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; E. 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; 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

doi:10.1103/PhysRevD.74.097101

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, E. 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. KoteraA. 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

Physics

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18 Scopus citations

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 language	English (US)
Article number	097101
Journal	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume	74
Issue number	9
DOIs	https://doi.org/10.1103/PhysRevD.74.097101
State	Published - 2006

ASJC Scopus subject areas

Nuclear and High Energy Physics
Physics and Astronomy (miscellaneous)

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10.1103/PhysRevD.74.097101

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Abouzaid, E., Arenton, M., Barker, A. R., Bellantoni, L., Bellavance, A., Blucher, E., Bock, G. J., Cheu, E., 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., ... 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), Article 097101. https://doi.org/10.1103/PhysRevD.74.097101

Abouzaid, E, Arenton, M, Barker, AR, Bellantoni, L, Bellavance, A, Blucher, E, Bock, GJ, Cheu, E, 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

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

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.",

author = "E. Abouzaid and M. Arenton and Barker, {A. R.} and L. Bellantoni and A. Bellavance and E. Blucher and Bock, {G. J.} and E. Cheu and R. Coleman and Corcoran, {M. D.} and B. Cox and Erwin, {A. R.} and A. Glazov and A. Golossanov and Hsiung, {Y. B.} and H. Huang and Jensen, {D. A.} and R. Kessler and Kobrak, {H. G.E.} and K. Kotera and A. Ledovskoy and McBride, {P. L.} and E. Monnier and H. Nguyen and R. Niclasen and Ramberg, {E. J.} and Ray, {R. E.} and M. Ronquest and J. Shields and W. Slater and D. Smith and N. Solomey and Swallow, {E. C.} and Toale, {P. A.} and R. Tschirhart and Wah, {Y. W.} and J. Wang and White, {H. B.} and J. Whitmore and M. Wilking and B. Winstein and R. Winston and Worcester, {E. T.} and T. Yamanaka and Zimmerman, {E. D.}",

year = "2006",

doi = "10.1103/PhysRevD.74.097101",

language = "English (US)",

volume = "74",

journal = "Physical Review D - Particles, Fields, Gravitation and Cosmology",

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T1 - Improved KL→π±e ν form factor and phase space integral with reduced model uncertainty

AU - Abouzaid, E.

AU - Arenton, M.

AU - Barker, A. R.

AU - Bellantoni, L.

AU - Bellavance, A.

AU - Blucher, E.

AU - Bock, G. J.

AU - Cheu, E.

AU - Coleman, R.

AU - Corcoran, M. D.

AU - Cox, B.

AU - Erwin, A. R.

AU - Glazov, A.

AU - Golossanov, A.

AU - Hsiung, Y. B.

AU - Huang, H.

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.

AU - Niclasen, R.

AU - Ramberg, E. J.

AU - Ray, R. E.

AU - Ronquest, M.

AU - Shields, J.

AU - Slater, W.

AU - Smith, D.

AU - Solomey, N.

AU - Swallow, E. C.

AU - Toale, P. A.

AU - Tschirhart, R.

AU - Wah, Y. W.

AU - Wang, J.

AU - White, H. B.

AU - Whitmore, J.

AU - Wilking, M.

AU - Winstein, B.

AU - Winston, R.

AU - Worcester, E. T.

AU - Yamanaka, T.

AU - Zimmerman, E. D.

PY - 2006

Y1 - 2006

N2 - 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.

AB - 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.

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DO - 10.1103/PhysRevD.74.097101

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JO - Physical Review D - Particles, Fields, Gravitation and Cosmology

JF - Physical Review D - Particles, Fields, Gravitation and Cosmology

IS - 9

M1 - 097101

ER -

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

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