Kl3 form factor with Nf = 2 + 1 dynamical domain wall fermions: A progress report

D. J. Antonio; P. A. Boyle; C. Dawson; T. Izubuchi; A. Jüttner; C. Sachrajda; S. Sasaki; A. Soni; R. J. Tweedie; J. M. Zanotti

K_l3 form factor with N_f = 2 + 1 dynamical domain wall fermions: A progress report

D. J. Antonio, P. A. Boyle, C. Dawson, T. Izubuchi, A. Jüttner, C. Sachrajda, S. Sasaki, A. Soni, R. J. Tweedie, J. M. Zanotti

Research output: Contribution to conference › Paper › peer-review

Abstract

We present the latest results from the UKQCD/RBC collaborations for the K_l3 form factor with 2 + 1 flavours of dynamical domain wall quarks. Simulations are performed on 16³ × 32 × 16 and 243 × 64 × 16 lattices with three values of the light quark mass, allowing for an extrapolation to the chiral limit. After interpolating to zero momentum transfer, we obtain the preliminary result f₊ ^Kπ (0) = 0.9609(51) (or Δf = -0.0161(51)), which is in agreement with the result of Leutwyler & Roos.

Original language	English
Publication status	Published - 2006 Dec 1
Externally published	Yes
Event	4th International Workshop on the CKM Unitarity Triangle, CKM 2006 - Nagoya, Japan Duration: 2006 Dec 12 → 2006 Dec 16

Other

Other	4th International Workshop on the CKM Unitarity Triangle, CKM 2006
Country	Japan
City	Nagoya
Period	06/12/12 → 06/12/16

ASJC Scopus subject areas

Mathematics (miscellaneous)

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K_l3 form factor with N_f = 2 + 1 dynamical domain wall fermions : A progress report. / Antonio, D. J.; Boyle, P. A.; Dawson, C.; Izubuchi, T.; Jüttner, A.; Sachrajda, C.; Sasaki, S.; Soni, A.; Tweedie, R. J.; Zanotti, J. M.

2006. Paper presented at 4th International Workshop on the CKM Unitarity Triangle, CKM 2006, Nagoya, Japan.

Research output: Contribution to conference › Paper › peer-review

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title = "Kl3 form factor with Nf = 2 + 1 dynamical domain wall fermions: A progress report",

abstract = "We present the latest results from the UKQCD/RBC collaborations for the Kl3 form factor with 2 + 1 flavours of dynamical domain wall quarks. Simulations are performed on 163 × 32 × 16 and 243 × 64 × 16 lattices with three values of the light quark mass, allowing for an extrapolation to the chiral limit. After interpolating to zero momentum transfer, we obtain the preliminary result f+ Kπ (0) = 0.9609(51) (or Δf = -0.0161(51)), which is in agreement with the result of Leutwyler & Roos.",

author = "Antonio, {D. J.} and Boyle, {P. A.} and C. Dawson and T. Izubuchi and A. J{\"u}ttner and C. Sachrajda and S. Sasaki and A. Soni and Tweedie, {R. J.} and Zanotti, {J. M.}",

year = "2006",

month = dec,

day = "1",

language = "English",

note = "4th International Workshop on the CKM Unitarity Triangle, CKM 2006 ; Conference date: 12-12-2006 Through 16-12-2006",

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T1 - Kl3 form factor with Nf = 2 + 1 dynamical domain wall fermions

T2 - 4th International Workshop on the CKM Unitarity Triangle, CKM 2006

AU - Antonio, D. J.

AU - Boyle, P. A.

AU - Dawson, C.

AU - Izubuchi, T.

AU - Jüttner, A.

AU - Sachrajda, C.

AU - Sasaki, S.

AU - Soni, A.

AU - Tweedie, R. J.

AU - Zanotti, J. M.

PY - 2006/12/1

Y1 - 2006/12/1

N2 - We present the latest results from the UKQCD/RBC collaborations for the Kl3 form factor with 2 + 1 flavours of dynamical domain wall quarks. Simulations are performed on 163 × 32 × 16 and 243 × 64 × 16 lattices with three values of the light quark mass, allowing for an extrapolation to the chiral limit. After interpolating to zero momentum transfer, we obtain the preliminary result f+ Kπ (0) = 0.9609(51) (or Δf = -0.0161(51)), which is in agreement with the result of Leutwyler & Roos.

AB - We present the latest results from the UKQCD/RBC collaborations for the Kl3 form factor with 2 + 1 flavours of dynamical domain wall quarks. Simulations are performed on 163 × 32 × 16 and 243 × 64 × 16 lattices with three values of the light quark mass, allowing for an extrapolation to the chiral limit. After interpolating to zero momentum transfer, we obtain the preliminary result f+ Kπ (0) = 0.9609(51) (or Δf = -0.0161(51)), which is in agreement with the result of Leutwyler & Roos.

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Y2 - 12 December 2006 through 16 December 2006