Aguilar-Benitez, M. ; Allison, W. W. M. ; Bailly, J. L. ; Gurtu, A. ; et., al (1988) D-meson production from 400 GeV pp interactions - evidence for leading diquarks? Physics Letters B, 201 (1). pp. 176-182. ISSN 0370-2693
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Official URL: http://www.sciencedirect.com/science/article/pii/0...
Related URL: http://dx.doi.org/10.1016/0370-2693(88)90103-7
Abstract
Results of fitting the differential distributions in xF and p2T of D mesons produced in 400 GeV/c p-p interactions to the form d2σ/dxFd p2Tα(1-xF)n exp[−(p2T/‹p2T›)] are discussed. The D+ distribution is found to be relatively hard [n=3.1±0.8≶Pt2≶=1.32±0.27 (GeV/c)2] and the D0 distribution relatively soft [n=8.1±1.9,≶pT2≶=0.62±0.14 (GeV/c)2] compared to the average for all D's [n=4.9±0.5,≶pT2≶=0.99±0.10 (GeV/c)2]. It is suggested that these distributions could reflect contribution of leading di-quarks in pp collisions. Comparison is made with evidence for leading quarks in charm production in 360 GeV/cπ̅p interactions.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 83626 |
| Deposited On: | 21 Feb 2012 14:45 |
| Last Modified: | 21 Feb 2012 14:45 |
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