Towards a next-to-next-to-leading order analysis of matching in B0−B¯0 mixing

Standard

Towards a next-to-next-to-leading order analysis of matching in B0−B¯0 mixing. / Grozin, Andrey G.; Mannel, Thomas; Pivovarov, Alexei A.

In: Physical Review D, Vol. 96, No. 7, 074032, 30.10.2017.

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

Harvard

Grozin, AG, Mannel, T & Pivovarov, AA 2017, 'Towards a next-to-next-to-leading order analysis of matching in B0−B¯0 mixing', Physical Review D, vol. 96, no. 7, 074032. https://doi.org/10.1103/PhysRevD.96.074032

APA

Grozin, A. G., Mannel, T., & Pivovarov, A. A. (2017). Towards a next-to-next-to-leading order analysis of matching in B0−B¯0 mixing. Physical Review D, 96(7), [074032]. https://doi.org/10.1103/PhysRevD.96.074032

Vancouver

Grozin AG, Mannel T, Pivovarov AA. Towards a next-to-next-to-leading order analysis of matching in B0−B¯0 mixing. Physical Review D. 2017 Oct 30;96(7):074032. doi: 10.1103/PhysRevD.96.074032

Author

Grozin, Andrey G. ; Mannel, Thomas ; Pivovarov, Alexei A. / Towards a next-to-next-to-leading order analysis of matching in B0−B¯0 mixing. In: Physical Review D. 2017 ; Vol. 96, No. 7.

BibTeX

@article{9e86f11d228d4835ba33306525b261d0,

title = "Towards a next-to-next-to-leading order analysis of matching in B0−B¯0 mixing",

abstract = "We compute perturbative corrections to matching coefficients of QCD to heavy quark effective theory (HQET) for the matrix element of the ΔB=2 operator that determines the mass difference in B0-B0 system of states. This involves the technical point of choosing the operator basis in HQET, separating physical operators from evanescent ones. We obtain an analytical result for some of the two-loop corrections at order αs2.",

keywords = "EFFECTIVE FIELD-THEORY, ANOMALOUS DIMENSIONS, WEAK DECAYS, 4-FERMION OPERATORS, QCD CORRECTIONS, RENORMALIZATION, PARAMETER, CURRENTS, REGULARIZATION, LIGHT",

author = "Grozin, {Andrey G.} and Thomas Mannel and Pivovarov, {Alexei A.}",

note = "Publisher Copyright: {\textcopyright} 2017 American Physical Society.",

year = "2017",

month = oct,

day = "30",

doi = "10.1103/PhysRevD.96.074032",

language = "English",

volume = "96",

journal = "Physical Review D",

issn = "2470-0010",

publisher = "AMER PHYSICAL SOC",

number = "7",

}

RIS

TY - JOUR

T1 - Towards a next-to-next-to-leading order analysis of matching in B0−B¯0 mixing

AU - Grozin, Andrey G.

AU - Mannel, Thomas

AU - Pivovarov, Alexei A.

PY - 2017/10/30

Y1 - 2017/10/30

N2 - We compute perturbative corrections to matching coefficients of QCD to heavy quark effective theory (HQET) for the matrix element of the ΔB=2 operator that determines the mass difference in B0-B0 system of states. This involves the technical point of choosing the operator basis in HQET, separating physical operators from evanescent ones. We obtain an analytical result for some of the two-loop corrections at order αs2.

AB - We compute perturbative corrections to matching coefficients of QCD to heavy quark effective theory (HQET) for the matrix element of the ΔB=2 operator that determines the mass difference in B0-B0 system of states. This involves the technical point of choosing the operator basis in HQET, separating physical operators from evanescent ones. We obtain an analytical result for some of the two-loop corrections at order αs2.

KW - EFFECTIVE FIELD-THEORY

KW - ANOMALOUS DIMENSIONS

KW - WEAK DECAYS

KW - 4-FERMION OPERATORS

KW - QCD CORRECTIONS

KW - RENORMALIZATION

KW - PARAMETER

KW - CURRENTS

KW - REGULARIZATION

KW - LIGHT

UR - http://www.scopus.com/inward/record.url?scp=85033211513&partnerID=8YFLogxK

U2 - 10.1103/PhysRevD.96.074032

DO - 10.1103/PhysRevD.96.074032

M3 - Article

AN - SCOPUS:85033211513

VL - 96

JO - Physical Review D

JF - Physical Review D

SN - 2470-0010

IS - 7

M1 - 074032

ER -

ID: 9720824