Rare And Radiative B Meson Decays From the BaBar Experiment
Rare And Radiative B Meson Decays From the BaBar Experiment

Author: J. Stelzer

Publisher:

Published: 2006

Total Pages: 5

ISBN-13:

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Since its start in 1999 the BABAR experiment has collected a vast amount of data. Electron-positron collisions at the energy of the {Upsilon}(4S) resonance have produced about 240 million coherent B{sup 0}{bar B}{sup 0} and B{sup +}B{sup -} pairs, opening the doors for exploration of rare B meson decays. An overview of the electroweak penguin physics program of BABAR is given, the analysis of two specific decays is presented in detail.

Study of Rare Radiative Phi Decays at Jefferson Lab
Study of Rare Radiative Phi Decays at Jefferson Lab

Author:

Publisher:

Published: 1999

Total Pages:

ISBN-13:

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The RadPhi Collaboration has proposed using the intense tagged photon beam in Hall B at TJNAF to produce [phi] mesons and measure the branching ratios of [phi]'s decaying into the a0(980)g and f0(980)[gamma] all-neutral final states. The comparison of branching ratios for these two decay modes should provide crucial information on the quark substructure of a0(980) and f0(980) scalar mesons. Three engineering runs conducted so far measured the photon beam profile, instantaneous rates, pileups and dead times in the detector components, as well as energy and timing resolutions of RadPhi detectors. The measurements demonstrated that the proposed experiment is capable of detecting rare radiative [phi] decays with branching ratios greater than 10−5.

Study of Scalar Mesons and Related Radiative Decays
Study of Scalar Mesons and Related Radiative Decays

Author:

Publisher:

Published: 2002

Total Pages:

ISBN-13:

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After a brief review of the puzzling light scalar meson sector of QCD, a brief summary will be given of a paper concerning radiative decays involving the light scalars. There, a simple vector meson dominance model is constructed in an initial attempt to relate a large number of the radiative decays involving a putative scalar nonet to each other. As an application it is illustrated why a0(980)-f0(980) mixing is not expected to greatly alter the f0/a0 production ratio for radiative [phi] decays.