DOUBLE POMERON EXCHANGE STUDIES IN P-(P)OVER-BAR INTERACTIONS AT 0.63 TEV

被引：14

作者：

JOYCE, D

KERNAN, A

LINDGREN, M

SMITH, D

WIMPENNY, SJ

ALBROW, MG

DENBY, B

GRAYER, G

机构：

[1] UNIV CALIF RIVERSIDE, DEPT PHYS, RIVERSIDE, CA 92521 USA

[2] RUTHERFORD APPLETON LAB, DIDCOT OX11 0QX, OXON, ENGLAND

来源：

PHYSICAL REVIEW D | 1993年 / 48卷 / 05期

关键词：

D O I：

10.1103/PhysRevD.48.1943

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The properties of events having the topology and kinematic features of double Pomeron exchange are described. The data were taken at the CERN ppBAR collider at square-root sBAR =0.63 TeV in the UA1 detector. A calorimeter trigger was used to isolate events in which a central cluster of particles was separated from forward particles by large rapidity gaps. The invariant mass M of the central cluster (possibly a colliding Pomeron-Pomeron system) covers the range 10-70 GeV/c2. The M dependence of charged particle multiplicity distributions in these double Pomeron events is strikingly different from their square-root sBAR dependence in pp and ppBAR interactions.

引用

页码：1943 / 1948

页数：6

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