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Charmed hadron physics

Grant number: 15/50326-5
Support type:Regular Research Grants
Duration: February 01, 2016 - January 31, 2018
Field of knowledge:Physical Sciences and Mathematics - Physics - Elementary Particle Physics and Fields
Cooperation agreement: Universidad de Salamanca
Mobility Program: SPRINT - Projetos de pesquisa - Mobilidade
Principal researcher:Gastão Inácio Krein
Grantee:Gastão Inácio Krein
Principal researcher abroad: Alfredo Valcarce Mejia
Institution abroad: Universidad de Salamanca (USAL), Spain
Home Institution: Instituto de Física Teórica (IFT). Universidade Estadual Paulista (UNESP). Campus de São Paulo. São Paulo , SP, Brazil
Associated research grant:13/01907-0 - São Paulo Research and Analysis Center, AP.TEM


The understanding of the hadron-hadron interaction is an important topic nowadays. To encourage new experiments seeking for evidence of theoretical predictions, it is essential to make a detailed theoretical investigation of the possible existence of bound states and resonances, despite some uncertainty in contemporary interaction models. It is the purpose of this project to analyze the interaction of two hadrons with charm and its application to study the possible existence of hadronic molecules, either in the free space or in nuclear matter. When tackling this problem, one has to manage with an important difficulty, namely the complete lack of experimental data. Thus, the generalization of models describing the two-hadron interaction in the light flavor sector could offer insight about the unknown interaction of hadrons with heavy flavors. This research project pretends to advance on the knowledge of the interaction between hadrons with charm by means of the generalization of models successfully developed for light hadron systems. It will address the properties, and in particular, it will pursue the study of bound states and resonances, of two hadron systems with charm in the free space and in hot and dense matter. For this purpose, we will make use of microscopic quark models that will be generalized for nuclear matter by means of the Nambu-Jona-Lasinio scheme and QCD sum rules. The final goal is to obtain predictions that may be testable in experiments at the LHC and in the future European experiments at FAIR, and also at the Jefferson Lab, J-PARC or SuperB. (AU)

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Scientific publications (5)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
GARCILAZO, H.; VALCARCE, A.; VIJANDE, J. Stable bound states of N's, Lambda's and Xi's. REVISTA MEXICANA DE FISICA, v. 63, n. 5, p. 411-422, SEP-OCT 2017. Web of Science Citations: 0.
CARAMES, T. F.; VALCARCE, A. Multiquark study of exotic open bottom baryonic states. Physical Review D, v. 95, n. 9 MAY 19 2017. Web of Science Citations: 1.
GARCILAZO, H.; VALCARCE, A.; VIJANDE, J. Doubly heavy baryon spectra guided by lattice QCD. Physical Review D, v. 94, n. 7 OCT 3 2016. Web of Science Citations: 3.
CARAMES, T. F.; FONTOURA, C. E.; KREIN, G.; TSUSHIMA, K.; VIJANDE, J.; VALCARCE, A. Hadronic molecules with a (D)over-bar meson in a medium. Physical Review D, v. 94, n. 3 AUG 5 2016. Web of Science Citations: 8.
CARAMES, T. F.; VALCARCE, A. Hadronic resonances enhanced by thresholds. Physics Letters B, v. 758, p. 244-248, JUL 10 2016. Web of Science Citations: 5.

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