Improved KL→π±e ν form factor and phase space integral with reduced model uncertainty

E. Abouzaid, M. Arenton, A. R. Barker, L. Bellantoni, A. Bellavance, E. Blucher, G. J. Bock, Elliott C Cheu, R. Coleman, M. D. Corcoran, B. Cox, A. R. Erwin, A. Glazov, A. Golossanov, Y. B. Hsiung, H. Huang, D. A. Jensen, R. Kessler, H. G E Kobrak, K. Kotera & 25 others A. Ledovskoy, P. L. McBride, E. Monnier, H. Nguyen, R. Niclasen, E. J. Ramberg, R. E. Ray, M. Ronquest, J. Shields, 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. Wilking, B. Winstein, R. Winston, E. T. Worcester, T. Yamanaka, E. D. Zimmerman

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Using the published KTeV sample of 2×106 KL→π±e ν decays and a new form factor expansion with a rigorous bound on higher order terms, we present a new determination of the KL→π±e ν form factor and phase space integral. Compared to the previous KTeV result, the uncertainty in the new form factor expansion is negligible and results in an overall uncertainty in the phase space integral (IKe) that is a factor of 2 smaller: IKe=0.15392±0.00048.

Original languageEnglish (US)
Article number097101
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume74
Issue number9
DOIs
StatePublished - 2006

Fingerprint

phase-space integral
Reduced Model
Model Uncertainty
Form Factors
form factors
Phase Space
Uncertainty
expansion
Decay
Higher Order
decay
Term

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Nuclear and High Energy Physics
  • Mathematical Physics

Cite this

Abouzaid, E., Arenton, M., Barker, A. R., Bellantoni, L., Bellavance, A., Blucher, E., ... Zimmerman, E. D. (2006). Improved KL→π±e ν form factor and phase space integral with reduced model uncertainty. Physical Review D - Particles, Fields, Gravitation and Cosmology, 74(9), [097101]. https://doi.org/10.1103/PhysRevD.74.097101

Improved KL→π±e ν form factor and phase space integral with reduced model uncertainty. / Abouzaid, E.; Arenton, M.; Barker, A. R.; Bellantoni, L.; Bellavance, A.; Blucher, E.; Bock, G. J.; Cheu, Elliott C; Coleman, R.; Corcoran, M. D.; Cox, B.; Erwin, A. R.; Glazov, A.; Golossanov, A.; Hsiung, Y. B.; Huang, H.; Jensen, D. A.; Kessler, R.; Kobrak, H. G E; Kotera, K.; Ledovskoy, A.; McBride, P. L.; Monnier, E.; Nguyen, H.; Niclasen, R.; Ramberg, E. J.; Ray, R. E.; Ronquest, M.; Shields, J.; Slater, W.; Smith, D.; Solomey, N.; Swallow, E. C.; Toale, P. A.; Tschirhart, R.; Wah, Y. W.; Wang, J.; White, H. B.; Whitmore, J.; Wilking, M.; Winstein, B.; Winston, R.; Worcester, E. T.; Yamanaka, T.; Zimmerman, E. D.

In: Physical Review D - Particles, Fields, Gravitation and Cosmology, Vol. 74, No. 9, 097101, 2006.

Research output: Contribution to journalArticle

Abouzaid, E, Arenton, M, Barker, AR, Bellantoni, L, Bellavance, A, Blucher, E, Bock, GJ, Cheu, EC, Coleman, R, Corcoran, MD, Cox, B, Erwin, AR, Glazov, A, Golossanov, A, Hsiung, YB, Huang, H, Jensen, DA, Kessler, R, Kobrak, HGE, Kotera, K, Ledovskoy, A, McBride, PL, Monnier, E, Nguyen, H, Niclasen, R, Ramberg, EJ, Ray, RE, Ronquest, M, Shields, J, Slater, W, Smith, D, Solomey, N, Swallow, EC, Toale, PA, Tschirhart, R, Wah, YW, Wang, J, White, HB, Whitmore, J, Wilking, M, Winstein, B, Winston, R, Worcester, ET, Yamanaka, T & Zimmerman, ED 2006, 'Improved KL→π±e ν form factor and phase space integral with reduced model uncertainty', Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 74, no. 9, 097101. https://doi.org/10.1103/PhysRevD.74.097101
Abouzaid, E. ; Arenton, M. ; Barker, A. R. ; Bellantoni, L. ; Bellavance, A. ; Blucher, E. ; Bock, G. J. ; Cheu, Elliott C ; Coleman, R. ; Corcoran, M. D. ; Cox, B. ; Erwin, A. R. ; Glazov, A. ; Golossanov, A. ; Hsiung, Y. B. ; Huang, H. ; Jensen, D. A. ; Kessler, R. ; Kobrak, H. G E ; Kotera, K. ; Ledovskoy, A. ; McBride, P. L. ; Monnier, E. ; Nguyen, H. ; Niclasen, R. ; Ramberg, E. J. ; Ray, R. E. ; Ronquest, M. ; Shields, J. ; Slater, W. ; Smith, D. ; Solomey, N. ; Swallow, E. C. ; Toale, P. A. ; Tschirhart, R. ; Wah, Y. W. ; Wang, J. ; White, H. B. ; Whitmore, J. ; Wilking, M. ; Winstein, B. ; Winston, R. ; Worcester, E. T. ; Yamanaka, T. ; Zimmerman, E. D. / Improved KL→π±e ν form factor and phase space integral with reduced model uncertainty. In: Physical Review D - Particles, Fields, Gravitation and Cosmology. 2006 ; Vol. 74, No. 9.
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AU - Jensen, D. A.

AU - Kessler, R.

AU - Kobrak, H. G E

AU - Kotera, K.

AU - Ledovskoy, A.

AU - McBride, P. L.

AU - Monnier, E.

AU - Nguyen, H.

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AU - Ramberg, E. J.

AU - Ray, R. E.

AU - Ronquest, M.

AU - Shields, J.

AU - Slater, W.

AU - Smith, D.

AU - Solomey, N.

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AU - Yamanaka, T.

AU - Zimmerman, E. D.

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