Measurements of the γvp→p'π+π- cross section with the CLAS detector for 0.4GeV2<Q2<1.0GeV2 and 1.3GeV<W<1.825GeV

Fedotov, G. V.; Skorodumina, Iu. A.; Burkert, V. D.; Gothe, R. W.; Hicks, K.; Mokeev, V. I.; Adhikari, S.; Armstrong, Whitney R.; Avakian, H.; Ball, J.; Balossino, I.; Barion, L.; Bashkanov, M.; Battaglieri, M.; Batourine, V.; Bedlinskiy, I.; Biselli, A. S.; Boiarinov, S.; Briscoe, W. J.; Brooks, W. K.; Carman, D. S.; Celentano, A.; Charles, G.; Chetry, T.; Ciullo, G.; Clary, Brandon A.; Cole, P. L.; Contalbrigo, M.; Cortes, O.; D'Angelo, A.; Dashyan, N.; De Vita, R.; De Sanctis, E.; Defurne, M.; Deur, A.; Djalali, C.; Dupre, R.; Egiyan, H.; Fassi, L. El; Eugenio, P.; Fersch, R.; Gavalian, G.; Ghandilyan, Y.; Gilfoyle, G. P.; Girod, F. X.; Golovatch, E.; Griffioen, K. A.; Guo, L.; Hafidi, K.; Hakobyan, H.; Hanretty, C.; Harrison, N.; Hattawy, M.; Heddle, D.; Holtrop, M.; Ilieva, Y.; Ireland, D. G.; Ishkhanov, B. S.; Isupov, E. L.; Jenkins, D.; Jo, H. S.; Johnston, S.; Joosten, S.; Kabir, M. L.; Keller, D.; Khachatryan, G.; Khachatryan, M.; Khandaker, M.; Kim, A.; Kim, W.; Klein, A.; Klein, F. J.; Kubarovsky, V.; Kuleshov, S. V.; Lanza, L.; Lenisa, P.; Livingston, K.; MacGregor, I. J.  D.; Markov, N.; McKinnon, B.; Mineeva, T.; Montgomery, R. A.; Camacho, C. Munoz; Nadel-Turonski, P.; Niccolai, S.; Niculescu, G.; Osipenko, M.; Paolone, M.; Paremuzyan, R.; Park, K.; Pasyuk, E.; Pogorelko, O.; Price, J. W.; Procureur, S.; Prok, Y.; Protopopescu, D.; Ripani, M.; Riser, D.; Ritchie, B. G.; Rizzo, A.; Sabatié, F.; Salgado, C.; Schumacher, R. A.; Sharabian, Y. G.; Smith, G. D.; Sober, D. I.; Sokhan, D.; Sparveris, N.; Strakovsky, I. I.; Strauch, S.; Taiuti, M.; Tan, J. A.; Tyler, N.; Ungaro, M.; Voskanyan, H.; Voutier, E.; Wei, X.; Wood, M. H.; Zachariou, N.; Zhang, J.; Zhao, Z. W.

doi:10.1103/PhysRevC.98.025203

Title: Measurements of the $γ_{v} p \to p^{'} π^{+} π^{-}$ cross section with the CLAS detector for $0.4 {GeV}^{2} < Q^{2} < 1.0 {GeV}^{2}$ and $1.3 GeV < W < 1.825 GeV$

Journal Article · Tue Aug 21 00:00:00 EDT 2018 · Physical Review C

DOI:https://doi.org/10.1103/PhysRevC.98.025203· OSTI ID:1465930

Fedotov, G. V.; Skorodumina, Iu. A.; Burkert, V. D.; Gothe, R. W.; Hicks, K.; Mokeev, V. I.; Adhikari, S.; Armstrong, Whitney R.; Avakian, H.; Ball, J.; Balossino, I.; Barion, L.; Bashkanov, M.; Battaglieri, M.; Batourine, V.; Bedlinskiy, I.; Biselli, A. S.; Boiarinov, S.; Briscoe, W. J.; Brooks, W. K. more »

New results on the single-differential and fully integrated cross sections for the process gamma(upsilon)p -> p'pi(+)pi(-) are presented. The experimental data were collected with the CLAS detector at Jefferson Laboratory. Measurements were carried out in the kinematic region of the reaction invariant mass W from 1.3 to 1.825 GeV and the photon virtuality Q(2) from 0.4 to 1.0 GeV2. The cross sections were obtained in narrow Q(2) bins (0.05 GeV2) with the smallest statistical uncertainties achieved in double-pion electroproduction experiments to date. The results were found to be in agreement with previously available data where they overlap. A preliminary interpretation of the extracted cross sections, which was based on a phenomenological meson-baryon reaction model, revealed substantial relative contributions from nucleon resonances. The data offer promising prospects to improve knowledge on the Q(2) evolution of the electrocouplings of most resonances with masses up to similar to 1.8 GeV.

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Research Organization:: Ohio Univ., Athens, OH (United States); Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States); Mississippi State Univ., Mississippi State, MS (United States); Argonne National Laboratory (ANL), Argonne, IL (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Nuclear Physics (NP); National Science Foundation (NSF); Chilean Comision Nacional de Investigacion Cientifica y Tecnologica (CONICYT); National Research Foundation of Korea (NRF); USDOE Office of Science (SC), Basic Energy Sciences (BES)

Contributing Organization:: CLAS Collaboration

Grant/Contract Number:: AC05-06OR23177; SC0016583; FG02-07ER41528; AC02-06CH11357

OSTI ID:: 1465930

Alternate ID(s):: OSTI ID: 1465611; OSTI ID: 1466674; OSTI ID: 1468653; OSTI ID: 1490202

Report Number(s):: JLAB-PHY-18-2745; DOE/OR/-23177-4479; arXiv:1804.05136; PRVCAN

Journal Information:: Physical Review C, Vol. 98, Issue 2; ISSN 2469-9985

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 18 works

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Title: Measurements of the γ v p → p ' π + π - cross section with the CLAS detector for 0.4 GeV 2 < Q 2 < 1.0 GeV 2 and 1.3 GeV < W < 1.825 GeV

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Title: Measurements of the $γ_{v} p \to p^{'} π^{+} π^{-}$ cross section with the CLAS detector for $0.4 {GeV}^{2} < Q^{2} < 1.0 {GeV}^{2}$ and $1.3 GeV < W < 1.825 GeV$