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Soft and Hard Interactions in p anti-p Collisions at s**(1/2) = 1800 and 630 GeV

Lancaster, M; Waters, DCDFC; (2002) Soft and Hard Interactions in p anti-p Collisions at s**(1/2) = 1800 and 630 GeV. Physical Review D , 65 , Article 072005. 10.1103/PhysRevD.65.072005. Green open access

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Abstract

We present a study of pp̅ collisions at √s=1800 and 630 GeV collected using a minimum bias trigger by the CDF experiment in which the data set is divided into two classes corresponding to “soft” and “hard” interactions. For each subsample, the analysis includes measurements of the multiplicity, transverse momentum (pT) spectrum, and the average pT and event-by-event pT dispersion as a function of multiplicity. A comparison of results shows distinct differences in the behavior of the two samples as a function of the center of mass (c.m.) energy. We find evidence that the properties of the soft sample are invariant as a function of c.m. energy.

Type: Article
Title: Soft and Hard Interactions in p anti-p Collisions at s**(1/2) = 1800 and 630 GeV
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevD.65.072005
Publisher version: http://dx.doi.org/10.1103/PhysRevD.65.072005
Language: English
Additional information: © 2002 The American Physical Society
UCL classification: UCL
UCL > Provost and Vice Provost Offices
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/131977
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