Hard Photodisintegration of a Proton Pair

Pomerantz, Ishay; Bubis, Nathaniel; Allada, Kalyan; Beck, Arie; Beck, Sara; Berman, Barry L.; Boeglin, Werner U.; Camsonne, Alexandre; Canan, Mustafa; Chirapatpimol, Khem; Cisbani, Evaristo; Cusanno, Francesco; de Jager, Cornelis W.; Dutta, Chirajib; Garibaldi, Franco; Geagla, Octavian; Gilman, Ronald; Glister, Jacqueline F.; Higinbotham, Douglas W.; Jiang, Xiaodong; Katramatou, A. T.; Khrosinkova, Elena; Lee, B. W.; LeRose, John J.; Lindgren, Richard A.; McCullough, Emily; Meekins, David G.; Michaels, Robert W.; Moffit, Bryan J.; Petratos, Gerassimos G.; Piasetzky, Eliazer I.; Qian, Xin; Qiang, Yi; Rodriguez, I.; Ron, Guy; Saha, Arun; Sarty, Adam J.; Sawatzky, Bradley D.; Schulte, Elaine C.; Shneor, Ran; Sparveris, NIkolaos; Subedi, Ramesh R.; Sulkosky, Vincent A.; Wang, Y.; Wojtsekhowski, Bogdan B.; Yan, X.; Yao, H.; Zhan, Xiaohui; Zheng, Xiaochao

doi:10.1016/j.physletb.2009.12.050

Title: Hard Photodisintegration of a Proton Pair

Abstract

We present the first study of high energy photodisintegration of proton-pairs through the gamma + 3He -> p+p+n channel. Photon energies from 0.8 to 4.7 GeV were used in kinematics corresponding to a proton pair with high relative momentum and a neutron nearly at rest. An s^{-11} scaling of the cross section was observed, as predicted by the constituent counting rule. The onset of the scaling is at a higher energy and the cross section is significantly lower then for pn pair photodisintegration. For photon energies below the scaling region, the scaled cross section was found to present a strong energy-dependent structure not observed in deuteron photodisintegration.

Authors:

Pomerantz, Ishay ^[1]; Bubis, Nathaniel ^[1]; Allada, Kalyan ^[2]; Beck, Arie ^[3]; Beck, Sara ^[3]; Berman, Barry L. ^[4]; Boeglin, Werner U. ^[5]; Camsonne, Alexandre ^[6]; Canan, Mustafa ^[7]; Chirapatpimol, Khem ^[8]; Cisbani, Evaristo ^[9]; Cusanno, Francesco ^[9]; de Jager, Cornelis W. ^[6]; Dutta, Chirajib ^[10]; Garibaldi, Franco ^[9]; Geagla, Octavian ^[7]; Gilman, Ronald ^[11]; Glister, Jacqueline F. ^[12]; Higinbotham, Douglas W. ^[6]; Jiang, Xiaodong ^[13] more »

Tel Aviv Univ., Tel Aviv Israel
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Nuclear Research Center -Negev, Beer-Sheva, Israel
George Washington Univ., Washington, DC (United States)
Florida Intl Univ., Miami, FL (United States)
Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
Old Dominion Univ., Norfolk, VA (United States)
Univ. of Virginia, Charlottesville, VA (United States)
National Inst. of Nuclear Physics (INFN), Rome (Italy)
Univ. of Kentucky, Lexington, KY (United States)
Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States); Rutgers Univ., Piscataway, NJ (United States)
Saint Mary's Univ., Halifax, Nova Scotia, Canada; Dalhousie Univ., Halifax, Nova Scotia, Canada
Rutgers Univ., Piscataway, NJ (United States)
Kent State Univ., Kent, OH (United States)
Seoul National Univ. (Korea, Republic of)
Saint Mary's Univ., Halifax, Nova Scotia, Canada
College of William and Mary, Williamsburg, VA (United States)
Tel Aviv Univ., Tel Aviv, Israel
Duke Univ., Durham, NC (United States)
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Univ. of Virginia, Charlottesville, VA (United States); Temple Univ., Philadelphia, PA
Temple Univ., Philadelphia, PA
Univ. of Illinois, Urbana, IL (United States)

Publication Date:: Fri Jan 08 00:00:00 EST 2010

Research Org.:: Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Nuclear Physics (NP)

OSTI Identifier:: 980896

Report Number(s):: JLAB-PHY-09-1050; DOE/OR/23177-0957
Journal ID: ISSN 0370-2693; TRN: US1003961

Grant/Contract Number:: AC05-06OR23177

Resource Type:: Journal Article: Accepted Manuscript

Journal Name:: Physics Letters B

Additional Journal Information:: Journal Volume: 684; Journal Issue: 2-3; Journal ID: ISSN 0370-2693

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

Subject:: 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; 74 ATOMIC AND MOLECULAR PHYSICS; CROSS SECTIONS; DEUTERONS; ENERGY; NEUTRONS; PHOTONS; PHOTONUCLEAR REACTIONS; PROTONS; SCALING; YIELDS

Citation Formats


                    Pomerantz, Ishay, Bubis, Nathaniel, Allada, Kalyan, Beck, Arie, Beck, Sara, Berman, Barry L., Boeglin, Werner U., Camsonne, Alexandre, Canan, Mustafa, Chirapatpimol, Khem, Cisbani, Evaristo, Cusanno, Francesco, de Jager, Cornelis W., Dutta, Chirajib, Garibaldi, Franco, Geagla, Octavian, Gilman, Ronald, Glister, Jacqueline F., Higinbotham, Douglas W., Jiang, Xiaodong, Katramatou, A. T., Khrosinkova, Elena, Lee, B. W., LeRose, John J., Lindgren, Richard A., McCullough, Emily, Meekins, David G., Michaels, Robert W., Moffit, Bryan J., Petratos, Gerassimos G., Piasetzky, Eliazer I., Qian, Xin, Qiang, Yi, Rodriguez, I., Ron, Guy, Saha, Arun, Sarty, Adam J., Sawatzky, Bradley D., Schulte, Elaine C., Shneor, Ran, Sparveris, NIkolaos, Subedi, Ramesh R., Sulkosky, Vincent A., Wang, Y., Wojtsekhowski, Bogdan B., Yan, X., Yao, H., Zhan, Xiaohui, and Zheng, Xiaochao. Hard Photodisintegration of a Proton Pair.  United States: N. p., 2010. 
        Web.  doi:10.1016/j.physletb.2009.12.050.

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                    Pomerantz, Ishay, Bubis, Nathaniel, Allada, Kalyan, Beck, Arie, Beck, Sara, Berman, Barry L., Boeglin, Werner U., Camsonne, Alexandre, Canan, Mustafa, Chirapatpimol, Khem, Cisbani, Evaristo, Cusanno, Francesco, de Jager, Cornelis W., Dutta, Chirajib, Garibaldi, Franco, Geagla, Octavian, Gilman, Ronald, Glister, Jacqueline F., Higinbotham, Douglas W., Jiang, Xiaodong, Katramatou, A. T., Khrosinkova, Elena, Lee, B. W., LeRose, John J., Lindgren, Richard A., McCullough, Emily, Meekins, David G., Michaels, Robert W., Moffit, Bryan J., Petratos, Gerassimos G., Piasetzky, Eliazer I., Qian, Xin, Qiang, Yi, Rodriguez, I., Ron, Guy, Saha, Arun, Sarty, Adam J., Sawatzky, Bradley D., Schulte, Elaine C., Shneor, Ran, Sparveris, NIkolaos, Subedi, Ramesh R., Sulkosky, Vincent A., Wang, Y., Wojtsekhowski, Bogdan B., Yan, X., Yao, H., Zhan, Xiaohui, & Zheng, Xiaochao. Hard Photodisintegration of a Proton Pair.  United States.  https://doi.org/10.1016/j.physletb.2009.12.050

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                    Pomerantz, Ishay, Bubis, Nathaniel, Allada, Kalyan, Beck, Arie, Beck, Sara, Berman, Barry L., Boeglin, Werner U., Camsonne, Alexandre, Canan, Mustafa, Chirapatpimol, Khem, Cisbani, Evaristo, Cusanno, Francesco, de Jager, Cornelis W., Dutta, Chirajib, Garibaldi, Franco, Geagla, Octavian, Gilman, Ronald, Glister, Jacqueline F., Higinbotham, Douglas W., Jiang, Xiaodong, Katramatou, A. T., Khrosinkova, Elena, Lee, B. W., LeRose, John J., Lindgren, Richard A., McCullough, Emily, Meekins, David G., Michaels, Robert W., Moffit, Bryan J., Petratos, Gerassimos G., Piasetzky, Eliazer I., Qian, Xin, Qiang, Yi, Rodriguez, I., Ron, Guy, Saha, Arun, Sarty, Adam J., Sawatzky, Bradley D., Schulte, Elaine C., Shneor, Ran, Sparveris, NIkolaos, Subedi, Ramesh R., Sulkosky, Vincent A., Wang, Y., Wojtsekhowski, Bogdan B., Yan, X., Yao, H., Zhan, Xiaohui, and Zheng, Xiaochao. 2010.  
        "Hard Photodisintegration of a Proton Pair".  United States.  https://doi.org/10.1016/j.physletb.2009.12.050.  https://www.osti.gov/servlets/purl/980896.

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@article{osti_980896,

  title        = {Hard Photodisintegration of a Proton Pair},

  author       = {Pomerantz, Ishay and Bubis, Nathaniel and Allada, Kalyan and Beck, Arie and Beck, Sara and Berman, Barry L. and Boeglin, Werner U. and Camsonne, Alexandre and Canan, Mustafa and Chirapatpimol, Khem and Cisbani, Evaristo and Cusanno, Francesco and de Jager, Cornelis W. and Dutta, Chirajib and Garibaldi, Franco and Geagla, Octavian and Gilman, Ronald and Glister, Jacqueline F. and Higinbotham, Douglas W. and Jiang, Xiaodong and Katramatou, A. T. and Khrosinkova, Elena and Lee, B. W. and LeRose, John J. and Lindgren, Richard A. and McCullough, Emily and Meekins, David G. and Michaels, Robert W. and Moffit, Bryan J. and Petratos, Gerassimos G. and Piasetzky, Eliazer I. and Qian, Xin and Qiang, Yi and Rodriguez, I. and Ron, Guy and Saha, Arun and Sarty, Adam J. and Sawatzky, Bradley D. and Schulte, Elaine C. and Shneor, Ran and Sparveris, NIkolaos and Subedi, Ramesh R. and Sulkosky, Vincent A. and Wang, Y. and Wojtsekhowski, Bogdan B. and Yan, X. and Yao, H. and Zhan, Xiaohui and Zheng, Xiaochao},

  abstractNote = {We present the first study of high energy photodisintegration of proton-pairs through the gamma + 3He -> p+p+n channel. Photon energies from 0.8 to 4.7 GeV were used in kinematics corresponding to a proton pair with high relative momentum and a neutron nearly at rest. An s^{-11} scaling of the cross section was observed, as predicted by the constituent counting rule. The onset of the scaling is at a higher energy and the cross section is significantly lower then for pn pair photodisintegration. For photon energies below the scaling region, the scaled cross section was found to present a strong energy-dependent structure not observed in deuteron photodisintegration.},

  doi          = {10.1016/j.physletb.2009.12.050},

  url          = {https://www.osti.gov/biblio/980896},
  journal      = {Physics Letters B},

  issn         = {0370-2693},

  number       = 2-3,

  volume       = 684,

  place        = {United States},

  year         = {Fri Jan 08 00:00:00 EST 2010},

  month        = {Fri Jan 08 00:00:00 EST 2010}

}

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