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V. Aushev

Ministry of Education and Science of Ukraine

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Featured researches published by V. Aushev.

Physical Review D | 2006

Improved measurement of the bb production cross section in 920 GeV fixed-target proton-nucleus collisions

I. Abt; A. Abyzov; Mark Raymond Adams; H. Albrecht; Vasco Amaral; A. Amorim; S. Aplin; Alexey Vladimirovich Arefiev; M. Atiya; V. Aushev; Yu. Sh. Bagaturia; R. Baghshetsyan; V. Balagura; M. Bargiotti; S. Barsuk; O. Barsukova; V. Bassetti; J. Bastos; C. Bauer; S. Bauer; M. Beck; A. Belkov; I. Belotelov; I. Belyaev; K. Berkhan; A. Bertin; B. Bobchenko; A. Bogatyrev; G. Bohm; C. Borgmeier

A new measurement of the b-bbar production cross section in 920 GeV proton-nucleus collisions is presented by the HERA-B collaboration. The b-bbar production is tagged via inclusive bottom quark decays into J/psi mesons, by exploiting the longitudinal separation of J/psi->ll decay vertices from the primary proton-nucleus interaction point. Both e+e- and mu+mu- channels are reconstructed, for a total of 83 +- 12 inclusive b->J/psi X events found. The combined analysis yields a b-bbar to prompt J/psi cross section ratio of

Physical Review D | 2009

Production of the charmonium states Χc1 and Χc2 in proton nucleus interactions at s = 41.6 GeV

I. Abt; M. Adams; M. Agari; H. Albrecht; A. Aleksandrov; Vasco Amaral; A. Amorim; S. Aplin; V. Aushev; Yu. Sh. Bagaturia; V. Balagura; M. Bargiotti; O. Barsukova; J. Bastos; J. Batista; C. Bauer; Th. Bauer; A. Belkov; Ar. Beikov; I. Belotelov; A. Bertin; B. Bobchenko; M. Böcker; A. Bogatyrev; G. Bohm; M. Bräuer; M. Bruinsma; M. Bruschi; P. Buchholz; T. Buran

{frac{{Deltasigma(bbbar)}}{{Deltasigma_{jpsi}}}} = 0.032pm 0.005 stat pm 0.004 sys

Archive | 2008

Search for the Flavor-Changing Neutral Current Decay D 0 ! + with the HERA-B Detector

I. Abt; Mark Raymond Adams; H. Albrecht; A. Aleksandrov; A. Amorim; S. Aplin; V. Aushev; Yu. Sh. Bagaturia; V. Balagura; M. Bargiotti; O. Barsukova; C. Bauer; S. Bauer; A. Belkov; A. Bertin; B. Bobchenko; A. Bogatyrev; G. Bohm; M. Bruinsma; M. Bruschi; M. Buchler; T. Buran; P. Conde; C. Cruse; M. Dam; K. M. Danielsen; M. Danilov; S. De Castro; H. Deppe; X. Dong

measured in the x_f acceptance (-0.35 <x_f <0.15), extrapolated to

European Physical Journal C | 2007

K ∗0 and φ meson production in proton-nucleus interactions at √ s =4 1. 6G eV

I. Abt; M. Agari; A. Aleksandrov; V. Aushev; Y. Bagaturia; V. Balagura; M. Bargiotti; I. Belotelov; A. Bogatyrev; G. Bohm; P. Buchholz; P. Conde; C. Cruse; M. Danilov; V. Egorytchev; D. Emeliyanov; L. Fabbri; P. Faccioli; M. Feuerstack-Raible; J. Flammer; B. Fominykh; M. Funcke; L. Garrido; A. Gellrich; B. Lewendel; B. Lomonosov; I. Matchikhilian; M. Medinnis; A. Michetti; Yu.V. Mikhailov

sigma(bbbar) = 14.9 pm 2.2 stat pm 2.4 sys

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