NSR Query Results


Output year order : Descending
Format : Normal

NSR database version of May 21, 2024.

Search: Author = J.J.Carroll

Found 91 matches.

Back to query form



2024TR01      Phys.Rev. C 109, 044320 (2024)

V.Tripathi, S.Bhattacharya, E.Rubino, C.Benetti, J.F.Perello, S.L.Tabor, S.N.Liddick, P.C.Bender, M.P.Carpenter, J.J.Carroll, A.Chester, C.J.Chiara, K.Childers, B.R.Clark, B.P.Crider, J.T.Harke, R.Jain, B.Longfellow, S.Luitel, M.Mogannam, T.H.Ogunbeku, A.L.Richard, S.Saha, N.Shimizu, O.A.Shehu, Y.Utsuno, R.Unz, Y.Xiao, S.Yoshida, Y.Zhu

Low spin spectroscopy of neutron-rich 43, 44, 45Cl via β- and βn decay

doi: 10.1103/PhysRevC.109.044320
Citations: PlumX Metrics


2023BH05      Phys.Rev. C 108, 024312 (2023)

S.Bhattacharya, V.Tripathi, S.L.Tabor, A.Volya, P.C.Bender, C.Benetti, M.P.Carpenter, J.J.Carroll, A.Chester, C.J.Chiara, K.Childers, B.R.Clark, B.P.Crider, J.T.Harke, R.Jain, S.N.Liddick, R.S.Lubna, S.Luitel, B.Longfellow, M.J.Mogannam, T.H.Ogunbeku, J.Perello, A.L.Richard, E.Rubino, S.Saha, O.A.Shehu, R.Unz, Y.Xiao, Y.Zhu

β- decay of neutron-rich 45Cl located at the magic number N=28

RADIOACTIVITY 45Cl(β-), (β-n)[from Be(48Ca, X), E=140 MeV/nucleon]; measured Eγ, Iγ, Eβ, Iβ, βγ-coin; deduced T1/2, Q values, β-feedings, branchings; calculated logft. 44,45Ar; deduced levels, J, π. Comparison to shell-model calculations with FSU interaction. Systematics of the first excited 2+ state energy for the even-A Ar isotopes (from N= 20 to 30). Beta Counting System (BCS) equipped with a 986 υm thick pixelated (40 strips x 40 strips) DSSD detector, followed by SSCD and surrounded by 16 Clover detectors at NSCL.

NUCLEAR STRUCTURE 43,44,45Ar; calculated levels, J, π, B(M1), B(E2), proton and neutron occupation numbers. Shell-model calculations with FSU interaction. Comparison to experimental data.

doi: 10.1103/PhysRevC.108.024312
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2023CR03      Nucl.Instrum.Methods Phys.Res. A1055, 168525 (2023)

B.P.Crider, C.J.Prokop, S.N.Liddick, H.M.Albers, M.Alshudifat, A.D.Ayangeakaa, M.P.Carpenter, J.J.Carroll, J.Chen, C.J.Chiara, A.C.Dombos, S.Go, R.Grzywacz, J.Harker, R.V.F.Janssens, N.Larson, T.Lauritsen, R.Lewis, S.J.Quinn, F.Recchia, D.Seweryniak, A.Spyrou, S.Suchyta, W.B.Walters, S.Zhu

New method for level-lifetime measurements with thick scintillators

NUCLEAR REACTIONS 9Be(76Ge, X)68Ni/68Zn/69Ni/70Ni, E=140 MeV/nucleon; measured reaction products, Eγ, Iγ, Eβ, Iβ, βγ-coin.; deduced γ-ray energies, level T1/2. Comparison with available data. The National Superconducting Cyclotron Laboratory (NSCL), the coupled cyclotron facility.

doi: 10.1016/j.nima.2023.168525
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2023RZ02      Phys.Rev. C 108, L031302 (2023)

J.Rzadkiewicz, K.Slabkowska, M.Polasik, L.Syrocki, J.J.Carroll, C.J.Chiara

93mMo isomer depletion via nuclear excitation by electron capture in resonant transfer into highly excited open-shell atomic states

doi: 10.1103/PhysRevC.108.L031302
Citations: PlumX Metrics


2022CH09      Phys.Rev. C 105, 024319 (2022)

A.Chester, B.A.Brown, S.P.Burcher, M.P.Carpenter, J.J.Carroll, C.J.Chiara, P.A.Copp, B.P.Crider, J.T.Harke, D.E.M.Hoff, K.Kolos, S.N.Liddick, B.Longfellow, M.J.Mogannam, T.H.Ogunbeku, C.J.Prokop, D.Rhodes, A.L.Richard, O.A.Shehu, A.S.Tamashiro, R.Unz, Y.Xiao

Half-life measurement of the 199-keV isomeric state in 76Ga

RADIOACTIVITY 76Zn(β-)[from 76Cu β- formed in 9Be(86Kr, X), E=140 MeV/nucleon]; 76Ga(IT)[from 76Zn(β-)]; measured Eβ, Iβ, Eγ, Iγ, βγ-coin. 76Ga; deduced levels J, π, transition strength, T1/2 of the 199-keV isomeric transition from time difference between pulses produced by β-decay populating the isomeric state and γ from the decay of the isomer. Systematics of low-lying levels in 72,74,76,78,80Ga. Beam implantation in CeBr detector (NSCL-MSU ).

NUCLEAR STRUCTURE 76Ga; calculated levels, J, π, transition strength. Shell model calculations in the jj44 model space with the jun45, jj44b, and jj44c Hamiltonians.

doi: 10.1103/PhysRevC.105.024319
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2022JA13      Phys.Rev. C 106, 044303 (2022)

L.Janiak, M.Gierlik, G.Madejowski, R.Prokopowicz, S.Wronka, J.Rzadkiewicz, J.J.Carroll, C.J.Chiara

Half-life of the 188-keV isomer of 184Re

RADIOACTIVITY 184Re(IT), (EC)[from Re(n, γ), E=thermal]; 60Co, 134Cs, 186Re(β-); measured Eγ, Iγ, T1/2 of decays of 184Re isomer and 134Cs g.s. by γ-decay curves, with reference to activities and half-lives of decays of 60Co and 186Re ground states; deduced T1/2 of 184Re isomer with improved precision by two orders of magnitude as compared to the literature value.

doi: 10.1103/PhysRevC.106.044303
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2022SA20      Phys.Lett. B 829, 137059 (2022)

M.Saxena, W.-J.Ong, Z.Meisel, D.E.M.Hoff, N.Smirnova, P.C.Bender, S.P.Burcher, M.P.Carpenter, J.J.Carroll, A.Chester, C.J.Chiara, R.Conaway, P.A.Copp, B.P.Crider, J.Derkin, A.Estrae, G.Hamad, J.T.Harke, R.Jain, H.Jayatissa, S.N.Liddick, B.Longfellow, M.Mogannam, F.Montes, N.Nepal, T.H.Ogunbeku, A.L.Richard, H.Schatz, D.Soltesz, S.K.Subedi, I.Sultana, A.S.Tamashiro, V.Tripathi, Y.Xiao, R.Zink

57Zn β-delayed proton emission establishes the 56Ni rp-process waiting point bypass

RADIOACTIVITY 57Zn(β+p), (β+) [from 9Be(78Kr, X)57Zn, E=150 MeV/nucleon]; measured decay products, Eγ, Iγ, Eβ, Iβ, Ep, Ip; deduced T1/2, βp branching ratio, β-γ-p decay mode transitions. The Coupled Cyclotron Facility of NSCL.

doi: 10.1016/j.physletb.2022.137059
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2022TR03      Phys.Rev. C 106, 064314 (2022)

V.Tripathi, S.Bhattacharya, E.Rubino, C.Benetti, J.F.Perello, S.L.Tabor, S.N.Liddick, P.C.Bender, M.P.Carpenter, J.J.Carroll, A.Chester, C.J.Chiara, K.Childers, B.R.Clark, B.P.Crider, J.T.Harke, B.Longfellow, R.S.Lubna, S.Luitel, T.H.Ogunbeku, A.L.Richard, S.Saha, N.Shimizu, O.A.Shehu, Y.Utsuno, R.Unz, Y.Xiao, S.Yoshida, Y.Zhu

β- decay of exotic P and S isotopes with neutron number near 28

RADIOACTIVITY 42,43,44P, 44,46S(β-), (β-n) [from Be(48Ca, X), E=140 MeV/nucleon)]; 41S(β-) [from 42P(β-n]; measured Iβ, Eγ, Iγ, βγ-coin, (implant)γ-coin; deduced T1/2, logft, delayed neutron emission probabilities. 42P; deduced J, π of the ground state. 42,41S, 41Cl; deduced levels, J, π, transition intensities. The half-lives were extracted from the fitting of decay curves. Comparison to calculations performed with shell-model using SDPFSDG-MU interaction. Beta Counting System (BCS) - 40x40 DSSD as the implant and β detector, surrounded by a γ-array of 16 Clover detectors in close geometry (NSCL).

doi: 10.1103/PhysRevC.106.064314
Citations: PlumX Metrics


2021CH56      Phys.Rev. C 104, 054314 (2021)

A.Chester, B.A.Brown, S.P.Burcher, M.P.Carpenter, J.J.Carroll, C.J.Chiara, P.A.Copp, B.P.Crider, J.T.Harke, D.E.M.Hoff, K.Kolos, S.N.Liddick, B.Longfellow, M.J.Mogannam, T.H.Ogunbeku, C.J.Prokop, D.Rhodes, A.L.Richard, O.A.Shehu, A.S.Tamashiro, R.Unz, Y.Xiao

Identification of a new isomeric state in 76Zn following the β decay of 76Cu

RADIOACTIVITY 76Cu(β-)[from 9Be(86Kr, X), E=140 MeV/nucleon, followed by separation of fragments of interest using A1900 fragment separator at NSCL-MSU facility]; measured reaction products, particle identification plot of ions implanted in CeBr3 detector, Eγ, Iγ, (76Cu implants)γ-coin, γγ-coin, T1/2 of a nanosecond isomer by fast timing method using an array of 16 HPGe clover detectors and 15 LaBr3 detectors. 76Zn; deduced levels, J, π, new isomer, Comparison with shell-model calculations.

NUCLEAR STRUCTURE 76Zn; calculated levels, J, π, level T1/2, isomers, proton and neutron occupancy numbers of negative-parity isomeric states using shell model with jj4b, jj4c and JUN45 interactions. Comparison with experimental data.

doi: 10.1103/PhysRevC.104.054314
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2021CR01      Phys.Lett. B 816, 136210 (2021)

F.C.L.Crespi, A.Bracco, E.G.Lanza, A.Tamii, N.Blasi, F.Camera, O.Wieland, N.Aoi, D.L.Balabanski, S.Bassauer, A.S.Brown, M.P.Carpenter, J.J.Carroll, M.Ciemala, A.Czeszumska, P.J.Davies, V.Derya, L.M.Donaldson, Y.D.Fang, H.Fujita, G.Gey, H.T.Ha, M.N.Harakeh, T.Hashimoto, N.Ichige, E.Ideguchi, A.Inoue, J.Isaak, C.Iwamoto, D.G.Jenkins, T.Klaus, N.Kobayashi, T.Koike, M.Krzysiek, M.K.Raju, M.Liu, A.Maj, L.Morris, P.von Neumann-Cosel, S.Noji, H.J.Ong, S.G.Pickstone, N.Pietralla, D.Savran, J.M.Schmitt, M.Spieker, G.Steinhilber, C.Sullivan, B.Wasilewska, M.Weinert, V.Werner, Y.Yamamoto, T.Yamamoto, R.G.T.Zegers, X.Zhou, S.Zhu, A.Zilges

The structure of low-lying 1- states in 90, 94Zr from (α, α'γ) and (p, p'γ) reactions

NUCLEAR REACTIONS 90,94Zr(p, p'γ), E=80 MeV; 90,94Zr(α, α'γ), E=130 MeV; measured reaction products, Eγ, Iγ; deduced ratio of the measured yields, dipole states σ, transition densities, low-lying dipole strength. The array CAGRA with HPGe detectors.

doi: 10.1016/j.physletb.2021.136210
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2021MO25      Phys.Rev. C 104, 054323 (2021)

L.Morris, D.G.Jenkins, M.N.Harakeh, J.Isaak, N.Kobayashi, A.Tamii, S.Adachi, P.Adsley, N.Aoi, A.Bracco, A.Brown, M.P.Carpenter, J.J.Carroll, S.Courtin, F.C.L.Crespi, P.J.Davies, G.Fruet, Y.D.Fang, H.Fujita, G.Gey, T.H.Hoang, N.Ichige, E.Ideguchi, A.Inoue, C.Iwamoto, T.Koike, M.Kumar Raju, M.L.Liu, D.Montanari, P.von Neumann-Cosel, S.Noji, H.J.Ong, D.Savran, J.M.Schmitt, C.Sullivan, B.Wasilewska, M.Weinert, V.Werner, Y.Yamamoto, R.G.T.Zegers, X.H.Zhou, S.Zhu

Search for in-band transitions in the candidate superdeformed band in 28Si

NUCLEAR REACTIONS 28Si(α, α'), E=130 MeV beam from K140 AVF cyclotron at the RCNP-Osaka; measured Eα, Iα using the Grand Raiden spectrometer, Eγ, Iγ, γγ-coin using CAGRA array of 12 HPGe clover detectors and four LaBr3 detectors. 28Si; deduced levels, J, π, bands; analyzed 4+ member in search of a superdeformed (SD) band, branching ratios of γ rays from the 4+ member, and B(E2); based on comparison of experimental B(E2) values with predicted B(E2) values from antisymmetrized molecular dynamics (AMD) calculations for a set of identified states in 28Si, strongly rejected hypothesized superdeformed band in this nuclide.

doi: 10.1103/PhysRevC.104.054323
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2021RZ01      Phys.Rev.Lett. 127, 042501 (2021)

J.Rzadkiewicz, M.Polasik, K.Slabkowska, L.Syrocki, J.J.Carroll, C.J.Chiara

Novel Approach to 93mMo Isomer Depletion: Nuclear Excitation by Electron Capture in Resonant Transfer Process

RADIOACTIVITY 93Mo(IT), (EC); analyzed available data; deduced partial and total probabilities for isomer depletion.

doi: 10.1103/PhysRevLett.127.042501
Citations: PlumX Metrics


2021ZA06      Phys.Rev. C 104, 014607 (2021)

J.C.Zamora, C.Sullivan, R.G.T.Zegers, N.Aoi, L.Batail, D.Bazin, M.Carpenter, J.J.Carroll, Y.D.Fang, H.Fujita, U.Garg, G.Gey, C.J.Guess, M.N.Harakeh, T.H.Hoang, E.Hudson, N.Ichige, E.Ideguchi, A.Inoue, J.Isaak, C.Iwamoto, C.Kacir, N.Kobayashi, T.Koike, M.Kumar Raju, S.Lipschutz, M.Liu, P.von Neumann-Cosel, S.Noji, H.J.Ong, S.Peru, J.Pereira, J.Schmitt, A.Tamii, R.Titus, V.Werner, Y.Yamamoto, X.Zhou, S.Zhu

Investigation of the isoscalar response of 24Mg to 6Li scattering

NUCLEAR REACTIONS 24Mg(6Li, 6Li'), E=100 MeV/nucleon; measured scattered 6Li particles, σ(θ) using Grand Raiden spectrometer and two position-sensitive multiwire drift chambers (MWDCs) and three plastic scintillators for particle identification and reconstructing their trajectories at RCNP-Osaka University; deduced differential σ(E, Q), angular momentum transfers by fitting with multipole-decomposition analysis (MDA) using DWBA calculations for angular-momentum transfers. 24Mg; deduced energies, widths, EWSR, isoscaler giant monopole resonance (ISGMR), isoscaler giant monopole resonance (ISGDR), isoscaler giant quadrupole resonance (ISGQR) strength functions from Lorentzian fits to data. Comparison with antisymmetrized molecular dynamics (AMD) calculations, and with previous experimental data.

doi: 10.1103/PhysRevC.104.014607
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2709. Data from this article have been entered in the XUNDL database. For more information, click here.


2020CA11      Phys.Rev. C 101, 054314 (2020)

R.J.Carroll, P.M.Walker, G.J.Lane, M.W.Reed, A.Akber, H.M.Albers, J.J.Carroll, D.M.Cullen, A.C.Dai, C.Fahlander, M.S.M.Gerathy, S.S.Hota, G.Lotay, T.Kibedi, V.Margerin, A.J.Mitchell, N.Palalani, T.Palazzo, Z.Patel, R.Shearman, A.E.Stuchbery, F.R.Xu

γ-ray spectroscopy of a four-quasiparticle isomer band in 174Re

NUCLEAR REACTIONS 160Dy(19F, 5n), E=107 MeV pulsed beam from the 14-UD Pelletron at the Australian National University]; measured prompt and delayed Eγ, Iγ, γγ-coin, half-lives of isomers by γ(t) and γγ(t) using the CAESAR HPGe detector array. 174Re; deduced levels, J, π, bands, γ-branching ratios, four-quasiparticle Kπ=(14-) isomer, Nilsson configurations, gK, Weisskopf hindrances and reduced hindrances for transitions from the (14-) isomer and the (8-) bandhead; calculated potential energy surfaces. Comparison with previous experimental results.

doi: 10.1103/PhysRevC.101.054314
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2020ZA05      Phys.Rev. C 101, 064609 (2020)

J.C.Zamora, C.Sullivan, R.G.T.Zegers, N.Aoi, L.Batail, D.Bazin, M.Carpenter, J.J.Carroll, I.Deloncle, Y.D.Fang, H.Fujita, U.Garg, G.Gey, C.J.Guess, M.N.Harakeh, T.H.Hoang, E.Hudson, N.Ichige, E.Ideguchi, A.Inoue, J.Isaak, C.Iwamoto, C.Kacir, N.Kobayashi, T.Koike, M.Kumar Raju, S.Lipschutz, M.Liu, P.von Neumann-Cosel, S.Noji, H.J.Ong, S.Peru, J.Pereira, J.Schmitt, A.Tamii, R.Titus, V.Werner, Y.Yamamoto, X.Zhou, S.Zhu

Reexamination of isoscalar giant resonances in 12C and 93Nb through 6Li scattering

NUCLEAR REACTIONS 12C, 93Nb(6Li, 6Li'), E=100 MeV/nucleon; measured 6Li spectra, double-differential σ, and angular distributions for the isoscalar giant monopole resonances (ISGMRs) using the high-resolution Grand Raiden magnetic spectrometer at the RCNP-Osaka facility; deduced contribution of different angular momentum transfers to differential σ, energies, widths and E0 strength distribution of GMRs, EWSR, influence on GMRs due to nuclear structure. Angular distribution data fitted using multipole-decomposition analysis (MDA) and DWBA methods. Comparison with antisymmetrized molecular dynamics (AMD) calculations, and with previous experimental data.

doi: 10.1103/PhysRevC.101.064609
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2673. Data from this article have been entered in the XUNDL database. For more information, click here.


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
Citations: PlumX Metrics


2019RZ01      Phys.Rev. C 99, 044309 (2019)

J.Rzadkiewicz, M.Polasik, K.Slabkowska, L.Syrocki, E.Weder, J.J.Carroll, C.J.Chiara

Beam-based scenario for 242mAm isomer depletion via nuclear excitation by electron capture

NUCLEAR REACTIONS 242Pu(d, 2n), (d, 3n), (d, F), E=6.2-7.5 MeV/nucleon; 238U(7Li, 3n), (7Li, 4n), (7Li, 5n), (7Li, F), E=5.0-6.3 MeV/nucleon; calculated σ(E) using GEMINI++ fusion-evaporation code. 7Li, 12C, 27Al(242Am, X), E=2.5-6.0 MeV/nucleon; calculated mean equilibrium charge state, resonance strength for nuclear excitation by electron capture (NEEC) process in 242mAm isomer as function of kinetic energy of 242mAm ions for capture of an electron into various subshells. 242mAm; discussed beam-based scenario for the production and depletion of the 141 y, 5- isomer through its excitation to the 52.7-keV level by electron capture.

doi: 10.1103/PhysRevC.99.044309
Citations: PlumX Metrics


2019SL01      Acta Phys.Pol. B50, 651 (2019)

K.Slabkowska, E.Weder, L.Syrocki, M.Polasik, J.Rzadkiewicz, J.J.Carroll, C.J.Chiara

93mMo Isomer Depletion via Nuclear Excitation by Electron Capture: Energy Released for Different Atomic Subshells as Benchmarks for a Beam-based Scenario Approach

RADIOACTIVITY 93Mo(IT); calculated energy release in electron capture process into different atomic subshells; analyzed scenarios for nuclear excitation by electron capture (NEEC), isomer depletion. Multiconfiguration Dirac–Fock (MCDF) calculations implemented with the GRASP and GRASP2K packages.

doi: 10.5506/aphyspolb.50.651
Citations: PlumX Metrics


2018CH13      Nature(London) 554, 7691 (2018)

C.J.Chiara, J.J.Carroll, M.P.Carpenter, J.P.Greene, D.J.Hartley, R.V.F.Janssens, G.J.Lane, J.C.Marsh, D.A.Matters, M.Polasik, J.Rzadkiewicz, D.Seweryniak, S.Zhu, S.Bottoni, A.B.Hayes, S.A.Karamian

Isomer depletion as experimental evidence of nuclear excitation by electron capture

NUCLEAR REACTIONS 7Li(90Zr, 3np), E=840 MeV; measured Eγ, Iγ, γγγ-coin using Gammasphere array at ATLAS-ANL. 93Mo; deduced levels, first experimental evidence of process of nuclear excitation by electron capture (NEEC) through the isomer depletion of 2425-keV isomer and excitation of the 2430-keV intermediate level from the 2425-keV isomer, and observation of 2475-268-685-1478 γ cascade in coincidence.

NUCLEAR REACTIONS 90Zr(7Li, 3np), E(cm)=same as above for reverse kinematic reaction; measured Eγ, Iγ, γγ-coin at Australian National Laboratory. 93Mo; deduced levels, non-observation of 2475- and 268-keV γ rays in γγ coincidences in the normal kinematics reaction consistent with NEEC interpretation in the inverse kinematic reaction study at Argonne.

doi: 10.1038/nature25483
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2018SU14      Phys.Rev. C 98, 015804 (2018)

C.Sullivan, R.G.T.Zegers, S.Noji, SamM.Austin, J.Schmitt, N.Aoi, D.Bazin, M.Carpenter, J.J.Carroll, H.Fujita, U.Garg, G.Gey, C.J.Guess, T.H.Hoang, M.N.Harakeh, E.Hudson, N.Ichige, E.Ideguchi, A.Inoue, J.Isaak, C.Iwamoto, C.Kacir, T.Koike, N.Kobayashi, S.Lipschutz, M.Liu, P.von Neumann-Cosel, H.J.Ong, J.Pereira, M.Kumar Raju, A.Tamii, R.Titus, V.Werner, Y.Yamamoto, Y.D.Fang, J.C.Zamora, S.Zhu, X.Zhou

The (6Li, 6Li* [3.56 MeV]) reaction at 100 MeV/u as a probe of Gamow-Teller transition strengths in the inelastic scattering channel

NUCLEAR REACTIONS 12C(6Li, 6Li'), E=100 MeV/nucleon; measured Eγ, Iγ, 6Li scattered particles, (6Li)γ-coin, double differential σ(θ, Eex) using CAGRA detector array for γ detection, and Grand Raiden magnetic spectrometer for analysis of charged particles at RCNP-Osaka; deduced Doppler-corrected (6Li)γ-coin spectrum, Gamow-Teller strengths, and isovector spin-transfer response in inelastic reaction channel by tagging the reaction with the 3.56-MeV γ-ray from the excited state of 6Li. 24Mg, 93Nb(6Li, 6Li'), E=100 MeV/nucleon; reactions used for calibration, also it was not possible to isolate the isovector spin transfer excitations in the inelastic channel.

doi: 10.1103/PhysRevC.98.015804
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2637. Data from this article have been entered in the XUNDL database. For more information, click here.


2017MA39      Phys.Rev. C 96, 014318 (2017)

D.A.Matters, F.G.Kondev, N.Aoi, Y.Ayyad, A.P.Byrne, M.P.Carpenter, J.J.Carroll, C.J.Chiara, P.M.Davidson, G.D.Dracoulis, Y.D.Fang, C.R.Hoffman, R.O.Hughes, E.Ideguchi, R.V.F.Janssens, S.Kanaya, B.P.Kay, T.Kibedi, G.J.Lane, T.Lauritsen, J.W.McClory, P.Nieminen, S.Noji, A.Odahara, H.J.Ong, A.E.Stuchbery, D.T.Tran, H.Watanabe, A.N.Wilson, Y.Yamamoto, S.Zhu

In-beam γ-ray spectroscopy studies of medium-spin states in the odd-odd nucleus 186Re

NUCLEAR REACTIONS 186W(d, 2n)186Re, E=12.5, 14.5 MeV; measured Eγ, Iγ, γγ-coin using Clover Array Gamma-Ray spectrometer for Advanced research (CAGRA) at RCNP, Osaka University, and CAESAR spectrometer at the 14UD Pelletron accelerator of the Australian National University. 186Re; deduced high-spin levels, J, π, K-shell conversion coefficients, multipolarities, bands, configurations, branching ratios and gK-gR values. Comparison with multi-quasiparticle blocking calculations.

doi: 10.1103/PhysRevC.96.014318
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2017PO03      Phys.Rev. C 95, 034312 (2017)

M.Polasik, K.Slabkowska, J.J.Carroll, C.J.Chiara, L.Syrocki, E.Weder, J.Rzadkiewicz

Resonance conditions for 93mMo isomer depletion via nuclear excitation by electron capture in a beam-based scenario

NUCLEAR REACTIONS 4He(91Zr, xn)94Mo/93Mo/93mMo/92Mo, E<10 MeV/nucleon; calculated σ(E) using PACE4 code.

NUCLEAR STRUCTURE 93mMo; analyzed scenarios for nuclear excitation by electron capture (NEEC), NEEC resonance window width, isomer depletion. Discussed role of complex atomic processes for resonance conditions to be satisfied in an experimental observation of the NEEC process.

doi: 10.1103/PhysRevC.95.034312
Citations: PlumX Metrics


2016CR05      Phys.Lett. B 763, 108 (2016)

B.P.Crider, C.J.Prokop, S.N.Liddick, M.Al-Shudifat, A.D.Ayangeakaa, M.P.Carpenter, J.J.Carroll, J.Chen, C.J.Chiara, H.M.David, A.C.Dombos, S.Go, R.Grzywacz, J.Harker, R.V.F.Janssens, N.Larson, T.Lauritsen, R.Lewis, S.J.Quinn, F.Recchia, A.Spyrou, S.Suchyta, W.B.Walters, S.Zhu

Shape coexistence from lifetime and branching-ratio measurements in 68, 70Ni

RADIOACTIVITY 70Co, 68Fe, 68Co(β-) [from 9Be(76Ge, X)70Co/68Fe]; measured reaction products, Eγ, Iγ; deduced energy levels, J, π, T1/2, branching ratios, B(E2).

doi: 10.1016/j.physletb.2016.10.020
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2016FO21      Phys.Rev. C 94, 044608 (2016)

N.Fotiades, M.Devlin, R.O.Nelson, T.Kawano, J.J.Carroll

Feeding of Rh and Ag isomers in fast-neutron-induced reactions

NUCLEAR REACTIONS 103Rh, 109Ag(n, n'γ), (n, 2nγ), (n, 3nγ), E<90 MeV; measured Eγ, Iγ using GEANIE array for γ-ray detection and the broad-spectrum pulsed neutron source of the LANSCE-WNR facility. 101,102,103Rh, 107,108,109Ag; deduced levels, J, π, absolute γ-ray cross sections as function of incident neutron energy, sums of cross sections and compared with evaluated data in ENDF/B-VII.1, 103Rh, 109Ag(n, γ), (n, n'), (n, 2n), (n, 3n), (n, 4n), (n, 5n), (n, p), (n, np), (n, 2np), (n, 3np), (n, d), (n, nd), (n, 2nd), (n, 3nd), (n, α), (n, nα), (n, 2nα), (n, 3nα), (n, t), (n, nt), (n, 2nt), E=6-44 MeV; calculated production cross sections for various reaction channels using the code CoH3.

doi: 10.1103/PhysRevC.94.044608
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14461.


2016MA35      Phys.Rev. C 93, 054319 (2016)

D.A.Matters, A.G.Lerch, A.M.Hurst, L.Szentmiklosi, J.J.Carroll, B.Detwiler, Zs.Revay, J.W.McClory, S.R.McHale, R.B.Firestone, B.W.Sleaford, M.Krticka, T.Belgya

Investigation of 186Re via radiative thermal-neutron capture on 185Re

NUCLEAR REACTIONS 185Re(n, γ), E=thermal and cold neutrons; measured Eγ, Iγ, σ(γ) using Prompt Gamma Activation Analysis (PGAA) facility at the Budapest Research Reactor. 186Re; deduced levels, J, π, S(n), Γ0, photon strength functions, total radiative thermal-neutron capture cross section. Statistical model calculations and analysis using DICEBOX code. Comparison with previous experimental data.

doi: 10.1103/PhysRevC.93.054319
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset31769. Data from this article have been entered in the XUNDL database. For more information, click here.


2016SE01      J.Phys.(London) G43, 015103 (2016)

J.Sethi, R.Palit, J.J.Carroll, S.Karamian, S.Saha, S.Biswas, Z.Naik, T.Trivedi, M.S.Litz, P.Datta, S.Chattopadhyay, R.Donthi, U.Garg, S.Jadhav, H.C.Jain, S.Kumar, D.Mehta, B.S.Naidu, G.H.Bhat, J.A.Sheikh, S.Sihotra, P.M.Walker

Low-lying states near the Iπ = 6+ isomer in 108Ag

NUCLEAR REACTIONS 100Mo(11B, 3n), E=39 MeV; measured reaction products, Eγ, Iγ, γ-γ-coinc.; deduced σ(θ), σ, energy levels, J, π, γ-ray intensities. Comparison with projected Hartree-Fock calculations.

doi: 10.1088/0954-3899/43/1/015103
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2015AK02      Phys.Rev. C 91, 031301 (2015)

A.Akber, M.W.Reed, P.M.Walker, Yu.A.Litvinov, G.J.Lane, T.Kibedi, K.Blaum, F.Bosch, C.Brandau, J.J.Carroll, D.M.Cullen, I.J.Cullen, A.Y.Deo, B.Detwiler, C.Dimopoulou, G.D.Dracoulis, F.Farinon, H.Geissel, E.Haettner, M.Heil, R.S.Kempley, R.Knobel, C.Kozhuharov, J.Kurcewicz, N.Kuzminchuk, S.Litvinov, Z.Liu, R.Mao, C.Nociforo, F.Nolden, W.R.Plass, Zs.Podolyak, A.Prochazka, C.Scheidenberger, D.Shubina, M.Steck, Th.Stohlker, B.Sun, T.P.D.Swan, G.Trees, H.Weick, N.Winckler, M.Winkler, P.J.Woods, T.Yamaguchi

Increased isomeric lifetime of hydrogen-like 192mOs

RADIOACTIVITY 192mOs(IT)[from 9Be(197Au, X), E=478-492 MeV/nucleon]; measured half-life of the highly-charged stored ions using Schottky mass spectrometry in Experimental Storage Ring (ESR) of the isomeric state of 192Os at UNILAC and SIS-18 heavy-ion accelerators of GSI. Discussed increased half-life of the hydrogen-like ions of isomeric state as compared to that of the neutral ions.

doi: 10.1103/PhysRevC.91.031301
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2015KA43      Phys.Atomic Nuclei 78, 757 (2015)

S.A.Karamian, J.J.Carroll, N.V.Aksenov, Yu.A.Albin, A.G.Belov, G.A.Bozhikov, S.N.Dmitriev, G.Ya.Starodub

Production of isotopes and isomers with irradiation of Z = 47-50 targets by 23-MeV bremsstrahlung

NUCLEAR REACTIONS Ag, Sn(γ, X)106Ag/108Ag/113In/115In/117In/113Cd/123Sn, E<23 MeV; measured reaction products, Eγ, Iγ; deduced relative and partial yields of isomeric and ground states.

doi: 10.1134/S1063778815060113
Citations: PlumX Metrics


2015MA60      Phys.Rev. C 92, 054304 (2015)

D.A.Matters, N.Fotiades, J.J.Carroll, C.J.Chiara, J.W.McClory, T.Kawano, R.O.Nelson, M.Devlin

New transitions and feeding of the Jπ = (8+) isomer in 186Re

NUCLEAR REACTIONS 187Re(n, 2n), E=10-25 MeV; measured Eγ, Iγ, nγ-, γγ-coin, time-of-flight for neutrons, excitation functions using GEANIE array at LANL-Neutron Science Center Weapons Neutron Research facility. 186Re; deduced levels, J, π, improved energy of the long-lived (8+) isomer in 186Re. Comparison with previous experimental results, and with COH 3.4 and TALYS 1.6 calculations.

doi: 10.1103/PhysRevC.92.054304
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14438.


2015PR10      Phys.Rev. C 92, 061302 (2015)

C.J.Prokop, B.P.Crider, S.N.Liddick, A.D.Ayangeakaa, M.P.Carpenter, J.J.Carroll, J.Chen, C.J.Chiara, H.M.David, A.C.Dombos, S.Go, J.Harker, R.V.F.Janssens, N.Larson, T.Lauritsen, R.Lewis, S.J.Quinn, F.Recchia, D.Seweryniak, A.Spyrou, S.Suchyta, W.B.Walters, S.Zhu

New low-energy 0+ state and shape coexistence in 70Ni

RADIOACTIVITY 70,70mCo(β-)[from 9Be(76Ge, X), E=130 MeV/nucleon using A1900 fragment separator at NSCL-MSU]; measured Eγ, Iγ, βγγ-, γγ-coin, level half-life by βγ(t) using SeGA array and silicon PIN detectors. 70Ni; deduced levels, J, π, energy and half-life of excited (0+) state, configuration. Comparison with Monte Carlo shell-model calculations with A3DA interaction. 68Co, 69Ni, 70Zn; observed γ rays from decay of contaminants.

doi: 10.1103/PhysRevC.92.061302
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2015SE06      Acta Phys.Pol. B46, 703 (2015)

J.Sethi, R.Palit, J.J.Carroll, S.Karamian, S.Saha, S.Biswas, Z.Naik, T.Trivedi, M.S.Litz, P.Datta, S.Chattopadhyay, R.Donthi, U.Garg, S.Jadhav, H.C.Jain, S.Kumar, D.Mehta, B.S.Naidu, G.H.Bhat, J.A.Sheikh, S.Sihotra, P.M.Walker

Spectroscopy of the Low-lying States Near the High Spin Isomer in 108Ag

NUCLEAR REACTIONS 100Mo(11B, 3n), E=39 MeV; measured reaction products, Eγ, Iγ; deduced energy levels, J, π, γ-ray intensities, branching ratios.

doi: 10.5506/APhysPolB.46.703
Citations: PlumX Metrics


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
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2013CH12      Phys.Rev.Lett. 110, 122502 (2013)

L.Chen, P.M.Walker, H.Geissel, Yu.A.Litvinov, K.Beckert, P.Beller, F.Bosch, D.Boutin, L.Caceres, J.J.Carroll, D.M.Cullen, I.J.Cullen, B.Franzke, J.Gerl, M.Gorska, G.A.Jones, A.Kishada, R.Knobel, C.Kozhuharov, J.Kurcewicz, S.A.Litvinov, Z.Liu, S.Mandal, F.Montes, G.Munzenberg, F.Nolden, T.Ohtsubo, Z.Patyk, W.R.Plass, Zs.Podolyak, S.Rigby, N.Saito, T.Saito, C.Scheidenberger, E.C.Simpson, M.Shindo, M.Steck, B.Sun, S.J.Williams, H.Weick, M.Winkler, H.-J.Wollersheim, T.Yamaguchi

Direct Observation of Long-Lived Isomers in 212Bi

NUCLEAR REACTIONS Be(238U, X)212Bi, E=670 MeV/nucleon; measured revolution frequency; deduced isomeric states excitation energies, level scheme, T1/2. Comparison with shell model calculations.

doi: 10.1103/PhysRevLett.110.122502
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


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
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2013SE12      Phys.Lett. B 725, 85 (2013)

J.Sethi, R.Palit, S.Saha, T.Trivedi, G.H.Bhat, J.A.Sheikh, P.Datta, J.J.Carroll, S.Chattopadhyay, R.Donthi, U.Garg, S.Jadhav, H.C.Jain, S.Karamian, S.Kumar, M.S.Litz, D.Mehta, B.S.Naidu, Z.Naik, S.Sihotra, P.M.Walker

Structure of nearly degenerate dipole bands in 108Ag

NUCLEAR REACTIONS 100Mo(11B, 3n), E=39 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced level energies, J, π, B(M1), B(M1)/B(E2), high spin negative parity states. Comparison with microscopic triaxial projected shell model approach calculations.

doi: 10.1016/j.physletb.2013.06.054
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2013SH30      Phys.Rev. C 88, 024310 (2013)

D.Shubina, R.B.Cakirli, Yu.A.Litvinov, K.Blaum, C.Brandau, F.Bosch, J.J.Carroll, R.F.Casten, D.M.Cullen, I.J.Cullen, A.Y.Deo, B.Detwiler, C.Dimopoulou, F.Farinon, H.Geissel, E.Haettner, M.Heil, R.S.Kempley, C.Kozhuharov, R.Knobel, J.Kurcewicz, N.Kuzminchuk, S.A.Litvinov, Z.Liu, R.Mao, C.Nociforo, F.Nolden, Z.Patyk, W.R.Plass, A.Prochazka, M.W.Reed, M.S.Sanjari, C.Scheidenberger, M.Steck, Th.Stohlker, B.Sun, T.P.D.Swan, G.Trees, P.M.Walker, H.Weick, N.Winckler, M.Winkler, P.J.Woods, T.Yamaguchi, C.Zhou

Schottky mass measurements of heavy neutron-rich nuclides in the element range 70≤Z≤79 at the GSI Experimental Storage Ring

ATOMIC MASSES 181,183Lu, 185,186Hf, 187,188Ta, 189,190,191W, 192,193Re, 195Os; measured masses by Schottky mass spectrometry (SMS) technique using FRS-ESR facility at GSI. 181Hf, 181,182,183,185Ta, 184,186,187W, 189,191Re, 188,190,192,193Os, 191Ir, 194,196Pt, 196Au; measured Schottky frequency spectra for calibration purpose; deduced mass excesses, and compared with AME-2003. 179Lu, 182,182mHf, 184Ta, 186,187,188,190m,192mRe, 189,190m,191,194Os, 190,192,193,194,195Ir, 191Pt; measured Schottky frequency spectra. Bare, H- or He-like isotopes produced in 9Be(197Au, X) reaction using E(197Au)=469.35 MeV/nucleon beam from UNILAC and SIS-18 accelerators at GSI. Investigated correlations between S(2n) and energies of first 2+ states in even-even N=84-124, Z=62-78 isotopes; deduced collectivity. Systematics of S(2n) values for even N=100-124, odd Z=67-77.

doi: 10.1103/PhysRevC.88.024310
Citations: PlumX Metrics


2012CH19      Nucl.Phys. A882, 71 (2012)

L.Chen, W.R.Plass, H.Geissel, R.Knobel, C.Kozhuharov, Yu.A.Litvinov, Z.Patyk, C.Scheidenberger, K.Siegien-Iwaniuk, B.Sun, H.Weick, K.Beckert, P.Beller, F.Bosch, D.Boutin, L.Caceres, J.J.Carroll, D.M.Cullen, I.J.Cullen, B.Franzke, J.Gerl, M.Gorska, G.A.Jones, A.Kishada, J.Kurcewicz, S.A.Litvinov, Z.Liu, S.Mandal, F.Montes, G.Munzenberg, F.Nolden, T.Ohtsubo, Zs.Podolyak, R.Propri, S.Rigby, N.Saito, T.Saito, M.Shindo, M.Steck, P.M.Walker, S.Williams, M.Winkler, H.-J.Wollersheim, T.Yamaguchi

New results on mass measurements of stored neutron-rich nuclides in the element range from Pt to U with the FRS-ESR facility at 360-400 MeV/u

NUCLEAR REACTIONS 9Be(238U, F), E=670 MeV/nucleon; measured reaction fragments using fragment separator, fragment mass using SMS (Schottky Mass Spectrometry); calculated mass excess;deduced neutron-rich exotic fragments mass using FFT of Schottky frequency spectra, mass excess systematic deviations from modern mass models. Compared with AME03 tables.

ATOMIC MASSES 128Sn, 133Sb, 136Te, 144La, 146Ce, 202Au, 207Hg, 220At, 224,225,226,227,229Fr, 229,230,231,232Ac, 235Th, 235,236,237,238Pa, 202Pt, 213Tl, 217,218Bi, 219,220,221,222Po, 221,222,223,224At, 223,224,225,226,227,228Rn, 228,230,231Fr, 231,232,233,234Ra, 233,234,235,236Ac, 236,237Th; measured revolution frequency spectra; deduced mass excess and their uncertainties, systematic deviations of up to 1500 keV from modern mass models. Comparison with available data.

doi: 10.1016/j.nuclphysa.2012.03.002
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2012KA38      Phys.Atomic Nuclei 75, 1362 (2012)

S.A.Karamian, J.J.Carroll

Calculated yield of isomer depletion due to NEEC for 93mMo recoils

NUCLEAR REACTIONS 4He(91Zr, 2n), E=6 MeV/nucleon; calculated yield of isomer depletion. Comparison with available data.

doi: 10.1134/S1063778812110117
Citations: PlumX Metrics


2012RE19      Phys.Rev. C 86, 054321 (2012)

M.W.Reed, P.M.Walker, I.J.Cullen, Yu.A.Litvinov, D.Shubina, G.D.Dracoulis, K.Blaum, F.Bosch, C.Brandau, J.J.Carroll, D.M.Cullen, A.Y.Deo, B.Detwiler, C.Dimopoulou, G.X.Dong, F.Farinon, H.Geissel, E.Haettner, M.Heil, R.S.Kempley, R.Knobel, C.Kozhuharov, J.Kurcewicz, N.Kuzminchuk, S.Litvinov, Z.Liu, R.Mao, C.Nociforo, F.Nolden, W.R.Plass, Zs.Podolyak, A.Prochazka, C.Scheidenberger, M.Steck, Th.Stohlker, B.Sun, T.P.D.Swan, G.Trees, H.Weick, N.Winckler, M.Winkler, P.J.Woods, F.R.Xu, T.Yamaguchi

Long-lived isomers in neutron-rich Z=72-76 nuclides

NUCLEAR REACTIONS Be(197Au, X)183Hf/184Hf/186Hf/186Ta/187Ta, 186W/190W/190Re/192Re/194Re/194Ir/194Os/195Os/196Pt, E=478-492 MeV/nucleon; measured Schottky mass and frequency spectra, ion revolution frequencies, survival curves of ions, isomer energies and half-lives of highly charged (helium-like, hydrogen-like, and bare) ions, γ spectra. FRS and ESR at UNILAC-SIS accelerator facility in GSI. 183,184,186Hf, 186,187Ta, 186W, 190,192,194Re, 195Os; deduced levels, isomers, J, π, configuration, decay modes. Comparison with potential energy surface, and multi-quasiparticle (MQP) calculations. 186Ta, 192Re; calculated 2qp levels. Systematics of theoretical and experimental 2qp 8- isomers and 4qp levels in 170,172,174,176,178,180,182,184,186,188,190Hf.

doi: 10.1103/PhysRevC.86.054321
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2012RE22      J.Phys.:Conf.Ser. 381, 012058 (2012)

M.W.Reed, P.M.Walker, I.J.Cullen, Yu.A.Litvinov, K.Blaum, F.Bosch, C.Brandau, J.J.Carroll, D.M.Cullen, A.Y.Deo, B.Detwiler, C.Dimopoulou, G.D.Dracoulis, F.Farinon, H.Geissel, E.Haettner, M.Heil, R.S.Kempley, R.Knobel, C.Kozhuharov, J.Kurcewicz, N.Kuzminchuk, S.Litvinov, Z.Liu, R.Mao, C.Nociforo, F.Nolden, W.R.Plass, A.Prochazka, C.Scheidenberger, D.Shubina, M.Steck, Th.Stohlker, B.Sun, T.P.D.Swan, G.Trees, H.Weick, N.Winckler, M.Winkler, P.J.Woods, T.Yamaguchi

Technique for Resolving Low-lying Isomers in the Experimental Storage Ring (ESR) and the Occurrence of an Isomeric State in 192Re

doi: 10.1088/1742-6596/381/1/012058
Citations: PlumX Metrics


2011HA15      Int.J.Mod.Phys. E20, 474 (2011)

A.B.Hayes, D.Cline, C.Y.Wu, A.M.Hurst, M.P.Carpenter, J.P.Greene, R.V.F.Janssens, T.Lauritsen, D.Seweryniak, S.Zhu, S.A.Karamian, P.M.Walker, T.P.D.Swan, S.V.Rigby, D.M.Cullen, N.M.Lumley, P.Mason, J.J.Carroll, B.Detwiler, T.Harle, I.Mills, G.Trees

New structures in 178Hf and Coulomb excitation of isomers

NUCLEAR REACTIONS 208Pb(178Hf, 178Hf'), E=985 MeV; measured Eγ, Iγ, particle-γ-coin.; deduced energy levels, J, π, isomer bands, rotational sequence feeding.

doi: 10.1142/S0218301311017879
Citations: PlumX Metrics


2011KA06      Phys.Rev. C 83, 024604 (2011)

S.A.Karamian, J.J.Carroll

Cross section for inelastic neutron "acceleration" by 178Hfm2

NUCLEAR REACTIONS 178Hf(n, n'), (n, γ), E=thermal; analyzed inelastic neutron acceleration (INNA) cross section for 178m2Hf target, σ(isomer)/σ(g.s.), statistical estimates for the probability of different reaction channels. 178Hf; deduced levels which are candidates for INNA with 178m2Hf isomer as target. 179Hf; deduced level population from parent levels in 178Hf. Comparison with theoretically predicted cross section for INNA.

doi: 10.1103/PhysRevC.83.024604
Citations: PlumX Metrics


2011KA19      Nucl.Instrum.Methods Phys.Res. A646, 87 (2011)

S.A.Karamian, J.J.Carroll, N.V.Aksenov, Y.A.Albin, G.A.Bozhikov, S.N.Dmitriev, G.Y.Starodub, G.K.Vostokin

Production of isomers in compound and transfer reactions with 4He ions

NUCLEAR REACTIONS 176Yb, Lu(α, xn), (α, X)175Yb/171Lu/172Lu/173Lu/174Lu/177Lu/171Hf/172Hf/173Hf/175Hf/178Hf/179Hf/175Ta/176Ta/177Ta, E=35 MeV; measured Eγ, Iγ; deduced yields, σ, isomer to ground state ratios. Comparison with Fermi-gas model within the formalism of Jackson-Sikkeland calculations.

doi: 10.1016/j.nima.2011.03.010
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0882.


2010CH19      Phys.Lett. B 691, 234 (2010)

L.Chen, W.R.Plass, H.Geissel, R.Knobel, C.Kozhuharov, Yu.A.Litvinov, Z.Patyk, C.Scheidenberger, K.Siegien-Iwaniuk, B.Sun, H.Weick, K.Beckert, P.Beller, F.Bosch, D.Boutin, L.Caceres, J.J.Carroll, D.M.Cullen, I.J.Cullen, B.Franzke, J.Gerl, M.Gorska, G.A.Jones, A.Kishada, J.Kurcewicz, S.A.Litvinov, Z.Liu, S.Mandal, F.Montes, G.Munzenberg, F.Nolden, T.Ohtsubo, Zs.Podolyak, R.Propri, S.Rigby, N.Saito, T.Saito, M.Shindo, M.Steck, P.Ugorowski, P.M.Walker, S.Williams, M.Winkler, H.-J.Wollersheim, T.Yamaguchi

Discovery and investigation of heavy neutron-rich isotopes with time-resolved Schottky spectrometry in the element range from thallium to actinium

NUCLEAR REACTIONS Be(238U, X)236Ac/224At/222Po/221Po/213Tl, E=670 MeV/nucleon; measured revolution frequency of the cooled fragments; deduced T1/2. Comparison with theoretical models, Darmstadt storage-cooler ring ESR.

ATOMIC MASSES 236Ac, 224At, 222Po, 221Po, 213Tl; measured revolution frequency of the cooled fragments; deduced atomic masses.

doi: 10.1016/j.physletb.2010.05.078
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2010HA24      Phys.Rev. C 82, 044319 (2010)

A.B.Hayes, D.Cline, K.J.Moody, I.Ragnarsson, C.Y.Wu, J.A.Becker, M.P.Carpenter, J.J.Carroll, D.Gohlke, J.P.Greene, A.A.Hecht, R.V.F.Janssens, S.A.Karamian, T.Lauritsen, C.J.Lister, R.A.Macri, R.Propri, D.Seweryniak, X.Wang, R.Wheeler, S.Zhu

Coulomb excitation of a 242Am isomeric target: E2 and E3 strengths, rotational alignment, and collective enhancement

NUCLEAR REACTIONS 242mAm(40Ar, 40Ar'), E=170.5 MeV; measured Eγ, Iγ, (particle)γ-, γγ-coin using Gammasphere array. 242Am; deduced levels, J, π, rotational bands, Nilsson configurations, band parameters, alignments, B(E1), B(E2) and B(E3) strengths. Coulomb excitation. Comparison of alignment of the observed bands in 242Am with single-particle alignments in 241Am and with particle-rotor model calculations.

doi: 10.1103/PhysRevC.82.044319
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2010RE07      Phys.Rev.Lett. 105, 172501 (2010)

M.W.Reed, I.J.Cullen, P.M.Walker, Yu.A.Litvinov, K.Blaum, F.Bosch, C.Brandau, J.J.Carroll, D.M.Cullen, A.Y.Deo, B.Detwiller, C.Dimopoulou, G.D.Dracoulis, F.Farinon, H.Geissel, E.Haettner, M.Heil, R.S.Kempley, R.Knobel, C.Kozhuharov, J.Kurcewicz, N.Kuzminchuk, S.Litvinov, Z.Liu, R.Mao, C.Nociforo, F.Nolden, W.R.Plass, A.Prochazka, C.Scheidenberger, M.Steck, Th.Stohlker, B.Sun, T.P.D.Swan, G.Trees, H.Weick, N.Winckler, M.Winkler, P.J.Woods, T.Yamaguchi

Discovery of Highly Excited Long-Lived Isomers in Neutron-Rich Hafnium and Tantalum Isotopes through Direct Mass Measurements

NUCLEAR REACTIONS 9Be(197Au, X)183Hf/184Hf/186Hf/186Ta/187Ta, E=478-492 MeV/nucleon; measured Schottky frequency spectra of ions stored in an ESR storage ring; deduced T1/2, J, π, isomer region near N=116.

doi: 10.1103/PhysRevLett.105.172501
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2009CA20      Phys.Lett. B 679, 203 (2009)

J.J.Carroll, S.A.Karamian, R.Propri, D.Gohlke, N.Caldwell, P.Ugorowski, T.Drummond, J.Lazich, H.Roberts, M.Helba, Z.Zhong, M.-T.Tang, J.-J.Lee, K.Liang

Search for low-energy induced depletion of 178Hfm2 at the SPring-8 synchrotron

NUCLEAR REACTIONS 172,178Hf(γ, γ'), E=9.5352-9.5851 keV; measured Eγ, Iγ, γγ-coin; deduced integral σ and that induced depletion of 2nd metastable state not seen.

doi: 10.1016/j.physletb.2009.07.025
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2009CH08      Phys.Rev.Lett. 102, 122503 (2009)

L.Chen, Yu.A.Litvinov, W.R.Plass, K.Beckert, P.Beller, F.Bosch, D.Boutin, L.Caceres, R.B.Cakirli, J.J.Carroll, R.F.Casten, R.S.Chakrawarthy, D.M.Cullen, I.J.Cullen, B.Franzke, H.Geissel, J.Gerl, M.Gorska, G.A.Jones, A.Kishada, R.Knobel, C.Kozhuharov, S.A.Litvinov, Z.Liu, S.Mandal, F.Montes, G.Munzenberg, F.Nolden, T.Ohtsubo, Z.Patyk, Zs.Podolyak, R.Propri, S.Rigby, N.Saito, T.Saito, C.Scheidenberger, M.Shindo, M.Steck, P.Ugorowski, P.M.Walker, S.Williams, H.Weick, M.Winkler, H.-J.Wollersheim, T.Yamaguchi

Schottky Mass Measurement of the 208Hg Isotope: Implication for the Proton-Neutron Interaction Strength around Doubly Magic 208Pb

ATOMIC MASSES 208Hg; measured atomic mass using time resolved Schottky mass spectrometry.

doi: 10.1103/PhysRevLett.102.122503
Citations: PlumX Metrics


2008JO03      Phys.Rev. C 77, 034311 (2008)

G.A.Jones, S.J.Williams, P.M.Walker, Zs.Podolyak, S.Zhu, M.P.Carpenter, J.J.Carroll, R.S.Chakrawarthy, P.Chowdhury, I.J.Cullen, G.D.Dracoulis, A.B.Garnsworthy, G.Hackman, R.V.F.Janssens, T.L.Khoo, F.G.Kondev, G.J.Lane, Z.Liu, D.Seweryniak, N.J.Thompson

High-spin, multiparticle isomers in 121, 123Sb

NUCLEAR REACTIONS 27Al(178Hf, X)121Sb/123Sb, E=1150 MeV; measured Eγ, Iγ, half-lives of isomers, internal conversion coefficients; deduced multipolarities, mixing ratios, γγ(θ). 121,123Sb; deduced levels, J, π. 120,122Sn, 117,119,125,126,127,128,129,130,131Sb; systematics.

doi: 10.1103/PhysRevC.77.034311
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2007CA27      Nucl.Instrum.Methods Phys.Res. B261, 960 (2007)

J.J.Carroll

Nuclear structure and the search for induced energy release from isomers

NUCLEAR STRUCTURE 242Am, 180Ta, 178Hf, 177Lu; evaluated isomeric transition data for induced energy release.

doi: 10.1016/j.nimb.2007.01.128
Citations: PlumX Metrics


2007JO13      Phys.Rev. C 76, 047303 (2007)

G.A.Jones, P.H.Regan, P.M.Walker, Zs.Podolyak, P.D.Stevenson, M.P.Carpenter, J.J.Carroll, R.S.Chakrawarthy, P.Chowdhury, A.B.Garnsworthy, R.V.F.Janssens, T.L.Khoo, F.G.Kondev, G.J.Lane, Z.Liu, D.Seweryniak, N.J.Thompson, S.Zhu, S.J.Williams

Identification of a high-spin isomer in 99Mo

NUCLEAR REACTIONS 27Al(178Hf, X), E=1150 MeV; measured Eγ, Iγ, γγ-coin. 99Mo deduced levels, J, π, half-life, isomer, band structure.

doi: 10.1103/PhysRevC.76.047303
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2007KA27      Phys.Rev. C 75, 057301 (2007)

S.A.Karamian, J.J.Carroll, S.Iliev, S.P.Tretyakova

Weak K hindrance manifested in α decay of the 178Hfm2 isomer

RADIOACTIVITY 178Hf(α); measured partial half lives and hindrance factors.

doi: 10.1103/PhysRevC.75.057301
Citations: PlumX Metrics


2007WA08      Phys.Rev. C 75, 034301 (2007)

S.Walter, F.Stedile, J.J.Carroll, C.Fransen, G.Friessner, N.Hollmann, H.von Garrel, J.Jolie, O.Karg, F.Kappeler, U.Kneissl, C.Kohstall, P.von Neumann-Cosel, A.Linnemann, D.Mucher, N.Pietralla, H.H.Pitz, G.Rusev, M.Scheck, C.Scholl, R.Schwengner, V.Werner, K.Wisshak

Photon scattering experiments on the quasistable, odd-odd mass nucleus 176Lu

NUCLEAR REACTIONS 176Lu(γ, γ'), E=2.3, 3.1 MeV bremsstrahlung; measured Eγ, Iγ. 176Lu deduced transitions, B(M1), B(E1), strength distribution.

doi: 10.1103/PhysRevC.75.034301
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetG0056. Data from this article have been entered in the XUNDL database. For more information, click here.


2006CH10      Phys.Rev. C 73, 024306 (2006)

R.S.Chakrawarthy, P.M.Walker, J.J.Ressler, E.F.Zganjar, G.C.Ball, M.B.Smith, A.N.Andreyev, S.F.Ashley, R.A.E.Austin, D.Bandyopadhyay, J.A.Becker, J.J.Carroll, D.S.Cross, D.Gohlke, J.J.Daoud, P.E.Garrett, G.F.Grinyer, G.Hackman, G.A.Jones, R.Kanungo, W.D.Kulp, Y.Litvinov, A.C.Morton, W.J.Mills, C.J.Pearson, R.Propri, C.E.Svensson, R.Wheeler, S.J.Williams

Kπ = 0+ 2.29 s isomer in neutron-rich 174Tm

RADIOACTIVITY 174Tm(IT) [from Ta(p, X)]; measured Eγ, Iγ, E(ce), I(ce), γγ-, (ce)γ-, (ce)(ce)-coin, T1/2. 174Tm deduced levels, J, π, configurations, ICC, B(E3).

doi: 10.1103/PhysRevC.73.024306
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2006UG01      Nucl.Instrum.Methods Phys.Res. A565, 657 (2006)

P.Ugorowski, R.Propri, S.A.Karamian, D.Gohlke, J.Lazich, N.Caldwell, R.S.Chakrawarthy, M.Helba, H.Roberts, J.J.Carroll

Design and characterization of a compact multi-detector array for studies of induced gamma emission: Spontaneous decay of 178m2Hf as a test case

RADIOACTIVITY 178mHf(IT); measured Eγ, Iγ, multiplicities.

doi: 10.1016/j.nima.2006.05.209
Citations: PlumX Metrics


2005WA38      Phys. Today 58, 39 (2005)

P.M.Walker, J.J.Carroll

Ups and downs of nuclear isomers

doi: 10.1063/1.1996473
Citations: PlumX Metrics


2004CA22      Laser Phys.Lett. 1, 275 (2004)

J.J.Carroll

An experimental perspective on triggered gamma emission from nuclear isomers

NUCLEAR STRUCTURE 178Hf, 180Ta, 242Am; analyzed levels, isomeric states features, triggered γ-emission.

doi: 10.1002/lapl.200310065
Citations: PlumX Metrics


2004KA51      Nucl.Instrum.Methods Phys.Res. A530, 463 (2004)

S.A.Karamian, J.J.Carroll, J.Adam, N.A.Demekhina

Production of the 178m2Hf isomer using a 4.5-GeV electron accelerator

NUCLEAR REACTIONS Ta(γ, X)178mHf/172Hf/150Eu/133Ba, E=4.5 GeV bremsstrahlung; measured production σ.

doi: 10.1016/j.nima.2004.04.224
Citations: PlumX Metrics


2004SM10      Nucl.Phys. A746, 617c (2004)

M.B.Smith, P.M.Walker, R.S.Chakrawarthy, R.A.E.Austin, G.C.Ball, J.J.Carroll, E.Cunningham, P.Finlay, P.E.Garrett, G.F.Grinyer, G.Hackman, B.Hyland, K.Koopmans, W.D.Kulp, J.R.Leslie, A.A.Phillips, R.Propri, P.H.Regan, F.Sarazin, M.A.Schumaker, H.C.Scraggs, T.Shizuma, C.E.Svensson, J.von Schwarzenberg, J.C.Waddington, D.Ward, J.L.Wood, B.Washbrook, E.F.Zganjar

Studies of high-K isomers at TRIUMF-ISAC

RADIOACTIVITY 178Hf, 178,179Lu(IT) [from Ta(p, X)]; measured Eγ, Iγ, γγ-coin following high-spin isomer decay.

doi: 10.1016/j.nuclphysa.2004.09.101
Citations: PlumX Metrics


2003SC15      Phys.Rev. C 67, 064313 (2003)

M.Scheck, D.Belic, P.von Brentano, J.J.Carroll, C.Fransen, A.Gade, H.von Garrel, U.Kneissl, C.Kohstall, A.Linnemann, N.Pietralla, H.H.Pitz, F.Stedile, R.Toman, V.Werner

Photon scattering experiments off 176Hf and the systematics of low-lying dipole modes in the stable even-even Hf isotopes 176, 178, 180Hf

NUCLEAR REACTIONS 176Hf(γ, γ'), E=2.4, 4.1 MeV bremsstrahlung; measured Eγ, Iγ. 176Hf deduced levels, J, π, excitation B(M1), B(E1).

NUCLEAR STRUCTURE 176,178,180Hf; analyzed dipole strength distributions.

doi: 10.1103/PhysRevC.67.064313
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0777. Data from this article have been entered in the XUNDL database. For more information, click here.


2003SM05      Phys.Rev. C 68, 031302 (2003)

M.B.Smith, P.M.Walker, G.C.Ball, J.J.Carroll, P.E.Garrett, G.Hackman, R.Propri, F.Sarazin, H.C.Scraggs

γ rays emitted in the decay of 31-yr 178Hfm2

RADIOACTIVITY 178mHf(IT) [from Ta(p, X)]; measured Eγ, Iγ, γγ-coin; deduced hindrance factors. 178Hf deduced levels, J, π, rotational band features.

doi: 10.1103/PhysRevC.68.031302
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2002AG12      Hyperfine Interactions 143, 7 (2002)

F.J.Agee, J.J.Carroll, L.A.Rivlin, V.Vuletic

Proposal for Observation of a Hidden Nuclear Population Inversion

doi: 10.1023/A:1024021331444
Citations: PlumX Metrics


2002BE18      Phys.Rev. C65, 035801 (2002)

D.Belic, C.Arlandini, J.Besserer, J.de Boer, J.J.Carroll, J.Enders, T.Hartmann, F.Kappeler, H.Kaiser, U.Kneissl, E.Kolbe, K.Langanke, M.Loewe, H.J.Maier, H.Maser, P.Mohr, P.von Neumann-Cosel, A.Nord, H.H.Pitz, A.Richter, M.Schumann, F.-K.Thielemann, S.Volz, A.Zilges

Photo-Induced Depopulation of the 180Tam Isomer via Low-Lying Intermediate States: Structure and astrophysical implications

NUCLEAR REACTIONS 180mTa(γ, γ'), E=0.8-3.1 MeV bremsstrahlung; measured delayed Eγ, Iγ, X-ray spectra; deduced activation yields. 180Ta deduced intermediate states energies, transition strengths. Astrophysical implications discussed. Comparisons with previous results, model predictions.

RADIOACTIVITY 180Ta(EC), (β-); measured T1/2.

doi: 10.1103/PhysRevC.65.035801
Citations: PlumX Metrics


2002CA55      Hyperfine Interactions 143, 37 (2002)

J.J.Carroll, J.Burnett, T.Drummond, J.Lepak, R.Propri D.Smith, S.A.Karamian, J.Adam, F.Stedile, F.J.Agee

Initial Search for Triggered Gamma Emission from 178Hfm2 Using the YSU Miniball Array

NUCLEAR REACTIONS 178mHf(γ, γ'), E=100 keV bremsstrahlung; measured Eγ, Iγ, γγ-coin; deduced upper limit for triggered emission rate.

doi: 10.1023/A:1024033601402
Citations: PlumX Metrics


2002FA19      Hyperfine Interactions 143, 55 (2002)

J.P.Farrell, V.Dudnikov, J.J.Carroll, G.Merkel

Beam-Based Production of 178m2Hf

NUCLEAR REACTIONS 176Yb(9Be, 3nα), (9Be, 5n), E=65 MeV; measured Eγ, Iγ; deduced isomer production σ upper limit.

doi: 10.1023/A:1024085618240
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0953.


2002KA74      Hyperfine Interactions 143, 69 (2002)

S.A.Karamian, J.J.Carroll

Possibility of Combining Nuclear Level Pumping in a Plasma with Lasing in a Solid

NUCLEAR STRUCTURE 98Tc, 103Ru, 161Dy, 181Ta, 189Os, 197Au, 235U, 242mAm; analyzed possible resonance between atomic and nuclear levels, photoexcitation and nuclear excitation by electron transition mechanisms.

ATOMIC PHYSICS 98Tc, 103Ru, 161Dy, 181Ta, 189Os, 197Au, 235U, 242mAm; analyzed possible resonance between atomic and nuclear levels, photoexcitation and nuclear excitation by electron transition mechanisms.

doi: 10.1023/A:1024069214606
Citations: PlumX Metrics


2002RO45      Hyperfine Interactions 143, 111 (2002)

H.E.Roberts, M.Helba, J.J.Carroll, J.Burnett, T.Drummond, J.Lepak, R.Propri, Z.Zhong, F.J.Agee

Gamma Spectroscopy of Hf-178m2 Using Synchrotron X-Rays

NUCLEAR REACTIONS 178mHf(X-ray, γ), E=9.5-13.5 keV; measured Eγ, Iγ; deduced no induced isomer decay.

doi: 10.1023/A:1024073315514
Citations: PlumX Metrics


2002ZA15      Hyperfine Interactions 143, 153 (2002)

A.A.Zadernovsky, J.J.Carroll

Non-Radiative Triggering of Long-Lived Nuclear Isomers

NUCLEAR REACTIONS 174m,177mLu, 178m,179mHf, 242mAm(p, p'), E=1, 10 MeV; calculated σ for Coulomb triggering of isomer. 101mRh, 150mEu, 160mHo, 190mIr, 242mAm(e, X), (X-ray, X), E=low; calculated σ for nuclear excitation by electron transition or electron capture.

doi: 10.1023/A:1024063610971
Citations: PlumX Metrics


2001CA61      Hyperfine Interactions 135, 3 (2001)

J.J.Carroll, S.A.Karamian, L.A.Rivlin, A.A.Zadernovsky

X-Ray-Driven Gamma Emission

doi: 10.1023/A:1013967219408
Citations: PlumX Metrics


2001VO13      Nucl.Phys. A688, 237c (2001)

P.von Neumann-Cosel, C.Arlandini, D.Belic, J.Besserer, J.de Boer, J.J.Carroll, J.Enders, T.Hartmann, F.Kappeler, H.Kaiser, U.Kneissl, M.Loewe, H.J.Maier, H.Maser, P.Mohr, A.Nord, H.H.Pitz, A.Richter, M.Schumann, S.Volz, A.Zilges

Photoactivation of 180mTa and s-Process Nucleosynthesis of Nature's Rarest Naturally Occuring Isotope

NUCLEAR REACTIONS 180Ta(γ, γ'), E=0.8-3.1 MeV; measured Eγ, σ; deduced 180Ta effective half-life under s-process conditions.

doi: 10.1016/S0375-9474(01)00706-0
Citations: PlumX Metrics


2001WA45      Phys.Rev. C64, 061302 (2001)

P.M.Walker, G.D.Dracoulis, J.J.Carroll

Interpretation of the Excitation and Decay of 180Tam Through a Kπ = 5+ Band

NUCLEAR STRUCTURE 180Ta; analyzed levels, γ spectra; calculated level widths; deduced intermediate states in excitation and decay of low-lying isomer.

doi: 10.1103/PhysRevC.64.061302
Citations: PlumX Metrics


2000KA32      Phys.Rev. C62, 024601 (2000)

S.A.Karamian, J.Adam, A.G.Belov, J.J.Carroll, Yu.V.Norseev, V.I.Stegailov, P.Chaloun

Light-Mass Yields and Fine Structure of Mass Distributions in 232Th Photofission

NUCLEAR REACTIONS 232Th(γ, F), E=7.5, 12.0, 24.0 MeV bremsstralung; measured fission fragment mass distributions; 232Th(γ, F)24Na/28Mg, E=16.5, 24.0 MeV bremsstrahlung; measured yields; deduced fission mechanism features.

doi: 10.1103/PhysRevC.62.024601
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0620.


1999BE65      Phys.Rev.Lett. 83, 5242 (1999)

D.Belic, C.Arlandini, J.Besserer, J.de Boer, J.J.Carroll, J.Enders, T.Hartmann, F.Kappeler, H.Kaiser, U.Kneissl, M.Loewe, H.J.Maier, H.Maser, P.Mohr, P.von Neumann-Cosel, A.Nord, H.H.Pitz, A.Richter, M.Schumann, S.Volz, A.Zilges

Photoactivation of 180Tam and Its Implications for the Nucleosynthesis of Nature's Rarest Naturally Occurring Isotope

NUCLEAR REACTIONS Ta, 180mTa(γ, γ'), E=0.8-3.1 MeV bremsstrahlung; measured ground-state production yield. Implications for s-process nucleosynthesis discussed. Enriched and natural targets.

doi: 10.1103/PhysRevLett.83.5242
Citations: PlumX Metrics


1999CO05      Phys.Rev.Lett. 82, 695 (1999); Comments Phys.Rev.Lett. 84, 2541 (2000)

C.B.Collins, F.Davanloo, M.C.Iosif, R.Dussart, J.M.Hicks, S.A.Karamian, C.A.Ur, I.I.Popescu, V.I.Kirischuk, J.J.Carroll, H.E.Roberts, P.McDaniel, C.E.Crist

Accelerated Emission of Gamma Rays from the 31-yr Isomer of 178Hf Induced by X-Ray Irradiation

NUCLEAR REACTIONS 178mHf(X-ray, γ), E=70, 90 keV bremsstralung; measured Eγ, Iγ(t); deduced accelerated decay, resonant x-ray absorption σ.

RADIOACTIVITY 178mHf(IT); measured Eγ, Iγ(t) with and without x-ray irradiation; deduced accelerated decay, resonant x-ray absorption σ.

doi: 10.1103/PhysRevLett.82.695
Citations: PlumX Metrics


1999KA03      Phys.Rev. C59, 755 (1999)

S.A.Karamian, C.B.Collins, J.J.Carroll, J.Adam, A.G.Belov, V.I.Stegailov

Fast Neutron Induced Depopulation of the 180Tam Isomer

NUCLEAR REACTIONS 180mTa(n, n'), E ≈ 5.6 MeV; measured ground-state yield; deduced isomer depopulation probability. 180Ta deduced K-mixing at moderate excitation energy. Activation technique.

doi: 10.1103/PhysRevC.59.755
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset41381.


1998KA14      Phys.Rev. C57, 1812 (1998)

S.A.Karamian, C.B.Collins, J.J.Carroll, J.Adam

Isomeric to Ground State Ratio in the 180mTa(γ, γ')180m,gTa Reaction

NUCLEAR REACTIONS 180mTa(γ, γ')180gTa, E=2.5-7.6 MeV bremsstrahlung; measured yield; deduced σ. 180Ta deduced K-mixing intermediate states level density. Monte Carlo simulation.

doi: 10.1103/PhysRevC.57.1812
Citations: PlumX Metrics


1997CA63      Hyperfine Interactions 107, 149 (1997)

J.J.Carroll, C.B.Collins

Limits on Spurious Contributions to Integrated Cross Sections for Photoexcitation and De-Excitation of Isomers

doi: 10.1023/A:1012028427406
Citations: PlumX Metrics


1997CO30      Hyperfine Interactions 107, 141 (1997)

C.B.Collins, J.J.Carroll, Yu.Ts.Oganessian, S.A.Karamian

Evidence for K Mixing in 178Hf

NUCLEAR STRUCTURE 174,175,176,177,178Hf; analyzed isomeric states properties; deduced evidence for multiparticle isomer in 178Hf.

doi: 10.1023/A:1012080411476
Citations: PlumX Metrics


1997OL04      Hyperfine Interactions 107, 197 (1997)

S.Olariu, J.J.Carroll, C.B.Collins, I.I.Popescu

Emission of Gamma Rays by Electron-Nuclear Double Transitions

doi: 10.1023/A:1012024326497
Citations: PlumX Metrics


1994VO23      Nucl.Instrum.Methods Phys.Res. A338, 425 (1994)

P.von Neumann-Cosel, N.Huxel, A.Richter, C.Spieler, J.J.Carroll, C.B.Collins

Absolute Calibration of Low Energy Energy, Thick Target Bremsstrahlung

NUCLEAR REACTIONS, ICPND 115In(γ, γ'), E=1-7 MeV bremsstrahlung; measured isomer yield vs E; deduced bremsstrahlung spectra absolute calibration. Thick target bremsstrahlung, Monte Carlo program.

doi: 10.1016/0168-9002(94)91326-9
Citations: PlumX Metrics


1993CA24      Phys.Rev. C48, 2238 (1993)

J.J.Carroll, C.B.Collins, K.Heyde, M.Huber, P.von Neumann-Cosel, V.Yu.Ponomarev, D.G.Richmond, A.Richter, C.Schlegel, T.W.Sinor, K.N.Taylor

Intermediate Structure in the Photoexcitation of 77mSe, 79mBr, and 137mBa

NUCLEAR REACTIONS, ICPND 77Se, 79Br, 137Ba(γ, γ'), E=2-7 MeV bremsstrahlung; measured γ yield vs E for isomer excitation. 77Se, 79Br, 137Ba deduced intermediate states excitation σ, shapes role.

doi: 10.1103/PhysRevC.48.2238
Citations: PlumX Metrics


1993HU05      Nucl.Phys. A559, 253 (1993)

M.Huber, P.von Neumann-Cosel, A.Richter, C.Schlegel, R.Schulz, J.J.Carroll, K.N.Taylor, D.G.Richmond, T.W.Sinor, C.B.Collins, V.Yu.Ponomarev

Structure of Intermediate States in the Photoexcitation of the 89Y Isomer

NUCLEAR REACTIONS 89Y(γ, γ'), E=2-5 MeV, bremsstrahlung; measured Eγ, Iγ. 89Y deduced ground-state, isomer activation transition strengths, T1/2. Quasiparticle-phonon model calculations. Resonance fluorescence technique.

doi: 10.1016/0375-9474(93)90190-9
Citations: PlumX Metrics


1992CA01      Phys.Rev. C45, 470 (1992)

J.J.Carroll, C.B.Collins, P.von Neumann-Cosel, D.G.Richmond, A.Richter, T.W.Sinor, K.N.Taylor

Reply to ' Comment on ' Resonant Excitation of the Reaction 180mTa(γ, γ')180Ta ' '

NUCLEAR REACTIONS 180Ta(γ, γ'), E ≤ 3.6 MeV; analyzed previous analyses of data; deduced isomer reduced transition probabilities consistency with recommended upper limits.

doi: 10.1103/PhysRevC.45.470
Citations: PlumX Metrics


1992CO19      Phys.Rev. C46, 952 (1992)

C.B.Collins, J.J.Carroll, K.N.Taylor, D.G.Richmond, T.W.Sinor, M.Huber, P.von Neumann-Cosel, A.Richter, W.Ziegler

Common Thresholds and the Role of Deformations in the Photoexcitation of Isomers

NUCLEAR REACTIONS 167Er, 179Hf, 191Ir, 197Au(γ, γ), E=2-6 MeV; measured σ(E), isomer production yield vs E; deduced intermediate states location, deformations role, σ.

doi: 10.1103/PhysRevC.46.952
Citations: PlumX Metrics


1991CA02      Phys.Rev. C43, 897 (1991)

J.J.Carroll, T.W.Sinor, D.G.Richmond, K.N.Taylor, C.B.Collins, M.Huber, N.Huxel, P.von Neumann-Cosel, A.Richter, C.Spieler, W.Ziegler

Excitation of 123mTe and 125mTe Through (γ, γ') Reactions

NUCLEAR REACTIONS 123,125Te(γ, γ'), E=2-6 MeV; measured γ-yield, σ(E); deduced isomer excitation mechanism.

doi: 10.1103/PhysRevC.43.897
Citations: PlumX Metrics


1991CA03      Phys.Rev. C43, 1238 (1991)

J.J.Carroll, M.J.Byrd, D.G.Richmond, T.W.Sinor, K.N.Taylor, W.L.Hodge, Y.Paiss, C.D.Eberhard, J.A.Anderson, C.B.Collins, E.C.Scarbrough, P.P.Antich, F.J.Agee, D.Davis, G.A.Huttlin, K.G.Kerris, M.S.Litz, D.A.Whittaker

Photoexcitation of Nuclear Isomers by (γ, γ') Reactions

NUCLEAR REACTIONS 77Se, 79Br, 87Sr, 89Y, 111Cd, 113,115In, 117Sn, 123Te, 135,137Ba, 167Er, 176Lu, 179Hf, 191Ir, 195Pt, 197Au, 199Hg(γ, γ'), E=0.5-11 MeV; measured partial σ(E); deduced isomer excitation mechanism, intermediate states general characteristics.

doi: 10.1103/PhysRevC.43.1238
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetG4020.


1991VO05      Phys.Rev. C44, 554 (1991)

P.von Neumann-Cosel, A.Richter, J.J.Carroll, C.B.Collins

Comment on ' Resonant and Nonresonant Contributions to the Photoactivation of 111Cd '

NUCLEAR REACTIONS, ICPND 87Sr(γ, γ'), 111Cd(γ, γ'), 113,115In(γ, γ'), E=radioactive source; calculated lowest intermediate states σ(E); deduced nonresonant contribution.

doi: 10.1103/PhysRevC.44.554
Citations: PlumX Metrics


1991VO08      Phys.Lett. 266B, 9 (1991)

P.von Neumann-Cosel, A.Richter, C.Spieler, W.Ziegler, J.J.Carroll, T.W.Sinor, D.G.Richmond, K.N.Taylor, C.B.Collins, K.Heyde

Resonant Photoexcitation of Isomers. 115mIn as a Test Case

NUCLEAR REACTIONS, ICPND 115In(γ, γ'), E=2-5 MeV bremsstrahlung; measured isomer yield vs end point energy, Eγ, Iγ; deduced excitation mechanism. Unified model.

doi: 10.1016/0370-2693(91)90736-A
Citations: PlumX Metrics


1990CO24      Phys.Rev. C42, R1813 (1990)

C.B.Collins, J.J.Carroll, T.W.Sinor, M.J.Byrd, D.G.Richmond, K.N.Taylor, M.Huber, N.Huxel, P.von Neumann-Cosel, A.Richter, C.Spieler, W.Ziegler

Resonant Excitation of the Reaction 180mTa(γ, γ')180Ta

NUCLEAR REACTIONS 180mTa(γ, γ'), E=43-76 keV; measured γ spectra; deduced isomer deexcitation mechanism, σ.

doi: 10.1103/PhysRevC.42.R1813
Citations: PlumX Metrics


1989AN07      Nucl.Instrum.Methods Phys.Res. B40/41, 452 (1989)

J.A.Anderson, C.D.Eberhard, M.J.Byrd, J.J.Carroll, C.B.Collins, E.C.Scarbrough, P.P.Antich

Nuclear Photoactivation Cross Sections for Short-Lived Isomeric States Excited with a 6 MeV Linac

NUCLEAR REACTIONS 167Er, 79Br, 191Ir, 183W, 197Au, 77Se, 137Ba, 89Y(γ, γ'), E ≤ 6 MeV bremsstrahlung; measured photoactivation σ.

doi: 10.1016/0168-583X(89)91018-5
Citations: PlumX Metrics


1989CA19      Astrophys.J. 344, 454 (1989)

J.J.Carroll, J.A.Anderson, J.W.Glesener, C.D.Eberhard, C.B.Collins

Accelerated Decay of 180mTa and 176Lu in Stellar Interiors through (γ, γ') Reactions

RADIOACTIVITY 180mTa [from 180Ta(γ, γ'), E=6 MeV bremsstrahlung]; measured X-ray spectra. 176mLu [from Lu(γ, γ'), E=6 MeV bremsstrahlung]; measured decay spectra; deduced effective T1/2 in stellar environment. Model calculations.

NUCLEAR REACTIONS 180Ta, 176Lu(γ, γ'), E=6 MeV bremsstrahlung; measured X-ray, decay spectra; deduced isomer excitation σ vs gateway state energy. Model calculations.

doi: 10.1086/167813
Citations: PlumX Metrics


Back to query form