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hep-ex2009

Study of a narrow pi+ pi- peak at about 755 MeV/c^2 in bar-p n --> 2 pi+ 3 pi- annihilation at rest

Mario Gaspero

A narrow peak in the pi+ pi- mass distribution was seen by the Rome-Syracuse Collaboration in bar-p n --> 2 pi+ 3 pi- annihilation at rest 39 years ago. The reanalysis of this peak…

hep-ex2008

Search for Second-Class Currents in tau- -> omega pi- nu_tau

The BABAR Collaboration, B. Aubert

We report on an analysis of decaying into with using data containing nearly 320 million tau pairs collected with the BABAR detector at the PEP-II as…

hep-ex2007

Measurements of CP-Violating Asymmetries in B0 to a1(1260)^{+-} pi^{-+} Decays

F. Palombo

We present measurements of CP-violating asymmetries in the decay B0 -> a_1(1260)^{+-} pi^{-+} with a_1(1260)^{+-} -> pi^{-+} pi^{+-} pi^{+-}. The data sample corresponds to 384 mil…

hep-ex2006

Measurement of the Relative Branching Fractions for B- -> D/D*/D**(D(*)pi) l- anti-nu with a Large Sample of Tagged B Mesons

The BABAR Collaboration, B. Aubert

We present a study of B semileptonic decays into charm final states based on 211.7 fb^{-1} of data collected at the Υ(4S) resonance with the babar detector at the pep2 e^+e^- stora…

hep-ex2006

Measurement of the B0->pilnu Form Factor Shape and Branching Fraction, and Determination of |Vub| with a Loose Neutrino Reconstruction Technique

The BABAR Collaboration, B. Aubert

We report the results of a study of the exclusive charmless semileptonic B0->pilnu decay undertaken with approximately 227 million BBbar pairs collected at the Upsilon(4S) resonanc…

hep-ex2005

Observation of B0 Meson decays to a1(1260) pi

B. Aubert, BaBar Collaboration

We present preliminary measurements of the B meson decay B0 -> a1(1260)+ pi-, with a1(1260)+ --> pi+ pi+ pi-. The data were recorded with the BABAR detector at PEP II and correspon…