Probing hard color-singlet exchange in pp̅ collisions at √s= 630 GeV and 1800 GeV

Abbott, B. ; Mondal, N. K. ; et., al (1998) Probing hard color-singlet exchange in pp̅ collisions at √s= 630 GeV and 1800 GeV Physics Letters B, 440 (1-2). pp. 189-202. ISSN 0370-2693

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Official URL: http://www.sciencedirect.com/science/article/pii/S...

Related URL: http://dx.doi.org/10.1016/S0370-2693(98)01238-6

Abstract

We present results on dijet production via hard color-singlet exchange in proton-antiproton collisions at √s= 630GeV and 1800 GeV using the D∅ detector. The fraction of dijet events produced via color-singlet exchange is measured as a function jet transverse energy, separation in pseudorapidity between the two highest transverse energy jets, and proton-antiproton center-of-mass energy. The results are consistent with a color-singlet fraction that increases with an increasing fraction of quark-initiated processes and inconsistent with two-gluon models for the hard color-singlet.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
ID Code:87346
Deposited On:17 Mar 2012 12:57
Last Modified:17 Mar 2012 12:57

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