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Title: Couplings between the ρ and D and D * mesons

Abstract

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.

Authors:
 [1];  [2];  [3];  [4]
  1. Univ. Cruzeiro do Sul, Sao Paulo (Brazil)
  2. National Univ. of Science and Technology, Islambad (Pakistan)
  3. Argonne National Lab. (ANL), Argonne, IL (United States)
  4. Univ. de Antioquia, Medellin (Colombia)
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
OSTI Identifier:
1372655
Alternate Identifier(s):
OSTI ID: 1345080
Grant/Contract Number:  
AC02-06CH11357
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review D
Additional Journal Information:
Journal Volume: 95; Journal Issue: 3; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

El-Bennich, Bruno, Paracha, M. Ali, Roberts, Craig D., and Rojas, Eduardo. Couplings between the ρ and D and D* mesons. United States: N. p., 2017. Web. doi:10.1103/PhysRevD.95.034037.
El-Bennich, Bruno, Paracha, M. Ali, Roberts, Craig D., & Rojas, Eduardo. Couplings between the ρ and D and D* mesons. United States. doi:10.1103/PhysRevD.95.034037.
El-Bennich, Bruno, Paracha, M. Ali, Roberts, Craig D., and Rojas, Eduardo. Mon . "Couplings between the ρ and D and D* mesons". United States. doi:10.1103/PhysRevD.95.034037. https://www.osti.gov/servlets/purl/1372655.
@article{osti_1372655,
title = {Couplings between the ρ and D and D* mesons},
author = {El-Bennich, Bruno and Paracha, M. Ali and Roberts, Craig D. and Rojas, Eduardo},
abstractNote = {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.},
doi = {10.1103/PhysRevD.95.034037},
journal = {Physical Review D},
number = 3,
volume = 95,
place = {United States},
year = {2017},
month = {2}
}

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