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I. G. Kosarev

Joint Institute for Nuclear Research

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Featured researches published by I. G. Kosarev.

Physics of Atomic Nuclei | 2005

Observation of a narrow baryon resonance decaying to pK S 0 in proton-nucleus interactions at 70 GeV/c with the SVD-2 setup

A. N. Aleev; N. S. Amaglobeli; E. Ardashev; V. P. Balandin; S. G. Basiladze; S. Berezhnev; G. A. Bogdanova; I. V. Boguslavsky; M. Vasiliev; A. Vischnevskaya; V. Yu. Volkov; A. Vorobiev; A. Voronin; S. N. Golovnya; S. Golubkov; S. Gorokhov; A. V. Gorkov; I. M. Gramenitsky; N. Grishin; Ya. V. Grishkevich; N. N. Egorov; V. B. Ezhov; G. Ermakov; P. F. Ermolov; N. Zhidkov; L. Zakamsky; V. Zapolsky; E. G. Zverev; V. Zmushko; D. Zotkin

AbstractData from the SVD-2 experiment that were obtained at the IHEP accelerator in 70-GeV/c proton-nucleus interactions are analyzed with the aim of searches for an exotic Θ+ baryon that decays through the pKS0 channel. The reaction pN → pKS0 + X characterized by a bounded multiplicity of charged secondaries is used for this analysis. A resonance of mass M = 1526 ± 3(stat.) ± 3(syst.) MeV/c2 and width Γ < 24 MeV/c2 is observed in the invariant-mass spectrum of the pKS0 system at a statistical significance of 5.6σ. The mass and the width of this resonance correspond to the recently found positive-strangeness Θ+ baryon, which was predicted to be an exotic baryon consisting of five quarks (pentaquark),

European Physical Journal A | 1984

TheΛ c + production by 40–70 GeV neutrons on carbon

A. N. Aleev; V. Arefiev; V. P. Balandin; V. K. Berdyshev; V. K. Birulev; V. D. Cholakov; A. S. Chvyrov; I. I. Evsikov; T. S. Grigalashvili; B. Guskov; I. M. Ivanchenko; I. N. Kakurin; M. N. Kapishin; N. Karpenko; D. A. Kirillov; I. G. Kosarev; V. R. Krastev; N. A. Kuz'min; B. A. Kulakov; M. F. Likhachev; A. L. Lyubimov; A. N. Maksimov; P. V. Moisenz; A. Morozov; S. Nemecek; Nguyen Mong Zao; V. V. Pal'chik; A. V. Pose; L. V. Sil'vestrov; V. E. Simonov

European Physical Journal C | 1984

Observation and study of a narrow state in aΣ−(1,385)K+ system

A. N. Aleev; V. Arefiev; V. P. Balandin; V. K. Birulev; A. S. Chvyrov; V. D. Cholakov; T. S. Grigalashvili; B. Guskov; I. M. Ivanchenko; N. Karpenko; D. A. Kirillov; I. G. Kosarev; V. R. Krastev; N. A. Kuz'min; B. A. Kulakov; M. F. Likhachev; A. L. Lyubimov; A. N. Maksimov; A. Morozov; A. V. Pose; L. V. Sil'vestrov; V. E. Simonov; L. A. Slepets; P. T. Todorov; R. K. Trayanov; K. Hiller; H. E. Ryseck; H. Nowak; A. Belousov; A. Fomenko

uudd\bar s

European Physical Journal A | 1988

Production of\(\bar D^0 \) andD− mesons in neutron-carbon interactions at 40–70 GeV

A. N. Aleev; V. Arefiev; V. P. Balandin; V. K. Berdyshev; V. K. Birulev; A. S. Chvyrov; I. I. Evsikov; T. S. Grigalashvili; B. Guskov; K. Hiller; I. M. Ivanchenko; I. N. Kakurin; M. N. Kapishin; N. Karpenko; D. A. Kirillov; I. G. Kosarev; V. R. Krastev; N. A. Kus'min; M. F. Likhachev; A. L. Lyubimov; A. N. Maksimov; P. Moisenz; A. Morozov; V. V. Pal'chik; A. V. Pose; A. Prokes; V. E. Simonov; L. A. Slepets; M. Smizanska; G. G. Takhtamyshev

European Physical Journal C | 1990

Search for narrow baryonia with negative and positive strangeness

A. N. Aleev; V. Arefiev; V. P. Balandin; V. K. Berdyshev; V. K. Birulev; A. S. Chvyrov; I. I. Evsikov; T. S. Grigalashvili; B. Guskov; I. M. Ivanchenko; M. N. Kapishin; N. Karpenko; D. A. Kirillov; I. G. Kosarev; N. A. Kuz'min; M. F. Likhachev; A. L. Lyubimov; A. N. Maksimov; P. Moisenz; A. Morozov; V. V. Pal'chik; A. V. Pose; T. B. Progulova; A. Prokes; V. V. Rybakov; L. A. Slepets; A. Zinchenko; A. F. Kamburyan; A. A. Loktionov; Yu. Potrebenikov

. The total cross section for the production of a Θ+ baryon in pA interactions is estimated at a value within the range 30–120 μb for xF ≥ 0. An analysis of the A dependence of the cross section for Θ+-baryon production does not reveal a significant deviation from the A dependence for inelastic events (∼A0.7).

European Physical Journal C | 2005

Azimuthal anisotropy of photon and charged particle emission in Pb-208+Pb-208 collisions at 158 center dot A GeV/c

M. M. Aggarwal; Z. Ahammed; A.L.S. Angelis; [No Value] Antonenko; [No Value] Arefiev; [No Value] Astakhov; [No Value] Avdeitchikov; T. C. Awes; P.V.K.S. Baba; S.K. Badyal; S. Bathe; B. Batiounia; T. Bernier; V.S. Bhatia; C. Blume; D. Bucher; H. Büsching; L. Carlén; S. Chattopadhyay; M.P. Decowski; H. Delagrange; P. Donni; Dutta Majumdar; A. K. Dubey; K. El Chenawi; K. Enosawa; S. Fokin; [No Value] Frolov; Ganti; S. Garpman

AbstractThe inclusive production of charmed baryonsΛc+ by 40–70 GeV neutrons on carbon has been observed. The decays

Physics Letters B | 2000

Spin alignment of K(892) mesons produced in neutron-carbon interactions

A. N. Aleev; N. S. Amaglobeli; V. P. Balandin; A.P. Bugorski; C. Cheshkov; A. Gaponenko; I. M. Geshkov; T. S. Grigalashvili; P. Hristov; I.M. Ivanchenko; Z. M. Ivanchenko; M. N. Kapishin; N. Karpenko; V. Kekelidze; T.V. Khristova; Z.I. Kojenkova; M.V. Kopadze; I. G. Kosarev; Yu.A. Kretov; A.S. Kurilin; N. Kuzmin; R. Kvatadze; A.A. Lavrentyev; A. A. Loktionov; N. Lomidze; A.L. Lyubimov; D.T. Madigojin; A. S. Mestvirishvili; N. Molokanova; A. Morozov

Archive | 1989

Production of the charmed baryon Λ c + in neutron-proton interactions

M. Vecko; M. Novak; J. Hladký; J. Krásová; A. N. Aleev; V. Arefiev; V. P. Balandin; V. K. Berdyshev; V. K. Birulev; A. S. Chvyrov; I. I. Evsikov; T. S. Grigalashvili; B. Guskov; K. Hiller; I. M. Ivanchenko; M. N. Kapishin; N. Karpenko; D. A. Kirillov; I. G. Kosarev; V. R. Krastev; N. A. Kuz'min; M. F. Likhachev; A. L. Lyubimov; A. N. Maksimov; P. V. Moisens; A. Morozov; V. V. Pal'chik; A. V. Pose; A. Prokes; L. V. Silvestrov

\Lambda _c^ + \to \bar K^0 p\pi ^ + \pi ^ -

Czechoslovak Journal of Physics | 1992

A-dependence of inclusive Φ-meson production in neutron-nucleus interactions at 30–70 GeV

Czechoslovak Journal of Physics | 1990

Inclusive production of φ-mesons in neutron-proton interaction at 30-70 GeV/c

(130 ± 18 events) andΛc+→Λ0π+π+π− (57±14 events) have been detected. The mean value ofΛc+ mass is (2,268±6) MeV/c2. The invariant cross section forX>0.5 is described byE·d3σ/dp3∝ exp(−)bPT·(1−X)n withb=(2.5±0.6) (GeV/c)−1 andn=(1.5±0.5).The cross section of theΛc+ inclusive production measured forX>0.5 times the branching ratios are

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