Couplings between the ρ and D and D* mesons

El-Bennich, Bruno; Paracha, M. Ali; Roberts, Craig D.; Rojas, Eduardo

doi:10.1103/PhysRevD.95.034037

Title: Couplings between the $ρ$ and $D$ and $D^{*}$ mesons

Journal Article · 27 February 2017 · Physical Review D

DOI: https://doi.org/10.1103/PhysRevD.95.034037 · OSTI ID:1372655

El-Bennich, Bruno ^[1]; Paracha, M. Ali ^[2]; Roberts, Craig D. ^[3]; Rojas, Eduardo ^[4]

Univ. Cruzeiro do Sul, Sao Paulo (Brazil)
National Univ. of Science and Technology, Islambad (Pakistan)
Argonne National Lab. (ANL), Argonne, IL (United States)
Univ. de Antioquia, Medellin (Colombia)

In this paper, we compute couplings between the ρ-meson and D and D* mesons—D(*)ρD(*)—that are relevant to phenomenological meson-exchange models used to analyze nucleon–D-meson scattering and explore the possibility of exotic charmed nuclei. Our framework is built from elements constrained by Dyson-Schwinger equation studies in QCD, and therefore expresses a simultaneous description of light- and heavy-quarks and the states they constitute. We find that all interactions, including the three independent D*ρD* couplings, differ markedly amongst themselves in strength and also in range, as measured by their evolution with ρ-meson virtuality. As a consequence, it appears that one should be cautious in using a single coupling strength or parametrization for the study of interactions between D(*) mesons and matter.

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Research Organization:: Argonne National Laboratory (ANL), Argonne, IL (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Nuclear Physics (NP)

Grant/Contract Number:: AC02-06CH11357

OSTI ID:: 1372655

Alternate ID(s):: OSTI ID: 1345080

Journal Information:: Physical Review D, Vol. 95, Issue 3; ISSN 2470-0010

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 13 works

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