Unitary integration of quantum liouville-bloch equations

C. Bernard; T. DeGrand; C. DeTar; Steven Gottlieb; Urs M. Heller; J. E. Hetrick; N. Ishizuka; C. McNeile; R. Sugar; D. Toussaint; M. Wingate

doi:10.1103/PhysRevLett.81.4812

Unitary integration of quantum liouville-bloch equations

C. Bernard
, T. DeGrand
, C. DeTar
, Steven Gottlieb
, Urs M. Heller
, J. E. Hetrick
, N. Ishizuka
, C. McNeile
, R. Sugar
, D. Toussaint
, M. Wingate

Physics

Research output: Contribution to journal › Article › peer-review

73 Scopus citations

Abstract

We report on the MILC Collaboration’s calculation of f_B, f_{B_s}, f_D, f_{D_s}, and their ratios. Our central values come from the quenched approximation, but the quenching error is estimated from N_F = 2 dynamical staggered lattices. We use Wilson light valence quarks and Wilson and static heavy quarks. We find, for example, f_B = 157 ± 11₋₉₋₀⁺²⁵⁺²³MeV, f_B_s/f_B = 1.11 ± 0.02_−0.3^+0.04 ± 0.03, f_D_s = 210 ± 9₋₉₋₁⁺²⁵⁺¹⁷MeV, and f_B/f_D_s = 0.75 ± 0.03_{−0.02−0.00}^+0.04+0.08, where the errors are statistical, systematic (within the quenched approximation), and systematic (of quenching), respectively.

Original language	English (US)
Pages (from-to)	4812-4815
Number of pages	4
Journal	Physical review letters
Volume	81
Issue number	22
DOIs	https://doi.org/10.1103/PhysRevLett.81.4812
State	Published - Nov 30 1998

ASJC Scopus subject areas

General Physics and Astronomy

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10.1103/PhysRevLett.81.4812

Cite this

@article{475a86fc85e241cca31148cda66389ed,

title = "Unitary integration of quantum liouville-bloch equations",

abstract = "We report on the MILC Collaboration{\textquoteright}s calculation of fB, fBs, fD, fDs, and their ratios. Our central values come from the quenched approximation, but the quenching error is estimated from NF = 2 dynamical staggered lattices. We use Wilson light valence quarks and Wilson and static heavy quarks. We find, for example, fB = 157 ± 11−9−0+25+23MeV, fBs/fB = 1.11 ± 0.02−0.3+0.04 ± 0.03, fDs = 210 ± 9−9−1+25+17MeV, and fB/fDs = 0.75 ± 0.03−0.02−0.00+0.04+0.08, where the errors are statistical, systematic (within the quenched approximation), and systematic (of quenching), respectively.",

author = "C. Bernard and T. DeGrand and C. DeTar and Steven Gottlieb and Heller, \{Urs M.\} and Hetrick, \{J. E.\} and N. Ishizuka and C. McNeile and R. Sugar and D. Toussaint and M. Wingate",

year = "1998",

month = nov,

day = "30",

doi = "10.1103/PhysRevLett.81.4812",

language = "English (US)",

volume = "81",

pages = "4812--4815",

journal = "Physical review letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "22",

}

TY - JOUR

T1 - Unitary integration of quantum liouville-bloch equations

AU - Bernard, C.

AU - DeGrand, T.

AU - DeTar, C.

AU - Gottlieb, Steven

AU - Heller, Urs M.

AU - Hetrick, J. E.

AU - Ishizuka, N.

AU - McNeile, C.

AU - Sugar, R.

AU - Toussaint, D.

AU - Wingate, M.

PY - 1998/11/30

Y1 - 1998/11/30

N2 - We report on the MILC Collaboration’s calculation of fB, fBs, fD, fDs, and their ratios. Our central values come from the quenched approximation, but the quenching error is estimated from NF = 2 dynamical staggered lattices. We use Wilson light valence quarks and Wilson and static heavy quarks. We find, for example, fB = 157 ± 11−9−0+25+23MeV, fBs/fB = 1.11 ± 0.02−0.3+0.04 ± 0.03, fDs = 210 ± 9−9−1+25+17MeV, and fB/fDs = 0.75 ± 0.03−0.02−0.00+0.04+0.08, where the errors are statistical, systematic (within the quenched approximation), and systematic (of quenching), respectively.

AB - We report on the MILC Collaboration’s calculation of fB, fBs, fD, fDs, and their ratios. Our central values come from the quenched approximation, but the quenching error is estimated from NF = 2 dynamical staggered lattices. We use Wilson light valence quarks and Wilson and static heavy quarks. We find, for example, fB = 157 ± 11−9−0+25+23MeV, fBs/fB = 1.11 ± 0.02−0.3+0.04 ± 0.03, fDs = 210 ± 9−9−1+25+17MeV, and fB/fDs = 0.75 ± 0.03−0.02−0.00+0.04+0.08, where the errors are statistical, systematic (within the quenched approximation), and systematic (of quenching), respectively.

UR - https://www.scopus.com/pages/publications/0000897301

UR - https://www.scopus.com/pages/publications/0000897301#tab=citedBy

U2 - 10.1103/PhysRevLett.81.4812

DO - 10.1103/PhysRevLett.81.4812

M3 - Article

AN - SCOPUS:0000897301

SN - 0031-9007

VL - 81

SP - 4812

EP - 4815

JO - Physical review letters

JF - Physical review letters

IS - 22

ER -

Unitary integration of quantum liouville-bloch equations

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