Ωcγ→Ωc⁎ transition in lattice QCD
| Autor: | H. Bahtiyar, K.U. Can, G. Erkol, M. Oka |
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| Jazyk: | angličtina |
| Rok vydání: | 2015 |
| Předmět: | |
| Zdroj: | Physics Letters B, Vol 747, Iss C, Pp 281-286 (2015) |
| Druh dokumentu: | article |
| ISSN: | 0370-2693 1873-2445 |
| DOI: | 10.1016/j.physletb.2015.06.006 |
| Popis: | We study the electromagnetic Ωcγ→Ωc⁎ transition in 2+1 flavor lattice QCD, which gives access to the dominant decay mode of Ωc⁎ baryon. The magnetic dipole and the electric quadrupole transition form factors are computed. The magnetic dipole form factor is found to be mainly determined by the strange quark and the electric quadrupole form factor to be negligibly small, in consistency with the quark model. We also evaluate the helicity amplitudes and the decay rate. |
| Databáze: | Directory of Open Access Journals |
| Externí odkaz: |
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