Compton scattering from He 4 at the TUNL HIγ S facility

X. Li; M. W. Ahmed; A. Banu; C. Bartram; B. Crowe; E. J. Downie; M. Emamian; G. Feldman; H. Gao; D. Godagama; H. W. Grießhammer; C. R. Howell; H. J. Karwowski; D. P. Kendellen; M. A. Kovash; K. K.H. Leung; D. Markoff; S. Mikhailov; R. E. Pywell; M. H. Sikora; J. A. Silano; R. S. Sosa; M. C. Spraker; G. Swift; P. Wallace; H. R. Weller; C. S. Whisnant; Y. K. Wu; Z. W. Zhao

doi:10.1103/PhysRevC.101.034618

Compton scattering from He 4 at the TUNL HIγ S facility

X. Li, M. W. Ahmed, A. Banu, C. Bartram, B. Crowe, E. J. Downie, M. Emamian, G. Feldman, H. Gao, D. Godagama, H. W. Grießhammer, C. R. Howell, H. J. Karwowski, D. P. Kendellen, M. A. Kovash, K. K.H. Leung, D. Markoff, S. Mikhailov, R. E. Pywell, M. H. SikoraJ. A. Silano, R. S. Sosa, M. C. Spraker, G. Swift, P. Wallace, H. R. Weller, C. S. Whisnant, Y. K. Wu, Z. W. Zhao

Physics And Astronomy

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2 Scopus citations

Abstract

Differential cross sections for elastic Compton scattering from He4 have been measured with high statistical precision at the High Intensity γ-ray Source at laboratory scattering angles of 55°, 90°, and 125° using a quasi-monoenergetic photon beam with a weighted mean energy value of 81.3 MeV. The results are compared to previous measurements and similar fore-aft asymmetry in the angular distribution of the differential cross sections is observed. This experimental work is expected to strongly motivate the development of effective-field-theory calculations of Compton scattering from He4 to fully interpret the data.

Original language	English
Article number	034618
Journal	Physical Review C
Volume	101
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevC.101.034618
State	Published - Mar 2020

Bibliographical note

Funding Information:
This work is funded in part by the US Department of Energy under Contracts No. DE-FG02-03ER41231, No. DE-FG02-97ER41033, No. DE-FG02-97ER41041, No. DE-FG02-97ER41046, No. DE-FG02-97ER41042, No. DE-SC0005367, No. DE-SC0015393, No. DE-SC0016581, and No. DE-SC0016656, National Science Foundation Grants No. NSF-PHY-0619183, No. NSF-PHY-1309130, and No. NSF-PHY-1714833, and funds from the Dean of the Columbian College of Arts and Sciences at The George Washington University, and its Vice-President for Research. We acknowledge the financial support of the Natural Sciences and Engineering Research Council of Canada and the support of Eugen-Merzbacher Fellowship. We acknowledge the support of the accelerator scientists, engineers, and operators for assisting with the experimental setup, tuning up the accelerator system for high-energy operation, and for the high-quality production of the -ray beam.

Publisher Copyright:
© 2020 American Physical Society.

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1103/PhysRevC.101.034618

Cite this

Li, X., Ahmed, M. W., Banu, A., Bartram, C., Crowe, B., Downie, E. J., Emamian, M., Feldman, G., Gao, H., Godagama, D., Grießhammer, H. W., Howell, C. R., Karwowski, H. J., Kendellen, D. P., Kovash, M. A., Leung, K. K. H., Markoff, D., Mikhailov, S., Pywell, R. E., ... Zhao, Z. W. (2020). Compton scattering from He 4 at the TUNL HIγ S facility. Physical Review C, 101(3), [034618]. https://doi.org/10.1103/PhysRevC.101.034618

@article{b9cd21f86b334b9aab5fe2cf4054f070,

title = "Compton scattering from He 4 at the TUNL HIγ S facility",

abstract = "Differential cross sections for elastic Compton scattering from He4 have been measured with high statistical precision at the High Intensity γ-ray Source at laboratory scattering angles of 55°, 90°, and 125° using a quasi-monoenergetic photon beam with a weighted mean energy value of 81.3 MeV. The results are compared to previous measurements and similar fore-aft asymmetry in the angular distribution of the differential cross sections is observed. This experimental work is expected to strongly motivate the development of effective-field-theory calculations of Compton scattering from He4 to fully interpret the data.",

author = "X. Li and Ahmed, {M. W.} and A. Banu and C. Bartram and B. Crowe and Downie, {E. J.} and M. Emamian and G. Feldman and H. Gao and D. Godagama and Grie{\ss}hammer, {H. W.} and Howell, {C. R.} and Karwowski, {H. J.} and Kendellen, {D. P.} and Kovash, {M. A.} and Leung, {K. K.H.} and D. Markoff and S. Mikhailov and Pywell, {R. E.} and Sikora, {M. H.} and Silano, {J. A.} and Sosa, {R. S.} and Spraker, {M. C.} and G. Swift and P. Wallace and Weller, {H. R.} and Whisnant, {C. S.} and Wu, {Y. K.} and Zhao, {Z. W.}",

note = "Funding Information: This work is funded in part by the US Department of Energy under Contracts No. DE-FG02-03ER41231, No. DE-FG02-97ER41033, No. DE-FG02-97ER41041, No. DE-FG02-97ER41046, No. DE-FG02-97ER41042, No. DE-SC0005367, No. DE-SC0015393, No. DE-SC0016581, and No. DE-SC0016656, National Science Foundation Grants No. NSF-PHY-0619183, No. NSF-PHY-1309130, and No. NSF-PHY-1714833, and funds from the Dean of the Columbian College of Arts and Sciences at The George Washington University, and its Vice-President for Research. We acknowledge the financial support of the Natural Sciences and Engineering Research Council of Canada and the support of Eugen-Merzbacher Fellowship. We acknowledge the support of the accelerator scientists, engineers, and operators for assisting with the experimental setup, tuning up the accelerator system for high-energy operation, and for the high-quality production of the -ray beam. Publisher Copyright: {\textcopyright} 2020 American Physical Society.",

year = "2020",

month = mar,

doi = "10.1103/PhysRevC.101.034618",

language = "English",

volume = "101",

number = "3",

}

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, D, Mikhailov, S, Pywell, RE, Sikora, MH, Silano, JA, Sosa, RS, Spraker, MC, Swift, G, Wallace, P, Weller, HR, Whisnant, CS, Wu, YK & Zhao, ZW 2020, 'Compton scattering from He 4 at the TUNL HIγ S facility', Physical Review C, vol. 101, no. 3, 034618. https://doi.org/10.1103/PhysRevC.101.034618

TY - JOUR

T1 - Compton scattering from He 4 at the TUNL HIγ S facility

AU - Li, X.

AU - Ahmed, M. W.

AU - Banu, A.

AU - Bartram, C.

AU - Crowe, B.

AU - Downie, E. J.

AU - Emamian, M.

AU - Feldman, G.

AU - Gao, H.

AU - Godagama, D.

AU - Grießhammer, H. W.

AU - Howell, C. R.

AU - Karwowski, H. J.

AU - Kendellen, D. P.

AU - Kovash, M. A.

AU - Leung, K. K.H.

AU - Markoff, D.

AU - Mikhailov, S.

AU - Pywell, R. E.

AU - Sikora, M. H.

AU - Silano, J. A.

AU - Sosa, R. S.

AU - Spraker, M. C.

AU - Swift, G.

AU - Wallace, P.

AU - Weller, H. R.

AU - Whisnant, C. S.

AU - Wu, Y. K.

AU - Zhao, Z. W.

N1 - Funding Information: This work is funded in part by the US Department of Energy under Contracts No. DE-FG02-03ER41231, No. DE-FG02-97ER41033, No. DE-FG02-97ER41041, No. DE-FG02-97ER41046, No. DE-FG02-97ER41042, No. DE-SC0005367, No. DE-SC0015393, No. DE-SC0016581, and No. DE-SC0016656, National Science Foundation Grants No. NSF-PHY-0619183, No. NSF-PHY-1309130, and No. NSF-PHY-1714833, and funds from the Dean of the Columbian College of Arts and Sciences at The George Washington University, and its Vice-President for Research. We acknowledge the financial support of the Natural Sciences and Engineering Research Council of Canada and the support of Eugen-Merzbacher Fellowship. We acknowledge the support of the accelerator scientists, engineers, and operators for assisting with the experimental setup, tuning up the accelerator system for high-energy operation, and for the high-quality production of the -ray beam. Publisher Copyright: © 2020 American Physical Society.

PY - 2020/3

Y1 - 2020/3

N2 - Differential cross sections for elastic Compton scattering from He4 have been measured with high statistical precision at the High Intensity γ-ray Source at laboratory scattering angles of 55°, 90°, and 125° using a quasi-monoenergetic photon beam with a weighted mean energy value of 81.3 MeV. The results are compared to previous measurements and similar fore-aft asymmetry in the angular distribution of the differential cross sections is observed. This experimental work is expected to strongly motivate the development of effective-field-theory calculations of Compton scattering from He4 to fully interpret the data.

AB - Differential cross sections for elastic Compton scattering from He4 have been measured with high statistical precision at the High Intensity γ-ray Source at laboratory scattering angles of 55°, 90°, and 125° using a quasi-monoenergetic photon beam with a weighted mean energy value of 81.3 MeV. The results are compared to previous measurements and similar fore-aft asymmetry in the angular distribution of the differential cross sections is observed. This experimental work is expected to strongly motivate the development of effective-field-theory calculations of Compton scattering from He4 to fully interpret the data.

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DO - 10.1103/PhysRevC.101.034618

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ER -

Compton scattering from He 4 at the TUNL HIγ S facility

Abstract

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