QCD sum rule study for a possible charmed pentaquark Θc(3250) (2013)
- Authors:
- USP affiliated author: NIELSEN, MARINA - IF
- School: IF
- Subject: CROMODINÂMICA QUÂNTICA
- Language: Inglês
- Abstract: We use QCD sum rules to study the possible existence of a Θc(3250) charmed pentaquark. We consider the contributions of condensates up to dimension-10 and work at leading order in αs. We obtain mΘc = (3.21 ± 0.13) GeV, compatible with the mass of the structure seen by BaBar Collaboration in the decay channel B − → p¯ Σ ++ c π −π −. The proposed state is compatible with a previous proposed pentaquark state in the anti-charmed sector.
- Imprenta:
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ABNT
ALBUQUERQUE, Raphael Moreira de e LEE, Su Houng e NIELSEN, Marina. QCD sum rule study for a possible charmed pentaquark Θc(3250). . São Paulo: Instituto de Física, Universidade de São Paulo. . Acesso em: 12 ago. 2022. , 2013 -
APA
Albuquerque, R. M. de, Lee, S. H., & Nielsen, M. (2013). QCD sum rule study for a possible charmed pentaquark Θc(3250). São Paulo: Instituto de Física, Universidade de São Paulo. -
NLM
Albuquerque RM de, Lee SH, Nielsen M. QCD sum rule study for a possible charmed pentaquark Θc(3250). 2013 ;[citado 2022 ago. 12 ] -
Vancouver
Albuquerque RM de, Lee SH, Nielsen M. QCD sum rule study for a possible charmed pentaquark Θc(3250). 2013 ;[citado 2022 ago. 12 ] - J/'psi'-kaon cross section in meson exchange model
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