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Q^2 Evolution of the Generalized Gerasimov-Drell-Hearn Integral for the Neutron using a ^3He Target

Amarian, M. and Gao, J. and Goldberg, E. and Hughes, E. W. and Jensen, S. and Jones, C. and McKeown, R. and Pavlin, T. and Pripstein, D. (2002) Q^2 Evolution of the Generalized Gerasimov-Drell-Hearn Integral for the Neutron using a ^3He Target. Physical Review Letters, 89 (24). Art. No 242301. ISSN 0031-9007. doi:10.1103/PhysRevLett.89.242301.

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We present data on the inclusive scattering of polarized electrons from a polarized ^3He target at energies from 0.862 to 5.06 GeV, obtained at a scattering angle of 15.5°. Our data include measurements from the quasielastic peak, through the nucleon resonance region, and beyond, and were used to determine the virtual photon cross-section difference σ_(1/2)-σ_(3/2). We extract the extended Gerasimov-Drell-Hearn integral for the neutron in the range of four-momentum transfer squared Q^2 of 0.1–0.9   GeV^2.

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Additional Information:© 2002 The American Physical Society. Received 15 May 2002; published 26 November 2002. We acknowledge the untiring support of the JLab staff. This work was supported by the U.S. Department of Energy (DOE), the DOE-EPSCoR, the U.S. National Science Foundation, NSERC of Canada, the European INTAS Foundation, the Italian INFN, and the French CEA, CNRS, and Conseil Régional d’Auvergne. The Southeastern Universities Research Association (SURA) operates the Thomas Jefferson National Accelerator Facility for the DOE under Contract No. DE-AC05-84ER40150.
Funding AgencyGrant Number
Department of Energy (DOE)UNSPECIFIED
Department of Energy (DOE)-EPSCoRUNSPECIFIED
European INTAS FoundationUNSPECIFIED
Italian Istituto Nazionale di Fisica Nucleare (INFN)UNSPECIFIED
Conseil Régional d'AuvergneUNSPECIFIED
Southern Universities Research Association (SURA)UNSPECIFIED
Department of Energy (DOE)DE-AC05-84ER40150
Issue or Number:24
Classification Code:PACS: 25.30.–c, 11.55.Hx
Record Number:CaltechAUTHORS:20111101-110159370
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Official Citation:Q2 Evolution of the Generalized Gerasimov-Drell-Hearn Integral for the Neutron using a 3He Target M. Amarian et al. (Jefferson Lab E94010 Collaboration) Published 26 November 2002 (6 pages) 242301
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:27554
Deposited By: Ruth Sustaita
Deposited On:01 Nov 2011 19:54
Last Modified:09 Nov 2021 16:49

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