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Leading logarithms of heavy quark masses in processes with light and heavy quarks

Politzer, H. David and Wise, Mark B. (1988) Leading logarithms of heavy quark masses in processes with light and heavy quarks. Physics Letters B, 206 (4). pp. 681-684. ISSN 0370-2693. http://resolver.caltech.edu/CaltechAUTHORS:20161018-091807641

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Abstract

The matrix elements of operators containing both heavy quark (Q) and light quark (q) fields can contain large logarithms of the type ln(mQ2/μ2), where μ is a typical QCD mass scale and mQ is the heavy quark mass. We outline a method for summing leading logarithms of this type. We apply it to the decay constant fM of a low lying pseudoscalar meson M with Q̄q flavor quantum numbers and predict the ratios of decay constants for mesons with different heavy flavors. We also apply it to a matrix element of a four-quark operator which is relevant for B0−B̄0 mixing.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1016/0370-2693(88)90718-6DOIArticle
http://www.sciencedirect.com/science/article/pii/0370269388907186PublisherArticle
ORCID:
AuthorORCID
Politzer, H. David0000-0002-4983-6621
Additional Information:© 1988 Elsevier B.V. Received 14 March 1988.
Funders:
Funding AgencyGrant Number
Department of Energy (DOE)DE-AC-03-81-ER40050
Department of Energy (DOE)DE-FG-03-84-ER40172
Alfred P. Sloan FoundationUNSPECIFIED
Record Number:CaltechAUTHORS:20161018-091807641
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20161018-091807641
Official Citation:H.David Politzer, Mark B. Wise, Leading logarithms of heavy quark masses in processes with light and heavy quarks, Physics Letters B, Volume 206, Issue 4, 1988, Pages 681-684, ISSN 0370-2693, http://dx.doi.org/10.1016/0370-2693(88)90718-6. (http://www.sciencedirect.com/science/article/pii/0370269388907186)
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:71204
Collection:CaltechAUTHORS
Deposited By: Joy Painter
Deposited On:18 Oct 2016 16:47
Last Modified:27 Oct 2017 20:23

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