K. Anikeev
Massachusetts Institute of Technology
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Featured researches published by K. Anikeev.
Physical Review Letters | 2006
A. Abulencia; Darin Acosta; J. Adelman; T. Affolder; T. Akimoto; M. Albrow; D. Ambrose; S. Amerio; D. Amidei; A. Anastassov; K. Anikeev; Inst. Phys. Taiwan; Ifae Barcelona; U Baylor; Bologna Infn; U Bologna; U Brandeis; Santa Barbara Uc
We present the first measurement of the Bs-Bsbar oscillation frequency Delta m_s. We use 1 fb^-1 of data from p-pbar collisions at sqrt{s}=1.96 TeV collected with the CDF II detector at the Fermilab Tevatron. The sample contains signals of 3,600 fully reconstructed hadronic Bs decays and 37,000 partially reconstructed semileptonic Bs decays. We measure the probability as a function of proper decay time that the Bs decays with the same, or opposite, flavor as the flavor at production, and we find a signal consistent with Bs-Bsbar oscillations. The probability that random fluctuations could produce a comparable signal is 0.2%. Under the hypothesis that the signal is due to Bs-Bsbar oscillations, we measure Delta m_s = 17.31^{+0.33}_{-0.18} (stat.) +- 0.07 (syst.) ps^-1 and determine |Vtd/Vts| = 0.208^{+0.001}_{-0.002} (exp.) ^{+0.008}_{-0.006} (theo.).
Physical Review D | 2002
Darin Acosta; T. Affolder; H. Akimoto; M. Albrow; P. Amaral; D. Ambrose; D. Amidei; K. Anikeev; J. Antos; G. Apollinari; T. Arisawa; A. Artikov; T. Asakawa; W. Ashmanskas; F. Azfar; P. Azzi-Bacchetta; N. Bacchetta; H. Bachacou; S. Bailey; P. De Barbara; A. Barbaro-Galtieri; V. E. Barnes; Bruce Barnett; S. Baroiant; M. Barone; G. Bauer; F. Bedeschi; S. Belforte; W. H. Bell; G. Bellettini
We present measurements of the B+ meson total cross section and differential cross section
Physical Review Letters | 2006
A. Abulencia; Darin Acosta; J. Adelman; T. Affolder; T. Akimoto; M. Albrow; D. Ambrose; S. Amerio; D. Amidei; A. Anastassov; K. Anikeev; Inst. Phys. Taiwan; Ifae Barcelona; U Baylor; Bologna Infn; U Brandeis; Santa Barbara Uc
d\sigma/ dp_T
Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 2002
S. Cabrera; J. Fernandez; G. Gomez; J. Piedra; T. Rodrigo; A. Ruiz; I. Vila; R. Vilar; C. Grozis; R. Kephart; R. Stanek; D. H. Kim; Min Suk Kim; Y. D. Oh; Y. K. Kim; G. Veramendi; K. Anikeev; G. Bauer; I. Furic; A. Korn; I. Kravchenko; M. Mulhearn; C. Paus; S. Pavlon; K. Sumorok; C. Chen; M. Jones; W. Kononenko; J. Kroll; G.M Mayers
. The measurements use a
Physical Review D | 2006
A. Abulencia; Darin Acosta; J. Adelman; Anthony Affolder; T. Akimoto; M. Albrow; D. Ambrose; S. Amerio; D. Amidei; A. Anastassov; K. Anikeev; Inst. Phys. Taiwan; Ifae Barcelona; U Baylor; Bologna Infn; U Bologna; U Brandeis; Santa Barbara Uc
98\pm 4
Physical Review D | 2002
Darin Acosta; T. Affolder; H. Akimoto; M. Albrow; D. Ambrose; D. Amidei; K. Anikeev; J. Antos; G. Apollinari; T. Arisawa; A. Artikov; T. Asakawa; W. Ashmanskas; F. Azfar; P. Azzi-Bacchetta; N. Bacchetta; H. Bachacou; W. Badgett; S. Bailey; P. De Barbara; A. Barbaro-Galtieri; V. E. Barnes; B. A. Barnett; S. Baroiant; M. Barone; G. Bauer; F. Bedeschi; S. Belforte; W. H. Bell; G. Bellettini
pb^{-1} sample of
Physical Review D | 2004
Darin Acosta; T. Affolder; H. Akimoto; M. Albrow; D. Ambrose; D. Amidei; K. Anikeev; J. Antos; G. Apollinari; T. Arisawa; A. Artikov; T. Asakawa; W. Ashmanskas; F. Azfar; P. Azzi-Bacchetta; N. Bacchetta; H. Bachacou; W. Badgett; S. Bailey; P. de Barbaro; A. Barbaro-Galtieri; V. E. Barnes; Bruce Barnett; S. Baroiant; M. Barone; G. Bauer; F. Bedeschi; S. Behari; S. Belforte; W. H. Bell
p \bar p
Physical Review D | 2005
Darin Acosta; J. Adelman; T. Affolder; T. Akimoto; M. Albrow; D. Ambrose; S. Amerio; D. Amidei; A. Anastassov; K. Anikeev; A. Annovi; J. Antos; M. Aoki; G. Apollinari; T. Arisawa; J.-F. Arguin; A. Artikov; W. Ashmanskas; A. Attal; F. Azfar; P. Azzi-Bacchetta; Inst. Phys. Taiwan; Ifae Barcelona; Bologna Infn; U Brandeis; Santa Barbara Uc; Efi Chicago U.; Jinr Dubna; U Duke; U Florida
collisions at
Physical Review D | 2003
Darin Acosta; T. Affolder; M. H. Ahn; T. Akimoto; M. Albrow; D. Ambrose; D. Amidei; A. Anastassov; K. Anikeev; A. Annovi; J. Antos; M. Aoki; G. Apollinari; J. F. Arguin; T. Arisawa; A. Artikov; T. Asakawa; W. Ashmanskas; A. Attal; F. Azfar; P. Azzi-Bacchetta; N. Bacchetta; H. Bachacou; W. Badgett; S. Bailey; A. Barbaro-Galtieri; G. J. Barker; V. E. Barnes; B. A. Barnett; S. Baroiant
\sqrt{s}=1.8
Physical Review D | 2001
T. Affolder; H. Akimoto; A. Akopian; M. Albrow; P. Amaral; D. Amidei; K. Anikeev; J. Antos; G. Apollinari; T. Arisawa; T. Asakawa; W. Ashmanskas; F. Azfar; P. Azzi-Bacchetta; N. Bacchetta; M. W. Bailey; S. Bailey; P. de Barbaro; A. Barbaro-Galtieri; V. E. Barnes; B. A. Barnett; S. Baroiant; M. Barone; G. Bauer; F. Bedeschi; S. Belforte; W. H. Bell; G. Bellettini; J. Bellinger; Douglas Benjamin
TeV collected by the CDF detector. Charged