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Pregled bibliografske jedinice broj: 203779

Časopis

Autori: Babić, Ana; Guberina, Branko; Melić, Blaženka; Štefančić, Hrvoje
Naslov: Cabibbo-suppressed decays of the Omega_c^0 - feedback to the Xi_c^+ lifetime
Izvornik: Physical review. D, Particles, fields, gravitation, and cosmology (1550-7998) 70 (2004); 117501-1-117501-4
Vrsta rada: članak
Ključne riječi: Cabibbo-suppressed; decay
Sažetak:
We investigate a possible background of the type Omega_c^0 --> Xi_c^+ pi^- to the CLEO Xi_c^+ lifetime measurement. This decay mode may lead to an overestimate of the Xi_c^+ decay length and, therefore, increase the measured Xi_c^+ lifetime. The branching ratio Gamma(Omega_c^0 --> Xi_c^+ pi^-)/Gamma(Omega_c^0 --> Omega^- pi^+) is analyzed in the framework of the pole model and the modified current algebra. We find that the Omega_c^0 --> Xi_c^+ pi^- decay mode could not generate a substantial systematic error in the Xi_c^+ lifetime measurement. Also, it cannot significantly reduce the disagreement between theoretical and experimental values of the Xi_c^+ lifetime.
Projekt / tema: 0098002
Izvorni jezik: ENG
Rad je indeksiran u
bazama podataka:
Current Contents Connect (CCC)
Scopus
SCI-EXP, SSCI i/ili A&HCI
Kategorija: Znanstveni
Znanstvena područja:
Fizika
URL Internet adrese: http://fulir.irb.hr/543/1/Caribbo-suppressed_decays.pdf
Broj citata:
Altmetric:
DOI: 10.1103/PhysRevD.70.11750
URL cjelovitog teksta:
Google Scholar: Cabibbo-suppressed decays of the Omega_c^0 - feedback to the Xi_c^+ lifetime



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