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Title: Semi-inclusive radiative decays of Upsilon(1S)
Author: Garcia i Tormo, Xavier
Soto Riera, Joan
Keywords: Fenomenologia (Física)
Pertorbació (Dinàmica quàntica)
Partícules (Física nuclear)
Desintegració radioactiva
Phenomenological theory (Physics)
Particles (Nuclear physics)
Perturbation (Quantum dynamics)
Radioactive decay
Issue Date: 2005
Publisher: The American Physical Society
Abstract: We discuss in detail the photon spectrum of radiative {upsilon}(1S) decays taking into account a number of results that have recently appeared in the literature. In particular, we show how to consistently combine expressions which are valid in the upper end point region, where NRQCD factorization breaks down, with those of the central region, where NRQCD factorization holds. An excellent description of data is achieved, but theoretical errors are large.
Note: Reproducció digital del document publicat en format paper, proporcionada per PROLA i
It is part of: Physical Review D, 2005, vol. 72, núm. 5, p. 054014-1-054014-14
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ISSN: 0556-2821
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)

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