NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = A.N.Pirozhkov Found 19 matches. 2018SE09 Phys.Rev. C 97, 055503 (2018) A.P.Serebrov, E.A.Kolomensky, A.K.Fomin, I.A.Krasnoshchekova, A.V.Vassiljev, D.M.Prudnikov, I.V.Shoka, A.V.Chechkin, M.E.Chaikovskiy, V.E.Varlamov, S.N.Ivanov, A.N.Pirozhkov, P.Geltenbort, O.Zimmer, T.Jenke, M.Van der Grinten, M.Tucker Neutron lifetime measurements with a large gravitational trap for ultracold neutrons RADIOACTIVITY 1n(β-); measured Iβ, T1/2 of free neutron, storage cycles for two different holding times, temperature dependence of the UCN storage time, inverse UCN loss rate, neutron count rates before (reactor cycle 179) and after (reactor cycle 181) using gravitationally trapped ultra-cold neutrons (UCN) at Institute Laue-Langevin (ILL) using the PF2 MAM UCN beam; deduced trap-neutron collision frequency, systematic error in T1/2 measurements using Monte Carlo simulations, influence of the residual gas on UCN storage. Comparison with previous experimental values in the last 17 years, and with evaluations by Particle Data Group. Discussed problem of a 3.9σ discrepancy between measurements of half-life of free neutron using neutrons in beams and those with stored ultracold neutrons (UCN).
doi: 10.1103/PhysRevC.97.055503
2017SE25 JETP Lett. 106, 623 (2017) A.P.Serebrov, E.A.Kolomenskiy, A.K.Fomin, I.A.Krasnoschekova, A.V.Vassiljev, D.M.Prudnikov, I.V.Shoka, A.V.Chechkin, M.E.Chaikovskii, V.E.Varlamov, S.N.Ivanov, A.N.Pirozhkov, P.Geltenbort, O.Zimmer, T.Jenke, M.Van der Grinten, M.Tucker New measurement of the neutron lifetime with a large gravitational trap RADIOACTIVITY 1NN(β-); measured decay products; deduced T1/2. Comparison with available data.
doi: 10.1134/S0021364017220143
2015SE16 Phys.Rev. C 92, 055501 (2015) A.P.Serebrov, E.A.Kolomenskiy, A.N.Pirozhkov, I.A.Krasnoschekova, A.V.Vassiljev, A.O.Polyushkin, M.S.Lasakov, A.N.Murashkin, V.A.Solovey, A.K.Fomin, I.V.Shoka, O.M.Zherebtsov, P.Geltenbort, S.N.Ivanov, O.Zimmer, E.B.Alexandrov, S.P.Dmitriev, N.A.Dovator New search for the neutron electric dipole moment with ultracold neutrons at ILL NUCLEAR MOMENTS 1n; measured Ramsey resonance curves, neutron electric dipole moment (EDM) using ultracold neutrons (UCN) from High-Flux Reactor of ILL-Grenoble and double-chamber magnetic resonance spectrometer developed at PNPI-Gatchina; deduced an upper limit of EDM. Discussed possibilities for further improvement.
doi: 10.1103/PhysRevC.92.055501
2014SE08 JETP Lett. 99, 4 (2014) A.P.Serebrov, E.A.Kolomenskiy, A.N.Pirozhkov, I.A.Krasnoschekova, A.V.Vassiljev, A.O.Polushkin, M.S.Lasakov, A.K.Fomin, I.V.Shoka, V.A.Solovey, O.M.Zherebtsov, P.Geltenbort, S.N.Ivanov, O.Zimmer, E.B.Alexandrov, S.P.Dmitriev, N.A.Dovator New measurements of the neutron electric dipole moment NUCLEAR MOMENTS 1NN; measured frequencies of neutron precession; deduced electric dipole moment. Comparison with available data.
doi: 10.1134/S0021364014010111
1996AL25 Yad.Fiz. 59, No 7, 1204 (1996); Phys.Atomic Nuclei 59, 1152 (1996) I.S.Altarev, Yu.V.Borisov, N.V.Borovikova, A.I.Egorov, S.N.Ivanov, E.A.Kolomensky, M.S.Lasakov, V.M.Lobashev, V.A.Nazarenko, A.N.Pirozhkov, A.P.Serebrov, Yu.V.Sobolev, E.V.Shulgina Search for the Neutron Electric Dipole Moment NUCLEAR STRUCTURE 1n; analyzed data; deduced electric dipole moment upper limit, 90% confidence limit. Utra cold neutrons, magnetic resonance spectrometer.
1992AL02 Phys.Lett. 276B, 242 (1992) I.S.Altarev, Yu.V.Borisov, N.V.Borovikova, S.N.Ivanov, E.A.Kolomensky, M.S.Lasakov, V.M.Lobashev, V.A.Nazarenko, A.N.Pirozhkov, A.P.Serebrov, Yu.V.Sobolev, E.V.Shulgina, A.I.Yegorov New Measurement of the Electric Dipole Moment of the Neutron NUCLEAR MOMENTS 1n; measured electric dipole moment. Stored ultracold neutrons, magnetic resonance setup.
doi: 10.1016/0370-2693(92)90571-K
1992BA43 Phys.Lett. 289B, 17 (1992) A.N.Bazhenov, L.A.Grigoreva, V.V.Ivanov, E.A.Kolomensky, V.M.Lobashev, V.A.Nazarenko, A.N.Pirozhkov, Yu.V.Sobolev Circular Polarization of γ-Quanta in np → dγ Reactions with Polarized Neutrons NUCLEAR REACTIONS 1H(polarized n, γ), E=cold neutron source; measured γ CP. High purity solid parahydrogen target, magnetic transmission polarimeters.
doi: 10.1016/0370-2693(92)91355-D
1986AL35 Pisma Zh.Eksp.Teor.Fiz. 44, 360 (1986); JETP Lett.(USSR) 44. 460 (1986) I.S.Altarev, Yu.V.Borisov, N.V.Borovikova, A.B.Brandin, A.I.Egorov, S.N.Ivanov, E.A.Kolomensky, M.S.Lasakov, V.M.Lobashev, A.N.Pirozhkov, A.P.Serebrov, Yu.V.Sobolev, R.R.Taldaev, B.V.Shulgina Search for an Electric Dipole Moment of the Neutron NUCLEAR MOMENTS 1n; measured electric dipole moment. Ultracold neutron confinement.
1984KN01 Nucl.Phys. A417, 209 (1984) V.A.Knyazkov, E.A.Kolomensky, V.M.Lobashov, V.A.Nazarenko, A.N.Pirozhkov, A.I.Shably, E.V.Shulgina, Y.V.Sobolev, A.I.Yegorov A New Experimental Study of the Circular Polarization of np Capture γ-Rays NUCLEAR REACTIONS 1H(n, γ), E=thermal; measured γ CP.
doi: 10.1016/0375-9474(84)90505-0
1983KN09 Pisma Zh.Eksp.Teor.Fiz. 38, 138 (1983); JETP Lett.(USSR) 38, 163 (1983) V.A.Knyazkov, E.A.Kolomensky, V.M.Lobashev, V.A.Nazarenko, A.N.Pirozhkov, Yu.V.Sobolev, A.I.Shably, E.V.Shulgina New Measurement of the Circular Polarization of γ Rays in the Reaction np → dγ NUCLEAR REACTIONS 1H(n, γ), E=thermal; measured radiative capture γ CP upper limit.
1983VE09 Pisma Zh.Eksp.Teor.Fiz. 37, 410 (1983); JETP Lett.(USSR) 37, 487 (1983) V.A.Vesna, E.A.Kolomensky, I.S.Okunev, A.N.Pirozhkov, L.M.Smotritsky, E.V.Shulgina, A.F.Kornyushkin, N.A.Titov, S.M.Solovev, V.M.Lobashev P-Parity Nonconservation in the Total Cross Section for the Interaction of Thermal Neutrons with 233U NUCLEAR REACTIONS 233U(polarized n, n), E=thermal; measured σ ratios for opposite neutron helicities; deduced P-parity nonconservation upper limit. 234U level deduced uncertainty in p-wave contribution.
1983VE10 Pisma Zh.Eksp.Teor.Fiz. 38, 265 (1983); JETP Lett.(USSR) 38, 315 (1983) V.A.Vesna, A.I.Egorov, E.A.Kolomensky, V.M.Lobashev, I.S.Okunev, B.G.Peskov, A.N.Pirozhkov, L.M.Smotritsky, E.V.Shulgina, A.F.Kornyushkin, N.A.Titov Search for P-Odd Asymmetry in the α Emission in the Capture of Polarized Thermal Neutrons by 6Li and 10B Nuclei NUCLEAR REACTIONS 6Li, 10B(polarized n, α), E=thermal; measured P-odd asymmetry, limits. Gas-filled proportional chamber detectors.
1982VE10 Pisma Zh.Eksp.Teor.Fiz. 35, 351; JETP Lett.(USSR) 35, 433 (1982) V.A.Vesna, E.A.Kolomensky, V.M.Lobashev, A.N.Pirozhkov, L.M.Smotritsky, N.A.Titov Observation of Parity Nonconservation in the Total Cross Section and in the Cross Section for the Radiative Capture of Polarized Thermal Neutrons in 79,81Br NUCLEAR REACTIONS 79,81Br(polarized n, X), (polarized n, γ), E=thermal; measured transmission, σ(capture); deduced parity violating effects. Longitudinal beam polarization.
1982VE14 Izv.Akad.Nauk SSSR, Ser.Fiz. 46, 2116 (1982) V.A.Vesna, E.A.Kolomensky, V.M.Lobashev, A.N.Pirozhkov, L.M.Smotritsky, N.A.Titov Observation of Parity Violation Effect in the Total Cross Section and Radiative Capture Cross Sections in the Interaction of Polarized Thermal Neutrons with the Nuclei 117Sn and 139La NUCLEAR REACTIONS 117Sn, 139La(polarized n, n), (polarized n, γ), E=thermal; measured total σ; deduced parity violation effect.
1982VE15 Pisma Zh.Eksp.Teor.Fiz. 36, 169 (1982); JETP Lett.(USSR) 36, 209 (1982) V.A.Vesna, E.A.Kolomensky, V.M.Lobashev, V.A.Nazarenko, A.N.Pirozhkov, L.M.Smotritsky, Yu.V.Sobolev, N.A.Titov Observation of Parity Nonconservation in the Integrated γ Spectrum from (n, γ) Reactions in Cl, Br, Cd, Sn, and La Nuclei NUCLEAR REACTIONS Cl, Br, La(polarized n, γ), E=thermal; measured capture γ asymmetry; Cl, Br, La, Sn(n, γ), E=thermal; measured γ CP; deduced parity nonconservation effects.
1981KO36 Phys.Lett. 107B, 272 (1981) E.A.Kolomensky, V.M.Lobashev, A.N.Pirozhkov, L.M.Smotritsky, N.A.Titov, V.A.Vesna Observation of Parity Violating Effects in the Polarized Thermal Neutron Total and Radiative Capture Cross Sections of 117Sn and 139La NUCLEAR REACTIONS 117Sn, 139La(polarized n, γ), (polarized n, X), E=thermal; measured σ, transmission, helicity dependent asymmetry; deduced parity violating effects. Longitudinal beam polarization.
doi: 10.1016/0370-2693(81)90828-5
1981VE01 Nucl.Phys. A352, 181 (1981) V.A.Vesna, E.A.Kolomensky, V.B.Kopeliovich, V.M.Lobashev, V.A.Nazarenko, A.N.Pirozhkov, E.V.Shulgina Circular Polarization of Gamma Quanta in the Radiative Capture of Polarized Thermal Neutrons by Protons NUCLEAR REACTIONS 1H(polarized n, γ), E=thermal; measured CP for γ-rays. 2H deduced triplet admixture in capturing state. Solid parahydrogen target.
doi: 10.1016/0375-9474(81)90375-4
1981VE08 Pisma Zh.Eksp.Teor.Fiz. 33, 429 (1981); JETP Lett.(USSR) 33, 411 (1981) V.A.Vesna, A.I.Egorov, E.A.Kolomensky, V.M.Lobashev, A.N.Pirozhkov, L.M.Smotritsky, N.A.Titov Asymmetry of Charged-Particle Emission in the Capture of Polarized Thermal Neutrons by 3He and 10B Nuclei NUCLEAR REACTIONS 3He(polarized n, p), 10B(polarized n, α), E=thermal; measured asymmetry; deduced asymmetry coefficient. Adiabatic rf flipper.
1977KO37 Yad.Fiz. 25, 233 (1977); Sov.J.Nucl.Phys. 25, 127 (1977) E.A.Kolomenskii, V.B.Kopeliovich, V.M.Lobashev, V.A.Nazarenko, A.I.Okorokov, A.N.Pirozhkov, L.M.Smotritskii, G.I.Kharkevich, A.F.Shchebetov The Role of the Triplet State in Radiative Capture of Thermal Neutrons by Protons NUCLEAR REACTIONS 1H(polarized n, γ), E=th; measured CP(γ); deduced triplet-state contribution.
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