Ventzislav B. Koptchev, Ph.D.

Affiliations: 
2004 University of Massachusetts, Amherst, Amherst, MA 
Area:
Elementary Particles and High Energy Physics
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"Ventzislav Koptchev"
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Parents

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Stéphane Willocq grad student 2004 U Mass Amherst
 (Study of the rare decay B mesons decaying to X mesons positive and negative leptons at BABAR.)
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Publications

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Aubert B, Barate R, Boutigny D, et al. (2007) Measurement of branching fractions and mass spectra of B-->Kpipigamma. Physical Review Letters. 98: 211804
Aubert B, Barate R, Boutigny D, et al. (2006) Search for the rare decay B0-->tau+tau- at BABAR. Physical Review Letters. 96: 241802
Aubert B, Barate R, Boutigny D, et al. (2006) Measurements of the absolute branching fractions of B+/- --> K+/-X(cc). Physical Review Letters. 96: 052002
Aubert B, Barate R, Boutigny D, et al. (2006) Search for lepton flavor violation in the decay tau+/--->e+/-gamma. Physical Review Letters. 96: 041801
Aubert B, Barate R, Boutigny D, et al. (2005) Evidence for B+ --> K0K+ and B0 --> K0K0, and measurement of the branching fraction and search for direct CP violation in B+ --> K0pi+. Physical Review Letters. 95: 221801
Aubert B, Barate R, Boutigny D, et al. (2005) Search for lepton-flavor and lepton-number violation in the decay tau(-) -->l-(+)h+(-)h'(-). Physical Review Letters. 95: 191801
Aubert B, Barate R, Boutigny D, et al. (2005) Measurements of branching fractions and Dalitz distributions for B0 --> D(*)+/-K0pi-/+ decays. Physical Review Letters. 95: 171802
Aubert B, Barate R, Boutigny D, et al. (2005) Measurement of time-dependent CP asymmetries and the CP-odd fraction in the decay B0-->D*+D*-. Physical Review Letters. 95: 151804
Aubert B, Barate R, Boutigny D, et al. (2005) Improved measurements of CP-violating asymmetry amplitudes in B0-->pi+pi- decays. Physical Review Letters. 95: 151803
Aubert B, Barate R, Boutigny D, et al. (2005) Production and decay of xi(c)(0) at BABAR. Physical Review Letters. 95: 142003
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