Two-photon exchange contribution in elastic electron-proton scattering, experiment at the VEPP-3 storage ring

D. M. Nikolenko, J. Arrington, L. M. Barkov, V. F. Dmitriev, V. V. Gauzshtein, R. A. Golovin, A. V. Gramolin, R. J. Holt, V. V. Kaminsky, B. A. Lazarenko, S. I. Mishnev, N. Yu Muchnoi, V. V. Neufeld, I. A. Rachek, R. Sh Sadykov, Yu V. Shestakov, V. N. Stibunov, D. K. Toporkov, H. De Vries, S. A. ZevakovV. N. Zhilich

Research School of High-Energy Physics

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

5 Citations (Scopus)

Abstract

We describe a precise measurement of the ratio of the (e ⁺ p) to (e ^- p) elastic scattering cross sections. This comparison is sensitive to the effect of two-photon exchange contributions which may be the cause for inconsistent extractions of the proton form factors obtained using different methods. The experiment was performed at storage ring VEPP-3, Novosibirsk at energies of positron/electron beams of 1.0 and 1.6 GeV with electron/positron scattering angles θ = 65÷105° for the first case and 15÷25° and 55÷75° for the second case. Details of the experiment and the preliminary results are presented.

Original language	English
Title of host publication	EPJ Web of Conferences
Volume	66
DOIs	https://doi.org/10.1051/epjconf/20146606002
Publication status	Published - 2014
Event	2013 International Nuclear Physics Conference, INPC 2013 - Firenze, Italy Duration: 2 Jun 2013 → 7 Jun 2013

Other

Other	2013 International Nuclear Physics Conference, INPC 2013
Country	Italy
City	Firenze
Period	2.6.13 → 7.6.13

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ASJC Scopus subject areas

Physics and Astronomy(all)

Cite this

Nikolenko, D. M., Arrington, J., Barkov, L. M., Dmitriev, V. F., Gauzshtein, V. V., Golovin, R. A., ... Zhilich, V. N. (2014). Two-photon exchange contribution in elastic electron-proton scattering, experiment at the VEPP-3 storage ring. In EPJ Web of Conferences (Vol. 66). [06002] https://doi.org/10.1051/epjconf/20146606002

Two-photon exchange contribution in elastic electron-proton scattering, experiment at the VEPP-3 storage ring. / Nikolenko, D. M.; Arrington, J.; Barkov, L. M.; Dmitriev, V. F.; Gauzshtein, V. V.; Golovin, R. A.; Gramolin, A. V.; Holt, R. J.; Kaminsky, V. V.; Lazarenko, B. A.; Mishnev, S. I.; Muchnoi, N. Yu; Neufeld, V. V.; Rachek, I. A.; Sadykov, R. Sh; Shestakov, Yu V.; Stibunov, V. N.; Toporkov, D. K.; De Vries, H.; Zevakov, S. A.; Zhilich, V. N.

EPJ Web of Conferences. Vol. 66 2014. 06002.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Nikolenko, DM, Arrington, J, Barkov, LM, Dmitriev, VF, Gauzshtein, VV, Golovin, RA, Gramolin, AV, Holt, RJ, Kaminsky, VV, Lazarenko, BA, Mishnev, SI, Muchnoi, NY, Neufeld, VV, Rachek, IA, Sadykov, RS, Shestakov, YV, Stibunov, VN, Toporkov, DK, De Vries, H, Zevakov, SA & Zhilich, VN 2014, Two-photon exchange contribution in elastic electron-proton scattering, experiment at the VEPP-3 storage ring. in EPJ Web of Conferences. vol. 66, 06002, 2013 International Nuclear Physics Conference, INPC 2013, Firenze, Italy, 2.6.13. https://doi.org/10.1051/epjconf/20146606002

Nikolenko, D. M. ; Arrington, J. ; Barkov, L. M. ; Dmitriev, V. F. ; Gauzshtein, V. V. ; Golovin, R. A. ; Gramolin, A. V. ; Holt, R. J. ; Kaminsky, V. V. ; Lazarenko, B. A. ; Mishnev, S. I. ; Muchnoi, N. Yu ; Neufeld, V. V. ; Rachek, I. A. ; Sadykov, R. Sh ; Shestakov, Yu V. ; Stibunov, V. N. ; Toporkov, D. K. ; De Vries, H. ; Zevakov, S. A. ; Zhilich, V. N. / Two-photon exchange contribution in elastic electron-proton scattering, experiment at the VEPP-3 storage ring. EPJ Web of Conferences. Vol. 66 2014.

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abstract = "We describe a precise measurement of the ratio of the (e + p) to (e - p) elastic scattering cross sections. This comparison is sensitive to the effect of two-photon exchange contributions which may be the cause for inconsistent extractions of the proton form factors obtained using different methods. The experiment was performed at storage ring VEPP-3, Novosibirsk at energies of positron/electron beams of 1.0 and 1.6 GeV with electron/positron scattering angles θ = 65÷105° for the first case and 15÷25° and 55÷75° for the second case. Details of the experiment and the preliminary results are presented.",

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AU - Nikolenko, D. M.

AU - Arrington, J.

AU - Barkov, L. M.

AU - Dmitriev, V. F.

AU - Gauzshtein, V. V.

AU - Golovin, R. A.

AU - Gramolin, A. V.

AU - Holt, R. J.

AU - Kaminsky, V. V.

AU - Lazarenko, B. A.

AU - Mishnev, S. I.

AU - Muchnoi, N. Yu

AU - Neufeld, V. V.

AU - Rachek, I. A.

AU - Sadykov, R. Sh

AU - Shestakov, Yu V.

AU - Stibunov, V. N.

AU - Toporkov, D. K.

AU - De Vries, H.

AU - Zevakov, S. A.

AU - Zhilich, V. N.

PY - 2014

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N2 - We describe a precise measurement of the ratio of the (e + p) to (e - p) elastic scattering cross sections. This comparison is sensitive to the effect of two-photon exchange contributions which may be the cause for inconsistent extractions of the proton form factors obtained using different methods. The experiment was performed at storage ring VEPP-3, Novosibirsk at energies of positron/electron beams of 1.0 and 1.6 GeV with electron/positron scattering angles θ = 65÷105° for the first case and 15÷25° and 55÷75° for the second case. Details of the experiment and the preliminary results are presented.

AB - We describe a precise measurement of the ratio of the (e + p) to (e - p) elastic scattering cross sections. This comparison is sensitive to the effect of two-photon exchange contributions which may be the cause for inconsistent extractions of the proton form factors obtained using different methods. The experiment was performed at storage ring VEPP-3, Novosibirsk at energies of positron/electron beams of 1.0 and 1.6 GeV with electron/positron scattering angles θ = 65÷105° for the first case and 15÷25° and 55÷75° for the second case. Details of the experiment and the preliminary results are presented.

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BT - EPJ Web of Conferences

T2 - 2013 International Nuclear Physics Conference, INPC 2013

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Access to Document

10.1051/epjconf/20146606002