Dispersive analysis of K_{L mu3} and K_{L e3} scalar and vector form factors using KTeV data

V. Bernard; M. Oertel; E. Passemar; J. Stern; E. Abouzaid; M. Arenton; A.R. Barker; L. Bellantoni; E. Blucher; G. J. Bock; E. Cheu; R. Coleman; M.D. Corcoran; B. Cox; A.R. Erwin; C.O. Escobar; A. Glazov; R.A. Gomes; P. Gouffon; Y. B. Hsiung; D.A. Jensen; R. Kessler; K. Kotera; A. Ledovskoy; P. L. Mcbride; E. Monnier; H. Nguyen; R. Niclasen; D.G. Phillips; E.J. Ramberg; R.E. Ray; M. Ronquest; E. Santos; W. Slater; D. Smith; N. Solomey; E. C. Swallow; P. A. Toale; R. Tschirhart; Y. W. Wah; J. Wang; H. B. White; J. Whitmore; M. J. Wilking; R. Winston; E.T. Worcester; T. Yamanaka; E. D. Zimmerman; R.F. Zukanovich

doi:10.1103/PhysRevD.81.052001

Journal Articles Physical Review D Year : 2010

Dispersive analysis of K_{L mu3} and K_{L e3} scalar and vector form factors using KTeV data

(1) , (2) , (1) , (1) , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,

1
2

V. Bernard

Function : Author

Institut de Physique Nucléaire d'Orsay

M. Oertel

Function : Author

Laboratoire Univers et Théories

E. Passemar

Function : Author

Institut de Physique Nucléaire d'Orsay

J. Stern

Function : Author

Institut de Physique Nucléaire d'Orsay

E. Abouzaid

Function : Author

M. Arenton

Function : Author

A.R. Barker

Function : Author

L. Bellantoni

Function : Author

E. Blucher

Function : Author

G. J. Bock

Function : Author

E. Cheu

Function : Author

R. Coleman

Function : Author

M.D. Corcoran

Function : Author

B. Cox

Function : Author

A.R. Erwin

Function : Author

C.O. Escobar

Function : Author

A. Glazov

Function : Author

R.A. Gomes

Function : Author

P. Gouffon

Function : Author

Y. B. Hsiung

Function : Author

D.A. Jensen

Function : Author

R. Kessler

Function : Author

K. Kotera

Function : Author

A. Ledovskoy

Function : Author

P. L. Mcbride

Function : Author

E. Monnier

Function : Author

H. Nguyen

Function : Author
PersonId : 755296
ORCID : 0000-0003-2524-7790

R. Niclasen

Function : Author

D.G. Phillips

Function : Author

E.J. Ramberg

Function : Author

R.E. Ray

Function : Author

M. Ronquest

Function : Author

E. Santos

Function : Author

W. Slater

Function : Author

D. Smith

Function : Author

N. Solomey

Function : Author

E. C. Swallow

Function : Author

P. A. Toale

Function : Author

R. Tschirhart

Function : Author

Y. W. Wah

Function : Author

J. Wang

Function : Author

H. B. White

Function : Author

J. Whitmore

Function : Author

M. J. Wilking

Function : Author

R. Winston

Function : Author

E.T. Worcester

Function : Author

T. Yamanaka

Function : Author

E. D. Zimmerman

Function : Author

R.F. Zukanovich

Function : Author

Abstract

Using the published KTeV samples of K_L --> pi^{\pm} e^{\mp} nu and K_L --> pi^{\pm} mu^{\mp} nu decays [1], we perform a reanalysis of the scalar and vector form factors based on the dispersive parameterization [2,3]. We obtain phase space integrals I^e_K = 0.15446 \pm 0.00025 and I^{mu}_K = 0.10219 \pm 0.00025. For the scalar form factor parameterization, the only free parameter is the normalized form factor value at the Callan-Treiman point (C); our best fit results in ln C = 0.1915 \pm 0.0122. We also study the sensitivity of C to different parametrizations of the vector form factor. The results for the phase space integrals and C are then used to make tests of the Standard Model. Finally, we compare our results with lattice QCD calculations of F_K/F_pi and f_+(0).

Domains

High Energy Physics - Experiment [hep-ex]

Sophie Heurteau : Connect in order to contact the contributor

https://hal.in2p3.fr/in2p3-00454551

Submitted on : Tuesday, February 9, 2010-2:51:05 PM

Last modification on : Friday, June 2, 2023-3:36:25 PM

Dates and versions

in2p3-00454551 , version 1 (09-02-2010)

Identifiers

HAL Id : in2p3-00454551 , version 1
ARXIV : 0912.1291
DOI : 10.1103/PhysRevD.81.052001

Cite

V. Bernard, M. Oertel, E. Passemar, J. Stern, E. Abouzaid, et al.. Dispersive analysis of K_{L mu3} and K_{L e3} scalar and vector form factors using KTeV data. Physical Review D, 2010, 81, pp.052001. ⟨10.1103/PhysRevD.81.052001⟩. ⟨in2p3-00454551⟩

Export

BibTeX XML-TEI Dublin Core DC Terms EndNote DataCite

Collections

IN2P3 OBSPM INSU UNIV-PARIS7 IPNO CNRS LUTH PSL UNIV-PARIS-SACLAY UP-SCIENCES

9 View

0 Download

Dispersive analysis of K_{L mu3} and K_{L e3} scalar and vector form factors using KTeV data

Abstract

Domains

Dates and versions

Identifiers

Cite

Export

Collections

Altmetric

Share