K-l3 decays in chiral perturbation theory
(2003) In Nuclear Physics, Section B 669(1-2). p.341-362- Abstract
- The process K-l3 is calculated to two-loop order (p(6)) in chiral perturbation theory (ChPT) in the isospin conserved case. We present expressions suitable for use with previous work in two-loop ChPT where the order p(4) parameters (L-i(r)) were determined from experiment. We point out that all the order p(6) parameters (C-i(r)) that appear in the value of f(+)(0) relevant for the determination of V-us can be determined from K-l3 measurements via the slope and the curvature of the scalar form-factor. As by product we update the value of the CKM matrix element V-us. (C) 2003 Elsevier B.V. All rights reserved.
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/299694
- author
- Bijnens, Johan LU and Talavera, P
- organization
- publishing date
- 2003
- type
- Contribution to journal
- publication status
- published
- subject
- in
- Nuclear Physics, Section B
- volume
- 669
- issue
- 1-2
- pages
- 341 - 362
- publisher
- North-Holland
- external identifiers
-
- wos:000185587500014
- scopus:0042384377
- ISSN
- 0550-3213
- DOI
- 10.1016/S0550-3213(03)00581-9
- language
- English
- LU publication?
- yes
- id
- ef333eff-cdb9-4121-82da-03961093cb20 (old id 299694)
- date added to LUP
- 2016-04-01 17:13:25
- date last changed
- 2024-02-27 14:05:55
@article{ef333eff-cdb9-4121-82da-03961093cb20, abstract = {{The process K-l3 is calculated to two-loop order (p(6)) in chiral perturbation theory (ChPT) in the isospin conserved case. We present expressions suitable for use with previous work in two-loop ChPT where the order p(4) parameters (L-i(r)) were determined from experiment. We point out that all the order p(6) parameters (C-i(r)) that appear in the value of f(+)(0) relevant for the determination of V-us can be determined from K-l3 measurements via the slope and the curvature of the scalar form-factor. As by product we update the value of the CKM matrix element V-us. (C) 2003 Elsevier B.V. All rights reserved.}}, author = {{Bijnens, Johan and Talavera, P}}, issn = {{0550-3213}}, language = {{eng}}, number = {{1-2}}, pages = {{341--362}}, publisher = {{North-Holland}}, series = {{Nuclear Physics, Section B}}, title = {{K-l3 decays in chiral perturbation theory}}, url = {{http://dx.doi.org/10.1016/S0550-3213(03)00581-9}}, doi = {{10.1016/S0550-3213(03)00581-9}}, volume = {{669}}, year = {{2003}}, }