Impact of unitarization on the J/ψ-light meson cross section
- 1. Instituto de Física, Universidade Federal da Bahia, 40170-115, Salvador, BA (Brazil)
- 2. Centro Brasileiro de Pesquisas Físicas/MCTI, 22290-180, Rio de Janeiro, RJ (Brazil)
Description
Hidden charm mesons continue playing an essential role as relevant probes to understand the evolution of partonic matter. It is expected that the charmonia that survived the quark-gluon plasma phase suffer collisions with other particles composing the hadronic matter. In this work, we intend to contribute on this subject by presenting an updated study about the interactions of with surrounding hadronic medium. The meson-meson interactions are described with a effective Lagrangian, and within the framework of unitarized coupled channel amplitudes projected onto s-wave. The symmetry is explicitly broken to by suppression of the interactions driven by charmed mesons. We calculate the cross sections for scattering by light pseudoscalar mesons () and vector mesons (), as well as their inverse processes. Keeping the validity of this present approach in the low CM energy range, the most relevant channels are evaluated and a comparison of the findings with existing literature is performed.
Availability note (English)
Available from http://dx.doi.org/10.1016/j.nuclphysa.2018.08.001Additional details
Additional titles
- Augmented title (English)
- KEYWORDS: CHIRAL PERTURBATION THEORY;CHARMONIA STATES;MESON-MESON INTERACTIONS
Identifiers
- DOI
- 10.1016/j.nuclphysa.2018.08.001;
- arXiv
- arXiv:1808.02115v1;
- PII
- S0375947418301374;
Publishing Information
- Journal Title
- Nuclear Physics. A
- Journal Volume
- 978
- Journal Page Range
- p. 107-122
- ISSN
- 0375-9474
- CODEN
- NUPABL
INIS
- Country of Publication
- Netherlands
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 51051355
- Subject category
- S73: NUCLEAR PHYSICS AND RADIATION PHYSICS;
- Descriptors DEI
- CHARMED MESONS; COUPLED CHANNEL THEORY; CROSS SECTIONS; ENERGY RANGE; J PSI-3097 MESONS; LAGRANGIAN FUNCTION; MESON-MESON INTERACTIONS; PERTURBATION THEORY; QUARK MATTER; S WAVES
- Descriptors DEC
- BOSONS; CHARM PARTICLES; CHARMONIUM; ELEMENTARY PARTICLES; FUNCTIONS; HADRON-HADRON INTERACTIONS; HADRONS; INTERACTIONS; MATTER; MESONS; PARTIAL WAVES; PARTICLE INTERACTIONS; QUARKONIUM; VECTOR MESONS
Optional Information
- Notes
- © 2018 Elsevier B.V. All rights reserved.