Acosta, D;
Affolder, T;
Akimoto, H;
Albrow, MG;
Ambrose, D;
Amidei, D;
Anikeev, K;
... CDF Collaboration; + view all
(2003)
Central pseudorapidity gaps in events with a leading antiproton at the Fermilab tevatron (p)over-barp collider.
PHYS REV LETT
, 91
(1)
, Article 011802. 10.1103/PhysRevLett.91.011802.
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Abstract
We report a measurement of the fraction of events with a large pseudorapidity gap Deltaeta within the pseudorapidity region available to the proton dissociation products X in (p) over bar +p-->(p) over bar +X. For a final state (p) over bar of fractional momentum loss xi((p) over bar) and 4-momentum transfer squared t((p) over bar) within 0.06<xi(p $$($) over bar)<0.09 and \t((p) over bar)\<1.0 [0.2] GeV2 at roots=1800 [630] GeV, the fraction of events with Deltaeta>3 is found to be 0.246+/-0.001 (stat)+/-0.042 (syst) [0.184+/-0.001 (stat)+/-0.043 (syst)]. Our results are compared with gap fractions measured in minimum bias (p) over barp collisions and with theoretical expectations.
Type: | Article |
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Title: | Central pseudorapidity gaps in events with a leading antiproton at the Fermilab tevatron (p)over-barp collider |
Open access status: | An open access version is available from UCL Discovery |
DOI: | 10.1103/PhysRevLett.91.011802 |
Publisher version: | http://dx.doi.org/10.1103/PhysRevLett.91.011802 |
Language: | English |
Additional information: | © 2003 The American Physical Society |
Keywords: | DIFFRACTION, POMERON, ROOT-S=546, COLLISIONS, PROTON |
UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy |
URI: | https://discovery.ucl.ac.uk/id/eprint/145084 |
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