Electronic Resource
Palo Alto, Calif.
:
Annual Reviews
Annual Review of Nuclear and Particle Science
48 (1998), S. 253-306
ISSN:
0163-8998
Source:
Annual Reviews Electronic Back Volume Collection 1932-2001ff
Topics:
Physics
Notes:
Abstract Penguin, or loop, decays of B mesons induce effective flavor-changing neutral currents, which are forbidden at tree level in the standard model. These decays give special insight into the CKM matrix and are sensitive to non-standard-model effects. In this review, we give a historical and theoretical introduction to penguins and a description of the various types of penguin processes: electromagnetic, electroweak, and gluonic. We review the experimental searches for penguin decays, including the measurements of the electromagnetic penguins bsgamma and BK*gamma and gluonic penguins BKpi, B+omegaK+ and Beta'K, and their implications for the standard model and new physics. We conclude by exploring the future prospects for penguin physics.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1146/annurev.nucl.48.1.253
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