Hard two-body photodisintegration of 3He

I Pomerantz; Y Ilieva; R Gilman; D W Higinbotham; E Piasetzky; S Strauch; K P Adhikari; M Aghasyan; K Allada; M J Amaryan; S Anefalos Pereira; M Anghinolfi; H Baghdasaryan; J Ball; N A Baltzell; M Battaglieri; V Batourine; A Beck; S Beck; I Bedlinskiy; B L Berman; A S Biselli; W Boeglin; J Bono; C Bookwalter; S Boiarinov; W J Briscoe; W K Brooks; N Bubis; V Burkert; A Camsonne; M Canan; D S Carman; A Celentano; S Chandavar; G Charles; K Chirapatpimol; E Cisbani; P L Cole; M Contalbrigo; V Crede; F Cusanno; A D'Angelo; A Daniel; N Dashyan; C W de Jager; R De Vita; E De Sanctis; A Deur; C Djalali; G E Dodge; D Doughty; R Dupre; C Dutta; H Egiyan; A El Alaoui; L El Fassi; P Eugenio; G Fedotov; S Fegan; J A Fleming; A Fradi; F Garibaldi; O Geagla; N Gevorgyan; K L Giovanetti; F X Girod; J Glister; J T Goetz; W Gohn; E Golovatch; R W Gothe; K A Griffioen; B Guegan; M Guidal; L Guo; K Hafidi; H Hakobyan; N Harrison; D Heddle; K Hicks; D Ho; M Holtrop; C E Hyde; D G Ireland; B S Ishkhanov; E L Isupov; X Jiang; H S Jo; K Joo; A T Katramatou; D Keller; M Khandaker; P Khetarpal; E Khrosinkova; A Kim; W Kim; F J Klein; S Koirala; A Kubarovsky; V Kubarovsky; S V Kuleshov; N D Kvaltine; B Lee; J J LeRose; S Lewis; R Lindgren; K Livingston; H Y Lu; I J D MacGregor; Y Mao; D Martinez; M Mayer; E McCullough; B McKinnon; D Meekins; C A Meyer; R Michaels; T Mineeva; M Mirazita; B Moffit; V Mokeev; R A Montgomery; H Moutarde; E Munevar; C Munoz Camacho; P Nadel-Turonski; R Nasseripour; C S Nepali; S Niccolai; G Niculescu; I Niculescu; M Osipenko; A I Ostrovidov; L L Pappalardo; R Paremuzyan; K Park; S Park; G G Petratos; E Phelps; S Pisano; O Pogorelko; S Pozdniakov; S Procureur; D Protopopescu; A J R Puckett; X Qian; Y Qiang; G Ricco; D Rimal; M Ripani; B G Ritchie; I Rodriguez; G Ron; G Rosner; P Rossi; F Sabatié; A Saha; M S Saini; A J Sarty; B Sawatzky; N A Saylor; D Schott; E Schulte; R A Schumacher; E Seder; H Seraydaryan; R Shneor; G D Smith; D Sokhan; N Sparveris; S S Stepanyan; S Stepanyan; P Stoler; R Subedi; V Sulkosky; M Taiuti; W Tang; C E Taylor; S Tkachenko; M Ungaro; B Vernarsky; M F Vineyard; H Voskanyan; E Voutier; N K Walford; Y Wang; D P Watts; L B Weinstein; D P Weygand; B Wojtsekhowski; M H Wood; X Yan; H Yao; N Zachariou; X Zhan; J Zhang; Z W Zhao; X Zheng; I Zonta; CLAS and Hall-A Collaborations

doi:10.1103/PhysRevLett.110.242301

Hard two-body photodisintegration of 3He

Phys Rev Lett. 2013 Jun 14;110(24):242301. doi: 10.1103/PhysRevLett.110.242301. Epub 2013 Jun 14.

Authors

I Pomerantz¹, Y Ilieva², R Gilman³, D W Higinbotham⁴, E Piasetzky⁵, S Strauch², K P Adhikari⁶, M Aghasyan⁷, K Allada⁸, M J Amaryan⁶, S Anefalos Pereira⁷, M Anghinolfi⁹, H Baghdasaryan¹⁰, J Ball¹¹, N A Baltzell¹², M Battaglieri⁹, V Batourine⁴, A Beck¹³, S Beck¹³, I Bedlinskiy¹⁴, B L Berman¹⁵, A S Biselli¹⁶, W Boeglin¹⁷, J Bono¹⁷, C Bookwalter¹⁸, S Boiarinov¹⁹, W J Briscoe¹⁵, W K Brooks²⁰, N Bubis⁵, V Burkert⁴, A Camsonne⁴, M Canan⁶, D S Carman⁴, A Celentano⁹, S Chandavar²¹, G Charles¹¹, K Chirapatpimol¹⁰, E Cisbani²², P L Cole²³, M Contalbrigo²⁴, V Crede¹⁸, F Cusanno²², A D'Angelo²⁵, A Daniel²¹, N Dashyan²⁶, C W de Jager⁴, R De Vita⁹, E De Sanctis⁷, A Deur⁴, C Djalali², G E Dodge⁶, D Doughty²⁷, R Dupre¹¹, C Dutta⁸, H Egiyan²⁸, A El Alaoui¹², L El Fassi¹², P Eugenio¹⁸, G Fedotov², S Fegan²⁹, J A Fleming³⁰, A Fradi³¹, F Garibaldi²², O Geagla¹⁰, N Gevorgyan²⁶, K L Giovanetti³², F X Girod⁴, J Glister³³, J T Goetz³⁴, W Gohn³⁵, E Golovatch³⁶, R W Gothe², K A Griffioen³⁷, B Guegan³¹, M Guidal³¹, L Guo¹⁷, K Hafidi¹², H Hakobyan³⁸, N Harrison³⁵, D Heddle²⁷, K Hicks²¹, D Ho³⁹, M Holtrop⁴⁰, C E Hyde⁶, D G Ireland²⁹, B S Ishkhanov⁴¹, E L Isupov⁴¹, X Jiang⁴², H S Jo³¹, K Joo⁴³, A T Katramatou⁴⁴, D Keller¹⁰, M Khandaker⁴⁵, P Khetarpal¹⁷, E Khrosinkova⁴⁴, A Kim⁴⁶, W Kim⁴⁶, F J Klein⁴⁷, S Koirala⁶, A Kubarovsky⁴⁸, V Kubarovsky⁴, S V Kuleshov⁴⁹, N D Kvaltine¹⁰, B Lee⁴⁴, J J LeRose⁴, S Lewis²⁹, R Lindgren¹⁰, K Livingston²⁹, H Y Lu³⁹, I J D MacGregor²⁹, Y Mao², D Martinez⁵⁰, M Mayer⁶, E McCullough⁵¹, B McKinnon²⁹, D Meekins⁴, C A Meyer³⁹, R Michaels⁴, T Mineeva³⁵, M Mirazita⁷, B Moffit³⁷, V Mokeev⁵², R A Montgomery²⁹, H Moutarde¹¹, E Munevar⁴, C Munoz Camacho³¹, P Nadel-Turonski⁴, R Nasseripour⁵³, C S Nepali⁶, S Niccolai³¹, G Niculescu⁵⁴, I Niculescu⁵⁵, M Osipenko⁹, A I Ostrovidov¹⁸, L L Pappalardo²⁴, R Paremuzyan²⁶, K Park⁵⁶, S Park¹⁸, G G Petratos⁴⁴, E Phelps², S Pisano⁷, O Pogorelko¹⁴, S Pozdniakov¹⁴, S Procureur¹¹, D Protopopescu²⁹, A J R Puckett⁴, X Qian⁵⁷, Y Qiang⁵⁸, G Ricco⁵⁹, D Rimal¹⁷, M Ripani⁹, B G Ritchie⁶⁰, I Rodriguez¹⁷, G Ron⁶¹, G Rosner²⁹, P Rossi⁷, F Sabatié¹¹, A Saha⁴, M S Saini¹⁸, A J Sarty⁵¹, B Sawatzky⁶², N A Saylor⁶³, D Schott¹⁵, E Schulte⁴², R A Schumacher³⁹, E Seder³⁵, H Seraydaryan⁶, R Shneor⁵, G D Smith²⁹, D Sokhan³¹, N Sparveris⁶⁴, S S Stepanyan⁴⁶, S Stepanyan⁴, P Stoler⁶³, R Subedi⁴⁴, V Sulkosky⁴, M Taiuti⁵⁹, W Tang²¹, C E Taylor⁵⁰, S Tkachenko¹⁰, M Ungaro⁶⁵, B Vernarsky³⁹, M F Vineyard⁶⁶, H Voskanyan²⁶, E Voutier⁶⁷, N K Walford⁴⁷, Y Wang⁶⁸, D P Watts³⁰, L B Weinstein⁶, D P Weygand⁴, B Wojtsekhowski⁴, M H Wood⁶⁹, X Yan⁴⁴, H Yao⁷⁰, N Zachariou², X Zhan⁵⁸, J Zhang⁴, Z W Zhao¹⁰, X Zheng¹⁰, I Zonta⁷¹; CLAS and Hall-A Collaborations

Affiliations

¹ Tel Aviv University, Tel Aviv 69978, Israel and The University of Texas at Austin, Austin, Texas 78712, USA.
² University of South Carolina, Columbia, South Carolina 29208, USA.
³ Rutgers, The State University of New Jersey, Piscataway, New Jersey 08855, USA and Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA.
⁴ Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA.
⁵ Tel Aviv University, Tel Aviv 69978, Israel.
⁶ Old Dominion University, Norfolk, Virginia 23529, USA.
⁷ INFN, Laboratori Nazionali di Frascati, 00044 Frascati, Italy.
⁸ University of Kentucky, Lexington, Kentucky 40506, USA.
⁹ INFN, Sezione di Genova, 16146 Genova, Italy.
¹⁰ University of Virginia, Charlottesville, Virginia 22901, USA.
¹¹ CEA, Centre de Saclay, Irfu/Service de Physique Nucléaire, 91191 Gif-sur-Yvette, France.
¹² Argonne National Laboratory, Argonne, Illinois 60439, USA.
¹³ NRCN, P.O. Box 9001, Beer-Sheva 84190, Israel.
¹⁴ Institute of Theoretical and Experimental Physics, Moscow, 117259, Russia.
¹⁵ The George Washington University, Washington, D.C. 20052, USA.
¹⁶ Fairfield University, Fairfield, Connecticut 06824, USA and Rensselaer Polytechnic Institute, Troy, New York 12180-3590, USA.
¹⁷ Florida International University, Miami, Florida 33199, USA.
¹⁸ Florida State University, Tallahassee, Florida 32306, USA.
¹⁹ Institute of Theoretical and Experimental Physics, Moscow, 117259, Russia and Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA.
²⁰ Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA and Universidad Técnica Federico Santa María, Casilla 110-V Valparaíso, Chile.
²¹ Ohio University, Athens, Ohio 45701, USA.
²² INFN, Gruppo collegato Sanità and Istituto Superiore di Sanità, Department TESA, I-00161 Rome, Italy.
²³ Idaho State University, Pocatello, Idaho 83209, USA and Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA.
²⁴ INFN, Sezione di Ferrara, 44100 Ferrara, Italy.
²⁵ INFN, Sezione di Roma Tor Vergata, 00133 Rome, Italy and Università di Roma Tor Vergata, 00133 Rome, Italy.
²⁶ Yerevan Physics Institute, 375036 Yerevan, Armenia.
²⁷ Christopher Newport University, Newport News, Virginia 23606, USA and Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA.
²⁸ Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA and College of William and Mary, Williamsburg, Virginia 23187-8795, USA.
²⁹ University of Glasgow, Glasgow G12 8QQ, United Kingdom.
³⁰ Edinburgh University, Edinburgh EH9 3JZ, United Kingdom.
³¹ Institut de Physique Nucléaire ORSAY, Orsay 91406, France.
³² James Madison University, Harrisonburg, Virginia 22807, USA.
³³ Dalhousie University, Halifax, Nova Scotia B3H 3J5, Canada and Saint Mary's University, Halifax, Nova Scotia B3H 3C3, Canada.
³⁴ University of California at Los Angeles, Los Angeles, California 90095-1547, USA.
³⁵ University of Connecticut, Storrs, Connecticut 06269, USA.
³⁶ INFN, Sezione di Genova, 16146 Genova, Italy and Skobeltsyn Nuclear Physics Institute, 119899 Moscow, Russia.
³⁷ College of William and Mary, Williamsburg, Virginia 23187-8795, USA.
³⁸ Universidad Técnica Federico Santa María, Casilla 110-V Valparaíso, Chile and Yerevan Physics Institute, 375036 Yerevan, Armenia.
³⁹ Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA.
⁴⁰ University of New Hampshire, Durham, New Hampshire 03824-3568, USA.
⁴¹ Skobeltsyn Nuclear Physics Institute, 119899 Moscow, Russia.
⁴² Rutgers, The State University of New Jersey, Piscataway, New Jersey 08855, USA.
⁴³ University of Connecticut, Storrs, Connecticut 06269, USA and University of Virginia, Charlottesville, Virginia 22901, USA.
⁴⁴ Kent State University, Kent, Ohio 44242, USA.
⁴⁵ Norfolk State University, Norfolk, Virginia 23504, USA.
⁴⁶ Kyungpook National University, Daegu 702-701, Republic of Korea.
⁴⁷ Catholic University of America, Washington, D.C. 20064, USA.
⁴⁸ Rensselaer Polytechnic Institute, Troy, New York 12180-3590, USA and Skobeltsyn Nuclear Physics Institute, 119899 Moscow, Russia.
⁴⁹ Institute of Theoretical and Experimental Physics, Moscow, 117259, Russia and Universidad Técnica Federico Santa María, Casilla 110-V Valparaíso, Chile.
⁵⁰ Idaho State University, Pocatello, Idaho 83209, USA.
⁵¹ Saint Mary's University, Halifax, Nova Scotia B3H 3C3, Canada.
⁵² Skobeltsyn Nuclear Physics Institute, 119899 Moscow, Russia and Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA.
⁵³ Florida International University, Miami, Florida 33199, USA and James Madison University, Harrisonburg, Virginia 22807, USA.
⁵⁴ James Madison University, Harrisonburg, Virginia 22807, USA and Ohio University, Athens, Ohio 45701, USA.
⁵⁵ The George Washington University, Washington, D.C. 20052, USA and James Madison University, Harrisonburg, Virginia 22807, USA.
⁵⁶ Kyungpook National University, Daegu 702-701, Republic of Korea and Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA.
⁵⁷ Duke University, Durham, North Carolina 27708, USA.
⁵⁸ Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA.
⁵⁹ Università di Genova, 16146 Genova, Italy.
⁶⁰ Arizona State University, Tempe, Arizona 85287-1504, USA.
⁶¹ The Hebrew University of Jerusalem, 91904, Israel.
⁶² Temple University, Philadelphia, Pennsylvania 19122, USA and University of Virginia, Charlottesville, Virginia 22901, USA.
⁶³ Rensselaer Polytechnic Institute, Troy, New York 12180-3590, USA.
⁶⁴ Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA and Temple University, Philadelphia, Pennsylvania 19122, USA.
⁶⁵ Rensselaer Polytechnic Institute, Troy, New York 12180-3590, USA and Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606, USA.
⁶⁶ Union College, Schenectady, New York 12308, USA.
⁶⁷ LPSC, Université Joseph Fourier, CNRS/IN2P3, INPG, Grenoble, France.
⁶⁸ University of Illinois at Urbana-Champaign, Urbana, Illinois 61801, USA.
⁶⁹ Canisius College, Buffalo, New York 14208, USA.
⁷⁰ Temple University, Philadelphia, Pennsylvania 19122, USA.
⁷¹ INFN, Sezione di Roma Tor Vergata, 00133 Rome, Italy.

PMID: 25165915
DOI: 10.1103/PhysRevLett.110.242301

Abstract

We have measured cross sections for the γ(3)He → pd reaction at photon energies of 0.4-1.4 GeV and a center-of-mass angle of 90°. We observe dimensional scaling above 0.7 GeV at this center-of-mass angle. This is the first observation of dimensional scaling in the photodisintegration of a nucleus heavier than the deuteron.