NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = J.Kotila Found 43 matches. 2023AU04 Eur.Phys.J. C 83, 675 (2023) C.Augier, A.S.Barabash, F.Bellini, G.Benato, M.Beretta, L.Berge, J.Billard, Yu.A.Borovlev, L.Cardani, N.Casali, A.Cazes, E.Celi, M.Chapellier, D.Chiesa, I.Dafinei, F.A.Danevich, M.De Jesus, P.de Marcillac, T.Dixon, L.Dumoulin, K.Eitel, F.Ferri, B.K.Fujikawa, J.Gascon, L.Gironi, A.Giuliani, V.D.Grigorieva, M.Gros, D.L.Helis, H.Z.Huang, R.Huang, L.Imbert, J.Johnston, A.Juillard, H.Khalife, M.Kleifges, V.V.Kobychev, Yu.G.Kolomensky, S.I.Konovalov, J.Kotila, P.Loaiza, L.Ma, E.P.Makarov, R.Mariam, L.Marini, S.Marnieros, X.-F.Navick, C.Nones, E.B.Norman, E.Olivieri, J.L.Ouellet, L.Pagnanini, L.Pattavina, B.Paul, M.Pavan, H.Peng, G.Pessina, S.Pirro, D.V.Poda, O.G.Polischuk, S.Pozzi, E.Previtali, Th.Redon, A.Rojas, S.Rozov, V.Sanglard, J.A.Scarpaci, B.Schmidt, Y.Shen, V.N.Shlegel, V.Singh, C.Tomei, V.I.Tretyak, V.I.Umatov, L.Vagneron, M.Velazquez, B.Welliver, L.Winslow, M.Xue, E.Yakushev, M.Zarytskyy, A.S.Zolotarova The background model of the CUPID-Mo 0νββ experiment RADIOACTIVITY 100Mo(2β-); measured decay products, Eβ, Iβ, Eγ, Iγ; deduced background index in the region of interest. CUPID-Mo, located in the Laboratoire Souterrain de Modane (France), was a demonstrator for the next generation 0νββ decay experiment, CUPID.
doi: 10.1140/epjc/s10052-023-11830-2
2023AU05 Phys.Rev.Lett. 131, 162501 (2023) C.Augier, A.S.Barabash, F.Bellini, G.Benato, M.Beretta, L.Berge, J.Billard, Yu.A.Borovlev, L.Cardani, N.Casali, A.Cazes, E.Celi, M.Chapellier, D.Chiesa, I.Dafinei, F.A.Danevich, M.De Jesus, T.Dixon, L.Dumoulin, K.Eitel, F.Ferri, B.K.Fujikawa, J.Gascon, L.Gironi, A.Giuliani, V.D.Grigorieva, M.Gros, D.L.Helis, H.Z.Huang, R.Huang, L.Imbert, J.Johnston, A.Juillard, H.Khalife, M.Kleifges, V.V.Kobychev, Yu.G.Kolomensky, S.I.Konovalov, J.Kotila, P.Loaiza, L.Ma, E.P.Makarov, P.de Marcillac, R.Mariam, L.Marini, S.Marnieros, X.-F.Navick, C.Nones, E.B.Norman, E.Olivieri, J.L.Ouellet, L.Pagnanini, L.Pattavina, B.Paul, M.Pavan, H.Peng, G.Pessina, S.Pirro, D.V.Poda, O.G.Polischuk, S.Pozzi, E.Previtali, Th.Redon, A.Rojas, S.Rozov, V.Sanglard, J.A.Scarpaci, B.Schmidt, Y.Shen, V.N.Shlegel, F.Simkovic, V.Singh, C.Tomei, V.I.Tretyak, V.I.Umatov, L.Vagneron, M.Velazquez, B.Ware, B.Welliver, L.Winslow, M.Xue, E.Yakushev, M.Zarytskyy, A.S.Zolotarova Measurement of the 2νββ Decay Rate and Spectral Shape of 100Mo from the CUPID-Mo Experiment RADIOACTIVITY 100Mo(2β-); measured decay products, Eβ, Iβ; deduced two-neutrino mode T1/2, shape factor, effective axial vector coupling constant. Comparison with theoretical predictions for different nuclear models. The CUPID-Mo experiment.
doi: 10.1103/PhysRevLett.131.162501
2023AZ05 Phys.Rev.Lett. 131, 222501 (2023) O.Azzolini, J.W.Beeman, F.Bellini, M.Beretta, M.Biassoni, C.Brofferio, C.Bucci, S.Capelli, V.Caracciolo, L.Cardani, P.Carniti, N.Casali, E.Celi, D.Chiesa, M.Clemenza, I.Colantoni, O.Cremonesi, A.Cruciani, A.D'Addabbo, I.Dafinei, S.Di Domizio, V.Dompe, G.Fantini, F.Ferroni, L.Gironi, A.Giuliani, P.Gorla, C.Gotti, G.Keppel, J.Kotila, M.Martinez, S.S.Nagorny, M.Nastasi, S.Nisi, C.Nones, D.Orlandi, L.Pagnanini, M.Pallavicini, L.Pattavina, M.Pavan, G.Pessina, V.Pettinacci, S.Pirro, S.Pozzi, E.Previtali, A.Puiu, A.Ressa, C.Rusconi, K.Schaffner, C.Tomei, M.Vignati, A.S.Zolotarova Measurement of the 2νββ Decay Half-Life of 82Se with the Global CUPID-0 Background Model RADIOACTIVITY 82Se(2β-); measured decay products, Eβ, Iβ; deduced two-neutrino mode T1/2 using the global CUPID-0 background model. The Laboratori Nazionali del Gran Sasso (LNGS), in Italy.
doi: 10.1103/PhysRevLett.131.222501
2023GE04 Phys.Rev. C 108, 045502 (2023) Z.Ge, T.Eronen, A.de Roubin, M.Ramalho, J.Kostensalo, J.Kotila, J.Suhonen, D.A.Nesterenko, A.Kankainen, P.Ascher, O.Beliuskina, M.Flayol, M.Gerbaux, S.Grevy, M.Hukkanen, A.Husson, A.Jaries, A.Jokinen, I.D.Moore, P.Pirinen, J.Romero, M.Stryjczyk, V.Virtanen, A.Zadvornaya β- decay Q-value measurement of 136Cs and its implications for neutrino studies
doi: 10.1103/PhysRevC.108.045502
2023GI07 Universe 9, 270 (2023) P.Gimeno, L.Jokiniemi, J.Kotila, M.Ramalho, J.Suhonen Ordinary Muon Capture on 136Ba: Comparative Study Using the Shell Model and pnQRPA NUCLEAR REACTIONS 136Ba(μ, X)136Cs, E not given; calculated energy levels, J, π using the interacting shell model (ISM) and proton–neutron quasiparticle random-phase approximation (pnQRPA). Comparison with available data.
doi: 10.3390/universe9060270
2023JO01 Phys.Rev. C 107, 014327 (2023) L.Jokiniemi, T.Miyagi, S.R.Stroberg, J.D.Holt, J.Kotila, J.Suhonen Ab initio calculation of muon capture on 24Mg NUCLEAR REACTIONS 24Mg(μ-, ν), E at rest; calculated nuclear matrix elements, capture rates to the lowest levels of 24Na. Valence-space in-medium similarity renormalization group (VS-IMSRG) and nuclear shell model calculations. Comparison to experimental data. NUCLEAR STRUCTURE 24Mg, 24Na; calculated levels, J, π, B(E2), B(M1), magnetic dipole moments. 24Mg; calculated electric quadrupole moments. RADIOACTIVITY 24Na(β-); calculated log ft values for decay to excited states in 24Mg.
doi: 10.1103/PhysRevC.107.014327
2023JO02 Phys.Lett. B 838, 137689 (2023) L.Jokiniemi, B.Romeo, C.Brase, J.Kotila, P.Soriano, A.Schwenk, J.Menendez Two-neutrino ββ decay of 136Xe to the first excited 0+ state in 136Ba RADIOACTIVITY 136Xe(2β-); calculated nuclear matrix element for the two-neutrino ββ decay of 136Xe into the first excited state of 136Ba using the quasiparticle random-phase approximation (QRPA) framework, the nuclear shell model, the interacting boson model (IBM-2), and an effective field theory (EFT) for β and ββ decays; deduced T1/2.
doi: 10.1016/j.physletb.2023.137689
2023KO06 Phys.Lett. B 840, 137894 (2023) J.Kostensalo, J.Kotila, J.Suhonen Microscopic calculation of the β- decays of 151Sm, 171Tm, and 210Pb with implications to detection of the cosmic neutrino background RADIOACTIVITY 151Sm, 171Tm, 210Pb(β-); calculated electron spectral shapes corresponding to the low-Q β--decay transitions using beta-decay theory with several refinements for these first-forbidden nonunique (ff-nu) transitions with transition nuclear matrix elements (NMEs) computed by using the microscopic Interacting Boson-Fermion Model (IBFM-2) and the nuclear shell model (NSM).
doi: 10.1016/j.physletb.2023.137894
2022ER01 Phys.Lett. B 830, 137135 (2022) T.Eronen, Z.Ge, A.de Roubin, M.Ramalho, J.Kostensalo, J.Kotila, O.Beliushkina, C.Delafosse, S.Geldhof, W.Gins, M.Hukkanen, A.Jokinen, A.Kankainen, I.D.Moore, D.A.Nesterenko, M.Stryjczyk, J.Suhonen High-precision measurement of a low Q value for allowed β-decay of 131I related to neutrino mass determination RADIOACTIVITY 131I(β-) [from U(p, X), E=30 MeV]; measured cyclotron frequency ratios; deduced Q-value, partial T1/2 for the transition. Comparison with the Atomic Mass Evaluation 2020, theoretical calculations. The double Penning trap mass spectrometer JYFLTRAP at the IGISOL facility, the K-130 cyclotron.
doi: 10.1016/j.physletb.2022.137135
2022GE07 Phys.Rev. C 106, 015502 (2022) Z.Ge, T.Eronen, A.de Roubin, J.Kostensalo, J.Suhonen, D.A.Nesterenko, O.Beliuskina, R.de Groote, C.Delafosse, S.Geldhof, W.Gins, M.Hukkanen, A.Jokinen, A.Kankainen, J.Kotila, A.Koszorus, I.D.Moore, A.Raggio, S.Rinta-Antila, V.Virtanen, A.P.Weaver, A.Zadvornaya Direct determination of the atomic mass difference of the pairs 76As-76Se and 155Tb-155Gd rules out 76As and 155Tb as possible candidates for electron (anti)neutrino mass measurements ATOMIC MASSES 76As, 76Se; 155Tb, 155Gd; measured cyclotron frequency ratios using phase-imaging ion-cyclotron-resonance technique (PI-ICR) and high-precision Penning-trap mass spectrometry (PTMS) with a double Penning trap mass spectrometer (JYFLTRAP) at the IGISOL facility of the University of Jyvaskyla; deduced precise Q(β) values for 76As β- decay to 76Se and 155Tb ϵ decay to 155Gd. Comparison with evaluated data in AME2020. RADIOACTIVITY 76As(β-); 155Tb(EC); deduced precise Q(β) values from measurements of difference in mass excesses of 76As, 76Se, and 155Tb, 155Gd pairs; excluded these two cases as potential candidates for the search of ultra-low Q values for determination of electron-(anti)neutrino mass. Comparison with evaluated data in AME2020.
doi: 10.1103/PhysRevC.106.015502
2022GE11 Phys.Lett. B 832, 137226 (2022) Z.Ge, T.Eronen, A.de Roubin, K.S.Tyrin, L.Canete, S.Geldhof, A.Jokinen, A.Kankainen, J.Kostensalo, J.Kotila, M.I.Krivoruchenko, I.D.Moore, D.A.Nesterenko, J.Suhonen, M.Vilen High-precision electron-capture Q value measurement of 111In for electron-neutrino mass determination RADIOACTIVITY 111In(EC) [from In(p, X), E=130 MeV]; measured Ramsey time-of-flight ion-cyclotron resonance (TOF-ICR), cyclotron frequency ratios; deduced Q-values to the ground and excited states. Comparison with AME2020 and the microscopic interacting boson-fermion model (IBFM-2) calculations. Ion Guide Isotope Separator On-Line facility (IGISOL) utilizing the JYFLTRAP double Penning trap mass spectrometer.
doi: 10.1016/j.physletb.2022.137226
2022LE06 Phys.Rev. C 105, 045801 (2022) B.Lehnert, M.Hult, G.Lutter, G.Marissens, S.Oberstedt, H.Stroh, J.Kotila, A.Oberstedt, K.Zuber Constraints on partial half-lives of 136Ce and 138Ce double electron captures RADIOACTIVITY 136Ce(2EC), (β+EC); 138Ce(2EC); measured Eγ, Iγ; deduced constraints on the T1/2 of various decay modes including neutrinoless (0νKL and 0νLL to the ground state for 138Ce, 0νKL, 0νLL and 0νKK to ground and excited states for 136Ce). CeBr3 crystal with mass 4381 g measured with HPGe coaxial detector over three years at the HADES underground laboratory. Comparison to other experimental data and theoretical predictions.
doi: 10.1103/PhysRevC.105.045801
2022LE14 Phys.Rev.Lett. 129, 232502 (2022) A.F.Leder, D.Mayer, J.L.Ouellet, F.A.Danevich, L.Dumoulin, A.Giuliani, J.Kostensalo, J.Kotila, P.de Marcillac, C.Nones, V.Novati, E.Olivieri, D.Poda, J.Suhonen, V.I.Tretyak, L.Winslow, A.Zolotarova Determining gA/gV with High-Resolution Spectral Measurements Using a LiInSe2 Bolometer RADIOACTIVITY 115In(β-); measured decay products, Eβ, Iβ; deduced the axial vector coupling constant, T1/2. Comparison with theoretical calculations, available data.
doi: 10.1103/PhysRevLett.129.232502
2022NE04 Eur.Phys.J. A 58, 44 (2022) D.A.Nesterenko, L.Jokiniemi, J.Kotila, A.Kankainen, Z.Ge, T.Eronen, S.Rinta-Antila, J.Suhonen High-precision Q-value measurement and nuclear matrix element calculations for the double-β decay of 98Mo ATOMIC MASSES 98Mo; measured cyclotron frequencies; deduced double-beta decay Q-value; calculated nuclear matrix elements using the proton-neutron quasiparticle random-phase approximation (pnQRPA) and the microscopic interacting boson model (IBM-2) frameworks. The JYFLTRAP Penning trap mass spectrometer.
doi: 10.1140/epja/s10050-022-00695-w
2022RA20 Phys.Rev. C 106, 015501 (2022) M.Ramalho, Z.Ge, T.Eronen, D.A.Nesterenko, J.Jaatinen, A.Jokinen, A.Kankainen, J.Kostensalo, J.Kotila, M.I.Krivoruchenko, J.Suhonen, K.S.Tyrin, V.Virtanen Observation of an ultralow-Q-value electron-capture channel decaying to 75As via a high-precision mass measurement ATOMIC MASSES 75As, 76Ge; 77Se, 76Se; 94Mo, 95Mo; measured cyclotron frequency ratios using phase-imaging ion-cyclotron-resonance technique (PI-ICR) and high-precision Penning-trap mass spectrometry (PTMS) with a double Penning trap mass spectrometer (JYFLTRAP) at the IGISOL facility of the University of Jyvaskyla; deduced precise Q(β) values for decays of 75Se and 75Ge to 75As, with three ultra-low Q-value energetically valid β transitions, one of which as a possible candidate for antineutrino mass determination. Comparison with evaluated data in AME2020. RADIOACTIVITY 75Se(EC); 75Ge(β-); deduced precise Q(β) values from measurements of difference in mass excesses of 75As and 76Ge, and three ultra-low Q-value energetically valid β transitions, with one as a possible candidate for antineutrino mass determination. Comparison with evaluated data in AME2020. NUCLEAR STRUCTURE 75As; calculated levels, J, π using shell-model code NUSHELLX in a single-particle model space consisting of 1f5/2, 2p3/2, 2p1/2, and 1g9/2 neutron and proton orbitals, with jun45pn and jj44bpn interactions, and compared results with experimental data.
doi: 10.1103/PhysRevC.106.015501
2021GE04 Phys.Rev. C 103, 065502 (2021) Z.Ge, T.Eronen, A.de Roubin, D.A.Nesterenko, M.Hukkanen, O.Beliuskina, R.de Groote, S.Geldhof, W.Gins, A.Kankainen, A.Koszorus, J.Kotila, J.Kostensalo, I.D.Moore, A.Raggio, S.Rinta-Antila, J.Suhonen, V.Virtanen, A.P.Weaver, A.Zadvornaya, A.Jokinen Direct measurement of the mass difference of 72As - 72Ge rules out 72As as a promising β-decay candidate to determine the neutrino mass ATOMIC MASSES 72As; measured cyclotron frequency and mass excess by phase-imaging ion-cyclotron-resonance (PI-ICR) technique using IGISOL facility and JYFLTRAP double Penning trap mass spectrometer at the K-130 cyclotron of the University of Jyvaskyla, with the production of 72As in Ge(d, X), E=9 MeV reaction. 72As, 72Ge; deduced precise Q values for ϵ decay between the ground state of 72As and ground as well as excited states of 72Ge. Relevance to electron neutrino mass determination through precise mass measurements.
doi: 10.1103/PhysRevC.103.065502
2021GE11 Phys.Rev.Lett. 127, 272301 (2021) Z.Ge, T.Eronen, K.S.Tyrin, J.Kotila, J.Kostensalo, D.A.Nesterenko, O.Beliuskina, R.de Groote, A.de Roubin, S.Geldhof, W.Gins, M.Hukkanen, A.Jokinen, A.Kankainen, A.Koszorus, M.I.Krivoruchenko, S.Kujanpaa, I.D.Moore, A.Raggio, S.Rinta-Antila, J.Suhonen, V.Virtanen, A.P.Weaver, A.Zadvornaya 159Dy Electron-Capture: A New Candidate for Neutrino Mass Determination RADIOACTIVITY 159Dy(EC); measured frequencies; deduced Q-values for allowed Gamow-Teller transition, J, π, total decay constant. The Ion Guide Isotope Separator On-Line facility (IGISOL) using the double Penning trap mass spectrometer JYFLTRAP in the accelerator laboratory of the University of Jyvaskyla.
doi: 10.1103/physrevlett.127.272301
2021KL04 Phys.Rev. C 104, L061302 (2021) J.Kleemann, T.Beck, U.Friman-Gayer, N.Pietralla, V.Werner, S.W.Finch, J.Kotila, Krishichayan, B.Loher, H.Pai, O.Papst, W.Tornow, M.Weinert, A.Zilges Majorana parameters of the interacting boson model of nuclear structure and their implication for 0νββ decay NUCLEAR REACTIONS 150Nd(polarized γ, γ'), E=2994 keV; 150Sm(polarized γ, γ'), E=3113 keV; measured Eγ, Iγ, γ(θ), γ(linear polarization) at the High Intensity γ-ray Source (HIγS) of Duke University. 150Sm, 150Nd; deduced γ-branching ratios from the 1+ scissors mode state to the first excited 0+ and second 2+ state in 150Nd, negative parity for the 3082-keV in 150Sm, J=1 level, in disagreement with positive parity assigned in the ENSDF database, and confirmed 1+ for the 2994-keV level in 150Nd; calculated positive-parity levels and B(M1) for 1+ scissors mode (SCM) states using IBM-2, and compared with experimental data in the ENSDF database. Relevance to 0νββ decay mode of 150Nd. RADIOACTIVITY 150Nd(2β-); calculated nuclear matrix elements (NMEs) for 0νββ decay to the g.s. and the first excited 0+ state in 150Sm using interacting boson model-2 (IBM-2), and compared with predictions of energy density-functional (EDF) method; deduced strong constraints for the Majorana parameters.
doi: 10.1103/PhysRevC.104.L061302
2021KO10 Phys.Rev. C 103, 044302 (2021) Nuclear matrix elements for Majoron-emitting double-β decay RADIOACTIVITY 76Ge, 82Se, 96Zr, 100Mo, 110Pd, 116Cd, 124Sn, 128,130Te, 134,136Xe, 148,150Nd, 154Sm, 160Gd, 198Pt, 232Th, 238U(2β-); calculated nuclear matrix elements (NMEs) for Majoron-emitting neutrinoless double-beta decay, limits on the Majoron-neutrino coupling constants for neutrino-less ββ decay of 76Ge, 130Te and 136Xe. Calculations based on interacting Boson Model IBM-2.
doi: 10.1103/PhysRevC.103.044302
2021KO46 Universe 7, 66 (2021) Role of Single-Particle Energies in Microscopic Interacting Boson Model Double Beta Decay Calculations
doi: 10.3390/universe7030066
2020AR09 Eur.Phys.J. C 80, 674 (2020) E.Armengaud, C.Augier, A.S.Barabash, F.Bellini, G.Benato, A.Benoit, M.Beretta, L.Berge, J.Billard, Yu.A.Borovlev, Ch.Bourgeois, M.Briere, V.Brudanin, P.Camus, L.Cardani, N.Casali, A.Cazes, M.Chapellier, F.Charlieux, M.de Combarieu, I.Dafinei, F.A.Danevich, M.De Jesus, L.Dumoulin, K.Eitel, E.Elkhoury, F.Ferri, B.K.Fujikawa, J.Gascon, L.Gironi, A.Giuliani, V.D.Grigorieva, M.Gros, E.Guerard, D.L.Helis, H.Z.Huang, R.Huang, J.Johnston, A.Juillard, H.Khalife, M.Kleifges, V.V.Kobychev, Yu.G.Kolomensky, S.I.Konovalov, A.Leder, J.Kotila, P.Loaiza, L.Ma, E.P.Makarov, P.de Marcillac, L.Marini, S.Marnieros, D.Misiak, X.-F.Navick, C.Nones, V.Novati, E.Olivieri, J.L.Ouellet, L.Pagnanini, P.Pari, L.Pattavina, B.Paul, M.Pavan, H.Peng, G.Pessina, S.Pirro, D.V.Poda, O.G.Polischuk, E.Previtali, T.Redon, S.Rozov, C.Rusconi, V.Sanglard, K.Schaffner, B.Schmidt, Y.Shen, V.N.Shlegel, B.Siebenborn, V.Singh, C.Tomei, V.I.Tretyak, V.I.Umatov, L.Vagneron, M.Velazquez, M.Weber, B.Welliver, L.Winslow, M.Xue, E.Yakushev, A.S.Zolotarova Precise measurement of 2νββ decay of 100Mo with the CUPID-Mo detection technology RADIOACTIVITY 100Mo(2β-); measured decay products, Eβ, Iβ; deduced T1/2. Comparison with available data.
doi: 10.1140/epjc/s10052-020-8203-4
2020FE11 Phys.Rev. C 102, 054329 (2020) J.Ferretti, J.Kotila, R.I.Magana Vsevolodovna, E.Santopinto β-decay rates of 115, 117Rh into 115, 117Pd isotopes in the microscopic interacting boson-fermion model NUCLEAR STRUCTURE 115,117Pd; calculated neutron and proton single-particle energies, levels, J, π, β-decay rates from 115,117Rh decays using neutron-proton interacting boson-fermion model (IBFM-2); deduced spin-parity for ground states. Comparison with experimental data. RADIOACTIVITY 115,117Rh(β-); calculated β-decay half-lives and logft values using IBFM-2. Comparison with available experimental data.
doi: 10.1103/PhysRevC.102.054329
2019AZ04 Phys.Rev.Lett. 123, 262501 (2019) O.Azzolini, J.W.Beeman, F.Bellini, M.Beretta, M.Biassoni, C.Brofferio, C.Bucci, S.Capelli, L.Cardani, P.Carniti, N.Casali, D.Chiesa, M.Clemenza, O.Cremonesi, A.Cruciani, I.Dafinei, S.Di Domizio, F.Ferroni, L.Gironi, A.Giuliani, P.Gorla, C.Gotti, G.Keppel, J.Kotila, M.Martinez, S.Nagorny, M.Nastasi, S.Nisi, C.Nones, D.Orlandi, L.Pagnanini, M.Pallavicini, L.Pattavina, M.Pavan, G.Pessina, V.Pettinacci, S.Pirro, S.Pozzi, E.Previtali, A.Puiu, C.Rusconi, K.Schaffner, C.Tomei, M.Vignati, A.Zolotarova Evidence of Single State Dominance in the Two-Neutrino Double-β Decay of 82Se with CUPID-0 RADIOACTIVITY 82Se(2β-); measured decay products, Eβ, Iβ; deduced two-neutrino mode T1/2. Comparison with available data.
doi: 10.1103/PhysRevLett.123.262501
2019PI11 Nucl.Phys. A992, 121624 (2019) P.Pirinen, J.Kotila, J.Suhonen Spin-dependent WIMP-nucleus scattering off 125Te, 129Xe, and 131Xe in the microscopic interacting boson-fermion model NUCLEAR REACTIONS 125,129,131Xe(ν, ν), (ν, ν'), E not given;calculated elastic, inelastic spin-dependent scattering using microscopic Interacting Boson-Fermion Model (IBFM-2) σ(θ), 126,130,132Xe total σ, levels, ∼, π, B(M1), magnetic moments, proton-only and neutron-only spin structure functions. Results compared with earlier Shell Model and with Interacting Boson-Fermion Model (IBFM); deduced model parameters.
doi: 10.1016/j.nuclphysa.2019.121624
2017HA06 Phys.Rev. C 95, 024327 (2017) M.Haaranen, J.Kotila, J.Suhonen Spectrum-shape method and the next-to-leading-order terms of the β-decay shape factor RADIOACTIVITY 113Cd, 115In(β-); calculated leading-order (Lo) and next-to-leading-order (NLO) nuclear matrix elements (NMEs) of fourth-forbidden ground-state to ground-state β transitions, partial half-lives as a function of axial-vector coupling constant gA, with vector coupling constant gV=1, β spectra and shape factors; deduced effective values of gA. Spectrum-shape method (SSM), with three nuclear-structure theory frameworks: nuclear shell model (NSM), microscopic interacting boson-fermion model (IBM), and microscopic quasiparticle-phonon model (MQPM). Comparison with experimental β spectra.
doi: 10.1103/PhysRevC.95.024327
2016KO28 Phys.Rev. C 94, 034320 (2016) Occupation probabilities of single particle levels using the microscopic interacting boson model: Application to some nuclei of interest in neutrinoless double-β decay NUCLEAR STRUCTURE 76Ge, 76Se; 100Mo, 100Ru; 128Te, 128Xe; 130Te, 130Xe; 136Xe, 136Ba; 150Nd, 150Sm; calculated neutron and proton occupancies and change in occupancies between the pair of nuclei involved for example in double-beta decay using microscopic interacting boson model IBM-2 approach. Comparison with BCS, (interacting) shell model (ISM), and available experimental data. Relevance to ground-state occupancies of valence protons and neutrons of double-β decay nuclei with A=76, 100, 128, 130, 136 and 150.
doi: 10.1103/PhysRevC.94.034320
2015BA12 Phys.Rev. C 91, 034304 (2015) 0νββ and 2νββ nuclear matrix elements in the interacting boson model with isospin restoration
doi: 10.1103/PhysRevC.91.034304
2015KO15 Phys.Rev. C 91, 064310 (2015) Phase-space factors and half-life predictions for Majoron-emitting β-β- decay RADIOACTIVITY 48Ca, 76Ge, 82Se, 96Zr, 100Mo, 110Pd, 116Cd, 124Sn, 128,130Te, 134,136Xe, 148,150Nd, 154Sm, 160Gd, 198Pt, 232Th, 238U(2β-); calculated Phase space factors using screened exact finite size Coulomb wave functions, half-lives for Majoron-emitting double-beta decay, single electron spectra, summed electron spectra, and angular correlations between the two outgoing electrons for 136Xe 0νββM decay mode. Comparison with experimental data for half-lives.
doi: 10.1103/PhysRevC.91.064310
2014KO16 Phys.Rev. C 89, 064304 (2014) Collective features of Cr and Fe isotopes NUCLEAR STRUCTURE 54,56,58,60,62,64Cr, 56,58,60,62,64,66Fe; calculated levels, J, π, B(E2), E(4+)/E(2+), E(6+)/E(4+), quadrupole moment, energy surface contours in (β-γ) plane. Proton-neutron interacting boson model (IBM-2) and interacting shell model (ISM). Discussed shape transition from a spherical vibrator to γ-soft rotor with 58Cr located at the critical point. Comparison with experimental data.
doi: 10.1103/PhysRevC.89.064304
2014KO18 Phys.Rev. C 89, 064319 (2014) Neutrinoless double-electron capture RADIOACTIVITY 124Xe, 152Gd, 156Dy, 164Er, 180W(2EC); calculated prefactors, nuclear matrix elements, half-lives for 0νϵϵ decay mode for light and heavy neutrino exchange. IBM-2 model and Argonne short-range correlation (SRC). NUCLEAR STRUCTURE 124Xe, 124Te, 152Gd, 152Sm, 156Dy, 156Gd, 164Er, 164Dy, 180W, 180Hf; calculated levels, J, π using microscopic interacting boson model (IBM-2). Comparison with experimental data.
doi: 10.1103/PhysRevC.89.064319
2013BA05 Phys.Rev. C 87, 014315 (2013) Nuclear matrix elements for double-β decay RADIOACTIVITY 48Ca, 76Ge, 82Se, 96Zr, 100Mo, 110Pd, 116Cd, 124Sn, 128,130Te, 148,150Nd, 154Sm, 160Gd, 198Pt(2β-); calculated nuclear matrix elements, half-lives for neutrinoless and two-neutrino double-β decay; deduced limits on ν mass from experiments and calculations, gA, gV. Microscopic interacting boson model (IBM-2). Light neutrino and heavy neutrino exchange. Comparison with QRPA-Tu and ISM calculation.
doi: 10.1103/PhysRevC.87.014315
2013BA18 Phys.Rev. C 87, 057301 (2013) Neutrinoless double-positron decay and positron-emitting electron capture in the interacting boson model RADIOACTIVITY 58Ni, 64Zn, 78Kr, 96Ru, 106Cd, 124Xe, 130Ba, 136Ce(2β+), (2EC), (β+EC); calculated nuclear matrix elements for 0νββ, 0νϵβ, and 0νϵϵ decay modes, half-lives. Microscopic interacting boson model (IBM-2).
doi: 10.1103/PhysRevC.87.057301
2013BE38 Phys.Rev.Lett. 111, 172501 (2013) J.Beller, N.Pietralla, J.Barea, M.Elvers, J.Endres, C.Fransen, J.Kotila, O.Moller, A.Richter, T.R.Rodriguez, C.Romig, D.Savran, M.Scheck, L.Schnorrenberger, K.Sonnabend, V.Werner, A.Zilges, M.Zweidinger Constraint on 0νββ Matrix Elements from a Novel Decay Channel of the Scissors Mode: The Case of 154Gd NUCLEAR REACTIONS 154Gd(γ, γ'), E<4.5 MeV; measured reaction products, Eγ, Iγ; deduced level energies, J, π, B(M1), B(E1). Comparison with IBM-2 and EDF calculations. RADIOACTIVITY 154Sm(2β-); calculated neutrinoless nuclear matrix elements.
doi: 10.1103/PhysRevLett.111.172501
2013KO08 Phys.Rev. C 87, 024313 (2013) Phase space factors for β+β+ decay and competing modes of double-β decay RADIOACTIVITY 78Kr, 96Ru, 106Cd, 124Xe, 130Ba, 136Ce(2β+), (β+EC), (2EC); 50Cr, 58Ni, 64Zn, 74Se, 84Sr, 92Mo, 102Pd, 112Sn, 120Te, 144Sm, 156Dy, 162Er, 168Yb, 174Hf, 184Os, 190Pt(β+EC), (2EC); 40Ca, 54Fe, 108Cd, 126Xe, 132Ba, 138Ce, 158Dy, 180W, 196Hg(2EC); calculated phase space factors, positron spectra, angular correlations between two outgoing positrons, effective nuclear matrix elements for 2νββ decay using Dirac wave functions with finite nuclear size and electron screening. Comparison with previous theoretical studies.
doi: 10.1103/PhysRevC.87.024313
2012BA30 Phys.Rev.Lett. 109, 042501 (2012) Limits on Neutrino Masses from Neutrinoless Double-β Decay RADIOACTIVITY 48Ca, 76Ge, 82Se, 96Zr, 100Mo, 110Pd, 116Cd, 124Sn, 128,130Te, 136Xe, 148,150Nd, 154Sm, 160Gd, 198Pt(2β-); analyzed theoretical and experimental data; calculated neutrinoless nuclear matrix elements; deduced neutrino mass limits.
doi: 10.1103/PhysRevLett.109.042501
2012FI01 Phys.Rev.Lett. 108, 062502 (2012) D.Fink, J.Barea, D.Beck, K.Blaum, Ch.Bohm, Ch.Borgmann, M.Breitenfeldt, F.Herfurth, A.Herlert, J.Kotila, M.Kowalska, S.Kreim, D.Lunney, S.Naimi, M.Rosenbusch, S.Schwarz, L.Schweikhard, F.Simkovic, J.Stanja, K.Zuber Q Value and Half-Lives for the Double-β-Decay Nuclide 110Pd RADIOACTIVITY 110Pd(2β-); measured resonance frequencies;deduced precise Q-value. Comparison with AME2003 atomic mass evaluation, phase-space factor calculations.
doi: 10.1103/PhysRevLett.108.062502
2012KO10 Phys.Rev. C 85, 034316 (2012) Phase-space factors for double-β decay RADIOACTIVITY 48Ca, 76Ge, 82Se, 96Zr, 100Mo, 110Pd, 116Cd, 124Sn, 128Te, 130Te, 136Xe, 148Nd, 150Nd, 154Sm, 160Gd, 198Pt, 232Th, 238U(2β-); calculated phase-space factors, Single-electron spectra, summed energy spectra, half-lives, angular correlations, effective nuclear matrix elements for 2νββ and 0νββ decay modes. Exact Dirac wave functions with finite nuclear size and electron screening. Comparison with previous studies and experimental data.
doi: 10.1103/PhysRevC.85.034316
2012KO17 Phys.Rev. C 85, 054309 (2012) J.Kotila, K.Nomura, L.Guo, N.Shimizu, T.Otsuka Shape phase transitions in the interacting boson model: Phenomenological versus microscopic descriptions NUCLEAR STRUCTURE 148,150,152,154,156,158,160Gd, 150,152,154,156,158,160,162Dy; calculated levels, J, π, B(E2), quadrupole moments for 2+ states, S(2n), potential energy surfaces in β-γ plane, R(first 4+/first 2+) and R(first 6+/second 0+) ratios. Shape phase transitions, X(5) critical-point nuclei. Phenomenological and microscopic proton-neutron interacting boson model (IBM) calculations. Comparison with experimental data.
doi: 10.1103/PhysRevC.85.054309
2010KO01 J.Phys.(London) G37, 015101 (2010) J.Kotila, J.Suhonen, D.S.Delion Description of the two-neutrino ββ decay of 100Mo by pnMAVA NUCLEAR STRUCTURE 100Mo; calculated Gamow-Teller strength functions, nuclear matrix elements for two-neutrino 2β-decay, T1/2. Microscopic anharmonic vibrator approach (MAVA), comparison with available data.
doi: 10.1088/0954-3899/37/1/015101
2006KO01 Nucl.Phys. A765, 354 (2006) J.Kotila, J.Suhonen, D.S.Delion Study of the low-lying collective states in 94-100Mo isotopes using the MAVA NUCLEAR STRUCTURE 94,96,98,100Mo; calculated two-phonon states energies, configurations, transitions B(E2). Microscopic anharmonic vibrator approach, comparison with data.
doi: 10.1016/j.nuclphysa.2005.11.009
2006KO21 Czech.J.Phys. 56, 473 (2006) J.Kotila, J.Suhonen, D.S.Delion Study of low-lying collective states using a Microscopic Anharmonic Vibrator Approach NUCLEAR STRUCTURE 98,100,102,104,106Ru; calculated two-phonon states energies, B(E2) ratios. Microscopic anharmonic vibrator approach.
doi: 10.1007/s10582-006-0111-9
2003KO36 Phys.Rev. C 68, 014307 (2003) J.Kotila, J.Suhonen, D.S.Delion Microscopic calculation of the electric decay properties of low-energy vibrational states in even 110-120Cd isotopes NUCLEAR STRUCTURE 110,112,114,116,118,120Cd; calculated two-phonon states energies, configurations, transitions B(E2). Microscopic formalism, comparison with data.
doi: 10.1103/PhysRevC.68.014307
2003KO70 Phys.Rev. C 68, 054322 (2003) J.Kotila, J.Suhonen, D.S.Delion Low-lying collective states in 98-106Ru isotopes studied using a microscopic anharmonic vibrator approach NUCLEAR STRUCTURE 98,100,102,104,106Ru; calculated levels, J, π, collective states features. Microscopic anharmonic vibrator approach, comparisons with data.
doi: 10.1103/PhysRevC.68.054322
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