Vector Formfactors in Hard Pion Chiral Perturbation Theory.
Bijnens, Johan LU
and Jemos, Ilaria
LU
(2011)
In Nuclear Physics, Section B
846(2).
p.145-166
- Abstract
- We use three-flavour hard pion Chiral Perturbation Theory (HPChPT) in both the heavy meson and a relativistic formulation to calculate the chiral logarithms m(2) log (m(2)/mu(2)) contributing to the formfactors of the B-(s) -> pi, K, eta and D-(s) -> pi, K, eta transitions at momentum transfer q(2) away from the endpoint q(max)(2) = (m(B) - m(M))(2). We compare our results with CLEO D -> pi and D -> K data. We also calculate the Isgur-Wise function of the B-(s) -> D-(s) semileptonic decay away from the endpoint and the chiral logarithms for the pion and kaon electromagnetic formfactor. In two-flavour HPChPT we calculate the chiral logarithms for the pion vector and the scalar formfactors at s >> m(pi)(2). This allows... (More)
- We use three-flavour hard pion Chiral Perturbation Theory (HPChPT) in both the heavy meson and a relativistic formulation to calculate the chiral logarithms m(2) log (m(2)/mu(2)) contributing to the formfactors of the B-(s) -> pi, K, eta and D-(s) -> pi, K, eta transitions at momentum transfer q(2) away from the endpoint q(max)(2) = (m(B) - m(M))(2). We compare our results with CLEO D -> pi and D -> K data. We also calculate the Isgur-Wise function of the B-(s) -> D-(s) semileptonic decay away from the endpoint and the chiral logarithms for the pion and kaon electromagnetic formfactor. In two-flavour HPChPT we calculate the chiral logarithms for the pion vector and the scalar formfactors at s >> m(pi)(2). This allows us to test hard pion ChPT using the existing two-loop calculations for these quantities. (C) 2011 Elsevier B.V. All rights reserved. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/1890917
- author
- Bijnens, Johan
LU
and Jemos, Ilaria
LU
- organization
- publishing date
- 2011
- type
- Contribution to journal
- publication status
- published
- subject
- keywords
- Chiral Perturbation Theory, B and D meson semileptonic decays
- in
- Nuclear Physics, Section B
- volume
- 846
- issue
- 2
- pages
- 145 - 166
- publisher
- North-Holland
- external identifiers
-
- wos:000288151900001
- scopus:79952701690
- ISSN
- 0550-3213
- DOI
- 10.1016/j.nuclphysb.2010.12.012
- language
- English
- LU publication?
- yes
- id
- a8d72172-26aa-4d0f-8772-46d52fad3f52 (old id 1890917)
- date added to LUP
- 2016-04-01 14:08:25
- date last changed
- 2024-01-24 20:11:19
@article{a8d72172-26aa-4d0f-8772-46d52fad3f52,
abstract = {{We use three-flavour hard pion Chiral Perturbation Theory (HPChPT) in both the heavy meson and a relativistic formulation to calculate the chiral logarithms m(2) log (m(2)/mu(2)) contributing to the formfactors of the B-(s) -> pi, K, eta and D-(s) -> pi, K, eta transitions at momentum transfer q(2) away from the endpoint q(max)(2) = (m(B) - m(M))(2). We compare our results with CLEO D -> pi and D -> K data. We also calculate the Isgur-Wise function of the B-(s) -> D-(s) semileptonic decay away from the endpoint and the chiral logarithms for the pion and kaon electromagnetic formfactor. In two-flavour HPChPT we calculate the chiral logarithms for the pion vector and the scalar formfactors at s >> m(pi)(2). This allows us to test hard pion ChPT using the existing two-loop calculations for these quantities. (C) 2011 Elsevier B.V. All rights reserved.}},
author = {{Bijnens, Johan and Jemos, Ilaria}},
issn = {{0550-3213}},
keywords = {{Chiral Perturbation Theory; B and D meson semileptonic decays}},
language = {{eng}},
number = {{2}},
pages = {{145--166}},
publisher = {{North-Holland}},
series = {{Nuclear Physics, Section B}},
title = {{Vector Formfactors in Hard Pion Chiral Perturbation Theory.}},
url = {{http://dx.doi.org/10.1016/j.nuclphysb.2010.12.012}},
doi = {{10.1016/j.nuclphysb.2010.12.012}},
volume = {{846}},
year = {{2011}},
}