Exclusive meson pair production in proton-proton collisions

被引：0
|
作者：
Lebiedowicz, Piotr [1 ]
Szczurek, Antoni [1 ]
机构：
[1] Inst Nucl Phys PAN, PL-31342 Krakow, Poland
来源：
MESON 2012 - 12TH INTERNATIONAL WORKSHOP ON PRODUCTION, PROPERTIES AND INTERACTION OF MESONS | 2012年 / 37卷
关键词：
D O I：
10.1051/epjconf/20123706001
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 a study of the exclusive production of meson pairs in the four-body pp -> pp pi(+)pi(-), ppK(+)K(-) reactions at high energies which constitute an irreducible background to resonance states (e.g. phi, f(2)(1270), f(0)(1500), f(2)'(1525), chi(c0)). We consider central diffractive contribution mediated by Pomeron and Reggeon exchanges and new diffractive mechanism of emission of pions/kaons from the proton lines. We include absorption effects due to proton-proton interaction and pion/kaon rescattering. Predictions for the total cross section and differential distributions in pion/kaon rapidity and transverse momentum as well as two-pion/kaon invariant mass are presented for the RHIC, Tevatron and LHC colliders. Finally we consider a measurement of exclusive production of a scalar chi(c0) meson via chi(c0) -> pi(+)pi(-), K+K- decay.
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页数：5
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