Diffractive χ production at the Tevatron and the LHC

被引：26

作者：

Rangel, M. ^{[1
]}

Royon, C.

Alves, G.

Barreto, J.

Peschanski, R.

机构：

[1] Ctr Brasileiro Pesquisas Fis, LAFEX, Rio De Janeiro, Brazil

[2] CEA Saclay, Serv Phys Particules, F-91191 Gif Sur Yvette, France

[3] Univ Fed Rio de Janeiro, Inst Fis, BR-21941 Rio De Janeiro, Brazil

[4] CEA Saclay, Serv Phys Theor, F-91191 Gif Sur Yvette, France

来源：

NUCLEAR PHYSICS B | 2007年 / 774卷

关键词：

D O I：

10.1016/j.nuclphysb.2007.03.011

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

We present predictions for the diffractive production of chi mesons in the central rapidity region usually covered by collider detectors. The predicted cross sections are based on the Bialas-Landshoff formalism for both exclusive and inclusive productions and make use of the DPEMC Monte Carlo simulation adapted with kinematics appropriate for small-mass diffractive production. We compare generator-level results with a CDF measurement for exclusive chi production, and study background and other scenarios including the contribution of inclusive chi production. The results agree with the Tevatron data and are extrapolated, highlighting the exclusive chi(co) production at LHC energies. A possible new measurement at the Tevatron using the D empty set forward detectors is investigated, taking advantage of the dominance of exclusive production for high enough diffractive mass fraction. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：53 / 63

页数：11

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