma physics