Multiplicity in proton-nucleus interactions at 200 GeV/c

Gurtu, A. ; Malhotra, P. K. ; Mittra, I. S. ; Sood, P. M. ; Gupta, S. C. ; Gupta, V. K. ; Kaul, G. L. ; Mangotra, L. K. ; Prakash, Y. ; Rao, N. K. ; Sharma, M. K. (1974) Multiplicity in proton-nucleus interactions at 200 GeV/c Physics Letters B: Nuclear Physics and Particle Physics, 50 (3). pp. 391-395. ISSN 0370-2693

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Experimental results on multiparticle production in proton-nucleus collisions based on an exposure of emulsion stack to 200 GeV/c proton beam at NAL are presented. It is found that the average charged particle multiplicity <ns> = 13.0 ± 0.4 D =(<n2s> - <ns>2)½ = 8.5 ± 0.4 and <N1> = 7.3 ± 0.2 . Energy dependence of Rem = <ns>/<nch>, where nch is the charged particle multiplicity in pp collisions, is investigated in the range 7.1-8000 GeV/c. Rem attains a constant value of 1.71 ± 0.04 beyond 200 GeV/c and furthermore this value of Rem implies an A dependence RA = A0.13. It is found that even for p-nucleus collisions D increases linearly with <ns> with about the same slope as for pp collisions.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
ID Code:11564
Deposited On:16 Nov 2010 13:46
Last Modified:02 Jun 2011 11:05

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