Measurement of the total compton scattering cross section between 6.5 and 11 GeV
Publication
, Journal Article
Afzal, F; Akondi, CS; Albrecht, M; Amaryan, M; Arrigo, S; Arroyave, V; Asaturyan, A; Austregesilo, A; Baldwin, Z; Barbosa, F; Barlow, J; Li, H ...
Published in: Physics Letters Section B Nuclear Elementary Particle and High Energy Physics
November 1, 2025
The total cross section for Compton scattering off atomic electrons, γ+e→γ′+e′, was measured using photons with energies between 6.5 and 11.1 GeV incident on a 9Be target as part of the PrimEx- eta experiment in Hall D at Jefferson Lab. This is the first measurement of this fundamental QED process within this energy range. The total uncertainties of the cross section, combining the statistical and systematic components in quadrature, averaged to 3.4 % across all energy bins. This not only demonstrates the capability of this experimental setup to perform precision cross-section measurements at forward angles but also allows us to compare with state-of-the-art QED calculations.
Duke Scholars
Published In
Physics Letters Section B Nuclear Elementary Particle and High Energy Physics
DOI
ISSN
0370-2693
Publication Date
November 1, 2025
Volume
870
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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Afzal, F., Akondi, C. S., Albrecht, M., Amaryan, M., Arrigo, S., Arroyave, V., … Pentchev, L. (2025). Measurement of the total compton scattering cross section between 6.5 and 11 GeV. Physics Letters Section B Nuclear Elementary Particle and High Energy Physics, 870. https://doi.org/10.1016/j.physletb.2025.139914
Afzal, F., C. S. Akondi, M. Albrecht, M. Amaryan, S. Arrigo, V. Arroyave, A. Asaturyan, et al. “Measurement of the total compton scattering cross section between 6.5 and 11 GeV.” Physics Letters Section B Nuclear Elementary Particle and High Energy Physics 870 (November 1, 2025). https://doi.org/10.1016/j.physletb.2025.139914.
Afzal F, Akondi CS, Albrecht M, Amaryan M, Arrigo S, Arroyave V, et al. Measurement of the total compton scattering cross section between 6.5 and 11 GeV. Physics Letters Section B Nuclear Elementary Particle and High Energy Physics. 2025 Nov 1;870.
Afzal, F., et al. “Measurement of the total compton scattering cross section between 6.5 and 11 GeV.” Physics Letters Section B Nuclear Elementary Particle and High Energy Physics, vol. 870, Nov. 2025. Scopus, doi:10.1016/j.physletb.2025.139914.
Afzal F, Akondi CS, Albrecht M, Amaryan M, Arrigo S, Arroyave V, Asaturyan A, Austregesilo A, Baldwin Z, Barbosa F, Barlow J, Barriga E, Barsotti R, Barton D, Baturin V, Berdnikov VV, Black T, Boeglin W, Boer M, Briscoe WJ, Britton T, Brunner R, Cao S, Chudakov E, Chung G, Cole PL, Cortes O, Crede V, Dalton MM, Darulis D, Deur A, Dobbs S, Dolgolenko A, Dugger M, Dzhygadlo R, Ebersole D, Edo M, Erbora T, Eugenio P, Fabrizi A, Fanelli C, Fang S, Fritsch M, Furletov S, Gan L, Gao H, Gardner A, Gasparian A, Glazier DI, Gleason C, Goryachev VS, Grube B, Guo J, Guo L, Hernandez J, Hernandez K, Hoffman ND, Hornidge D, Huber GM, Hurck P, Imoehl W, Ireland DG, Ito MM, Jaegle I, Jarvis NS, Jeske T, Jing M, Jones RT, Kakoyan V, Kalicy G, Khachatryan V, Kourkoumelis C, Laduke A, Larin I, Lawrence D, Lersch DI, Li H, Liu B, Livingston K, Lorenti L, Lyubovitskij V, Mahmood A, Marukyan H, Matveev V, Mccaughan M, Mccracken M, Meyer CA, Miskimen R, Mitchell RE, Mizutani K, Moran P, Neelamana V, Ng L, Nissen E, Orešić S, Ostrovidov AI, Papandreou Z, Paudel C, Pedroni R, Pentchev L. Measurement of the total compton scattering cross section between 6.5 and 11 GeV. Physics Letters Section B Nuclear Elementary Particle and High Energy Physics. 2025 Nov 1;870.
Published In
Physics Letters Section B Nuclear Elementary Particle and High Energy Physics
DOI
ISSN
0370-2693
Publication Date
November 1, 2025
Volume
870
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