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Published January 11, 2012 | Published
Journal Article Open

Semi-inclusive charged-pion electroproduction off protons and deuterons: Cross sections, ratios, and access to the quark-parton model at low energies

Abstract

A large set of cross sections for semi-inclusive electroproduction of charged pions (π^±) from both proton and deuteron targets was measured. The data are in the deep-inelastic scattering region with invariant mass squared W^2>4 GeV^2 (up to ≈7 GeV^2) and range in four-momentum transfer squared 2

Additional Information

© 2012 American Physical Society. Received 7 March 2011; revised 9 November 2011; published 11 January 2012. The authors wish to thank H. Avakian, A. Afanasev, A. Bruell, C. E. Carlson, W. Melnitchouk, and M. Schlegel for discussions and for many useful suggestions. This work is supported in part by research grants from the US Department of Energy DE-FG02-99ER-41065 (Florida International University), DE-AC02-06CH11357 (Argonne National Laboratory), DE-FG02-04ER41330 (Mississippi State University), and the US National Science Foundation Grants No. 0072466 and 0347438 (North Carolina A&T State University) and 0400332 and 0653508 (Hampton University). We acknowledge support from the Natural Sciences and Engineering Research Council of Canada (University of Regina) and the South African National Research Foundation (University of Johannesburg). The Southeastern Universities Research Association operates the Thomas Jefferson National Accelerator Facility under the US Department of Energy Contract No. DEAC05-84ER40150.

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August 19, 2023
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