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09 February 2025

» arxiv » 1109.0176

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Comparison of inclusive K+ production in proton-proton and proton-neutron collisions
Yu. Valdau ; V. Koptev ; S. Barsov ; M. Buescher ; A. Dzyuba ; M. Hartmann ; A. Kacharava ; I. Keshelashvili ; A. Khoukaz ; S. Mikirtychiants ; M. Nekipelov ; A. Polyanskiy ; F. Rathmann ; H. Stroeher ; Yu. N. Uzikov ; C. Wilkin ;
Date:	1 Sep 2011
Abstract:	The momentum spectra of K+ produced at small angles in proton-proton and proton-deuteron collisions have been measured at four beam energies, 1.826, 1.920, 2.020, and 2.650 GeV, using the ANKE spectrometer at COSY-Juelich. After making corrections for Fermi motion and shadowing, the data indicate that K+ production near threshold is stronger in pp- than in pn-induced reactions. However, most of this difference could be made up by the unobserved K0 production in the pn case.
Source:	arXiv, 1109.0176
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