We report a study of the central exclusive production of π+π− and K+K− pairs in high energy hadron-hadron collisions. The amplitude is calculated in the Regge approach including both pomeron and secondary reggeon exchanges and absorption effects due to proton-proton interaction and ππ (KK) rescattering. We discuss a measurement of exclusive production of a scalar χc0 meson via χc0→π+π−, K+K− decay. We find that the relative contribution of resonance states and the ππ (KK) continuum strongly depend on the cut on pion (kaon) transverse momentum. We compare the results with the existing experimental data and present predictions for the RHIC, Tevatron and LHC colliders. We discuss also the f2 (1270) meson production mediated by an effective tensor pomeron exchanges.
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15 April 2013
DIFFRACTION 2012: International Workshop on Diffraction in High Energy Physics
10–15 September 2012
Puerto del Carmen, Lanzarote
Research Article|
April 15 2013
Exclusive production of meson pairs and resonances in proton-proton collisions
Piotr Lebiedowicz;
Piotr Lebiedowicz
Institute of Nuclear Physics PAN, PL-31-342 Cracow, Poland
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Antoni Szczurek
Antoni Szczurek
Institute of Nuclear Physics PAN, PL-31-342 Cracow, Poland and University of Rzeszów, PL-35-959 Rzeszów, Poland
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AIP Conf. Proc. 1523, 132–136 (2013)
Citation
Piotr Lebiedowicz, Antoni Szczurek; Exclusive production of meson pairs and resonances in proton-proton collisions. AIP Conf. Proc. 15 April 2013; 1523 (1): 132–136. https://doi.org/10.1063/1.4802134
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