NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = J.T.Matta Found 33 matches. 2023SI08 Phys.Rev. C 107, 054305 (2023) J.Simpson, M.A.Riley, A.Pipidis, E.S.Paul, X.Wang, P.J.Nolan, J.F.Sharpey-Schafer, A.Aguilar, D.E.Appelbe, A.D.Ayangeakaa, A.J.Boston, H.C.Boston, D.B.Campbell, M.P.Carpenter, C.J.Chiara, P.T.W.Choy, R.M.Clark, M.Cromaz, A.O.Evans, P.Fallon, U.Garg, A.Gorgen, D.J.Hartley, R.V.F.Janssens, D.T.Joss, D.S.Judson, F.G.Kondev, T.Lauritsen, I.Y.Lee, A.O.Macchiavelli, J.T.Matta, J.Ollier, M.Petri, J.P.Revill, L.L.Riedinger, S.V.Rigby, C.Teal, P.J.Twin, C.Unsworth, D.Ward, S.Zhu, I.Ragnarsson Evolution of structure and shapes in 158Er to ultrahigh spin NUCLEAR REACTIONS 114Cd(48Ca, 4n)158Er, E=215 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ). 158Er; deduced levels, J, π, high-spin states, angular intensity ratios, δ, B(M1/E2) ratios, nuclear shapes, alignments, rotational bands, configurations, band terminating states and feeding, transition quadrupole moments for triaxial strongly deformed bands, moment of inertia. Comparison with cranked Nilsson-Strutinski calculations. Systematics of triaxial strongly deformed bands in 158Er, 160Er, 152Dy, 163Lu. Gammasphere array of escape-suppressed HPGe detectors at 88-inch cyclotron-LBNL and ATLAS-ANL facilities.
doi: 10.1103/PhysRevC.107.054305
2023WO01 Phys.Rev. C 107, 034303 (2023) M.Wolinska-Cichocka, B.C.Rasco, K.P.Rykaczewski, N.T.Brewer, A.Fijalkowska, M.Karny, R.K.Grzywacz, K.C.Goetz, C.J.Gross, D.W.Stracener, E.F.Zganjar, J.C.Batchelder, J.C.Blackmon, S.Go, B.Heffron, J.Johnson, T.T.King, J.T.Matta, K.Miernik, M.Madurga, E.A.McCutchan, D.Miller, C.D.Nesaraja, S.V.Paulauskas, M.M.Rajabali, S.Taylor, A.A.Sonzogni, E.H.Wang, J.A.Winger, Y.Xiao, C.J.Zachary Complete β-decay patterns of 142Cs, 142Ba, and 142La determined using total absorption spectroscopy RADIOACTIVITY 142La, 142Ba, 142Cs(β-)[from 238U(p, F), E=40 MeV]; measured Eγ, Iγ, Eβ, Iβ, γβ-coin, total absorption spectra; deduced T1/2, average gamma energy per decay, β-feeding intensities, decay patterns, σ for the detection of reactor antineutrinos. 142Cs(β-n); deduced β-delayed neutron branching ratio. Comparison with other experimental values and ENSDF evaluation. Modular Total Absorption Spectrometer (MTAS) array of 19 NaI(Tl) coupled with auxiliary Si-strip detectors at the mass separator and Tandem accelerator at Oak Ridge National Laboratory.
doi: 10.1103/PhysRevC.107.034303
2022KA31 Phys.Rev. C 106, 034323 (2022) K.Katre, P.V.Madhusudhana Rao, R.Raut, A.Sharma, K.Suryanarayana, A.Tejaswi, M.Ratna Raju, D.Vijaya Lakshmi, T.Seshi Reddy, M.Kumar Raju, S.Jehangir, N.Rather, G.H.Bhat, N.Nazir, J.A.Sheikh, Y.P.Wang, J.T.Matta, A.D.Ayangeakaa, U.Garg, S.S.Ghugre, T.Trivedi, B.S.Naidu, R.Palit, S.Saha, S.Muralithar, R.P.Singh Chiral-like doublet band structure and octupole correlations in 104Ag NUCLEAR REACTIONS 76Ge(32S, 3np)104Ag, E=110 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), level T1/2 by DSAM using INGA array of 18 Compton suppressed clover detectors at the 14-UD BARC-TIFR Pelletron Facility. 104Ag; deduced high-spin levels, J, π, multipolarities, bands, B(M1), B(E2), B(E1), B(M1)/B(E1), B(M1)/B(E2), spherical configurations, moment of inertia plots, alignments; calculated potential energy surface in the (β-γ) deformation plane, octupole correlations, enhanced E1 transitions, chiral-like doublet band. Comparison with theoretical calculations using triaxial projected shell model (TPSM) and covariant density functional theory (CDFT).
doi: 10.1103/PhysRevC.106.034323
2022RA11 Phys.Rev. C 105, 064301 (2022) B.C.Rasco, K.P.Rykaczewski, A.Fijalkowska, M.Karny, M.Wolinska-Cichocka, R.K.Grzywacz, D.W.Stracener, E.F.Zganjar, J.C.Batchelder, J.C.Blackmon, N.T.Brewer, M.P.Cooper, K.C.Goetz, J.W.Johnson, T.King, A.Laminack, J.T.Matta, K.Miernik, M.Madurga, D.Miller, M.M.Rajabali, T.Ruland, P.Shuai, M.Stepaniuk, J.Winger Deciphering 98Nb β decay with the Modular Total Absorption Spectrometer at ORNL RADIOACTIVITY 98Nb(β-)[from decay chains of 98Rb and 98Sr produced in 238U(p, F) at HRIBF-ORNL facility]; measured Eγ, Iγ, total absorption γ-ray spectrum using NaI(Tl)-based Modular Total Absorption Spectrometer (MTAS); deduced average γ energy per β decay, and average ν-bar; discussed impact of measured β-feeding pattern on reactor decay heat calculations and predicted detection rates of reactor ν-bar. 98Zr; measured T1/2 with 98Zr and 98Nb in equilibrium, and compared with value in the ENSDF database. 98Mo; deduced levels, β feedings to the g.s. and excited states, logft, conversion electron per β decay from the E0 transition from the first excited 0+ state in 98Mo. Comparison with β feedings and average γ energy in the ENSDF and ENDF/B-VIII.0 databases, and with previous experimental results. Relevance to the study of β- decays of abundantly produced fission products in nuclear reactors.
doi: 10.1103/PhysRevC.105.064301
2022SH20 Phys.Rev. C 105, 054312 (2022) P.Shuai, B.C.Rasco, K.P.Rykaczewski, A.Fijalkowska, M.Karny, M.Wolinska-Cichocka, R.K.Grzywacz, C.J.Gross, D.W.Stracener, E.F.Zganjar, J.C.Batchelder, J.C.Blackmon, N.T.Brewer, S.Go, M.Cooper, K.C.Goetz, J.W.Johnson, C.U.Jost, T.T.King, J.T.Matta, J.H.Hamilton, A.Laminack, K.Miernik, M.Madurga, D.Miller, C.D.Nesaraja, S.Padgett, S.V.Paulauskas, M.M.Rajabali, T.Ruland, M.Stepaniuk, E.H.Wang, J.A.Winger Determination of β-decay feeding patterns of 88Rb and 88Kr using the Modular Total Absorption Spectrometer at ORNL HRIBF RADIOACTIVITY 88Rb(β-), 88Kr(β-)[from 238U(p, F), E=40 MeV]; measured Eγ, Iγ, Eβ, Iβ; deduced β-intensities, ground state feedings in β-decay. 88Rb; deduced T1/2. Pandemonium effect free measurements. Comparison to other experimental data. Modular Total Absorption Spectrometer (MTAS) NaI(Tl) detector array at Holifield Radioactive Ion Beam Facility (HRIBF) at the Oak Ridge National Laboratory.
doi: 10.1103/PhysRevC.105.054312
2019AS01 Nucl.Instrum.Methods Phys.Res. A922, 287 (2019) J.Ashenfelter, A.B.Balantekin, C.Baldenegro, H.R.Band, C.D.Bass, D.E.Bergeron, D.Berish, L.J.Bignell, N.S.Bowden, J.Boyle, J.Bricco, J.P.Brodsky, C.D.Bryan, A.B.Telles, J.J.Cherwinka, T.Classen, K.Commeford, A.J.Conant, A.A.Cox, D.Davee, D.Dean, G.Deichert, M.V.Diwan, M.J.Dolinski, A.Erickson, M.Febbraro, B.T.Foust, J.K.Gaison, A.Galindo-Uribarri, C.E.Gilbert, K.E.Gilje, A.Glenn, B.W.Goddard, B.T.Hackett, K.Han, S.Hans, A.B.Hansell, K.M.Heeger, B.Heffron, J.Insler, D.E.Jaffe, X.Ji, D.C.Jones, K.Koehler, O.Kyzylova, C.E.Lane, T.J.Langford, J.LaRosa, B.R.Littlejohn, F.Lopez, X.Lu, D.A.Martinez Caicedo, J.T.Matta, R.D.McKeown, M.P.Mendenhall, H.J.Miller, J.M.Minock, P.E.Mueller, H.P.Mumm, J.Napolitano, R.Neilson, J.A.Nikkel, D.Norcini, S.Nour, D.A.Pushin, X.Qian, E.Romero-Romero, R.Rosero, D.Sarenac, B.S.Seilhan, R.Sharma, P.T.Surukuchi, C.Trinh, M.A.Tyra, R.L.Varner, B.Viren, J.M.Wagner, W.Wang, B.White, C.White, J.Wilhelmi, T.Wise, H.Yao, M.Yeh, Y.-R.Yen, A.Zhang, C.Zhang, X.Zhang, M.Zhao The PROSPECT reactor antineutrino experiment
doi: 10.1016/j.nima.2018.12.079
2019BI06 Eur.Phys.J. A 55, 159 (2019) S.Biswas, R.Palit, S.Frauendorf, U.Garg, W.Li, G.H.Bhat, J.A.Sheikh, J.Sethi, S.Saha, P.Singh, D.Choudhury, J.T.Matta, A.D.Ayangeakaa, W.A.Dar, V.Singh, S.Sihotra Longitudinal wobbling in 133La NUCLEAR REACTIONS 126Te(11B, 4n)133La, E=52 MeV; measured Eγ, Iγ(θ), γγ-coin, γγγ-coin using INGA (21 Compton suppressed HPGe coupled with digital data acquisition system); deduced 133La lower levels, J, π, γ transitions, angular distribution plots for pure 758, 874, 982 keV M1 transitions in coincidence with 445 keV transition, perpendicular and parallel spectra, a32-a4 contour plots, Direction Correlation from Oriented states (DCO) ratio spectra, B(E2)in, B(E2)out, B(M1)out γ-transitions strengths, mixing ratios, wobbling bands with nω=0 and 1 with interconnecting E2 transitions, increase of wobbling of frequency; calculated 133La angular distribution plots, a2-a4 contour plots, Direction Correlation from Oriented states (DCO) using Quasiparticle-Triaxial-Rotor (QTR) model with and without Harmonic Frozen Approximation (HFA) theory, Tilted Axis Cranking (TAC) model; deduced longitudinal wobbling for 133La. Data compared with recently published 133La study using 116Cd(22Ne, x) at Gammasphere.
doi: 10.1140/epja/i2019-12856-5
2019MI12 Phys.Rev. C 100, 014302 (2019) S.L.Miller, K.A.Villafana, M.A.Riley, J.Simpson, D.J.Hartley, E.S.Paul, A.D.Ayangeakaa, J.S.Baron, P.F.Bertone, A.J.Boston, M.P.Carpenter, J.J.Carroll, J.Cavey, C.J.Chiara, P.Chowdhury, U.Garg, S.S.Hota, E.G.Jackson, R.V.F.Janssens, F.G.Kondev, T.Lauritsen, M.Litz, W.C.Ma, J.Matta, E.A.McCutchan, S.Mukhopadhyay, P.J.Nolan, E.E.Pedicini, L.L.Riedinger, J.F.Sharpey-Schafer, J.R.Vanhoy, A.Volya, X.Wang, S.Zhu Backbending, seniority, and Pauli blocking of pairing correlations at high rotational frequencies in rapidly rotating nuclei NUCLEAR STRUCTURE 156,157,158,159,160,161,162,163,164,165,166,168,170Er, 158,159,160,161,162,163,164,165,166,167,168,169,170,171,172Yb, 160,161,162,163,164,165,166,167,168,169,170,171,172,173,174Hf, 164,165,166,167,168,169,170,171,172,173,174,175,176,177W; calculated band-crossing frequencies of the first (AB) and the second (BC) i13/2 neutron alignments. 162Er, 164Yb, 166Hf, 168W: calculated AB and BC crossing frequencies as function of quadrupole deformation, and as function of the percentage of the odd-even mass difference for N=94 nuclei. Comparison with experimental data. A=134-200, Z=52-82; systematics of E(first 4+)/E(first 2+) ratios for even-even nuclei.
doi: 10.1103/PhysRevC.100.014302
2018GU05 Phys.Rev. C 97, 064323 (2018) Y.K.Gupta, K.B.Howard, U.Garg, J.T.Matta, M.Senyigit, M.Itoh, S.Ando, T.Aoki, A.Uchiyama, S.Adachi, M.Fujiwara, C.Iwamoto, A.Tamii, H.Akimune, C.Kadono, Y.Matsuda, T.Nakahara, T.Furuno, T.Kawabata, M.Tsumura, M.N.Harakeh, N.Kalantar-Nayestanaki Isoscalar giant monopole, dipole, and quadrupole resonances in 90, 92Zr and 92Mo NUCLEAR REACTIONS 90,92Zr, 92Mo(α, α'), (α, α), E=385 MeV; measured Eα, α(θ), double differential σ(E, θ) using Grand Raiden spectrometer of RCNP; deduced energies, widths, EWSR and moment ratios for isoscalar giant monopole (ISGMR), dipole (ISGDR), and quadrupole (ISGQR) strength distributions, Lorentzian parameters of distributions, collective structures not influenced by nuclear shell structure near A=90. Comparison with previous experimental results.
doi: 10.1103/PhysRevC.97.064323
2016AY04 Phys.Rev. C 93, 054317 (2016) A.D.Ayangeakaa, U.Garg, C.M.Petrache, S.Guo, P.W.Zhao, J.T.Matta, B.K.Nayak, D.Patel, R.V.F.Janssens, M.P.Carpenter, C.J.Chiara, F.G.Kondev, T.Lauritsen, D.Seweryniak, S.Zhu, S.S.Ghugre, R.Palit In-beam spectroscopy of medium- and high-spin states in 133Ce NUCLEAR REACTIONS 116Cd(22Ne, 5n), E=112 MeV; measured Eγ, Iγ, γγ-coin, γ(θ), γγ(θ) using Gammasphere array at ATLAS-ANL facility, enriched target. 133Ce; deduced high-spin levels, J, π, multipolarity, dipole and quadrupole bands, alignments, configurations, rich diversity of collective phenomena. Comparisons with calculations based on cranked Nilsson-Strutinsky (CNS) model and tilted axis cranking covariant density functional theory (TAC-CDFT).
doi: 10.1103/PhysRevC.93.054317
2016GU05 Phys.Rev. C 93, 044324 (2016) Y.K.Gupta, U.Garg, J.Hoffman, J.Matta, P.V.Madhusudhana Rao, D.Patel, T.Peach, K.Yoshida, M.Itoh, M.Fujiwara, K.Hara, H.Hashimoto, K.Nakanishi, M.Yosoi, H.Sakaguchi, S.Terashima, S.Kishi, T.Murakami, M.Uchida, Y.Yasuda, H.Akimune, T.Kawabata, M.N.Harakeh Deformation effects on isoscalar giant resonances in 24Mg NUCLEAR REACTIONS 24Mg(α, α), (α, α'), E=386 MeV; measured Eα, Iα, σ(θ) using Grand Raiden magnetic spectrometer, position-sensitive multiwire drift chambers (MWDCs) and plastic scintillators at RCNP-Osaka facility. DWBA analysis. 24Mg; deduced levels, isoscalar giant resonances, l-transfers, widths, strength distributions for isoscalar giant monopole resonance (ISGMR), isoscalar giant dipole resonance (ISGDR) and isoscalar giant quadrupole resonance (ISGQR), K-splitting of ISGMR and ISGQR, energy-weighted sum rules (EWSR). Comparison with calculations based on self-consistent solution of deformed HFB and QRPA equations using Skyrme SkM* functionals for a prolate-deformed ground state in 24Mg and compared with those expected for a spherical ground state.
doi: 10.1103/PhysRevC.93.044324
2016GU13 Phys.Lett. B 760, 482 (2016) Y.K.Gupta, U.Garg, K.B.Howard, J.T.Matta, M.Senyigit, M.Itoh, S.Ando, T.Aoki, A.Uchiyama, S.Adachi, M.Fujiwara, C.Iwamoto, A.Tamii, H.Akimune, C.Kadono, Y.Matsuda, T.Nakahara, T.Furuno, T.Kawabata, M.Tsumura, M.N.Harakeh, N.Kalantar-Nayestanaki Are there nuclear structure effects on the isoscalar giant monopole resonance and nuclear incompressibility near A ∼ 90? NUCLEAR REACTIONS 90,92Zr, 92Mo(α, α'), E=385 MeV; measured reaction products, Eα, Iα; deduced σ(θ, E), isoscalar giant monopole resonance strength distributions.
doi: 10.1016/j.physletb.2016.07.021
2016HA36 Phys.Rev. C 94, 054329 (2016) D.J.Hartley, R.V.F.Janssens, L.L.Riedinger, M.A.Riley, X.Wang, S.L.Miller, A.D.Ayangeakaa, P.F.Bertone, M.P.Carpenter, C.J.Chiara, P.Chowdhury, U.Garg, G.Gurdal, S.S.Hota, F.G.Kondev, T.Lauritsen, W.C.Ma, J.Matta, E.A.McCutchan, S.Mukhopadhyay, E.E.Pedicini, J.R.Vanhoy, S.Zhu First observation of rotational structures in 168Re NUCLEAR REACTIONS 118Sn(55Mn, 5n), E=260 MeV; measured Eγ, Iγ, γγ-coin using Gammasphere array at ATLAS-ANL facility. 168Re; deduced high-spin levels, J, π, γ-branching ratios, bands, alignments, band crossings, B(M1)/B(E2) ratios, configuration. Comparison of B(M1)/B(E2) ratios with theoretical calculations. Systematics of level energies for πh11/2νi13/2 bands in 166,168,170,172,174Re. Systematics of signature splitting for πh11/2νi13/2 bands in 166,168,170,172,174Re, 164,166,168,170,172Ta, 162,164,166,168,170Lu.
doi: 10.1103/PhysRevC.94.054329
2016PE09 Phys.Rev. C 93, 064305 (2016) C.M.Petrache, S.Guo, A.D.Ayangeakaa, U.Garg, J.T.Matta, B.K.Nayak, D.Patel, M.P.Carpenter, C.J.Chiara, R.V.F.Janssens, F.G.Kondev, T.Lauritsen, D.Seweryniak, S.Zhu, S.S.Ghugre, R.Palit Triaxiality and exotic rotations at high spins in 134Ce NUCLEAR REACTIONS 116Cd(22Ne, 4n), E=112 MeV; Measured Eγ, Iγ, γγ-coin, γ(θ), γγ(θ) using Gammasphere array at ATLAS-ANL facility. 134Ce; deduced high-spin levels, J, π, multipolarity, SD and triaxial bands, triaxiality, alignments, configurations. Comparison with cranked Nilsson-Strutinsky (CNS) calculations.
doi: 10.1103/PhysRevC.93.064305
2016PE11 Phys.Rev. C 93, 064325 (2016) T.Peach, U.Garg, Y.K.Gupta, J.Hoffman, J.T.Matta, D.Patel, P.V.Madhusudhana Rao, K.Yoshida, M.Itoh, M.Fujiwara, K.Hara, H.Hashimoto, K.Nakanishi, M.Yosoi, H.Sakaguchi, S.Terashima, S.Kishi, T.Murakami, M.Uchida, Y.Yasuda, H.Akimune, T.Kawabata, M.N.Harakeh, G.Colo Effect of ground-state deformation on isoscalar giant resonances in 28Si NUCLEAR REACTIONS 28Si(α, α), (α, α'), E=386 MeV; measured Eα, Iα, σ(θ) for g.s., first 2+ state and giant resonances using Grand Raiden magnetic spectrometer at RCNP-Osaka cyclotron facility. 28Si; deduced isoscalar giant (ISGMR, ISGQR, ISGDR, ISGOR) resonances, L-transfers, widths, strength distributions, evidence of the effect of ground-state deformation of 28Si on strength distributions. Multipole-decomposition (MDA fits), and optical model analyses. Comparison with axially deformed Hartree-Fock-Bogoliubov (HFB) and the QRPA using the Skyrme energy-density functional (EDF).
doi: 10.1103/PhysRevC.93.064325
2016PE21 Phys.Rev. C 94, 064309 (2016) C.M.Petrache, Q.B.Chen, S.Guo, A.D.Ayangeakaa, U.Garg, J.T.Matta, B.K.Nayak, D.Patel, J.Meng, M.P.Carpenter, C.J.Chiara, R.V.F.Janssens, F.G.Kondev, T.Lauritsen, D.Seweryniak, S.Zhu, S.S.Ghugre, R.Palit Triaxial-band structures, chirality, and magnetic rotation in 133La NUCLEAR REACTIONS 116Cd(22Ne, 4np), E=112 MeV; measured Eγ, Iγ, γγ-coin, γ(θ), γγ(θ) ratios using Gammasphere array at ATLAS-ANL facility. 133La; deduced high-spin levels, J, π, multipolarities, bands, alignments, B(M1)/B(E2) ratios, configurations. Comparison with calculations using cranked Nilsson-Strutinsky (CNS) model, covariant density functional theory (CDFT) with a self-consistent relativistic mean field (RMF), and the particle rotor model (PRM).
doi: 10.1103/PhysRevC.94.064309
2016RA25 Phys.Rev.Lett. 117, 092501 (2016) B.C.Rasco, M.Wolinska-Cichocka, A.Fijalkowska, K.P.Rykaczewski, M.Karny, R.K.Grzywacz, K.C.Goetz, C.J.Gross, D.W.Stracener, E.F.Zganjar, J.C.Batchelder, J.C.Blackmon, N.T.Brewer, S.Go, B.Heffron, T.King, J.T.Matta, K.Miernik, C.D.Nesaraja, S.V.Paulauskas, M.M.Rajabali, E.H.Wang, J.A.Winger, Y.Xiao, C.J.Zachary Decays of the Three Top Contributors to the Reactor ν(bar)e High-Energy Spectrum, 92Rb, 96gsY, and 142Cs, Studied with Total Absorption Spectroscopy RADIOACTIVITY 92Rb, 96Y, 142Cs(β-), (β-n) [from 238U(p, X), E=40 MeV]; measured decay products, Eγ, Iγ; deduced β-feeding intensity, impact on a reactor anti-neutrino spectrum. Comparison with available data.
doi: 10.1103/PhysRevLett.117.092501
2015GU17 Phys.Lett. B 748, 343 (2015) Y.K.Gupta, U.Garg, J.T.Matta, D.Patel, T.Peach, J.Hoffman, K.Yoshida, M.Itoh, M.Fujiwara, K.Hara, H.Hashimoto, K.Nakanishi, M.Yosoi, H.Sakaguchi, S.Terashima, S.Kishi, T.Murakami, M.Uchida, Y.Yasuda, H.Akimune, T.Kawabata, M.N.Harakeh Splitting of ISGMR strength in the light-mass nucleus 24Mg due to ground-state deformation NUCLEAR REACTIONS 24Mg(α, α'), E=386 MeV; measured reaction products, Eα, Iα; deduced energy levels, J, π, B(Eλ), the isoscalar giant monopole resonance (ISGMR) strength distribution splitting, σ(θ). Comparison with available data.
doi: 10.1016/j.physletb.2015.07.021
2015HA16 Phys.Rev. C 91, 057301 (2015) D.J.Hartley, M.A.Riley, X.Wang, S.Miller, R.V.F.Janssens, E.S.Paul, J.M.Rees, J.Simpson, L.L.Riedinger, A.D.Ayangeakaa, M.P.Carpenter, C.J.Chiara, U.Garg, P.Hampson, C.R.Hoffman, F.G.Kondev, T.Lauritsen, P.J.R.Mason, J.T.Matta, P.J.Nolan, J.Ollier, M.Petri, D.C.Radford, J.P.Revill, S.Zhu, I.Ragnarsson Persistence of collective behavior at high spin in the N=88 nucleus 153Tb NUCLEAR REACTIONS 124Sn(37Cl, 4nα), E=180 MeV; measured Eγ, Iγ, γγ-coin using Gammasphere array at ATLAS-ANL facility. 153Tb; deduced high-spin levels, J, π, bands, alignments, configurations. Systematics of yrast states in N=88 isotones 152Gd, 154Dy, 156Er, 158Yb, 153Tb, 155Ho, 157Tm, and Comparison with Nilsson-Strutinsky (CNS) calculations.
doi: 10.1103/PhysRevC.91.057301
2015MA13 Phys.Rev.Lett. 114, 082501 (2015) J.T.Matta, U.Garg, W.Li, S.Frauendorf, A.D.Ayangeakaa, D.Patel, K.W.Schlax, R.Palit, S.Saha, J.Sethi, T.Trivedi, S.S.Ghugre, R.Raut, A.K.Sinha, R.V.F.Janssens, S.Zhu, M.P.Carpenter, T.Lauritsen, D.Seweryniak, C.J.Chiara, F.G.Kondev, D.J.Hartley, C.M.Petrache, S.Mukhopadhyay, D.Vijaya Lakshmi, M.K.Raju, P.V.Madhusudhana Rao, S.K.Tandel, S.Ray, F.Donau Transverse Wobbling in 135Pr NUCLEAR REACTIONS 123Sb(16O, 4n), E=80 MeV; measured reaction products, Eγ, Iγ, γ-γ-γ-coin.; deduced energy levels, J, π, wobbling bands, B(M1)/B(E2), deviation from axiality. Comparison with available data and theoretical calculations.
doi: 10.1103/PhysRevLett.114.082501
2015PA16 Acta Phys.Pol. B46, 487 (2015) E.S.Paul, J.M.Rees, P.Hampson, M.A.Riley, J.Simpson, A.D.Ayangeakaa, J.S.Baron, M.P.Carpenter, C.J.Chiara, U.Garg, D.J.Hartley, C.R.Hoffman, R.V.F.Janssens, F.G.Kondev, T.Lauritsen, P.J.R.Mason, J.Matta, S.L.Miller, P.J.Nolan, J.Ollier, M.Petri, D.C.Radford, J.P.Revill, X.Wang, S.Zhu, I.Ragnarsson Recent Results at Ultrahigh Spin: Terminating States and Beyond in Mass 160 Rare-earth Nuclei NUCLEAR REACTIONS 124Sn(37Cl, xn)155Ho/156Ho/157Ho, E=180 MeV; measured reaction products, Eγ, Iγ; deduced energy levels, J, π, systematics.
doi: 10.5506/APhysPolB.46.487
2015RE03 Phys.Rev. C 91, 054301 (2015) J.M.Rees, E.S.Paul, J.Simpson, M.A.Riley, A.D.Ayangeakaa, M.P.Carpenter, C.J.Chiara, U.Garg, P.Hampson, D.J.Hartley, C.R.Hoffman, R.V.F.Janssens, F.G.Kondev, T.Lauritsen, P.J.R.Mason, J.Matta, S.L.Miller, P.J.Nolan, J.Ollier, M.Petri, D.C.Radford, J.P.Revill, X.Wang, S.Zhu, J.Gellanki, I.Ragnarsson High-spin terminating states in the N=88 155Ho and 156Er isotones NUCLEAR REACTIONS 124Sn(37Cl, 6n)155Ho, E=180 MeV; 114Cd(48Ca, 6n)156Er, E=215 MeV; measured Eγ, Iγ, γγ-coin, angular intensity ratios using Gammasphere array at ATLAS-ANL facility. 155Ho, 156Er; deduced high-spin levels, J, π, multipolarity, bands, non-collective oblate states in 155Ho, γ-branching ratios and B(M1)/B(E2) for 155Ho, alignments, configurations, staggering parameter; calculated Tilted Fermi-surface diagrams. Comparison with cranked Nilsson-Strutinsky calculations, and with structure of N=88 isotones 154Dy, 155Ho and 156Er.
doi: 10.1103/PhysRevC.91.054301
2014GA07 Phys.Rev.Lett. 112, 112503 (2014) A.Gade, R.V.F.Janssens, D.Weisshaar, B.A.Brown, E.Lunderberg, M.Albers, V.M.Bader, T.Baugher, D.Bazin, J.S.Berryman, C.M.Campbell, M.P.Carpenter, C.J.Chiara, H.L.Crawford, M.Cromaz, U.Garg, C.R.Hoffman, F.G.Kondev, C.Langer, T.Lauritsen, I.Y.Lee, S.M.Lenzi, J.T.Matta, F.Nowacki, F.Recchia, K.Sieja, S.R.Stroberg, J.A.Tostevin, S.J.Williams, K.Wimmer, S.Zhu Nuclear Structure Towards N=40 60Ca: In-Beam γ-Ray Spectroscopy of 58, 60Ti NUCLEAR REACTIONS Be(61V, X)58Ti/60Ti, E=90 MeV/nucleon; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced energy levels, J, π, partial σ. Comparison with calculations using GXPF1A and LNPS spectroscopic factors, GRETINA at MSU.
doi: 10.1103/PhysRevLett.112.112503
2014HA22 Phys.Rev. C 90, 017301 (2014) D.J.Hartley, R.V.F.Janssens, L.L.Riedinger, M.A.Riley, X.Wang, S.Miller, A.D.Ayangeakaa, M.P.Carpenter, J.J.Carroll, J.Cavey, C.J.Chiara, P.Chowdhury, U.Garg, S.S.Hota, E.G.Jackson, F.G.Kondev, T.Lauritsen, M.Litz, W.C.Ma, J.Matta, E.S.Paul, E.E.Pedicini, J.Simpson, J.R.Vanhoy, S.Zhu High-spin structure of odd-odd 172Re NUCLEAR REACTIONS 120Sn(55Mn, 3n), E=257 MeV; measured Eγ, Iγ, γγ, three- and higher-fold coincidences, γγ(θ) ratios using Gammasphere array at ATLAS-ANL facility. 172Re; deduced high-spin levels, J, π, bands, configurations, alignment plots.
doi: 10.1103/PhysRevC.90.017301
2014PA29 Phys.Lett. B 735, 387 (2014) D.Patel, U.Garg, M.Itoh, H.Akimune, G.P.A.Berg, M.Fujiwara, M.N.Harakeh, C.Iwamoto, T.Kawabata, K.Kawase, J.T.Matta, T.Murakami, A.Okamoto, T.Sako, K.W.Schlax, F.Takahashi, M.White, M.Yosoi Excitation of giant monopole resonance in 208Pb and 116Sn using inelastic deuteron scattering NUCLEAR REACTIONS 208Pb, 116Sn(d, d'), (d, d), E=196 MeV; measured reaction products; deduced σ(θ), σ(θ, E), isoscalar giant monopole resonance strength. Comparison with available data.
doi: 10.1016/j.physletb.2014.06.073
2013AY03 Phys.Rev.Lett. 110, 102501 (2013) A.D.Ayangeakaa, U.Garg, M.A.Caprio, M.P.Carpenter, S.S.Ghugre, R.V.F.Janssens, F.G.Kondev, J.T.Matta, S.Mukhopadhyay, D.Patel, D.Seweryniak, J.Sun, S.Zhu, S.Frauendorf Tidal Waves in 102Pd: A Rotating Condensate of Multiple d Bosons NUCLEAR REACTIONS 76Ge(30Si, 4n)102Pd, E=90 MeV; measured reaction products, Eγ, Iγ; deduced high-spin yrast states, J, π, T1/2, B(E2), transition quadrupole moments. Doppler shift attenuation, comparison with calculations.
doi: 10.1103/PhysRevLett.110.102501
2013AY04 Phys.Rev.Lett. 110, 172504 (2013) A.D.Ayangeakaa, U.Garg, M.D.Anthony, S.Frauendorf, J.T.Matta, B.K.Nayak, D.Patel, Q.B.Chen, S.Q.Zhang, P.W.Zhao, B.Qi, J.Meng, R.V.F.Janssens, M.P.Carpenter, C.J.Chiara, F.G.Kondev, T.Lauritsen, D.Seweryniak, S.Zhu, S.S.Ghugre, R.Palit Evidence for Multiple Chiral Doublet Bands in 133Ce NUCLEAR REACTIONS 116Cd(22Ne, 5n)133Ce, E=112 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced high-spin states energies, J, π, two distinct sets of criral-partner bands. Comparison with available data, relativistic mean field calculations.
doi: 10.1103/PhysRevLett.110.172504
2013HA02 Phys.Rev. C 87, 024315 (2013) D.J.Hartley, R.V.F.Janssens, L.L.Riedinger, M.A.Riley, X.Wang, S.Miller, A.D.Ayangeakaa, P.F.Bertone, M.P.Carpenter, C.J.Chiara, P.Chowdhury, U.Garg, G.Gurdal, S.S.Hota, F.G.Kondev, T.Lauritsen, W.C.Ma, J.Matta, E.A.McCutchan, S.Mukhopadhyay, E.E.Pedicini, J.R.Vanhoy, S.Zhu Multiple band structures in 169, 170Re: Search for the wobbling mode in 169Re, and residual-interaction analysis of structures in 170Re NUCLEAR REACTIONS 118Sn(55Mn, X), E=260 MeV; measured Eγ, Iγ, γγ-coin, using the Gammasphere. 169,170Re; deduced levels, J, π, B(M1)/B(E2), bands, configurations; calculated B(M1)/B(E2). NUCLEAR STRUCTURE 164,166,168Lu, 166,168,170,172Ta, 170,172,174Re, 176Ir; calculated residual interactions. 163,165,167,169,171Lu, 165,167,169,171,173Ta, 169,171,173,175Re, 173,175,177Ir; calculated relative levels of πi13/2, πh9/2, πh11/2 bands.
doi: 10.1103/PhysRevC.87.024315
2013HA36 Phys.Rev. C 88, 044323 (2013) D.J.Hartley, E.E.Pedicini, R.V.F.Janssens, L.L.Riedinger, M.A.Riley, X.Wang, S.Miller, A.D.Ayangeakaa, M.P.Carpenter, J.J.Carroll, J.Cavey, C.J.Chiara, P.Chowdhury, U.Garg, S.S.Hota, E.G.Jackson, F.G.Kondev, T.Lauritsen, M.Litz, W.C.Ma, J.Matta, E.S.Paul, J.Simpson, J.R.Vanhoy, S.Zhu Possible deformation evolution in the π i13/2 structure of 171Re NUCLEAR REACTIONS 120Sn(55Mn, 4n), E=257 MeV; measured Eγ, Iγ, γγ-coin, three- and higher-fold coincidences, angular correlation ratios using Gammasphere array at ATLAS-ANL facility. 171Re; deduced high-spin levels, J, π, multipolarity, rotational bands, alignments, configurations, B(M1)/B(E2), moment of inertia plots. No evidence found for wobbling mode of excitation. Comparison with cranked shell-model calculations.
doi: 10.1103/PhysRevC.88.044323
2013PA27 Phys.Lett. B 726, 178 (2013) D.Patel, U.Garg, M.Fujiwara, T.Adachi, H.Akimune, G.P.A.Berg, M.N.Harakeh, M.Itoh, C.Iwamoto, A.Long, J.T.Matta, T.Murakami, A.Okamoto, K.Sault, R.Talwar, M.Uchida, M.Yosoi Testing the mutually enhanced magicity effect in nuclear incompressibility via the giant monopole resonance in the 204, 206, 208Pb isotopes NUCLEAR REACTIONS 204,206,208Pb(α, X), (α, α), E<100 MeV/nucleon; measured reaction products, Eα, Iα; deduced σ(θ, E), strength distributions of the isoscalar giant monopole resonance, optical model parameters, lack of of mutually enhanced magicity effect. Comparison with available data.
doi: 10.1016/j.physletb.2013.08.027
2012WA39 J.Phys.:Conf.Ser. 381, 012065 (2012) X.Wang, M.A.Riley, J.Simpson, E.S.Paul, R.V.F.Janssens, A.D.Ayangeakaa, H.C.Boston, M.P.Carpenter, C.J.Chiara, U.Garg, P.Hampson, D.J.Hartley, C.R.Hoffman, D.S.Judson, F.G.Kondev, T.Lauritsen, N.M.Lumley, J.Matta, S.Miller, P.J.Nolan, J.Oilier, M.Petri, D.C.Radford, J.M.Rees, J.P.Revill, L.L.Riedinger, S.V.Rigby, C.Unsworth, S.Zhu, I.Ragnarsson Collective structures up to spin ∼ 65h-(bar) in the N = 90 isotones 158Er and 157Ho NUCLEAR REACTIONS 114Cd(48Ca, X)158Er, E=215 MeV;124Sn(37Cl, X)157Ho, E=177 MeV; measured Eγ, Iγ, γγ-coin using Compton-suppressed HPGe detectors of Gammasphere; analyzed Doppler shifts. 158Er, 157Ho deduced high-spin (ultrahigh-spin) rotational bands, transition quadrupole moments, Doppler shift vs Eγ.
doi: 10.1088/1742-6596/381/1/012065
2011RE06 Phys.Rev. C 83, 044314 (2011) J.M.Rees, E.S.Paul, M.A.Riley, J.Simpson, A.D.Ayangeakaa, H.C.Boston, M.P.Carpenter, C.J.Chiara, U.Garg, D.J.Hartley, R.V.F.Janssens, D.S.Judson, F.G.Kondev, T.Lauritsen, N.M.Lumley, J.Matta, P.J.Nolan, J.Ollier, M.Petri, J.P.Revill, L.L.Riedinger, S.V.Rigby, C.Unsworth, X.Wang, S.Zhu Non-yrast positive-parity structures in the γ -soft nucleus 156Er NUCLEAR REACTIONS 114Cd(48Ca, 6n), E=215 MeV; measured Eγ, Iγ, γγ-coin, angular distributions using Gammasphere spectrometer. 156Er; deduced levels, J, π, rotational bands, multipolarity, alignments, staggering parameter, configurations. Comparison with predictions of γ-rigid and γ-soft rotor model. Systematics of γ-vibrational bands for Z=68 isotopes and N=88 isotones.
doi: 10.1103/PhysRevC.83.044314
2011WA14 Phys.Lett. B 702, 127 (2011) X.Wang, M.A.Riley, J.Simpson, E.S.Paul, J.Ollier, R.V.F.Janssens, A.D.Ayangeakaa, H.C.Boston, M.P.Carpenter, C.J.Chiara, U.Garg, D.J.Hartley, D.S.Judson, F.G.Kondev, T.Lauritsen, N.M.Lumley, J.Matta, P.J.Nolan, M.Petri, J.P.Revill, L.L.Riedinger, S.V.Rigby, C.Unsworth, S.Zhu, I.Ragnarsson Quadrupole moments of collective structures up to spin ∼ 65h in 157Er and 158Er: A challenge for understanding triaxiality in nuclei NUCLEAR REACTIONS 114Cd(48Ca, X)157Er/158Er, E=215 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced transition quadrupole moments for weakly populated collective bands, large deformations, stable triaxial shapes. Comparison with Nilsson-Strutinsky calculations.
doi: 10.1016/j.physletb.2011.07.007
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