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x and ξ scaling of the nuclear structure function at large x

Arrington, J. and Averett, T. and Bray, B. and Filippone, B. W. and Hughes, E. W. and Jensen, J. and McKeown, R. D. (2001) x and ξ scaling of the nuclear structure function at large x. Physical Review C, 64 (1). Art. No. 014602. ISSN 0556-2813. http://resolver.caltech.edu/CaltechAUTHORS:20111111-093149772

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Abstract

Inclusive electron scattering data are presented for ^2H, C, Fe, and Au targets at an incident electron energy of 4.045 GeV for a range of momentum transfers from Q^2=1 to 7 (GeV/c)^2. Data were taken at Jefferson Laboratory for low values of energy loss, corresponding to values of Bjorken x ≳ 1. The structure functions do not show scaling in x in this range, where inelastic scattering is not expected to dominate the cross section. The data do show scaling, however, in the Nachtmann variable ξ. This scaling appears to be the result of Bloom- Gilman duality in the nucleon structure function combined with the Fermi motion of the nucleons in the nucleus. The resulting extension of scaling to larger values of ξ opens up the possibility of accessing nuclear structure functions in the high-x region at lower values of Q^2 than previously believed.


Item Type:Article
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http://dx.doi.org/10.1103/PhysRevC.64.014602DOIUNSPECIFIED
http://prc.aps.org/abstract/PRC/v64/i1/e014602PublisherUNSPECIFIED
http://link.aps.org/doi/10.1103/PhysRevC.64.014602PublisherUNSPECIFIED
Additional Information:© 2001 The American Physical Society. Received 15 September 2000; published 1 June 2001. We gratefully acknowledge the staff and management of Jefferson Laboratory for their efforts. This research was supported by the National Science Foundation, the U.S. Department of Energy, and the Swiss National Science Foundation.
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Department of Energy (DOE)UNSPECIFIED
Swiss National Science Foundation (SNSF)UNSPECIFIED
Classification Code:PACS: 25.30.Fj, 13.60.Hb
Record Number:CaltechAUTHORS:20111111-093149772
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20111111-093149772
Official Citation:x and ξ scaling of the nuclear structure function at large x J. Arrington et al. Published 1 June 2001 (5 pages) 014602
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:27744
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:11 Nov 2011 18:17
Last Modified:26 Dec 2012 14:24

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