Couplings between the and and 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:
-
- 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)
- Publication Date:
- Research Org.:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Nuclear Physics (NP)
- 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. https://doi.org/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. https://doi.org/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}
}
Web of Science
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