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NSR database version of May 3, 2024.

Search: Author = G.A.Vartapetyan

Found 34 matches.

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1995VA33      Yad.Fiz. 58, No 5, 779 (1995); Phys.Atomic Nuclei 58, 718 (1995)

G.A.Vartapetyan, G.G.Mkrtchyan, I.A.Troshenkova, A.S.Galoyan, V.O.Tatevosyan, G.B.Kazaryan, E.M.Oganesyan, G.E.Babayan, A.O.Gasparyan, I.G.Gondzhiyan, A.V.Grigoryan, S.K.Santryan, A.A.Shaginyan, V.G.Yakovlev

Electron Scattering by ¹²C Nuclei and the Coulomb Sum Rule at Momentum Transfers θ ≤ 700 MeV/c

NUCLEAR REACTIONS ¹²C(e, e'), E=1.45-2.39 GeV; measured spectra; deduced longitudinal, transverse response functions, Coulomb sum rule related features.

1989AG04      Yad.Fiz. 50, 1341 (1989)

K.Sh.Agababyan, A.A.Belyaev, G.A.Vartapetyan, V.A.Getman, A.L.Golendukhin, I.I.Danilenko, A.P.Dzyubak, A.P.Kazaryan, A.A.Lukhanin, Zh.V.Manukyan, K.K.Mkrtchyan, E.G.Muradyan, A.Yu.Neffa, A.M.Sirunyan, P.V.Sorokin, S.S.Stepanyan

Measurement of Polarization Parameters Σ, T, and P in π⁰ Photoproduction at Eγ = 0.9-1.35 GeV

NUCLEAR REACTIONS ¹H(polarized γ, π⁰), E=0.9-1.35 GeV; measured polarization parameters. Polarized target.

1988AM05      Yad.Fiz. 48, 461 (1988); Sov.J.Nucl.Phys. 48, 290 (1988)

K.A.Amroyan, G.A.Vartapetyan, E.O.Grigoryan, N.A.Demekhina

Analysis of the Charge Distribution of Products of Photodisintegration of Silver at E(γ)(max) = 4.5 GeV

NUCLEAR REACTIONS Ag(γ, X), E=4.5 GeV bremsstrahlung; measured spallation product yields for X=¹⁰⁶Ag-⁹²Nb.

1988AV06      Yad.Fiz. 48, 1716 (1988)

R.O.Avakyan, E.O.Avakyan, A.E.Avetisyan, R.B.Aivazyan, G.A.Arestakesyan, A.S.Bagdasaryan, G.A.Vartapetyan, Yu.A.Garibyan, V.S.Eganov, A.P.Karapetyan, I.A.Keropyan, G.O.Marukyan, E.M.Matevosyan, M.A.Megrabyan, A.A.Oganesyan, M.A.Oganesyan, G.M.Petrosyan, Zh.V.Petrosyan, I.P.Prokhorenko, Zh.S.Saakyan, Yu.Z.Sukiasyan, E.M.Skhtoryan, S.P.Taroyan, G.M.Elbakyan

Measurement of Polarization of Protons in the Reaction γp → pπ⁰ at θ(π⁰)(*) = 80° in a Linearly-Polarized Proton Beam

NUCLEAR REACTIONS ¹H(polarized γ, π⁰), E=70-1066 MeV; measured recoil proton polarization. Linearly polarized beam.

1987AV09      Yad.Fiz. 46, 1445 (1987)

R.O.Avakyan, E.O.Avakyan, A.E.Avetisyan, A.V.Agaronyan, R.A.Asatryan, A.S.Bagdasaryan, G.A.Vartapetyan, V.G.Gavalyan, Yu.A.Garibyan, K.R.Dallakyan, V.S.Eganov, A.P.Karapetyan, I.A.Keropyan, G.O.Marukyan, E.M.Matevosyan, A.A.Oganesyan, M.A.Oganesyan, Zh.V.Petrosyan, G.M.Petrosyan, Zh.S.Saakyan, Yu.Z.Sukiasyan, E.M.Skhtoryan, S.P.Taroyan, G.M.Elbakyan

Measurement of Proton Polarization in π⁰ Photoproduction at θ(*)(π⁰) = 70° in Linearly Polarized Photon Beam

NUCLEAR REACTIONS ¹H(polarized γ, π⁰), E=0.78-1.17 GeV; measured recoil proton polarization vector components. Linearly polarized beam.

1986AS05      Pisma Zh.Eksp.Teor.Fiz. 44, 266 (1986); JETP Lett.(USSR) 44, 341 (1986)

M.M.Asaturyan, A.A.Belyaev, G.A.Vartapetyan, A.L.Golendukhin, A.Ya.Derkach, A.P.Kazaryan, I.M.Karnaukhov, A.A.Lukhanin, Zh.V.Manukyan, E.G.Muradyan, A.M.Sirunyan, P.V.Sorokin, V.A.Ekizyan

Polarization Parameters Σ, T, and P for the Reaction γp → pπ⁰ in the Energy Interval 0.9-1.5 GeV at θ(π⁰)(c.m.) = 120°

NUCLEAR REACTIONS ¹H(polarized γ, p), E=0.9, 1.2, 1.5 MeV; measured polarization observables, parameters vs θ. Magnetic spectrometer, Cerenkov counter, polarized target.

1986AV07      Yad.Fiz. 44, 566 (1986)

A.R.Avakyan, G.A.Vartapetyan, E.O.Grigoryan, N.A.Demekhina

Energy Dependence of Cross Sections of Some Copper Photospallation Reactions Induced by Photons of Coherent and Incoherent Bremsstrahlung

NUCLEAR REACTIONS Cu(γ, X), (polarized γ, X)⁵⁷Ni/⁵⁶Co/⁵²Mn/⁵⁴Mn/⁵⁵Mn/⁴⁴Sc/^44mSc/⁴²K/⁴³K/²⁴Na, E ≤ 3.75 GeV; measured residuals yields; calculated σ(E). Fredholm equation, Tikhonov regularization method. Ge(Li) detector.

1985AD14      Pisma Zh.Eksp.Teor.Fiz. 42, 345 (1985); JETP Lett.(USSR) 42, 425 (1985)

V.V.Adamyan, G.G.Akopyan, G.A.Vartapetyan, P.I.Galumyan, V.O.Grabsky, V.V.Karapetyan, G.V.Karapetyan, V.K.Oktanyan

Asymmetry of the Cross Section of the Reaction γn → π^-p induced by Linearly Polarized Photons with Energies 0.8-1.75 GeV

NUCLEAR REACTIONS ¹n(polarized γ, π^-), E=0.8-1.75 GeV; measured σ asymmetry. Linearly polarized beam.

1985AG04      Yad.Fiz. 41, 1401 (1985)

K.Sh.Agababyan, F.V.Adamyan, G.G.Akopyan, G.A.Vartapetyan, P.I.Galumyan, V.O.Grabsky, V.V.Karapetyan, G.V.Karapetyan, M.S.Kordonsky

Study of Deuteron Photodisintegration by Linearly Polarized Photons in the Energy Range E(γ) = 0.4-0.8 GeV

NUCLEAR REACTIONS ²H(polarized γ, n), E=0.4-0.8 GeV; measured σ asymmetry vs θ. Linearly polarized beam, two-arm spectrometer.

1984AD05      Pisma Zh.Eksp.Teor.Fiz. 39, 239 (1984); JETP Lett.(USSR), 39, 286 (1984)

F.V.Adamyan, G.G.Akopyan, G.A.Vartapetyan, P.I.Galumyan, V.O.Grabsky, V.V.Karapetyan, G.V.Karapetyan

Asymmetry of the Cross Section for the Reaction γd → pn Induced by Linearly Polarized γ Rays in the Energy Region E(γ) = 0.4-0.8 GeV and θp(cm) = 45°-95°

NUCLEAR REACTIONS ²H(polarized γ, p), E=0.4-0.8 GeV; measured σ(θ) asymmetry.

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0565.

1984AD10      Pisma Zh.Eksp.Teor.Fiz. 39, 579 (1984); JETP Lett.(USSR) 39, 710 (1984)

F.V.Adamyan, G.G.Akopyan, G.A.Vartapetyan, P.I.Galumyan, V.O.Grabsky, V.V.Karapetyan, G.V.Karapetyan, V.K.Oktanyan

Asymmetry of the Cross Section for the Reaction γd → π⁰d with Linearly Polarized γ Rays at 500-700 MeV and at a c.m. Angle θ(π⁰) = 130°

NUCLEAR REACTIONS ²H(polarized γ, π⁰), E=500, 600, 700 MeV; measured σ asymmetry; deduced dibaryon resonance role.

1984AV05      Izv.Akad.Nauk Arm.SSR, Ser.Fiz. 19, 50 (1984)

R.O.Avakyan, G.A.Avdalyan, A.E.Avetisyan, K.Sh.Agababyan, A.V.Agaronyan, A.A.Armaganyan, L.G.Artyunyan, A.S.Bagdasaryan, G.A.Vartapetyan, S.S.Danagulyan, V.S.Eganov, A.P.Karapetyan, G.O.Marukyan, E.M.Matevosyan, R.M.Mirzoyan, A.A.Oganesyan, Zh.V.Petrosyan, I.P.Prokhorenko, E.M.Skhtoryan, R.Ts.Sarkisyan, S.P.Taroyan, G.M.Elbakyan, E.O.Avakyan, M.A.Oganesyan

Study of the Cross Section Asymmetry in the Reaction γp → pπ⁰ for Pion Production Angle of 65° C.M. in the Resonance Region

NUCLEAR REACTIONS ¹H(polarized γ, π⁰), E=0.81-1.38 GeV; measured σ(E) asymmetry.

1984AV10      Yad.Fiz. 40, 924 (1984)

R.O.Avakyan, A.S.Bagdasaryan, G.A.Vartapetyan, A.A.Oganesyan, Zh.V.Petrosyan

Angular Dependence of the Cross Section Asymmetry for the γp → pπ⁰ Reaction in Resonance Region

NUCLEAR REACTIONS ¹H(polarized γ, π⁰), E=0.8, 1, 1.2 GeV; measured pion production asymmetry vs θ.

1983AV03      Yad.Fiz. 37, 334 (1983)

R.O.Avakyan, E.O.Avakyan, A.E.Avetisyan, A.A.Armaganyan, L.G.Arutyunyan, N.Z.Akopov, A.S.Bagdasaryan, G.A.Vartapetyan, Yu.A.Garibyan, S.S.Danagulyan, V.S.Eganov, A.G.Iskandaryan, A.P.Karapetyan, I.Kh.Kosakov, G.O.Marukyan, R.M.Mirzoyan, A.A.Oganesyan, M.A.Oganesyan, Zh.V.Petrosyan, R.Ts.Sarkisyan, E.M.Skhtoryan, S.P.Taroyan, G.M.Elbakyan

Measurement of Polarization of Recoil Protons in π⁰ Photoproduction for θ(π⁰) = 60° in Resonance Range

NUCLEAR REACTIONS ¹H(γ, π⁰), E=0.8-1.5 GeV; measured recoil proton P(θ).

1983AV10      Yad.Fiz. 38, 1196 (1983)

R.O.Avakyan, A.E.Avetisyan, A.S.Bagdasaryan, G.A.Vartapetyan, S.S.Danagulyan, V.S.Eganov, A.P.Karapetyan, I.Kh.Kosakov, G.O.Marukyan, E.M.Matevosyan, A.A.Oganesyan, Zh.V.Petrosyan, I.P.Prokhorenko, E.M.Skhtoryan, S.P.Taroyan, K.K.Shikhlyarov, G.M.Elbakyan

Measurement of Asymmetry in Cross Section of γp → pπ⁰ Reaction in the Resonance Region

NUCLEAR REACTIONS ¹H(polarized γ, π⁰), E=0.75-1.3 GeV; measured pion photoproduction asymmetry. Dispersion relation analysis.

1982AV09      Yad.Fiz. 36, 393 (1982)

R.O.Avakyan, E.O.Avakyan, A.E.Avetisyan, A.A.Armaganyan, L.G.Arutyunyan, N.Z.Akopov, A.S.Bagdasaryan, G.A.Vartapetyan, Yu.A.Garibyan, S.S.Danagulyan, V.S.Eganov, A.G.Iskandaryan, A.P.Karapetyan, I.Kh.Kosakov, G.O.Marukyan, R.M.Mirzoyan, A.A.Oganesyan, M.A.Oganesyan, Zh.V.Petrosyan, R.Ts.Sarkisyan, E.M.Skhtoryan, S.P.Taroyan, G.M.Elbakyan

Measurement of Polarization of Protons in the Reaction γp → pπ⁰ with a Linearly-Polarized Photon Beam

NUCLEAR REACTIONS ¹H(polarized γ, π⁰), E=0.8-1.5 GeV; measured recoil proton polarization. Linearly polarized beam.

1981VA19      Yad.Fiz. 34, 289 (1981)

G.A.Vartapetyan, E.O.Grigoryan, A.S.Danagulyan, N.A.Demekhina, A.G.Khudaverdyan

Charge Distribution of Residual Nuclei following Photospallation of ⁹³Nb

NUCLEAR REACTIONS ⁹³Nb(γ, X), E=4.5 GeV bremsstrahlung; measured σ(fragment Z), yields for ^{88,89m,90,91m,92m}Nb, ^86,87,88,89Zr, ^{84,85,85m,86,86m,87,87m,88,90m}Y, ^82,83Sr, ^{79,81,82m,83,84}Rb, ^75,76,77Br, ^72,73,75Se, ^71,72,74As, ^66,67Ga, ⁶⁵Zn, ^58,57Co, ⁵⁴Mn, ⁴⁶Sc. Activation technique.

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0151.

1980AR19      Yad.Fiz. 32, 1165 (1980)

G.V.Arustamyan, G.A.Vartapetyan, A.S.Danagulyan, A.G.Khudaverdyan

Photodisintegration of ⁵⁸Ni and ⁶⁴Ni Isotopes and Study of Isotopic Effect

NUCLEAR REACTIONS ^58,64Ni(γ, xnyp), E=4.5 GeV; measured production σ for ^{62,61,60,58,57,56}Co, ^57,56Ni, ^59,52Fe, ^56,54,52,52mMn, ^51,49,48Cr, ^{48,47,46,44m,43}Sc, ⁴³K; deduced isotopic spin dependence. Rudstam formula.

1977AS03      Yad.Fiz. 25, 1133 (1977); Sov.J.Nucl.Phys. 25, 601 (1977)

V.M.Asaturyan, E.O.Grigoryan, G.A.Vartapetyan, A.S.Danagulyan, N.A.Demekhina, A.G.Khudaverdyan

Reactions Induced in Light Nuclei by Bremsstrahlung with Maximum Energies from 2 to 4.5 GeV

NUCLEAR REACTIONS ²⁷Al, ²⁸Si, ³¹P, ³²S, ⁴⁰Ca(γ, X), E=2, 2.4, 3, 4.5 GeV bremsstrahlung; measured yields of residual nuclei; deduced production mechanisms for light fragments.

1977DA13      Nucl.Phys. A285, 482 (1977)

A.S.Danagulyan, N.A.Demekhina, G.A.Vartapetyan

Photonuclear Reactions in Medium Weight Nuclei ⁵¹V, ⁵⁵Mn and Cu

NUCLEAR REACTIONS ⁵¹V, ⁵⁵Mn, Cu(γ, X), E=2-5 GeV bremsstrahlung; measured activation σ(E).

doi: 10.1016/0375-9474(77)90647-9
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0152.

1976AB10      Pisma Zh.Eksp.Teor.Fiz. 23, 514 (1976); JETP Lett.(USSR) 23, 375 (1976)

L.O.Abramyan, R.O.Avakyan, N.Z.Akopov, A.O.Aganyants, G.A.Vartapetyan, P.I.Galumyan, A.N.Lebedev, E.G.Muradyan, S.E.Piliposyan, A.M.Sirunyan, A.G.Khudaverdyan

Asymmetry of the Cross Section of the Reaction γP → Pπ⁰ in the Energy Interval 0.9-1.65 GeV at θ⁰π cms = 110°

NUCLEAR REACTIONS ¹H(polarized γ, π), E(cm)=0.9-1.65 GeV; measured σ.

1975AB12      Yad.Fiz. 22, 520 (1975); Sov.J.Nucl.Phys. 22, 269 (1975)

L.O.Abramyan, A.O.Aganyants, G.A.Vartapetyan, S.R.Gevorkyan, A.G.Khudaverdyan

Incoherent Photoproduction of π± Mesons in Nuclei at a Photon Energy Of 2 GeV

NUCLEAR REACTIONS H, C, Al, Cu, Ag, Pb(γ, π^-), (γ, π⁺), E=2 GeV; measured σ.

1975VA18      Yad.Fiz. 22, 433 (1975); Sov.J.Nucl.Phys. 22, 223 (1976)

G.A.Vartapetyan, N.A.Demekhina, A.G.Khudaverdyan, E.O.Grigoryan, A.S.Danagulyan

Disintegration of the ⁵⁵Mn Nucleus by Photons with Maximum Energy from 2 to 5 GeV

NUCLEAR REACTIONS ⁵⁵Mn(γ, xnyp), E=2-5 GeV; measured fragment mass yields for 20 nuclei.

1975VA22      Izv.Akad.Nauk Arm.SSR, Ser.Fiz. 10, 251 (1975)

G.A.Vartapetyan, E.O.Grigoryan, A.S.Danagulyan, N.A.Demekhina, A.G.Khudaverdyan, D.S.Chatrchyan

Spallation of ⁵¹V by Photons with Energies between 2 and 5 GeV

NUCLEAR REACTIONS ⁵¹V(γ, X); measured photospallation.

1973VA12      Yad.Fiz. 17, 685 (1973); Sov.J.Nucl.Phys. 17, 356 (1973)

G.A.Vartapetyan, A.S.Danagulyan, N.A.Demekhina, A.G.Khudaverdyan

Photospallation of Nuclei in the Energy Region from 2 to 4.5 BeV

NUCLEAR REACTIONS ¹²C, ⁵⁵Mn, ²⁷Al, Si, S, Cl, K, Ca(γ, X), E=2-4.5 GeV; measured yields, σ.

1972AB17      Yad.Fiz. 16, 739 (1972); Sov.J.Nucl.Phys. 16, 412 (1973)

L.O.Abramyan, A.O.Aganyants, F.V.Adamyan, G.A.Vartapetyan, A.L.Batyan, S.R.Gevorkyan, V.D.Danielyan, N.A.Demekhina, M.K.Israelyan, G.K.Kazaryan, A.N.Lebedev, Z.V.Manukyan, E.G.Muradyan, A.M.Sirunyan, A.G.Khudaverdyan, L.S.Khurshudyan

Photoproduction of Single π⁺ Mesons on Nuclei at Eγ = 2 and 3 GeV. The Parameters of the Proton-Neutron Distribution

NUCLEAR REACTIONS ⁹Be, C, ²⁷Al, Cu, Ag, Pb(γ, π⁺), (γ, π^-), E=2.05, 2.95 GeV; measured σ(π-)/σ(π+).

1971VA25      Yad.Fiz. 14, 65 (1971); Sov.J.Nucl.Phys. 14, 37 (1972)

G.A.Vartapetyan, N.A.Demekhina, V.I.Kasilov, Y.N.Ranyuk, P.V.Sorokin, A.G.Khudaverdyan

Photofission Cross Sections up to 5 BeV, Supergiant Resonance in Photonuclear Reactions

NUCLEAR REACTIONS ¹⁸¹Ta, ¹⁹⁷Au, ²⁰⁹Bi, ²³²Th, ^235,238U(γ, F), E < 5 GeV; measured σ(E); deduced resonances.

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0677.

1965VA22      Izv.Akad.Nauk Arm.SSR, Ser.Fiz.-Mat.Nauk 18, No.4, 94 (1965)

G.A.Vartapetyan, A.G.Khudaverdyan

Gamma-Gamma Angular Correlation in ¹³¹Cs Nuclei

RADIOACTIVITY ¹³¹Ba; measured γγ(θ). ¹³¹Cs level deduced J, γ-mixing.

1964VA25      Izv.Akad.Nauk SSSR, Ser.Fiz. 28, 1657 (1964); Bull.Acad.Sci.USSR, Phys.Ser. 28, 1550 (1965)

G.A.Vartapetyan, T.A.Garibyan, N.A.Demekhina, E.G.Muradyan, A.G.Khudaverdyan

Properties of the Levels and Radiations of the Odd-A Nuclei Cs¹³¹ and Cs¹³³

NUCLEAR STRUCTURE ¹³³Ba, ¹³¹Ba; measured not abstracted; deduced nuclear properties.

1963VA35      Zh.Eksp.Teor.Fiz. 45, 1720 (1963); Soviet Phys.JETP 18, 1178 (1964)

G.A.Vartapetyan, A.G.Khudaverdyan, T.A.Garibyan

Collective Effects in the Cs¹³¹ Nucleus

NUCLEAR STRUCTURE ¹³¹Ba; measured not abstracted; deduced nuclear properties.

1961VA36      Zhur.Eksptl.i Teoret.Fiz. 41, 1704 (1961); Soviet Phys.JETP 14, 1213 (1962)

G.A.Vartapetyan, Z.A.Petrosyan, A.G.Khudaverdyan

Forbidden E1 Transitions in Tb¹⁵⁹ and Yb¹⁷³

NUCLEAR STRUCTURE ¹⁷³Lu, ¹⁵⁹Gd; measured not abstracted; deduced nuclear properties.

1961VA37      Zhur.Eksptl.i Teoret.Fiz. 41, 1710 (1961); Soviet Phys.JETP 14, 1217 (1962)

G.A.Vartapetyan

NUCLEAR STRUCTURE ¹⁸⁷W; measured not abstracted; deduced nuclear properties.

1960VA12      Zh.Eksp.Teoret.Fiz. 38, 1916 (1960); Soviet Phys.JETP 11, 1378 (1960)

G.A.Vartapetyan

Lifetime of the 321-keV Level in Hf¹⁷⁷

NUCLEAR STRUCTURE ¹⁷⁷Lu; measured not abstracted; deduced nuclear properties.

1960VA13      Zhur.Eksptl. I Teoret.Fiz. 39, 25 (1960); Soviet Phys.JETP 12, 16 (1961)

G.A.Vartapetyan, A.G.Khudaverdyan

On the Level Scheme of Ta¹⁸¹

NUCLEAR STRUCTURE ¹⁸¹Hf; measured not abstracted; deduced nuclear properties.