Graphical amplitudes from SCET

Christian W. Bauer; Dan Pirjol

doi:10.1016/j.physletb.2004.10.047

Graphical amplitudes from SCET

Christian W. Bauer
, Dan Pirjol

School of Business

California Institute of Technology

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

20 Scopus citations

Abstract

We discuss the relationship between the graphical amplitudes T, C, P, ⋯ used to parameterize non-leptonic B decay amplitudes, and matrix elements of operators in the soft-collinear effective theory (SCET) at leading order in Λ/mb. Using the SU(3) flavor symmetry of the weak Hamiltonian we derive all-order constraints on the Wilson coefficients of SCET operators.

Original language	English
Pages (from-to)	183-191
Number of pages	9
Journal	Physics Letters B
Volume	604
Issue number	3-4
DOIs	https://doi.org/10.1016/j.physletb.2004.10.047
State	Published - 23 Dec 2004

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10.1016/j.physletb.2004.10.047

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title = "Graphical amplitudes from SCET",

abstract = "We discuss the relationship between the graphical amplitudes T, C, P, ⋯ used to parameterize non-leptonic B decay amplitudes, and matrix elements of operators in the soft-collinear effective theory (SCET) at leading order in Λ/mb. Using the SU(3) flavor symmetry of the weak Hamiltonian we derive all-order constraints on the Wilson coefficients of SCET operators.",

author = "Bauer, \{Christian W.\} and Dan Pirjol",

year = "2004",

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doi = "10.1016/j.physletb.2004.10.047",

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T1 - Graphical amplitudes from SCET

AU - Bauer, Christian W.

AU - Pirjol, Dan

PY - 2004/12/23

Y1 - 2004/12/23

N2 - We discuss the relationship between the graphical amplitudes T, C, P, ⋯ used to parameterize non-leptonic B decay amplitudes, and matrix elements of operators in the soft-collinear effective theory (SCET) at leading order in Λ/mb. Using the SU(3) flavor symmetry of the weak Hamiltonian we derive all-order constraints on the Wilson coefficients of SCET operators.

AB - We discuss the relationship between the graphical amplitudes T, C, P, ⋯ used to parameterize non-leptonic B decay amplitudes, and matrix elements of operators in the soft-collinear effective theory (SCET) at leading order in Λ/mb. Using the SU(3) flavor symmetry of the weak Hamiltonian we derive all-order constraints on the Wilson coefficients of SCET operators.

UR - https://www.scopus.com/pages/publications/9244259116

UR - https://www.scopus.com/pages/publications/9244259116#tab=citedBy

U2 - 10.1016/j.physletb.2004.10.047

DO - 10.1016/j.physletb.2004.10.047

M3 - Article

AN - SCOPUS:9244259116

SN - 0370-2693

VL - 604

SP - 183

EP - 191

JO - Physics Letters B

JF - Physics Letters B

IS - 3-4

ER -

Graphical amplitudes from SCET

Abstract

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