| Home > Publications database > Forward K+ production in subthreshold pA collisions at 1.0 GeV |
| Journal Article | PreJuSER-24901 |
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2001
APS
College Park, Md.
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Please use a persistent id in citations: http://hdl.handle.net/2128/2269 doi:10.1103/PhysRevLett.87.022301
Abstract: K+-meson production in pA (A = C, Cu, Au) collisions has been studied using the ANKE spectrometer at an internal target position of the COSY-Julich accelerator. The complete momentum spectrum of kaons emitted at forward angles, theta less than or equal to 12 degrees, has been measured for a beam energy of T-p = 1.0 GeV, far below the free NN threshold of 1.58 GeV. The spectrum does not follow a thermal distribution at low kaon momenta and the larger moments reflect a high degree of collectivity in the target nucleus.
Keyword(s): p nucleus: inclusive reaction ; carbon ; copper ; gold ; K+: hadroproduction ; threshold ; production: small-angle ; K+: momentum spectrum ; dependence: mass number ; magnetic spectrometer: ANKE ; Juelich COSY PS ; 1 GeV
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