NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = P.Ivanov Found 17 matches. 2024PI01 Appl.Radiat.Isot. 205, 111171 (2024) L.Pibida, D.E.Bergeron, S.M.Collins, P.Ivanov, J.T.Cessna, R.P.Fitzgerald, J.Mewburn-Crook, B.E.Zimmerman, L.King Absolute emission intensities of the gamma rays from the decay of 224Ra and 212Pb progenies and the half-life of the 212Pb decay RADIOACTIVITY 224Ra(α), 212Pb(β-); measured decay products, Eγ, Iγ; deduced γ-ray energies and absolute emission intensities, T1/2. Comparison with ENSDF library. NIST and NPL measurements.
doi: 10.1016/j.apradiso.2023.111171
2023CO11 Appl.Radiat.Isot. 202, 111044 (2023) S.M.Collins, U.Koster, A.P.Robinson, P.Ivanov, T.E.Cocolios, B.Russell, A.J.Fenwick, C.Bernerd, S.Stegemann, K.Johnston, A.M.Gerami, K.Chrysalidis, H.Mohamud, N.Ramirez, A.Bhaisare, J.Mewburn-Crook, D.M.Cullen, B.Pietras, S.Pells, K.Dockx, N.Stucki, P.H.Regan Determination of the Terbium-152 half-life from mass-separated samples from CERN-ISOLDE and assessment of the radionuclide purity RADIOACTIVITY 152Tb(EC), (β+); measured decay products, Eγ, Iγ, Eβ, Iβ; deduced T1/2 by three independent techniques from mass-separated samples. Comparison with available data. Two mass-separated samples from the CERN-ISOLDE facility have been assayed at the National Physical Laboratory.
doi: 10.1016/j.apradiso.2023.111044
2023GJ01 Phys.Rev. C 108, 064602 (2023) D.Gjestvang, J.N.Wilson, A.Al-Adili, S.Siem, Z.Gao, J.Randrup, D.Thisse, M.Lebois, N.Jovancevic, R.Canavan, M.Rudigier, D.Etasse, R.-B.Gerst, E.Adamska, P.Adsley, A.Algora, C.Belvedere, J.Benito, G.Benzoni, A.Blazhev, A.Boso, S.Bottoni, M.Bunce, R.Chakma, N.Cieplicka-Orynczak, S.Courtin, M.L.Cortes, P.Davies, C.Delafosse, M.Fallot, B.Fornal, L.Fraile, A.Gottardo, V.Guadilla, G.Hafner, K.Hauschild, M.Heine, C.Henrich, I.Homm, F.Ibrahim, L.W.Iskra, P.Ivanov, S.Jazrawi, A.Korgul, P.Koseoglou, T.Kroll, T.Kurtukian-Nieto, S.Leoni, J.Ljungvall, A.Lopez-Martens, R.Lozeva, I.Matea, K.Miernik, J.Nemer, S.Oberstedt, W.Paulsen, M.Piersa-Silkowska, Y.Popovitch, C.Porzio, L.Qi, P.H.Regan, K.Rezynkina, V.Sanchez-Tembleque, C.Schmitt, P.-A.Soderstrom, C.Surder, G.Tocabens, V.Vedia, D.Verney, N.Warr, B.Wasilewska, J.Wiederhold, M.Yavahchova, S.Ziliani Examination of how properties of a fissioning system impact isomeric yield ratios of the fragments
doi: 10.1103/PhysRevC.108.064602
2023SC09 Eur.Phys.J. A 59, 116 (2023) M.Scheck, R.Chapman, J.Dobaczewski, C.Ederer, P.Ivanov, G.Lorusso, D.O'Donnell, C.Schroder A new avenue in the search for CP violation: Mossbauer spectroscopy of 227Ac NUCLEAR STRUCTURE 223,225,227Fr, 221,223,225,227Ra, 223,225,227,229Ac, 229,231Th, 229,231Pa; analyzed available data; deduced a new avenue in the search for CP-violating odd-electric and even-magnetic nuclear moments.
doi: 10.1140/epja/s10050-023-01000-z
2023TH05 Eur.Phys.J. A 59, 153 (2023) D.Thisse, M.Lebois, D.Verney, J.N.Wilson, N.Jovancevic, M.Rudigier, R.Canavan, D.Etasse, P.Adsley, A.Algora, M.Babo, K.Belvedere, J.Benito, G.Benzoni, A.Blazhev, A.Boso, S.Bottoni, M.Bunce, R.Chakma, N.Cieplicka-Orynczak, S.Courtin, M.L.Cortes, P.Davies, C.Delafosse, M.Fallot, B.Fornal, L.Fraile, D.Gjestvang, A.Gottardo, V.Guadilla, R.-B.Gerst, G.Hafner, K.Hauschild, M.Heine, C.Henrich, I.Homm, J.Hommet, F.Ibrahim, L.W.Iskra, P.Ivanov, S.Jazrawi, A.Korgul, P.Koseoglou, T.Kroll, T.Kurtukian-Nieto, L.Le Meur, S.Leoni, J.Ljungvall, A.Lopez-Martens, R.Lozeva, I.Matea, K.Miernik, J.Nemer, S.Oberstedt, W.Paulsen, M.Piersa-Silkowska, W.Poklepa, Y.Popovitch, C.Porzio, L.Qi, D.Ralet, P.H.Regan, D.Reygadas Tello, K.Rezynkina, V.Sanchez-Tembleque, S.Siem, C.Schmitt, P.-A.Soderstrom, K.Solak, C.Surder, G.Tocabens, V.Vedia, N.Warr, B.Wasilewska, J.Wiederhold, M.Yavahchova, F.Zeiser, S.Ziliani Study of N = 50 gap evolution around Z = 32: new structure information for 82Ge NUCLEAR REACTIONS 232Th(n, F)84Se/82Ge, E fast; measured reaction products, Eγ, Iγ; deduced γ-ray energies and intensities, J, π, partial level scheme. Comparison with available data. LICORNE directional neutron source at the ALTO facility of IJCLab.
doi: 10.1140/epja/s10050-023-01051-2
2022CO10 Appl.Radiat.Isot. 190, 110480 (2022) S.M.Collins, A.P.Robinson, P.Ivanov, U.Koster, T.E.Cocolios, B.Russell, B.Webster, A.J.Fenwick, C.Duchemin, J.P.Ramos, E.Chevallay, U.Jakobsson, S.Stegemann, P.H.Regan, T.Stora Half-life determination of 155Tb from mass-separated samples produced at CERN-MEDICIS RADIOACTIVITY 155Tb(EC) [from Ta(p, X), E=1.4 GeV]; measured decay products, Eγ, Iγ; deduced T1/2. Comparison with available data. The Proton Synchrotron Booster accelerator at CERN, the target foil was delivered to NPL.
doi: 10.1016/j.apradiso.2022.110480
2021BE13 Appl.Radiat.Isot. 170, 109572 (2021) D.E.Bergeron, S.M.Collins, L.Pibida, J.T.Cessna, R.Fitzgerald, B.E.Zimmerman, P.Ivanov, J.D.Keightley, E.Napoli Ra-224 activity, half-life, and 241 keV gamma ray absolute emission intensity: A NIST-NPL bilateral comparison RADIOACTIVITY 224Ra(α); measured decay products, Eγ, Iγ; deduced γ-ray energies and intensities, T1/2. The national metrology institutes for the United Kingdom (UK) and the United States of America (USA) activity standards.
doi: 10.1016/j.apradiso.2020.109572
2021WI12 Nature(London) 590, 566 (2021) J.N.Wilson, D.Thisse, M.Lebois, N.Jovancevic, D.Gjestvang, R.Canavan, M.Rudigier, D.Etasse, R.-B.Gerst, L.Gaudefroy, E.Adamska, P.Adsley, A.Algora, M.Babo, K.Belvedere, J.Benito, G.Benzoni, A.Blazhev, A.Boso, S.Bottoni, M.Bunce, R.Chakma, N.Cieplicka-Orynczak, S.Courtin, M.L.Cortes, P.Davies, C.Delafosse, M.Fallot, B.Fornal, L.Fraile, A.Gottardo, V.Guadilla, G.Hafner, K.Hauschild, M.Heine, C.Henrich, I.Homm, F.Ibrahim, L.W.Iskra, P.Ivanov, S.Jazrawi, A.Korgul, P.Koseoglou, T.Kroll, T.Kurtukian-Nieto, L.Le Meur, S.Leoni, J.Ljungvall, A.Lopez-Martens, R.Lozeva, I.Matea, K.Miernik, J.Nemer, S.Oberstedt, W.Paulsen, M.Piersa, Y.Popovitch, C.Porzio, L.Qi, D.Ralet, P.H.Regan, K.Rezynkina, V.Sanchez-Tembleque, S.Siem, C.Schmitt, P.-A.Suderstrom, C.Surder, G.Tocabens, V.Vedia, D.Verney, N.Warr, B.Wasilewska, J.Wiederhold, M.Yavahchova, F.Zeiser, S.Ziliani Angular momentum generation in nuclear fission NUCLEAR REACTIONS 232Th(n, F), E ∼ 1.9 MeV; measured reaction products, Eγ, Iγ. 82,84Ge, 84,86,88Se, 88,90,92,94Kr, 92,94,96,98Sr, 98,100Zr, 130,132Sn, 132,134,136,138Te, 138,140,142Xe, 142,144,146Ba, 148,150Ce; deduced average J, 0+ side-feeding, fission yields, the intensity ratio of the transition from the first excited state to the ground state, and the transition(s) feeding the first excited state, dependence of average spin on fragment mass. Comparison with statistical theory, 233Th. NUCLEAR REACTIONS 238U(n, F), E ∼ 1.9 MeV; measured reaction products, Eγ, Iγ. 82Ge, 84,86,88Se, 88,90,92,94Kr, 94,96,98Sr, 98,100,102,104Zr, 102,104Mo, 130,132,134Sn, 132,134,136,138Te, 138,140,142Xe, 142,144,146,148Ba, 148,150Ce; deduced average J, 0+ side-feeding, fission yields, the intensity ratio of the transition from the first excited state to the ground state, and the transition(s) feeding the first excited state, dependence of average spin on fragment mass. Comparison with statistical theory, 239U. RADIOACTIVITY 252Cf(SF); measured decay products, Eγ, Iγ, TOF. 94,96,98Sr, 98,100,102,104Zr, 102,104,106,108Mo, 108,110,112Ru, 112,114,116Pd, 130,132Sn, 134,136Te, 138,140,142Xe, 142,144,146Ba, 148,150Ce, 152,154Nd; deduced average J, 0+ side-feeding, fission yields, dependence of average spin on fragment mass. Comparison with statistical theory.
doi: 10.1038/s41586-021-03304-w
2020CO02 Appl.Radiat.Isot. 157, 109021 (2020) S.M.Collins, R.Shearman, P.Ivanov, P.H.Regan The impact of high-energy tailing in high-purity germanium gamma-ray spectrometry on the activity determination of 224Ra using the 241.0 keV emission RADIOACTIVITY 224Ra(α); measured decay products, Eγ, Iγ; deduced impact of 212Pb on activity determination.
doi: 10.1016/j.apradiso.2019.109021
2020GE11 Phys.Rev. C 102, 064323 (2020) R.-B.Gerst, A.Blazhev, N.Warr, J.N.Wilson, M.Lebois, N.Jovancevic, D.Thisse, R.Canavan, M.Rudigier, D.Etasse, E.Adamska, P.Adsley, A.Algora, M.Babo, K.Belvedere, J.Benito, G.Benzoni, A.Boso, S.Bottoni, M.Bunce, R.Chakma, N.Cieplicka-Orynczak, S.Courtin, M.L.Cortes, P.Davies, C.Delafosse, M.Fallot, B.Fornal, L.M.Fraile, D.Gjestvang, A.Gottardo, V.Guadilla, G.Hafner, K.Hauschild, M.Heine, C.Henrich, I.Homm, F.Ibrahim, L.W.Iskra, P.Ivanov, S.Jazrawi, A.Korgul, P.Koseoglou, T.Kroll, T.Kurtukian-Nieto, L.Le Meur, S.Leoni, J.Ljungvall, A.Lopez-Martens, R.Lozeva, I.Matea, K.Miernik, J.Nemer, S.Oberstedt, W.Paulsen, M.Piersa, Y.Popovitch, C.Porzio, L.Qi, D.Ralet, P.H.Regan, D.Reygadas Tello, K.Rezynkina, V.Sanchez-Tembleque, C.Schmitt, P.-A.Soderstrom, C.Surder, G.Tocabens, V.Vedia, D.Verney, B.Wasilewska, J.Wiederhold, M.Yavachova, F.Zeiser, S.Ziliani Prompt and delayed γ spectroscopy of neutron-rich 94Kr and observation of a new isomer NUCLEAR REACTIONS 238U(n, F), E=fast neutrons from 1H(7Li, 7Be)n, E=16 MeV; measured prompt and delayed Eγ, Iγ, γγ-coin, half-life of a new isomer in 94Kr using the ν-Ball array of 24 HPGe Clover detectors, 10 coaxial HPGe detectors, all with BGO Compton shielding, and 20 LaBr3 detectors at the ALTO facility of IPN-Orsay. 94Kr; deduced levels, J, π, isomer, B(E1), B(E2), ground-state band up to 10+, two-quasiparticle neutron state for the isomer consistent with Gogny CHFB calculations. Comparison with level schemes of 92Se and 96Sr.
doi: 10.1103/PhysRevC.102.064323
2019CO04 Appl.Radiat.Isot. 145, 240 (2019) S.M.Collins, J.D.Keightley, P.Ivanov, A.Arinc, S.M.Jerome, A.J.Fenwick, A.K.Pearce The potential radio-immunotherapeutic α-emitter 227Th - part I: Standardisation via primary liquid scintillation techniques and decay progeny ingrowth measurements RADIOACTIVITY 227Th(α); measured decay products, Eγ, Iγ; deduced primary standardisation of the activity.
doi: 10.1016/j.apradiso.2018.12.012
2019CO05 Appl.Radiat.Isot. 145, 251 (2019) S.M.Collins, J.D.Keightley, P.Ivanov, A.Arinc, A.J.Fenwick, A.K.Pearce The potential radio-immunotherapeutic α-emitter 227Th - part II: Absolute γ-ray emission intensities from the excited levels of 223Ra RADIOACTIVITY 227Th(α); measured decay products, Eγ, Iγ; deduced γ-ray energies and intensities. Comparison with available data.
doi: 10.1016/j.apradiso.2018.10.023
2019GA34 Appl.Radiat.Isot. 154, 108863 (2019) E.Garcia-Torano, T.Crespo, M.Marouli, V.Jobbagy, S.Pomme, P.Ivanov Alpha-particle emission probabilities of 231Pa derived from first semiconductor spectrometric measurements RADIOACTIVITY 231Pa(α); measured decay products, Eα, Iα, Eγ, Iγ; deduced α-particle emission probabilities and uncertainties.
doi: 10.1016/j.apradiso.2019.108863
2000AC06 Nucl.Phys. A675, 320c (2000) M.N.Achasov, V.M.Aulchenko, K.I.Beloborodov, A.V.Berdyugin, A.V.Bozhenok, D.A.Bukin, S.V.Burdin, T.V.Dimova, S.I.Dolinsky, A.A.Drozdetsky, V.P.Druzhinin, M.S.Dubrovin, I.A.Gaponenko, V.B.Golubev, V.N.Ivanchenko, P.M.Ivanov, A.A.Korol, S.V.Koshuba, G.A.Kukartsev, I.N.Nesterenko, A.V.Otboev, E.V.Pakhtusova, V.M.Popov, A.A.Salnikov, S.I.Serednyakov, V.V.Shary, Yu.M.Shatunov, V.A.Sidorov, Z.K.Silagadze, Yu.V.Usov, A.V.Vasiljev, A.S.Zakharov New Experimental Data for the Decays φ → μ+μ- and φ → π+π- from SND Detector
doi: 10.1016/S0375-9474(00)00274-8
2000AK07 Nucl.Phys. A675, 424c (2000) R.R.Akhmetshin, E.V.Anashkin, V.M.Aulchenko, V.Sh.Banzarov, L.M.Barkov, S.E.Baru, N.S.Bashtovoy, A.E.Bondar, D.V.Bondarev, A.V.Bragin, D.V.Chernyak, S.I.Eidelman, G.V.Fedotovitch, N.I.Gabyshev, A.A.Grebeniuk, D.N.Grigoriev, V.W.Hughes, P.M.Ivanov, S.V.Karpov, V.F.Kazanin, B.I.Khazin, I.A.Koop, M.S.Korostelev, P.P.Krokovny, L.M.Kurdadze, A.S.Kuzmin, I.B.Logashenko, P.A.Lukin, A.P.Lysenko, K.Yu.Mikhailov, I.N.Nesterenko, V.S.Okhapkin, A.V.Otboev, E.A.Perevedentsev, A.A.Polunin, A.S.Popov, T.A.Purlatz, N.I.Root, A.A.Ruban, N.M.Ryskulov, A.G.Shamov, Yu.M.Shatunov, A.I.Shekhtman, B.A.Shwartz, A.L.Sibidanov, V.A.Sidorov, A.N.Skrinsky, V.P.Smakhtin, I.G.Snopkov, E.P.Solodov, P.Yu.Stepanov, A.I.Sukhanov, J.A.Thompson, V.M.Titov, A.A.Valishev, Yu.V.Yudin, S.G.Zverev Status of Experiments and Recent Results from CMD-2 Detector at VEPP-2M
doi: 10.1016/S0375-9474(00)00300-6
1994MI20 Nucl.Instrum.Methods Phys.Res. B85, 340 (1994) V.Miteva, D.Karpuzov, P.Ivanov, St.Angelova Stoichiometry Effects at Cu-Ni Alloy Surfaces During 5 keV Ar Ion Sputtering at Room Temperatures
doi: 10.1016/0168-583X(94)95840-8
1988DA21 At.Energ. 65, 147 (1988); Sov.At.Energy 65, 698 (1988) M.G.Davydov, P.B.Ivanov, N.E.Shvartsman, B.N.Ryvkin Effect of Energy Instability of Electron-Accelerators on Errors of Gamma-Activation Analysis NUCLEAR REACTIONS 197Au(γ, γ'), E ≈ 11-25 MeV; calculated error in energies. Instability effects of accelerators.
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