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Title: Two-photon exchange in elastic electron–proton scattering

Here, we review recent theoretical and experimental progress on the role of two-photon exchange (TPE) in electron-proton scattering at low to moderate momentum transfers. We make a detailed comparison and analysis of the results of competing experiments on the ratio of e +p to e -p elastic scattering cross sections, and of the theoretical calculations describing them. A summary of the current experimental situation is provided, along with an outlook for future experiments.
Authors:
 [1] ;  [2] ;  [3] ;  [4]
  1. George Washington Univ., Washington, DC (United States)
  2. Univ. of Manitoba, Winnipeg, MB (Canada); Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
  3. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
  4. Florida Intl Univ., Miami, FL (United States)
Publication Date:
Report Number(s):
JLAB-THY-17-2404; DOE/OR/23177-4062; arXiv:1703.03874
Journal ID: ISSN 0146-6410; PII: S0146641017300352
Grant/Contract Number:
AC05-06OR23177; SC0013620; FG02-94ER40818
Type:
Accepted Manuscript
Journal Name:
Progress in Particle and Nuclear Physics
Additional Journal Information:
Journal Volume: 95; Journal Issue: C; Journal ID: ISSN 0146-6410
Publisher:
Elsevier
Research Org:
Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
Sponsoring Org:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; two-photon exchange; radiative corrections; form factors
OSTI Identifier:
1361689
Alternate Identifier(s):
OSTI ID: 1397436

Afanasev, A., Blunden, P. G., Hasell, D., and Raue, B. A.. Two-photon exchange in elastic electron–proton scattering. United States: N. p., Web. doi:10.1016/j.ppnp.2017.03.004.
Afanasev, A., Blunden, P. G., Hasell, D., & Raue, B. A.. Two-photon exchange in elastic electron–proton scattering. United States. doi:10.1016/j.ppnp.2017.03.004.
Afanasev, A., Blunden, P. G., Hasell, D., and Raue, B. A.. 2017. "Two-photon exchange in elastic electron–proton scattering". United States. doi:10.1016/j.ppnp.2017.03.004. https://www.osti.gov/servlets/purl/1361689.
@article{osti_1361689,
title = {Two-photon exchange in elastic electron–proton scattering},
author = {Afanasev, A. and Blunden, P. G. and Hasell, D. and Raue, B. A.},
abstractNote = {Here, we review recent theoretical and experimental progress on the role of two-photon exchange (TPE) in electron-proton scattering at low to moderate momentum transfers. We make a detailed comparison and analysis of the results of competing experiments on the ratio of e+p to e-p elastic scattering cross sections, and of the theoretical calculations describing them. A summary of the current experimental situation is provided, along with an outlook for future experiments.},
doi = {10.1016/j.ppnp.2017.03.004},
journal = {Progress in Particle and Nuclear Physics},
number = C,
volume = 95,
place = {United States},
year = {2017},
month = {4}
}