J/ψ plus dijet associated production in two-photon collisions

被引：24

作者：

Klasen, M ^{[1
]}

Kniehl, BA ^{[1
]}

Mihaila, L ^{[1
]}

Steinhauser, M ^{[1
]}

机构：

[1] Univ Hamburg, Inst Theoret Phys 2, D-22761 Hamburg, Germany

来源：

NUCLEAR PHYSICS B | 2001年 / 609卷 / 03期

关键词：

D O I：

10.1016/S0550-3213(01)00318-2

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 study the production of a J/psi meson in association with one or two jets in gamma gamma collisions concentrating on the direct-photon contribution. which is expected to be dominant for large J/psi -meson transverse momentum and/or large dijet invariant mass. We work at leading order in the factorization formalism of nonrelativistic QCD and include all relevant colour-octet processes. We present distributions in J/psi -meson transverse momentum and rapidity appropriate for CERN LEP2, a future e(+)e(-) linear collider, and a possible gamma gamma collider mode of the latter. In the case of the e(+)e(-) linear collider, we assume the beamstrahlung spectrum appropriate for DESY TESLA. (C) 2001 Elsevier Science B.V. All rights reserved.

引用

页码：518 / 536

页数：19

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