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NSR database version of April 27, 2024.

Search: Author = V.I.Medvedev

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2014ER02      Eur.Phys.J. A 50, 98 (2014)

K.N.Ermakov, V.I.Medvedev, V.A.Nikonov, O.V.Rogachevsky, A.V.Sarantsev, V.V.Sarantsev, S.G.Sherman

The study of the proton-proton collisions at the beam momentum 1581 MeV/c

NUCLEAR REACTIONS ¹H(p, x), E at 1581, 1628 MeV/c; measured reaction products; deduced σ, σ(θ) for different processes; calculated σ, σ(θ) using event-by-event maximum-likelihood method; deduced leading partial waves.

doi: 10.1140/epja/i2014-14098-5
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2011ER07      Eur.Phys.J. A 47, 159 (2011)

K.N.Ermakov, V.I.Medvedev, V.A.Nikonov, O.V.Rogachevsky, A.V.Sarantsev, S.G.Sherman

The study of the proton-proton collisions at the beam momentum 1628 MeV/c

NUCLEAR REACTIONS ¹H(p, p), (p, pπ⁰), (p, nπ⁺), E at 1628 MeV/c; measured reaction products; deduced σ(θ), σ, four-momentum transfer distribution; calculated σ(θ), σ, isoscalar σ using PWA.

doi: 10.1140/epja/i2011-11159-3
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2010SA18      Eur.Phys.J. A 43, 11 (2010)

V.V.Sarantsev, K.N.Ermakov, L.M.Kochenda, V.I.Medvedev, V.A.Nikonov, O.V.Rogachevsky, A.V.Sarantsev, S.G.Sherman, V.A.Trofimov, A.A.Vasiliev

The study of the negative pion production in neutron-proton collisions at beam momenta below 1.8 GeV/c

doi: 10.1140/epja/i2009-10891-5
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2006PA48      Iader.Fiz.Enerh. 7 no.2, 16 (2006)

Yu.M.Pavlenko, O.K.Gorpynych, V.N.Dobrikov, N.L.Doroshko, V.O.Kyva, I.N.Kolomiets, V.I.Medvedev, Val.M.Pirnak

Experimental study of the excited states of helium isotopes in the reactions ⁷Li(d, ^{3, 4, 6}He) at deuteron energy of 37 MeV

NUCLEAR REACTIONS ⁷Li(d, ³He), (d, α), (d, ⁶He), E=37 MeV;measured reaction products; deduced σ(E, θ). ³He, ⁴He, ⁶He; deduced level energies, widths, branching ratios.

doi: 10.15407/jnpae
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2004SA42      Eur.Phys.J. A 21, 303 (2004)

V.V.Sarantsev, K.N.Ermakov, V.I.Medvedev, T.S.Oposhnyan, O.V.Rogachevsky, S.G.Sherman

The study of the neutral pion production in proton-proton collisions at beam momenta 1581 and 1683 MeV/c

NUCLEAR REACTIONS ¹H(p, pπ⁰), E at 1581, 1683 MeV/c; measured particle momentum spectra, σ(θ), σ. Comparison with one-pion exchange model predictions.

doi: 10.1140/epja/i2003-10207-y
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1994AN10      Phys.Rev. C50, 15 (1994)

V.P.Andreev, A.V.Kravtsov, M.M.Makarov, V.I.Medvedev, V.I.Poromov, V.V.Sarantsev, S.G.Sherman, G.L.Sokolov, A.B.Sokornov

Experimental Study of the Reaction pp → ppπ⁰ in the Energy Range 600-900 MeV

NUCLEAR REACTIONS ¹H(p, pπ⁰), E=600-900 MeV; measured energy spectra, σ(θ), mass distributions; deduced one pion exchange model applicability.

doi: 10.1103/PhysRevC.50.15
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1994PA44      Bull.Rus.Acad.Sci.Phys. 58, 783 (1994)

Yu.N.Pavlenko, V.M.Pugatch, I.N.Kolomiets, Yu.O.Vasiliev, M.V.Evlanov, V.N.Dobrikov, V.A.Kiva, A.A.Klipenshtein, V.I.Medvedev, A.G.Prokopets, G.B.Sivtsov, S.V.Berdnichenko

Fragmentation Process in Interaction of ¹⁴N Ions (E = 9 MeV/Nucleon) with ⁵⁸Ni Nuclei

NUCLEAR REACTIONS ⁵⁸Ni(¹⁴N, X), E=9 MeV/nucleon; measured σ(fragment θ), energy distribution; deduced large unbound ⁸Be yield.

1993ME18      Bull.Rus.Acad.Sci.Phys. 57, 759 (1993)

V.I.Medvedev, Yu.N.Pavlenko, V.M.Pugach

Isoscalar Giant Resonances in ⁵⁸Ni, ⁶⁴Ni, and ¹²⁰Sn Nuclei at Inelastic Scattering of α-Particles with the Energy of about 100 MeV

NUCLEAR REACTIONS ^58,64Ni, ¹²⁰Sn(α, α'), E=97.3 MeV; measured σ(θ, Eα). ^58,64Ni, ¹²⁰Sn deduced giant resonance parameters.

1993PA24      Bull.Rus.Acad.Sci.Phys. 57, 871 (1993)

Yu.N.Pavlenko, V.M.Pugach, I.N.Kolomiets, V.A.Kiva, V.I.Medvedev, Yu.O.Vasilev, A.G.Prokopets, S.V.Berdnichenko

Correlation Technique for Investigating Unbound Nuclear States in Multiparticle Reactions with Heavy Ions

NUCLEAR REACTIONS ⁶⁴Ni, ¹²⁴Sn(¹⁴N, X), E=127 MeV; measured αα(θ), energy correlations; deduced spectator particles role.

1993PA31      Bull.Rus.Acad.Sci.Phys. 57, 1788 (1993)

Yu.N.Pavlenko, V.M.Pugach, V.A.Kiva, V.I.Medvedev, Yu.O.Vasiliev, V.N.Dobrikov, I.N.Kolomiets

Three-Particle Continuum and α-Decay of High-Excited States of the ⁸Be Nucleus Produced in Reaction ¹⁰B(dα) at E(d) = 48 MeV

NUCLEAR REACTIONS ¹⁰B(d, αX), E=48 MeV; measured inclusive α-spectra; deduced ⁸Be excited states role. ⁸Be deduced possible resonances, Γ.

1992PU04      Bull.Rus.Acad.Sci.Phys. 56, 457 (1992)

V.M.Pugach, V.I.Medvedev, Yu.N.Pavlenko, O.F.Nemets, F.I.Karmanov, V.V.Komarov, A.M.Popova, V.L.Shablov

Dependence of the Observed Fragmentation of Giant Resonances from Charge and Energy of Heavy Ions

NUCLEAR REACTIONS ¹²⁰Sn(¹⁴N, ¹⁴N'X), E=130 MeV; calculated effective Coulomb parameter near giant resonance for X=n, p, α; deduced Coulomb field role in giant resonance decay, (particle)(particle)-coin.

1992PU06      Bull.Rus.Acad.Sci.Phys. 56, 1768 (1992)

V.M.Pugach, Yu.N.Pavlenko, A.G.Prokopets, Yu.O.Vasilev, V.A.Kiva, V.I.Medvedev

Decay Probability Ratio for Highly Excited States of the ⁸Be(*) Nucleus in the Reactions ¹⁰B(dα)2α and ¹⁰B(dα)p⁷Li

NUCLEAR REACTIONS ¹⁰B(d, 2α), (d, pα), E=13.6 MeV; measured σ(θ₁, θ₂). ⁸Be levels deduced Γα/Γp.

1988AN02      Z.Phys. A329, 371 (1988)

V.P.Andreev, A.V.Kravtsov, M.M.Makarov, V.I.Medvedev, V.I.Poromov, V.V.Sarantsev, S.G.Sherman, G.L.Sokolov, A.B.Sokornov, V.A.Trofimov

Measurement of the Cross Section of the Reaction pp → ppπ⁰ in the Region of Dibaryon Resonances

NUCLEAR REACTIONS ¹H(p, pπ⁰), E=0.6-0.9 GeV; measured pion production σ(E); deduced no dibaryon resonances.

1988ME14      Izv.Akad.Nauk SSSR, Ser.Fiz. 52, 907 (1988); Bull.Acad.Sci.USSR, Phys.Ser. 52, NO.5, 70 (1988)

V.I.Medvedev, Yu.O.Vasilev, M.V.Evlanov, V.A.Kiva, O.F.Nemets, Yu.N.Pavlenko, V.M.Pugach

Shattering of 96 MeV α Particles in the Field of ^58,64Ni Nuclei

NUCLEAR REACTIONS ⁶⁴Ni(α, 2d), E=96 MeV; measured σ(θ₁, θ₂, E₁); deduced diffuseness parameter. Diffraction model.

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD5114.

1988WO08      Yad.Fiz. 48, 6 (1988)

B.B.Woitsekhowski, D.M.Nikolenko, S.G.Popov, N.I.Popova, D.K.Toporkov, V.I.Medvedev, V.M.Pugach

Coincidence Electroexcitation of Nickel Nuclei with Detection of Scattered Electron and Charged Secondaries

NUCLEAR REACTIONS ⁵⁸Ni(e, e'p), (e, e'α), E not given; measured σ(θ(e'), θp), σ(θ(e'), θα) vs E(e'). ⁵⁸Ni deduced α to proton yield ratio near GQR.

1987AN06      Z.Phys. A327, 363 (1987)

V.P.Andreev, A.V.Kravtsov, M.M.Makarov, V.I.Medvedev, G.Z.Obrant, V.I.Poromov, V.V.Sarantsev, S.G.Sherman, G.L.Sokolov, A.B.Sokornov

The Reaction pd → ppn and the Narrow Dibaryon Resonances

NUCLEAR REACTIONS ²H(p, pn), E=800-1000 MeV; measured proton, neutron effective mass, momenta distributions; deduced dibaryon resonance parameters.

1987VA29      Izv.Akad.Nauk SSSR, Ser.Fiz. 51, 983 (1987); Bull.Acad.Sci.USSR, Phys.Ser. 51, No.5, 140 (1987)

Yu.O.Vasilev, V.V.Zerkin, V.A.Kiva, V.I.Medvedev, Yu.N.Pavlenko, Dzh.Pizent, V.M.Pugach

Excitation and Decay of ⁷Li (4.63) → α + t in Reactions ⁷Li(α, α₁)⁷Li (4.63) and ⁹Be(d, α₁)⁷Li (4.63) for Similar Kinematic Conditions

NUCLEAR REACTIONS ⁹Be(d, αt), E=13.6 MeV; ⁷Li(α, αt), E=27.2 MeV; calculated σ(θ₁, θ₂).

1985KO29      Izv.Akad.Nauk SSSR, Ser.Fiz. 49, 1026 (1985); Bull.Acad.Sci.USSR, Phys.Ser. 49, No.5, 179 (1985)

Yu.E.Kozyr, V.I.Medvedev, Yu.N.Pavlenko, V.M.Pugach

Study of the Mechanism of ⁷Li(α, 2α)t and ⁶Li(α, 2α)d Reactions near E(α) = 27.2 MeV

NUCLEAR REACTIONS ^6,7Li(α, 2α), E=27.2 MeV; measured σ(Eα₁, θα₁, θα₂); deduced reaction mechanism.

1985PU03      Izv.Akad.Nauk SSSR, Ser.Fiz. 49, 905 (1985); Bull.Acad.Sci.USSR, Phys.Ser. 49, No.5, 65 (1985)

V.M.Pugach, Yu.E.Kozyr, V.I.Medvedev, Yu.N.Pavlenko, V.V.Komarov, A.M.Popova, V.L.Shablov

Quantum Characteristics of Shortlived States of ⁸Be Excited in Two and Three-Particle Reactions

NUCLEAR REACTIONS ⁹Be(³He, α), E=9.94 MeV; ¹¹B(p, α), E=1.98, 2.62, 0.68 MeV; ¹⁰B(d, α), E=2.5, 3 MeV; ⁷Li(α, t), E=50 MeV; ⁹Be(p, d), E=9 MeV; analyzed breakup σ(θα₁, θα₂, Eα₁). ⁸Be deduced resonances, Γ.

1984DA01      Nucl.Phys. A414, 477 (1984)

L.G.Dakhno, A.V.Kravtsov, M.M.Makarov, V.I.Medvedev, G.Z.Obrant, V.I.Poromov, V.V.Sarantsev, G.L.Sokolov, S.G.Sherman

Deuteron Breakup by Intermediate Energy Pions

NUCLEAR REACTIONS ²H(π^-, π^-p), (π^-, π^-n), E at 438, 552 MeV/c; measured σ(Ep), σ(En) vs nucleon momentum, correlation distributions; deduced pion rescattering role in deuteron breakup. Deuterium bubble chamber.

doi: 10.1016/0375-9474(84)90614-6
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1983BA39      Nucl.Phys. A403, 515 (1983)

A.V.Bannikov, B.Levay, V.I.Petrukhin, V.A.Vasilyev, L.M.Kochenda, A.A.Markov, V.I.Medvedev, G.L.Sokolov, I.I.Strakovsky, D.Horvath

Studies on the Atomic Capture of Stopped Negative Pions in Binary Mixtures of ³He with Other Gases

NUCLEAR REACTIONS ³He(π^-, π⁰), E ≈ 0; measured γγ-coin; deduced reaction branching ratio, atomic capture ratios for ⁴He, Ne, Ar, Kr, Xe, N₂, O₂, CO₂, SF₆, dependence on atomic number, concentration, relative stopping powers. Gas targets, Cerenkov detectors. Phenomenological analysis.

doi: 10.1016/0375-9474(83)90620-6
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1983DA04      Phys.Lett. 123B, 33 (1983)

L.G.Dakhno, A.V.Kravtsov, M.M.Makarov, V.I.Medvedev, G.Z.Obrant, V.I.Poromov, V.V.Sarantsev, G.L.Sokolov, S.G.Sherman

An Enhancing Δ₃₃-Resonance Effect in the ' Cumulative ' Nucleon Spectra from the Deuteron Breakup Reaction π^-d → π^-pn

NUCLEAR REACTIONS ²H(π^-, π^-p), E at 371, 438, 552 MeV/c; measured σ(θp, Ep), σ(θn, En); deduced isobar resonance formation.

doi: 10.1016/0370-2693(83)90952-8
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1983DA25      Yad.Fiz. 37, 907 (1983); Sov.J.Nucl.Phys. 37, 540 (1983)

L.G.Dakhno, A.V.Kravtsov, E.A.Lobachev, M.M.Makarov, V.I.Medvedev, G.Z.Obrant, V.I.Poromov, V.V.Sarantsev, G.L.Sokolov, A.B.Sokornov, S.G.Sherman, V.A.Trofimov

Measurement of the Cross Sections for Production of Pion Pairs in Nucleon-Nucleon Collisions at Energies below 1 GeV. Isospin Analysis

NUCLEAR REACTIONS ¹n, ^1,2H(p, π⁺π^-), ¹n(p, π⁰π^-), E=730, 738, 837, 884, 938 MeV; measured σ vs proton momentum; deduced meson pair production isospin dependence.

1983DO02      Nucl.Phys. B214, 1 (1983)

A.V.Dobrovolsky, A.V.Khanzadeev, G.A.Korolev, E.M.Maev, V.I.Medvedev, G.L.Sokolov, N.K.Terentyev, Y.Terrien, G.N.Velichko, A.A.Vorobyov, Yu.K.Zalite

Small Angle pp Scattering at Energies from 650 to 1000 MeV

NUCLEAR REACTIONS ¹H(p, p), E=648-992 MeV; measured σ(θ); deduced spin-spin amplitudes. Coincidence technique.

doi: 10.1016/0550-3213(83)90163-3
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1980DA20      Yad.Fiz. 31, 626 (1980); Sov.J.Nucl.Phys. 31, 326 (1980)

L.G.Dakhno, A.V.Kravtsov, M.M.Makarov, V.I.Medvedev, G.Z.Obrant, V.I.Poromov, V.V.Sarantsev, G.L.Sokolov, S.G.Sherman

Elastic π^- d Scattering at the Momentum of 552 MeV/c

NUCLEAR REACTIONS ²H(π^-, π^-), E at 552 MeV/c; measured σ(θ), total σ. Bubble chamber. Glauber theory.

1980DA21      Yad.Fiz. 31, 630 (1980); Sov.J.Nucl.Phys. 31, 328 (1980)

L.G.Dakhno, A.V.Kravtsov, M.M.Makarov, V.I.Medvedev, G.Z.Obrant, V.I.Poromov, V.V.Sarantsev, G.L.Sokolov, S.G.Sherman

Deuteron Break-Up by Pions at the Momentum of 438 MeV/c

NUCLEAR REACTIONS ²H(π^-, π^-p), E at 438 MeV/c; measured σ(θn), σ(θp), kinematical variable distributions; deduced deuteron breakup, final-state interaction effects.

1979KR06      Nucl.Phys. A322, 439 (1979)

A.V.Kravtsov, M.M.Makarov, V.I.Medvedev, G.Z.Obrant, V.I.Poromov, V.V.Sarantsev, G.L.Sokolov, S.G.Sherman

Elastic π^-d Scattering at 438 MeV/c

NUCLEAR REACTIONS ²H(π^-, π^-), E=320 MeV; measured σ(θ).

doi: 10.1016/0375-9474(79)90436-6
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