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Physical Review D
Article
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Physical Review D
Article . 2005 . Peer-reviewed
License: APS Licenses for Journal Article Re-use
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Charm meson resonances andD→Vsemileptonic form factors

Authors: Svjetlana Fajfer; Jernej F. Kamenik;

Charm meson resonances andD→Vsemileptonic form factors

Abstract

Using limits of large energy effective theory and heavy quark effective theory, we propose a simple parametrization of the heavy to light $H\ensuremath{\rightarrow}V$ semileptonic form factors. Then we reconsider $D\ensuremath{\rightarrow}V\ensuremath{\ell}{\ensuremath{\nu}}_{\ensuremath{\ell}}$ decays within a model which combines heavy meson and chiral symmetry. In our Lagrangians we include contributions coming from excited charm meson states, some of them recently observed. Within this framework we determine all parameters describing the shapes of the form factors and calculate branching ratios and helicity ratios for all $D\ensuremath{\rightarrow}V\ensuremath{\ell}{\ensuremath{\nu}}_{\ensuremath{\ell}}$ decays.

Related Organizations
Subjects by Vocabulary

Microsoft Academic Graph classification: Physics Semileptonic decay Particle physics Meson Branching fraction Helicity Excited state Effective field theory Bibliography Neutrino

Keywords

Nuclear and High Energy Physics

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  • citations
    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    37
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Average
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Top 10%
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Top 10%
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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
37
Average
Top 10%
Top 10%
bronze