V. L. Golovtsov
Petersburg Nuclear Physics Institute
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Featured researches published by V. L. Golovtsov.
European Physical Journal C | 2009
A. Blanco-Covarrubias; J. Engelfried; U. Akgun; G. Alkhazov; J. Amaro-Reyes; A. G. Atamantchouk; A.S. Ayan; M. Y. Balatz; Nikolai F. Bondar; Peter S. Cooper; L. J. Dauwe; G. V. Davidenko; U. Dersch; A. G. Dolgolenko; G. B. Dzyubenko; R. Edelstein; L. Emediato; A. M. F. Endler; I. Eschrich; C. O. Escobar; N. Estrada; A. V. Evdokimov; I. S. Filimonov; A. Flores-Castillo; F.G. Garcia; V. L. Golovtsov; P. Gouffon; E. Gülmez; M. Iori; S. Y. Jun
Using data taken by SELEX during the 1996–1997 fixed target run at Fermilab, we study the production of charmed hadrons on copper and carbon targets withxa0Σ−, p, π−, and π+ beams. Parametrizing the dependence of the inclusive production cross section on the atomic number A as Aα, we determine α forxa0D+, D0, Ds+, D+(2010), Λc+, and their respective anti-particles, as a function of their transverse momentum pt and scaled longitudinal momentumxa0xF. Within our statistics there is no dependence of α on xF for any charm species for the interval 0.1<xF<1.0. The average value of α for charm production by pion beams is αmeson=0.850±0.028. This is somewhat larger than the corresponding average αbaryon=0.755±0.016 for charm production by baryon beams (Σ−, p).
Physical Review Letters | 2002
M. Mattson; G. Alkhazov; A. G. Atamantchouk; M. Y. Balatz; Nikolai F. Bondar; P. S. Cooper; L. J. Dauwe; G. V. Davidenko; U. Dersch; A. G. Dolgolenko; G. B. Dzyubenko; R. Edelstein; L. Emediato; A. M. F. Endler; J. Engelfried; I. Eschrich; C. O. Escobar; A. V. Evdokimov; I. S. Filimonov; F. G. Garcia; M. Gaspero; I. Giller; V. L. Golovtsov; P. Gouffon; E. Gülmez; He Kangling; M. Iori; S. Y. Jun; M. Kaya; J. Kilmer