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3篇 您的检索式:作者名="S.A.Nikitin"
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1Measurement of J/ψ→η_cγ at KEDR显示文摘We present a study of the inclusive photon spectra from 5.9 million J/ψ decays collected with the KEDR detector at the VEPP-4M e+e-collider.We measure the branching fraction of radiative decay J/ψ→ηcγ,ηc width and mass.Our preliminary results are:M(ηc)=2979.4±1.5±1.9 MeV/c2,Γ(ηc)=27.8±5.1±3.3 MeV,B(J/ψ→ηcγ)=(2.34±0.15±0.40)%.V.V.Anashin V.M.Aulchenko E.M.Baldin A.K.Barladyan A.Yu.Barnyakov M.Yu.Barnyakov S.E.Baru I.V.Bedny O.L.Beloborodova A.E.Blinov V.E.Blinov A.V.Bobrov V.S.Bobrovnikov A.V.Bogomyagkov A.E.Bondar A.R.Buzykaev S.I.Eidelman Yu.M.Glukhovchenko V.V.Gulevich D.V.Gusev S.E.Karnaev G.V.Karpov S.V.Karpov T.A.Kharlamova V.A.Kiselev S.A.Kononov K.Yu.Kotov E.A.Kravchenko V.F.Kulikov G.Ya.Kurkin E.A.Kuper E.B.Levichev D.A.Maksimov V.M.Malyshev A.L.Maslennikov A.S.Medvedko O.I.Meshkov A.I.Milstein S.I.Mishnev I.I.Morozov N.Yu.Muchnoi V.V.Neufeld S.A.Nikitin I.B.Nikolaev I.N.Okunev A.P.Onuchin S.B.Oreshkin I.O.Orlov A.A.Osipov S.V.Peleganchuk S.G.Pivovarov P.A.Piminov V.V.Petrov A.O.Poluektov I.N.Popkov G.E.Pospelov V.G.Prisekin A.A.Ruban V.K.Sandyrev G.A.Savinov A.G.Shamov D.N.Shatilov B.A.Shwartz E.A.Simonov S.V.Sinyatkin Yu.I.Skovpen A.N.Skrinsky V.V.Smaluk A.V.Sokolov A.M.Sukharev E.V.Starostina A.A.Talyshev V.A.Tayursky V.I.Telnov Yu.A.Tikhonov K.Yu.Todyshev G.M.Tumaikin Yu.V.Usov A.I.Vorobiov A.N.Yushkov V.N.Zhilich V.V.Zhulanov A.N.Zhuravlev 2010Chinese Physics C2010,34,6:6
2Magnetic properties, magnetoresistivity and magnetocaloric effect in Gd_xLa_(1-x)-MnSi alloys显示文摘The results of magnetization, magnetoresistivity and magnetocaloric effect (MCE) studies performed on polycrystalline samples of the GdxLa1–xMnSi (x=0.5, 0.6, 0.7, 0.8, 0.9, 1.0) compounds were presented. Complex measurements were carried out on the GdxLa1–xMnSi compounds to determine the influence of substitution in the rare earth (R) sublattice on the magnetic and related properties of these compounds. The compounds with x≤0.6 demonstrated two magnetic phase transitions (ferromagnetic to paramagnetic and antiferro- magnetic to ferromagnetic) both of which were first order. Anomalies in the magnetocaloric effect, electroresistivity and magnetoresistivity were observed in the temperature ranges of the magnetic phase transitions. The temperature dependences of MCE and magnetoresistivity for these compounds correlated with the temperature dependence of magnetization.T.I.Ivanova S.A.Nikitin W.Suski G.A.Tskhadadze I.A.Ovtchenkova D.Badurski 2009Journal of Rare Earths2009,27,4:2
3Recent results from the KEDR detector显示文摘We report results of experiments performed with the KEDR detector at the VEPP-4M e+e-collider.They include precise measurement of the D0 and D± meson masses,determination of the ψ(3770) resonance parameters,and a search for narrow resonances in e+e-annihilation at center-of-mass energies between 1.85 and 3.1 GeV.V.V.Anashin V.M.Aulchenko E.M.Baldin A.K.Barladyan A.Yu.Barnyakov M.Yu.Barnyakov S.E.Baru I.V.Bedny O.L.Beloborodova A.E.Blinov V.E.Blinov A.V.Bobrov V.S.Bobrovnikov A.V.Bogomyagkov A.E.Bondar A.R.Buzykaev S.I.Eidelman Yu.M.Glukhovchenko V.V.Gulevich D.V.Gusev S.E.Karnaev S.V.Karpov T.A.Kharlamova V.A.Kiselev S.A.Kononov K.Yu.Kotov E.A.Kravchenko V.F.Kulikov G.Ya.Kurkin E.A.Kuper E.B.Levichev D.A.Maksimov V.M.Malyshev A.L.Maslennikov A.S.Medvedko O.I.Meshkov S.I.Mishnev I.I.Morozov N.Yu.Muchnoi V.V.Neufeld S.A.Nikitin I.B.Nikolaev I.N.Okunev A.P.Onuchin S.B.Oreshkin I.O.Orlov A.A.Osipov S.V.Peleganchuk S.G.Pivovarov P.A.Piminov V.V.Petrov A.O.Poluektov I.N.Popkov V.G.Prisekin A.A.Ruban V.K.Sandyrev G.A.Savinov A.G.Shamov D.N.Shatilov B.A.Shwartz E.A.Simonov S.V.Sinyatkin Yu.I.Skovpen A.N.Skrinsky V.V.Smaluk A.V.Sokolov A.M.Sukharev E.V.Starostina A.A.Talyshev V.A.Tayursky V.I.Telnov Yu.A.Tikhonov K.Yu.Todyshev G.M.Tumaikin Yu.V.Usov A.I.Vorobiov A.N.Yushkov V.N.Zhilich V.V.Zhulanov A.N.Zhuravlev 2010Chinese Physics C2010,34,6:2
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