EPJ Web Conf.
Volume 158, 2017The XXIII International Workshop “High Energy Physics and Quantum Field Theory” (QFTHEP 2017)
|Number of page(s)||5|
|Section||Theoretical and Experimental Studies of Flavor Physics and Exotic States|
|Published online||24 October 2017|
Associated production of J/ψ and mesons and the prospects to observe a new hypothetical tetraquark state
P.N. Lebedev Institute of Physics, 53 Lenin Avenue, Moscow 119991, Russia
* e-mail: firstname.lastname@example.org
Published online: 24 October 2017
We propose a new mechanism for prompt simultaneous production of J/ψ and mesons in high energy hadronic collisions. The process is considered as a perturbative production of mesons followed by a long-distance final state interaction that rearranges the quarks to form J/ψ and mesons. Passing from configuration to J/ψ+ configuration may proceed via a hypothetical resonance state, the tetraquark. The goal of this work is to examine whether the respective cross section is large enough to encourage a direct search for the tetraquark at the LHC conditions (yes), and whether this hypothesis can help to explain recent D0 data without assigning an unusually low value to σeff in the double parton scattering mechanism (no).
© The authors, published by EDP Sciences, 2017
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