Light-cone expansion of heavy-to-light form factors
| dc.creator | Lucha, Wolfgang | |
| dc.creator | Melikhov, Dmitri | |
| dc.creator | Simula, Silvano | |
| dc.date | 2008-08-27 | |
| dc.date.accessioned | 2026-07-07T09:58:49Z | |
| dc.date.available | 2026-07-07T09:58:49Z | |
| dc.description | We present the results of our recent systematic study of the light-cone expansion of heavy-to-light transition form factors in a model with scalar constituents [1]. We show that the higher-twist contributions (represented in this model by off-light-cone effects) all have the same behaviour in the 1/m_Q expansion. The suppression parameter of the higher-twist contributions compared to the lower-twist contributions is, in general, the inverse Borel parameter β. The only exception here is the case of the leading and the subleading twists: they are of the same order in 1/βbecause of an extra suppression of the leading-twist contribution to the form factor. | |
| dc.description | 3 pages, Talk given at XIII International Conference "Selected Problems of Modern Theoretical Physics", Dubna, Russia, June 23-27, 2008 | |
| dc.identifier | https://arxiv.org/abs/0808.3791 | |
| dc.identifier | http://arxiv.org/abs/0808.3791 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/167858 | |
| dc.subject | High Energy Physics - Phenomenology | |
| dc.title | Light-cone expansion of heavy-to-light form factors | |
| dc.type | text |