Observation of Azimuth-Dependent Suppression of Hadron Pairs in Electron Scattering off Nuclei

S J Paul¹, S Morán¹, M Arratia^{2

1}, A El Alaoui³, H Hakobyan³, W Brooks³, M J Amaryan⁴, W R Armstrong⁵, H Atac⁶, L Baashen⁷, N A Baltzell², L Barion⁸, M Bashkanov⁹, M Battaglieri¹⁰, I Bedlinskiy¹¹, B Benkel³, F Benmokhtar¹², A Bianconi^{13

14}, L Biondo^{10

15

16}, A S Biselli^{17

18}, M Bondi¹⁹, F Bossù²⁰, S Boiarinov², K-Th Brinkmann²¹, W J Briscoe²², D Bulumulla⁴, V D Burkert², R Capobianco²³, D S Carman², A Celentano¹⁰, V Chesnokov²⁴, T Chetry⁷, G Ciullo^{25

8}, P L Cole^{26

27

2}, M Contalbrigo⁸, G Costantini^{13

14}, A D'Angelo^{19

28}, N Dashyan²⁹, R De Vita¹⁰, M Defurne²⁰, A Deur², S Diehl^{23

21}, C Dilks³⁰, C Djalali^{31

32}, R Dupre³³, H Egiyan², L El Fassi³⁴, P Eugenio³⁵, S Fegan⁹, A Filippi³⁶, G Gavalian^{37

2}, Y Ghandilyan²⁹, G P Gilfoyle³⁸, A A Golubenko²⁴, G Gosta¹⁴, R W Gothe³², K A Griffioen³⁹, M Guidal³³, M Hattawy⁴, T B Hayward²³, D Heddle^{40

2}, A Hobart³³, M Holtrop³⁷, Y Ilieva^{22

32}, D G Ireland⁴¹, E L Isupov²⁴, H S Jo⁴², R Johnston⁴³, K Joo²³, S Joosten⁵, D Keller⁴⁴, A Khanal⁷, M Khandaker⁴⁵, W Kim⁴², A Kripko²¹, V Kubarovsky², V Lagerquist⁴, L Lanza¹⁹, M Leali^{13

14}, S Lee⁴³, P Lenisa^{25

8}, X Li⁴³, K Livingston⁴¹, I J D MacGregor⁴¹, D Marchand³³, V Mascagna^{13

14}, B McKinnon⁴¹, Z E Meziani⁵, S Migliorati^{13

14}, R G Milner⁴³, T Mineeva³, M Mirazita⁴⁶, V I Mokeev², P Moran⁴³, C Munoz Camacho³³, K Neupane³², D Nguyen², S Niccolai³³, G Niculescu⁴⁷, M Osipenko¹⁰, A I Ostrovidov³⁵, P Pandey⁴, M Paolone⁴⁸, L L Pappalardo^{25

8}, R Paremuzyan^{37

2}, E Pasyuk², W Phelps⁴⁰, N Pilleux³³, D Pocanic⁴⁴, O Pogorelko¹¹, M Pokhrel⁴, J Poudel⁴, J W Price⁴⁹, Y Prok^{4

44}, B A Raue⁷, T Reed⁷, M Ripani¹⁰, G Rosner⁴¹, F Sabatié²⁰, C Salgado⁴⁵, A Schmidt²², R A Schumacher¹⁷, Y G Sharabian², E V Shirokov²⁴, U Shrestha²³, P Simmerling²³, D Sokhan^{20

41}, N Sparveris⁶, S Stepanyan², I I Strakovsky²², S Strauch^{22

32}, J A Tan⁴², R Tyson⁴¹, M Ungaro^{50

2}, S Vallarino⁸, L Venturelli^{13

14}, H Voskanyan²⁹, E Voutier³³, X Wei², R Wishart⁴¹, M H Wood^{51

32}, N Zachariou⁹, Z W Zhao³⁰, V Ziegler², M Zurek⁵; CLAS Collaboration

Affiliations

¹ University of California Riverside, 900 University Avenue, Riverside, California 92521, USA.
² Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA.
³ Universidad Técnica Federico Santa María, Casilla 110-V Valparaíso, Chile.
⁴ Old Dominion University, Norfolk, Virginia 23529, USA.
⁵ Argonne National Laboratory, Argonne, Illinois 60439, USA.
⁶ Temple University, Philadelphia, Pennsylvania 19122, USA.
⁷ Florida International University, Miami, Florida 33199, USA.
⁸ INFN, Sezione di Ferrara, 44100 Ferrara, Italy.
⁹ University of York, York YO10 5DD, United Kingdom.
¹⁰ INFN, Sezione di Genova, 16146 Genova, Italy.
¹¹ National Research Centre Kurchatov Institute-ITEP, Moscow, 117259, Russia.
¹² Duquesne University, 600 Forbes Avenue, Pittsburgh, Pennsylvania 15282, USA.
¹³ INFN, Sezione di Pavia, 27100 Pavia, Italy.
¹⁴ Università degli Studi di Brescia, 25123 Brescia, Italy.
¹⁵ INFN, Sezione di Catania, 95123 Catania, Italy.
¹⁶ Università degli Studi di Messina, 98166 Messina, Italy.
¹⁷ Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA.
¹⁸ Fairfield University, Fairfield, Connecticut 06824, USA.
¹⁹ INFN, Sezione di Roma Tor Vergata, 00133 Rome, Italy.
²⁰ IRFU, CEA, Université Paris-Saclay, F-91191 Gif-sur-Yvette, France.
²¹ II Physikalisches Institut der Universitaet Giessen, 35392 Giessen, Germany.
²² The George Washington University, Washington, D.C. 20052, USA.
²³ University of Connecticut, Storrs, Connecticut 06269, USA.
²⁴ Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, 119234 Moscow, Russia.
²⁵ Università di Ferrara, 44121 Ferrara, Italy.
²⁶ Catholic University of America, Washington, D.C. 20064, USA.
²⁷ Lamar University, 4400 MLK Blvd, P.O. Box 10046, Beaumont, Texas 77710, USA.
²⁸ Università di Roma Tor Vergata, 00133 Rome Italy.
²⁹ Yerevan Physics Institute, 375036 Yerevan, Armenia.
³⁰ Duke University, Durham, North Carolina 27708-0305, USA.
³¹ Ohio University, Athens, Ohio 45701, USA.
³² University of South Carolina, Columbia, South Carolina 29208, USA.
³³ Université Paris-Saclay, CNRS/IN2P3, IJCLab, 91405 Orsay, France.
³⁴ Mississippi State University, Mississippi State, Mississippi 39762-5167, USA.
³⁵ Florida State University, Tallahassee, Florida 32306, USA.
³⁶ INFN, Sezione di Torino, 10125 Torino, Italy.
³⁷ University of New Hampshire, Durham, New Hampshire 03824-3568, USA.
³⁸ University of Richmond, Richmond, Virginia 23173, USA.
³⁹ College of William and Mary, Williamsburg, Virginia 23187-8795, USA.
⁴⁰ Christopher Newport University, Newport News, Virginia 23606, USA.
⁴¹ University of Glasgow, Glasgow G12 8QQ, United Kingdom.
⁴² Kyungpook National University, Daegu 41566, Republic of Korea.
⁴³ Massachusetts Institute of Technology, Cambridge, Massachusetts 02139-4307, USA.
⁴⁴ University of Virginia, Charlottesville, Virginia 22901, USA.
⁴⁵ Norfolk State University, Norfolk, Virginia 23504, USA.
⁴⁶ INFN, Laboratori Nazionali di Frascati, 00044 Frascati, Italy.
⁴⁷ James Madison University, Harrisonburg, Virginia 22807, USA.
⁴⁸ New Mexico State University, PO Box 30001, Las Cruces, New Mexico 88003, USA.
⁴⁹ California State University, Dominguez Hills, Carson, California 90747, USA.
⁵⁰ Rensselaer Polytechnic Institute, Troy, New York 12180-3590, USA.
⁵¹ Canisius College, Buffalo, New York 14208, USA.

PMID: 36374671
DOI: 10.1103/PhysRevLett.129.182501

Observation of Azimuth-Dependent Suppression of Hadron Pairs in Electron Scattering off Nuclei

S J Paul et al. Phys Rev Lett. 2022.

. 2022 Oct 28;129(18):182501.

doi: 10.1103/PhysRevLett.129.182501.

Authors

Affiliations

¹ University of California Riverside, 900 University Avenue, Riverside, California 92521, USA.
² Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA.
³ Universidad Técnica Federico Santa María, Casilla 110-V Valparaíso, Chile.
⁴ Old Dominion University, Norfolk, Virginia 23529, USA.
⁵ Argonne National Laboratory, Argonne, Illinois 60439, USA.
⁶ Temple University, Philadelphia, Pennsylvania 19122, USA.
⁷ Florida International University, Miami, Florida 33199, USA.
⁸ INFN, Sezione di Ferrara, 44100 Ferrara, Italy.
⁹ University of York, York YO10 5DD, United Kingdom.
¹⁰ INFN, Sezione di Genova, 16146 Genova, Italy.
¹¹ National Research Centre Kurchatov Institute-ITEP, Moscow, 117259, Russia.
¹² Duquesne University, 600 Forbes Avenue, Pittsburgh, Pennsylvania 15282, USA.
¹³ INFN, Sezione di Pavia, 27100 Pavia, Italy.
¹⁴ Università degli Studi di Brescia, 25123 Brescia, Italy.
¹⁵ INFN, Sezione di Catania, 95123 Catania, Italy.
¹⁶ Università degli Studi di Messina, 98166 Messina, Italy.
¹⁷ Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA.
¹⁸ Fairfield University, Fairfield, Connecticut 06824, USA.
¹⁹ INFN, Sezione di Roma Tor Vergata, 00133 Rome, Italy.
²⁰ IRFU, CEA, Université Paris-Saclay, F-91191 Gif-sur-Yvette, France.
²¹ II Physikalisches Institut der Universitaet Giessen, 35392 Giessen, Germany.
²² The George Washington University, Washington, D.C. 20052, USA.
²³ University of Connecticut, Storrs, Connecticut 06269, USA.
²⁴ Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, 119234 Moscow, Russia.
²⁵ Università di Ferrara, 44121 Ferrara, Italy.
²⁶ Catholic University of America, Washington, D.C. 20064, USA.
²⁷ Lamar University, 4400 MLK Blvd, P.O. Box 10046, Beaumont, Texas 77710, USA.
²⁸ Università di Roma Tor Vergata, 00133 Rome Italy.
²⁹ Yerevan Physics Institute, 375036 Yerevan, Armenia.
³⁰ Duke University, Durham, North Carolina 27708-0305, USA.
³¹ Ohio University, Athens, Ohio 45701, USA.
³² University of South Carolina, Columbia, South Carolina 29208, USA.
³³ Université Paris-Saclay, CNRS/IN2P3, IJCLab, 91405 Orsay, France.
³⁴ Mississippi State University, Mississippi State, Mississippi 39762-5167, USA.
³⁵ Florida State University, Tallahassee, Florida 32306, USA.
³⁶ INFN, Sezione di Torino, 10125 Torino, Italy.
³⁷ University of New Hampshire, Durham, New Hampshire 03824-3568, USA.
³⁸ University of Richmond, Richmond, Virginia 23173, USA.
³⁹ College of William and Mary, Williamsburg, Virginia 23187-8795, USA.
⁴⁰ Christopher Newport University, Newport News, Virginia 23606, USA.
⁴¹ University of Glasgow, Glasgow G12 8QQ, United Kingdom.
⁴² Kyungpook National University, Daegu 41566, Republic of Korea.
⁴³ Massachusetts Institute of Technology, Cambridge, Massachusetts 02139-4307, USA.
⁴⁴ University of Virginia, Charlottesville, Virginia 22901, USA.
⁴⁵ Norfolk State University, Norfolk, Virginia 23504, USA.
⁴⁶ INFN, Laboratori Nazionali di Frascati, 00044 Frascati, Italy.
⁴⁷ James Madison University, Harrisonburg, Virginia 22807, USA.
⁴⁸ New Mexico State University, PO Box 30001, Las Cruces, New Mexico 88003, USA.
⁴⁹ California State University, Dominguez Hills, Carson, California 90747, USA.
⁵⁰ Rensselaer Polytechnic Institute, Troy, New York 12180-3590, USA.
⁵¹ Canisius College, Buffalo, New York 14208, USA.

PMID: 36374671
DOI: 10.1103/PhysRevLett.129.182501

Abstract

We present the first measurement of dihadron angular correlations in electron-nucleus scattering. The data were taken with the CLAS detector and a 5.0 GeV electron beam incident on deuterium, carbon, iron, and lead targets. Relative to deuterium, the nuclear yields of charged-pion pairs show a strong suppression for azimuthally opposite pairs, no suppression for azimuthally nearby pairs, and an enhancement of pairs with large invariant mass. These effects grow with increased nuclear size. The data are qualitatively described by the gibuu model, which suggests that hadrons form near the nuclear surface and undergo multiple scattering in nuclei.These results show that angular correlation studies can open a new way to elucidate how hadrons form and interact inside nuclei.

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Observation of Azimuth-Dependent Suppression of Hadron Pairs in Electron Scattering off Nuclei

Affiliations

Observation of Azimuth-Dependent Suppression of Hadron Pairs in Electron Scattering off Nuclei

Authors

Affiliations

Abstract

LinkOut - more resources

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