Proton Compton Scattering from Linearly Polarized Gamma Rays.
Publication
, Journal Article
Li, X; Ahmed, MW; Banu, A; Bartram, C; Crowe, B; Downie, EJ; Emamian, M; Feldman, G; Gao, H; Godagama, D; Grießhammer, HW; Howell, CR; Wu, YK ...
Published in: Physical review letters
April 2022
Differential cross sections for Compton scattering from the proton have been measured at scattering angles of 55°, 90°, and 125° in the laboratory frame using quasimonoenergetic linearly (circularly) polarized photon beams with a weighted mean energy value of 83.4 MeV (81.3 MeV). These measurements were performed at the High Intensity Gamma-Ray Source facility at the Triangle Universities Nuclear Laboratory. The results are compared to previous measurements and are interpreted in the chiral effective field theory framework to extract the electromagnetic dipole polarizabilities of the proton, which gives α_{E1}^{p}=13.8±1.2_{stat}±0.1_{BSR}±0.3_{theo},β_{M1}^{p}=0.2∓1.2_{stat}±0.1_{BSR}∓0.3_{theo} in units of 10^{-4} fm^{3}.
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Published In
Physical review letters
DOI
EISSN
1079-7114
ISSN
0031-9007
Publication Date
April 2022
Volume
128
Issue
13
Start / End Page
132502
Related Subject Headings
- General Physics
- 51 Physical sciences
- 49 Mathematical sciences
- 40 Engineering
- 09 Engineering
- 02 Physical Sciences
- 01 Mathematical Sciences
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Li, X., Ahmed, M. W., Banu, A., Bartram, C., Crowe, B., Downie, E. J., … Zhao, Z. W. (2022). Proton Compton Scattering from Linearly Polarized Gamma Rays. Physical Review Letters, 128(13), 132502. https://doi.org/10.1103/physrevlett.128.132502
Li, X., M. W. Ahmed, A. Banu, C. Bartram, B. Crowe, E. J. Downie, M. Emamian, et al. “Proton Compton Scattering from Linearly Polarized Gamma Rays.” Physical Review Letters 128, no. 13 (April 2022): 132502. https://doi.org/10.1103/physrevlett.128.132502.
Li X, Ahmed MW, Banu A, Bartram C, Crowe B, Downie EJ, et al. Proton Compton Scattering from Linearly Polarized Gamma Rays. Physical review letters. 2022 Apr;128(13):132502.
Li, X., et al. “Proton Compton Scattering from Linearly Polarized Gamma Rays.” Physical Review Letters, vol. 128, no. 13, Apr. 2022, p. 132502. Epmc, doi:10.1103/physrevlett.128.132502.
Li X, Ahmed MW, Banu A, Bartram C, Crowe B, Downie EJ, Emamian M, Feldman G, Gao H, Godagama D, Grießhammer HW, Howell CR, Karwowski HJ, Kendellen DP, Kovash MA, Leung KKH, Markoff DM, McGovern JA, Mikhailov S, Pywell RE, Sikora MH, Silano JA, Sosa RS, Spraker MC, Swift G, Wallace P, Weller HR, Whisnant CS, Wu YK, Zhao ZW. Proton Compton Scattering from Linearly Polarized Gamma Rays. Physical review letters. 2022 Apr;128(13):132502.
Published In
Physical review letters
DOI
EISSN
1079-7114
ISSN
0031-9007
Publication Date
April 2022
Volume
128
Issue
13
Start / End Page
132502
Related Subject Headings
- General Physics
- 51 Physical sciences
- 49 Mathematical sciences
- 40 Engineering
- 09 Engineering
- 02 Physical Sciences
- 01 Mathematical Sciences