Heavy to light decays at large recoil: Systematic treatment of short distance and long distance QCD effects - INSPIRE

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Heavy to light decays at large recoil: Systematic treatment of short distance and long distance QCD effects

Thorsten Feldmann
(
- Aachen, Tech. Hochsch.
)

Sep, 2002

4 pages

Part of Proceedings, 9th High-Energy Physics International Conference on Quantum chromodynamics (QCD 02) : Montpellier, France, July 2-9, 2002, 275-278

Published in:

Nucl.Phys.B Proc.Suppl. 121 (2003) 275-278

Contribution to:

- QCD 02
, 275-278

e-Print:

hep-ph/0209239 [hep-ph]

DOI:

10.1016/S0920-5632(03)01861-9

View in:

ADS Abstract Service

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Abstract:

Heavy quark decays into energetic, collinear quarks and gluons are discussed within an effective theory that accomplishes the factorization of soft and hard strong interaction effects. We derive the relevant effective Lagrangian, and perform the matching of the heavy quark current, including power corrections of order 1/m, where m is the heavy quark mass. We apply our framework to heavy-to-light form factors.

Note:

Talk presented at QCD'02 conference, July 2002, Montpellier (France): 4 pages, 1 figure, uses espcrc2.sty

talk: Montpellier 2002/07/02
heavy quark
quark: hadronic decay
quantum chromodynamics
effect: long-range
effect: short-range
factorization
effective Lagrangian
HQET model
correction: nonperturbative

References(17)

Figures(0)

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