First results on nucleon resonance photocouplings from the γp → π+π−p reaction
We report the first experimental measurements of the nine 1-fold differential cross sections for the γp→π+π−p reaction, obtained with the CLAS detector at Jefferson Laboratory. The measurements cover the invariant mass range of the final state hadrons from 1.6 GeV <W< 2.0 GeV. For the first ti...
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Format: | Article |
Language: | English |
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Elsevier
2019-01-01
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Series: | Physics Letters B |
Online Access: | http://www.sciencedirect.com/science/article/pii/S0370269318307779 |
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author | E. Golovatch V.D. Burkert D.S. Carman R.W. Gothe K. Hicks B.S. Ishkhanov V.I. Mokeev E. Pasyuk S. Adhikari Z. Akbar M.J. Amaryan H. Avakian J. Ball L. Barion M. Bashkanov M. Battaglieri I. Bedlinskiy A.S. Biselli S. Boiarinov W.J. Briscoe F. Cao A. Celentano P. Chatagnon T. Chetry G. Ciullo L. Clark B.A. Clary P.L. Cole M. Contalbrigo V. Crede A. D'Angelo N. Dashyan R. De Vita E. De Sanctis M. Defurne A. Deur S. Diehl C. Djalali M. Dugger R. Dupre H. Egiyan M. Ehrhart A. El Alaoui L. El Fassi L. Elouadrhiri P. Eugenio G. Fedotov R. Fersch A. Filippi Y. Ghandilyan G.P. Gilfoyle K.L. Giovanetti F.X. Girod D.I. Glazier K.A. Griffioen M. Guidal L. Guo K. Hafidi H. Hakobyan N. Harrison M. Hattawy D. Heddle M. Holtrop Y. Ilieva D.G. Ireland E.L. Isupov D. Jenkins H.S. Jo S. Johnston K. Joo M.L. Kabir D. Keller G. Khachatryan M. Khachatryan M. Khandaker W. Kim A. Klein F.J. Klein V. Kubarovsky L. Lanza P. Lenisa K. Livingston I.J.D. MacGregor D. Marchand N. Markov B. McKinnon C.A. Meyer R.A. Montgomery A. Movsisyan C. Munoz Camacho P. Nadel-Turonski S. Niccolai G. Niculescu M. Osipenko A.I. Ostrovidov M. Paolone R. Paremuzyan K. Park O. Pogorelko J.W. Price Y. Prok D. Protopopescu M. Ripani D. Riser A. Rizzo G. Rosner F. Sabatié C. Salgado R.A. Schumacher Y.G. Sharabian Iu. Skorodumina G.D. Smith D.I. Sober D. Sokhan N. Sparveris I.I. Strakovsky S. Strauch M. Taiuti J.A. Tan N. Tyler M. Ungaro H. Voskanyan E. Voutier R. Wang X. Wei M.H. Wood N. Zachariou J. Zhang Z.W. Zhao |
author_facet | E. Golovatch V.D. Burkert D.S. Carman R.W. Gothe K. Hicks B.S. Ishkhanov V.I. Mokeev E. Pasyuk S. Adhikari Z. Akbar M.J. Amaryan H. Avakian J. Ball L. Barion M. Bashkanov M. Battaglieri I. Bedlinskiy A.S. Biselli S. Boiarinov W.J. Briscoe F. Cao A. Celentano P. Chatagnon T. Chetry G. Ciullo L. Clark B.A. Clary P.L. Cole M. Contalbrigo V. Crede A. D'Angelo N. Dashyan R. De Vita E. De Sanctis M. Defurne A. Deur S. Diehl C. Djalali M. Dugger R. Dupre H. Egiyan M. Ehrhart A. El Alaoui L. El Fassi L. Elouadrhiri P. Eugenio G. Fedotov R. Fersch A. Filippi Y. Ghandilyan G.P. Gilfoyle K.L. Giovanetti F.X. Girod D.I. Glazier K.A. Griffioen M. Guidal L. Guo K. Hafidi H. Hakobyan N. Harrison M. Hattawy D. Heddle M. Holtrop Y. Ilieva D.G. Ireland E.L. Isupov D. Jenkins H.S. Jo S. Johnston K. Joo M.L. Kabir D. Keller G. Khachatryan M. Khachatryan M. Khandaker W. Kim A. Klein F.J. Klein V. Kubarovsky L. Lanza P. Lenisa K. Livingston I.J.D. MacGregor D. Marchand N. Markov B. McKinnon C.A. Meyer R.A. Montgomery A. Movsisyan C. Munoz Camacho P. Nadel-Turonski S. Niccolai G. Niculescu M. Osipenko A.I. Ostrovidov M. Paolone R. Paremuzyan K. Park O. Pogorelko J.W. Price Y. Prok D. Protopopescu M. Ripani D. Riser A. Rizzo G. Rosner F. Sabatié C. Salgado R.A. Schumacher Y.G. Sharabian Iu. Skorodumina G.D. Smith D.I. Sober D. Sokhan N. Sparveris I.I. Strakovsky S. Strauch M. Taiuti J.A. Tan N. Tyler M. Ungaro H. Voskanyan E. Voutier R. Wang X. Wei M.H. Wood N. Zachariou J. Zhang Z.W. Zhao |
author_sort | E. Golovatch |
collection | DOAJ |
description | We report the first experimental measurements of the nine 1-fold differential cross sections for the γp→π+π−p reaction, obtained with the CLAS detector at Jefferson Laboratory. The measurements cover the invariant mass range of the final state hadrons from 1.6 GeV <W< 2.0 GeV. For the first time the photocouplings of all prominent nucleon resonances in this mass range have been extracted from this exclusive channel. Photoproduction of two charged pions is of particular importance for the evaluation of the photocouplings for the Δ(1620)1/2−, Δ(1700)3/2−, N(1720)3/2+, and Δ(1905)5/2+ resonances, which have dominant decays into the ππN final states rather than the more extensively studied single meson decay channels. Keywords: Two pion photoproduction, Resonance photocouplings, Baryon state |
first_indexed | 2024-04-12T01:05:52Z |
format | Article |
id | doaj.art-bcb19443fe874c8db45d1e6a8a5ca829 |
institution | Directory Open Access Journal |
issn | 0370-2693 |
language | English |
last_indexed | 2024-04-12T01:05:52Z |
publishDate | 2019-01-01 |
publisher | Elsevier |
record_format | Article |
series | Physics Letters B |
spelling | doaj.art-bcb19443fe874c8db45d1e6a8a5ca8292022-12-22T03:54:16ZengElsevierPhysics Letters B0370-26932019-01-01788371379First results on nucleon resonance photocouplings from the γp → π+π−p reactionE. Golovatch0V.D. Burkert1D.S. Carman2R.W. Gothe3K. Hicks4B.S. Ishkhanov5V.I. Mokeev6E. Pasyuk7S. Adhikari8Z. Akbar9M.J. Amaryan10H. Avakian11J. Ball12L. Barion13M. Bashkanov14M. Battaglieri15I. Bedlinskiy16A.S. Biselli17S. Boiarinov18W.J. Briscoe19F. Cao20A. Celentano21P. Chatagnon22T. Chetry23G. Ciullo24L. Clark25B.A. Clary26P.L. Cole27M. Contalbrigo28V. Crede29A. D'Angelo30N. Dashyan31R. De Vita32E. De Sanctis33M. Defurne34A. Deur35S. Diehl36C. Djalali37M. Dugger38R. Dupre39H. Egiyan40M. Ehrhart41A. El Alaoui42L. El Fassi43L. Elouadrhiri44P. Eugenio45G. Fedotov46R. Fersch47A. Filippi48Y. Ghandilyan49G.P. Gilfoyle50K.L. Giovanetti51F.X. Girod52D.I. Glazier53K.A. Griffioen54M. Guidal55L. Guo56K. Hafidi57H. Hakobyan58N. Harrison59M. Hattawy60D. Heddle61M. Holtrop62Y. Ilieva63D.G. Ireland64E.L. Isupov65D. Jenkins66H.S. Jo67S. Johnston68K. Joo69M.L. Kabir70D. Keller71G. Khachatryan72M. Khachatryan73M. Khandaker74W. Kim75A. Klein76F.J. Klein77V. Kubarovsky78L. Lanza79P. Lenisa80K. Livingston81I.J.D. MacGregor82D. Marchand83N. Markov84B. McKinnon85C.A. Meyer86R.A. Montgomery87A. Movsisyan88C. Munoz Camacho89P. Nadel-Turonski90S. Niccolai91G. Niculescu92M. Osipenko93A.I. Ostrovidov94M. Paolone95R. Paremuzyan96K. Park97O. Pogorelko98J.W. Price99Y. Prok100D. Protopopescu101M. Ripani102D. Riser103A. Rizzo104G. Rosner105F. Sabatié106C. Salgado107R.A. Schumacher108Y.G. Sharabian109Iu. Skorodumina110G.D. Smith111D.I. Sober112D. Sokhan113N. Sparveris114I.I. Strakovsky115S. Strauch116M. Taiuti117J.A. Tan118N. Tyler119M. Ungaro120H. Voskanyan121E. Voutier122R. Wang123X. Wei124M.H. Wood125N. Zachariou126J. Zhang127Z.W. Zhao128Skobeltsyn Institute of Nuclear Physics and Physics Department, Lomonosov Moscow State University, 119234 Moscow, Russia; Corresponding author.Thomas Jefferson National Accelerator Facility, Newport News, VA 23606, USAThomas Jefferson National Accelerator Facility, Newport News, VA 23606, USAUniversity of South Carolina, Columbia, SC 29208, USAOhio University, Athens, OH 45701, USASkobeltsyn Institute of Nuclear Physics and Physics Department, Lomonosov Moscow State University, 119234 Moscow, RussiaThomas Jefferson National Accelerator Facility, Newport News, VA 23606, USA; Principal corresponding author.Thomas Jefferson National Accelerator Facility, Newport News, VA 23606, USA; Arizona State University, Tempe, AZ 85287-1504, USAFlorida International University, Miami, FL 33199, USAFlorida State University, Tallahassee, FL 32306, USAOld Dominion University, Norfolk, VA 23529, USAThomas Jefferson National Accelerator Facility, Newport News, VA 23606, USAIrfu/SPhN, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, FranceINFN, Sezione di Ferrara, 44100 Ferrara, ItalyEdinburgh University, Edinburgh EH9 3JZ, United KingdomINFN, Sezione di Genova, 16146 Genova, ItalyInstitute of Theoretical and Experimental Physics, Moscow, 117259, RussiaFairfield University, Fairfield, CT 06824, USA; Carnegie Mellon University, Pittsburgh, PA 15213, USAThomas Jefferson National Accelerator Facility, Newport News, VA 23606, USAThe George Washington University, Washington, DC 20052, USAUniversity of Connecticut, Storrs, CT 06269, USAINFN, Sezione di Genova, 16146 Genova, ItalyInstitut de Physique Nucléaire, CNRS/IN2P3 and Université Paris Sud, Orsay, FranceOhio University, Athens, OH 45701, USAINFN, Sezione di Ferrara, 44100 Ferrara, Italy; Universita' di Ferrara, 44121 Ferrara, ItalyUniversity of Glasgow, Glasgow G12 8QQ, United KingdomUniversity of Connecticut, Storrs, CT 06269, USAIdaho State University, Pocatello, ID 83209, USAINFN, Sezione di Ferrara, 44100 Ferrara, ItalyFlorida State University, Tallahassee, FL 32306, USAINFN, Sezione di Roma Tor Vergata, 00133 Rome, Italy; Universita' di Roma Tor Vergata, 00133 Rome, ItalyYerevan Physics Institute, 375036 Yerevan, ArmeniaINFN, Sezione di Genova, 16146 Genova, ItalyINFN, Laboratori Nazionali di Frascati, 00044 Frascati, ItalyIrfu/SPhN, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, FranceThomas Jefferson National Accelerator Facility, Newport News, VA 23606, USAUniversity of Connecticut, Storrs, CT 06269, USAUniversity of South Carolina, Columbia, SC 29208, USAArizona State University, Tempe, AZ 85287-1504, USAInstitut de Physique Nucléaire, CNRS/IN2P3 and Université Paris Sud, Orsay, FranceThomas Jefferson National Accelerator Facility, Newport News, VA 23606, USAInstitut de Physique Nucléaire, CNRS/IN2P3 and Université Paris Sud, Orsay, FranceUniversidad Técnica Federico Santa María, Casilla 110-V, Valparaíso, ChileMississippi State University, Mississippi State, MS 39762-5167, USAThomas Jefferson National Accelerator Facility, Newport News, VA 23606, USAFlorida State University, Tallahassee, FL 32306, USAOhio University, Athens, OH 45701, USAChristopher Newport University, Newport News, VA 23606, USA; College of William and Mary, Williamsburg, VA 23187-8795, USAINFN, Sezione di Torino, 10125 Torino, ItalyYerevan Physics Institute, 375036 Yerevan, ArmeniaUniversity of Richmond, Richmond, VA 23173, USAJames Madison University, Harrisonburg, VA 22807, USAThomas Jefferson National Accelerator Facility, Newport News, VA 23606, USA; Irfu/SPhN, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, FranceUniversity of Glasgow, Glasgow G12 8QQ, United KingdomCollege of William and Mary, Williamsburg, VA 23187-8795, USAInstitut de Physique Nucléaire, CNRS/IN2P3 and Université Paris Sud, Orsay, FranceFlorida International University, Miami, FL 33199, USAArgonne National Laboratory, Argonne, IL 60439, USAUniversidad Técnica Federico Santa María, Casilla 110-V, Valparaíso, Chile; Yerevan Physics Institute, 375036 Yerevan, ArmeniaThomas Jefferson National Accelerator Facility, Newport News, VA 23606, USAArgonne National Laboratory, Argonne, IL 60439, USAChristopher Newport University, Newport News, VA 23606, USA; Thomas Jefferson National Accelerator Facility, Newport News, VA 23606, USAUniversity of New Hampshire, Durham, NH 03824-3568, USAUniversity of South Carolina, Columbia, SC 29208, USA; The George Washington University, Washington, DC 20052, USAUniversity of Glasgow, Glasgow G12 8QQ, United KingdomSkobeltsyn Institute of Nuclear Physics and Physics Department, Lomonosov Moscow State University, 119234 Moscow, RussiaVirginia Tech, Blacksburg, VA 24061-0435, USAKyungpook National University, Daegu 41566, Republic of Korea; Institut de Physique Nucléaire, CNRS/IN2P3 and Université Paris Sud, Orsay, FranceArgonne National Laboratory, Argonne, IL 60439, USAUniversity of Connecticut, Storrs, CT 06269, USAMississippi State University, Mississippi State, MS 39762-5167, USAUniversity of Virginia, Charlottesville, VA 22901, USAYerevan Physics Institute, 375036 Yerevan, ArmeniaOld Dominion University, Norfolk, VA 23529, USAIdaho State University, Pocatello, ID 83209, USAKyungpook National University, Daegu 41566, Republic of KoreaOld Dominion University, Norfolk, VA 23529, USACatholic University of America, Washington, DC 20064, USAThomas Jefferson National Accelerator Facility, Newport News, VA 23606, USA; Rensselaer Polytechnic Institute, Troy, NY 12180-3590, USAINFN, Sezione di Roma Tor Vergata, 00133 Rome, ItalyINFN, Sezione di Ferrara, 44100 Ferrara, ItalyUniversity of Glasgow, Glasgow G12 8QQ, United KingdomUniversity of Glasgow, Glasgow G12 8QQ, United KingdomInstitut de Physique Nucléaire, CNRS/IN2P3 and Université Paris Sud, Orsay, FranceUniversity of Connecticut, Storrs, CT 06269, USAUniversity of Glasgow, Glasgow G12 8QQ, United KingdomCarnegie Mellon University, Pittsburgh, PA 15213, USAUniversity of Glasgow, Glasgow G12 8QQ, United KingdomINFN, Sezione di Ferrara, 44100 Ferrara, ItalyInstitut de Physique Nucléaire, CNRS/IN2P3 and Université Paris Sud, Orsay, FranceThomas Jefferson National Accelerator Facility, Newport News, VA 23606, USAInstitut de Physique Nucléaire, CNRS/IN2P3 and Université Paris Sud, Orsay, FranceJames Madison University, Harrisonburg, VA 22807, USAINFN, Sezione di Genova, 16146 Genova, ItalyFlorida State University, Tallahassee, FL 32306, USATemple University, Philadelphia, PA 19122, USAUniversity of New Hampshire, Durham, NH 03824-3568, USAThomas Jefferson National Accelerator Facility, Newport News, VA 23606, USA; Kyungpook National University, Daegu 41566, Republic of KoreaInstitute of Theoretical and Experimental Physics, Moscow, 117259, RussiaCalifornia State University, Dominguez Hills, Carson, CA 90747, USAOld Dominion University, Norfolk, VA 23529, USA; University of Virginia, Charlottesville, VA 22901, USAUniversity of Glasgow, Glasgow G12 8QQ, United KingdomINFN, Sezione di Genova, 16146 Genova, ItalyUniversity of Connecticut, Storrs, CT 06269, USAINFN, Sezione di Roma Tor Vergata, 00133 Rome, Italy; Universita' di Roma Tor Vergata, 00133 Rome, ItalyUniversity of Glasgow, Glasgow G12 8QQ, United KingdomIrfu/SPhN, CEA, Université Paris-Saclay, 91191 Gif-sur-Yvette, FranceNorfolk State University, Norfolk, VA 23504, USACarnegie Mellon University, Pittsburgh, PA 15213, USAThomas Jefferson National Accelerator Facility, Newport News, VA 23606, USAUniversity of South Carolina, Columbia, SC 29208, USAEdinburgh University, Edinburgh EH9 3JZ, United KingdomCatholic University of America, Washington, DC 20064, USAUniversity of Glasgow, Glasgow G12 8QQ, United KingdomTemple University, Philadelphia, PA 19122, USAThe George Washington University, Washington, DC 20052, USAUniversity of South Carolina, Columbia, SC 29208, USA; The George Washington University, Washington, DC 20052, USAUniversità di Genova, 16146 Genova, ItalyKyungpook National University, Daegu 41566, Republic of KoreaUniversity of South Carolina, Columbia, SC 29208, USAThomas Jefferson National Accelerator Facility, Newport News, VA 23606, USA; University of Connecticut, Storrs, CT 06269, USA; Rensselaer Polytechnic Institute, Troy, NY 12180-3590, USAYerevan Physics Institute, 375036 Yerevan, ArmeniaInstitut de Physique Nucléaire, CNRS/IN2P3 and Université Paris Sud, Orsay, FranceInstitut de Physique Nucléaire, CNRS/IN2P3 and Université Paris Sud, Orsay, FranceThomas Jefferson National Accelerator Facility, Newport News, VA 23606, USACanisius College, Buffalo, NY 14208, USA; University of South Carolina, Columbia, SC 29208, USAEdinburgh University, Edinburgh EH9 3JZ, United KingdomUniversity of Virginia, Charlottesville, VA 22901, USADuke University, Durham, NC 27708-0305, USAWe report the first experimental measurements of the nine 1-fold differential cross sections for the γp→π+π−p reaction, obtained with the CLAS detector at Jefferson Laboratory. The measurements cover the invariant mass range of the final state hadrons from 1.6 GeV <W< 2.0 GeV. For the first time the photocouplings of all prominent nucleon resonances in this mass range have been extracted from this exclusive channel. Photoproduction of two charged pions is of particular importance for the evaluation of the photocouplings for the Δ(1620)1/2−, Δ(1700)3/2−, N(1720)3/2+, and Δ(1905)5/2+ resonances, which have dominant decays into the ππN final states rather than the more extensively studied single meson decay channels. Keywords: Two pion photoproduction, Resonance photocouplings, Baryon statehttp://www.sciencedirect.com/science/article/pii/S0370269318307779 |
spellingShingle | E. Golovatch V.D. Burkert D.S. Carman R.W. Gothe K. Hicks B.S. Ishkhanov V.I. Mokeev E. Pasyuk S. Adhikari Z. Akbar M.J. Amaryan H. Avakian J. Ball L. Barion M. Bashkanov M. Battaglieri I. Bedlinskiy A.S. Biselli S. Boiarinov W.J. Briscoe F. Cao A. Celentano P. Chatagnon T. Chetry G. Ciullo L. Clark B.A. Clary P.L. Cole M. Contalbrigo V. Crede A. D'Angelo N. Dashyan R. De Vita E. De Sanctis M. Defurne A. Deur S. Diehl C. Djalali M. Dugger R. Dupre H. Egiyan M. Ehrhart A. El Alaoui L. El Fassi L. Elouadrhiri P. Eugenio G. Fedotov R. Fersch A. Filippi Y. Ghandilyan G.P. Gilfoyle K.L. Giovanetti F.X. Girod D.I. Glazier K.A. Griffioen M. Guidal L. Guo K. Hafidi H. Hakobyan N. Harrison M. Hattawy D. Heddle M. Holtrop Y. Ilieva D.G. Ireland E.L. Isupov D. Jenkins H.S. Jo S. Johnston K. Joo M.L. Kabir D. Keller G. Khachatryan M. Khachatryan M. Khandaker W. Kim A. Klein F.J. Klein V. Kubarovsky L. Lanza P. Lenisa K. Livingston I.J.D. MacGregor D. Marchand N. Markov B. McKinnon C.A. Meyer R.A. Montgomery A. Movsisyan C. Munoz Camacho P. Nadel-Turonski S. Niccolai G. Niculescu M. Osipenko A.I. Ostrovidov M. Paolone R. Paremuzyan K. Park O. Pogorelko J.W. Price Y. Prok D. Protopopescu M. Ripani D. Riser A. Rizzo G. Rosner F. Sabatié C. Salgado R.A. Schumacher Y.G. Sharabian Iu. Skorodumina G.D. Smith D.I. Sober D. Sokhan N. Sparveris I.I. Strakovsky S. Strauch M. Taiuti J.A. Tan N. Tyler M. Ungaro H. Voskanyan E. Voutier R. Wang X. Wei M.H. Wood N. Zachariou J. Zhang Z.W. Zhao First results on nucleon resonance photocouplings from the γp → π+π−p reaction Physics Letters B |
title | First results on nucleon resonance photocouplings from the γp → π+π−p reaction |
title_full | First results on nucleon resonance photocouplings from the γp → π+π−p reaction |
title_fullStr | First results on nucleon resonance photocouplings from the γp → π+π−p reaction |
title_full_unstemmed | First results on nucleon resonance photocouplings from the γp → π+π−p reaction |
title_short | First results on nucleon resonance photocouplings from the γp → π+π−p reaction |
title_sort | first results on nucleon resonance photocouplings from the γp π π p reaction |
url | http://www.sciencedirect.com/science/article/pii/S0370269318307779 |
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aklein firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT fjklein firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT vkubarovsky firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT llanza firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT plenisa firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT klivingston firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT ijdmacgregor firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT dmarchand firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT nmarkov firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT bmckinnon firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT cameyer firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT ramontgomery firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT amovsisyan firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT cmunozcamacho firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT pnadelturonski firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT sniccolai firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT gniculescu firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT mosipenko firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT aiostrovidov firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT mpaolone firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT rparemuzyan firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT kpark firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT opogorelko firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT jwprice firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT yprok firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT dprotopopescu firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT mripani firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT driser firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT arizzo firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT grosner firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT fsabatie firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT csalgado firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT raschumacher firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT ygsharabian firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT iuskorodumina firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT gdsmith firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT disober firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT dsokhan firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT nsparveris firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT iistrakovsky firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT sstrauch firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT mtaiuti firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT jatan firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT ntyler firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT mungaro firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT hvoskanyan firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT evoutier firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT rwang firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT xwei firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT mhwood firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT nzachariou firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT jzhang firstresultsonnucleonresonancephotocouplingsfromthegppppreaction AT zwzhao firstresultsonnucleonresonancephotocouplingsfromthegppppreaction |