BABAR Collaboration (Including:

). (2008) Measurement of the branching fractions of the radiative charm decays D-0 ->(K)overbar(*0)gamma and D-0 ->phi gamma. Physical Review D (Particles, Fields, Gravitation and Cosmology), Vol.78 (No.7). article no.071101 . ISSN 1550-7998

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Abstract

We present a measurement of the branching fractions for the Cabibbo-favored radiative decay D-0 ->(K)overbar(*0)gamma and the Cabibbo-suppressed radiative decay D-0 ->phi gamma. These measurements are based on a data sample corresponding to an integrated luminosity of 387.1 fb(-1) and recorded with the BABAR detector at the PEP-II e(+)e(-) asymmetric-energy collider operating at center-of-mass energies 10.58 and 10.54 GeV. We measure the branching fractions relative to the well-studied decay D-0 -> K-pi(+) and find B(D-0 ->(K)overbar(*0)gamma)/B(D-0 -> K-pi(+))=(8.43 +/- 0.51 +/- 0.70)x10(-3) and B(D-0 ->phi gamma)/B(D-0 -> K-pi(+))=(7.15 +/- 0.78 +/- 0.69)x10(-4), where the first error is statistical and the second is systematic. This is the first observation of the decay mode D-0 ->(K)overbar(*0)gamma.

Item Type:	Journal Article
Subjects:	Q Science > QB Astronomy Q Science > QC Physics
Divisions:	Faculty of Science > Physics
Journal or Publication Title:	Physical Review D (Particles, Fields, Gravitation and Cosmology)
Publisher:	American Physical Society
ISSN:	1550-7998
Date:	October 2008
Volume:	Vol.78
Number:	No.7
Number of Pages:	9
Page Range:	article no.071101
Identification Number:	10.1103/PhysRevD.78.071101
Status:	Peer Reviewed
Publication Status:	Published
Funder:	DOE and NSF (USA), NSERC (Canada), CEA and CNRS-IN2P3 ( France), BMBF and DFG (Germany), INFN (Italy), FOM (The Netherlands), NFR (Norway), MES (Russia), MEC (Spain),, STFC (United Kingdom), Marie Curie EIF (European Union), A. P. Sloan Foundation
URI:	http://wrap.warwick.ac.uk/id/eprint/29052

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