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NSR database version of May 6, 2024.

Search: Author = A.A.Nechkin

Found 8 matches.

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2001GO41      Bull.Rus.Acad.Sci.Phys. 65, 68 (2001)

A.M.Goryachev, A.A.Nechkin, V.I.Sidorov

Spectrum of Photoneutrons from the 9Be Nucleus

NUCLEAR REACTIONS 9Be(γ, nX), E=12 MeV bremsstrahlung; measured neutron spectra. 9Be deduced level energies.

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0639.


1997BE82      Bull.Rus.Acad.Sci.Phys. 61, 1583 (1997)

S.N.Belyaev, O.V.Vasiliev, V.V.Voronov, A.A.Nechkin, V.Yu.Ponomarev, V.A.Semenov

Intermediate Structure in Photoabsorption Cross Sections for Heavy Nuclei

NUCLEAR REACTIONS 181Ta, 209Bi(γ, nX), E=6-17.3 MeV bremsstrahlung; measured photoabsorption σ. 209Bi deduced possible resonances.

NUCLEAR STRUCTURE 208Pb, 209Bi; calculated strength distributions for E1 transitions from ground state.


1995BE61      Yad.Fiz. 58, No 11, 1940 (1995); Phys.Atomic Nuclei 58, 1833 (1995)

S.N.Belyaev, O.V.Vasilev, V.V.Voronov, A.A.Nechkin, V.Yu.Ponomarev, V.A.Semenov

Cross Section for the Reaction (γ, n) on Heavy Nuclei in the Energy Region of the Giant Quadrupole Resonance

NUCLEAR REACTIONS 209Bi, 208Pb(γ, n), E ≈ 7-26 MeV; measured photoneutron yields. 209Bi, 208Pb deduced giant quadrupole resonances characteristics.

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0702.


1995BE64      Bull.Rus.Acad.Sci.Phys. 59, 1941 (1995)

S.N.Belyaev, O.V.Vasiliev, V.V.Voronov, A.A.Nechkin, V.Yu.Ponomarev, V.A.Semenov

Structure of Cross Section for the 141Pr(γn) Reaction

NUCLEAR REACTIONS 141Pr(γ, xn), E=25 MeV bremsstrahlung; measured photoneutron yield vs E, σ(E); deduced structure characteristics. Quasiparticle-phonon nucleus model.

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0701.


1993BE49      Bull.Rus.Acad.Sci.Phys. 57, 862 (1993)

S.N.Belyaev, O.V.Vasilev, V.V.Voronov, A.A.Nechkin, V.Yu.Ponomarev, V.A.Semenov

Structure of Cross Section for the (γn) Reaction on 142Nd

NUCLEAR REACTIONS 142Nd(γ, n), E=threshold-23 MeV bremsstrahlung; measured photoneutron, photoabsorption σ(E). 142Nd deduced intermediate structure resonances, Γ. Quasiparticle-phonon model.


1992BE08      Yad.Fiz. 55, 289 (1992); Sov.J.Nucl.Phys. 55, 157 (1992)

S.N.Belyaev, O.V.Vasilev, V.V.Voronov, A.A.Nechkin, V.Yu.Ponomarev, V.A.Semenov

Structure in the Cross Section for the Reaction 208Pb(γ, n)

NUCLEAR REACTIONS 208Pb(γ, n), E ≤ 22 MeV bremsstrahlung; measured σ(E). 208Pb deduced resonance structure, Γ. Quasiparticle-phonon model.

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0700.


1985BE55      Yad.Fiz. 42, 1050 (1985)

S.N.Belyaev, A.B.Kozin, A.A.Nechkin, V.A.Semenov, S.F.Semenko

On Photoabsorption Cross Sections of Pb, Bi, and Ta Isotopes in the Energy Region Eγ ≤ 12 MeV

NUCLEAR REACTIONS 206,207,208Pb, 209Bi, 181Ta(γ, n), E ≤ 12 MeV bremsstrahlung; measured photoabsorption σ(E). 206,207,208Pb, 209Bi deduced intermediate structure evidence.

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0146.


1984BE55      Izv.Akad.Nauk SSSR, Ser.Fiz. 48, 1940 (1984)

S.N.Belyaev, O.V.Vasilev, A.B.Kozin, A.A.Nechkin, V.A.Semenov

Structure in the (γ, n) Reaction Cross Section on 206Pb and 208Pb Isotopes

NUCLEAR REACTIONS 206,208Pb, 209Bi, 181Ta(γ, n), E ≈ 7.5-12 MeV; 16O(γ, n), E ≈ 16.5-21 MeV; measured σ(E). 206,208Pb deduced structure.

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0127.


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