R K Yamamoto
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Explore the profile of R K Yamamoto including associated specialties, affiliations and a list of published articles.
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193
Citations
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Recent Articles
1.
Aubert B, Karyotakis Y, Lees J, Poireau V, Prencipe E, Prudent X, et al.
Phys Rev Lett
. 2010 Sep;
105(5):051602.
PMID: 20867905
Using 467 fb(-1) of e+e- annihilation data collected with the BABAR detector, we measure (B(τ- → μ- ν(μ) ν(τ)))/(B(τ- → e- ν(e) ν(τ))) =(0.9796±0.0016±0.0036), (B(τ- → π- ν(τ)))/(B(τ- → e-...
2.
Del Amo Sanchez P, Lees J, Poireau V, Prencipe E, Tisserand V, Garra Tico J, et al.
Phys Rev Lett
. 2010 Sep;
104(19):191801.
PMID: 20866959
The ratio R(τμ)(Υ(1S))=Γ(Υ(1S)→τ+ τ-)/Γ(Υ(1S)→μ+ μ-) is measured using a sample of (121.8±1.2)×10(6)Υ(3S) events recorded by the BABAR detector. This measurement is intended as a test of lepton universality and as...
3.
Lees J, Poireau V, Prencipe E, Tisserand V, Garra Tico J, Grauges E, et al.
Phys Rev Lett
. 2010 May;
104(15):151802.
PMID: 20481982
Charged-lepton flavor-violating processes are unobservable in the standard model, but they are predicted to be enhanced in several extensions to the standard model, including supersymmetry and models with leptoquarks or...
4.
Aubert B, Karyotakis Y, Lees J, Poireau V, Prencipe E, Prudent X, et al.
Phys Rev Lett
. 2010 Apr;
104(2):021802.
PMID: 20366586
Searches for lepton-flavor-violating decays of a tau lepton to a lighter mass lepton and a photon have been performed with the entire data set of (963+/-7)x10{6} tau decays collected by...
5.
Aubert B, Karyotakis Y, Lees J, Poireau V, Prencipe E, Prudent X, et al.
Phys Rev Lett
. 2010 Apr;
104(1):011802.
PMID: 20366358
We present a measurement of the Cabibbo-Kobayashi-Maskawa matrix element |V(cb)| and the form-factor slope rho2 in B --> Dl- nu(l) decays based on 460x10(6) BB events recorded at the Upsilon(4S)...
6.
Aubert B, Karyotakis Y, Lees J, Poireau V, Prencipe E, Prudent X, et al.
Phys Rev Lett
. 2010 Apr;
103(25):251801.
PMID: 20366249
We search for invisible decays of the Upsilon(1S) meson using a sample of 91.4 x 10(6) Upsilon(3S) mesons collected at the BABAR/PEP-II B factory. We select events containing the decay...
7.
Aubert B, Karyotakis Y, Lees J, Poireau V, Prencipe E, Prudent X, et al.
Phys Rev Lett
. 2010 Apr;
103(23):231801.
PMID: 20366141
A precise measurement of the cross section of the process e(+)e(-) --> pi(+)pi(-)(gamma) from threshold to an energy of 3 GeV is obtained with the initial state radiation (ISR) method...
8.
Aubert B, Karyotakis Y, Lees J, Poireau V, Prencipe E, Prudent X, et al.
Phys Rev Lett
. 2010 Apr;
103(21):211802.
PMID: 20366028
We present an analysis of the decays B{0}-->K{*0}(892)gamma and B{+}-->K{*+}(892)gamma using a sample of about 383 x 10{6} BB[-over ] events collected with the BABAR detector at the PEP-II asymmetric...
9.
Aubert B, Bona M, Karyotakis Y, Lees J, Poireau V, Prencipe E, et al.
Phys Rev Lett
. 2010 Apr;
103(21):211801.
PMID: 20366027
We present evidence of D{0}-D[-over ]{0} mixing using a time-dependent amplitude analysis of the decay D{0}-->K+pi{-}pi;{0} in a data sample of 384 fb{-1} collected with the BABAR detector at the...
10.
Aubert B, Karyotakis Y, Lees J, Poireau V, Prencipe E, Prudent X, et al.
Phys Rev Lett
. 2009 Nov;
103(18):181801.
PMID: 19905799
We search for a light Higgs boson A0 in the radiative decay Upsilon(3S)-->gammaA(0), A(0)-->tau+tau-, tau+-->e+nu(e)nu(tau), or tau+-->mu+nu(mu)nu(tau). The data sample contains 122x10(6) Upsilon(3S) events recorded with the BABAR detector. We...