Jun 13 – 17, 2011
Europe/Berlin timezone
Proceedings are now available online at <a href="http://www.slac.stanford.edu/econf/C110613/">eConf</a>

Recent BABAR Studies of Bottomonium States

Jun 14, 2011, 4:30 PM
Millerzimmer (Künstlerhaus)



talk Quarkonia Quarkonia


Claudia Patrignani (University and INFN Genova)


We present a study of the radiative transitions from decays of the Y(2S) and Y(3S) resonances using photons that have converted into an e+e- pair, obtaining precise measurements of the branching fractions for chi_b1,2(1, 2P) --> gamma Y(1S) and chi_b1,2(2P) -->gamma Y(2S) transitions and search for radiative decay to the eta_b(1S) and eta_b(2S) states. We present a search for the spin-singlet partner of the chibJ(1P) triplet, the hb(1P) state of bottomonium in the transitions Y(3S)-->pi0 hb and Y(3S)-->pi+pi-hb using a data sample of 122 million Y(3S) events.

Primary author

Claudia Patrignani (University and INFN Genova)

Presentation materials