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NSR database version of April 11, 2024.

Search: Author = K.Sharma

Found 89 matches.

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2024LO02      Phys.Rev.Lett. 132, 142502 (2024)

B.Longfellow, A.T.Gallant, G.H.Sargsyan, M.T.Burkey, T.Y.Hirsh, G.Savard, N.D.Scielzo, L.Varriano, M.Brodeur, D.P.Burdette, J.A.Clark, D.Lascar, K.D.Launey, P.Mueller, D.Ray, K.S.Sharma, A.A.Valverde, G.L.Wilson, X.L.Yan

Improved Tensor Current Limit from 8B β Decay Including New Recoil-Order Calculations

RADIOACTIVITY 8B(β+) [from 6Li(3He, n)8B, E not given]; measured decay products, Eα, Iα, Eβ, Iβ, α-α-β-coin.; deduced β-ν angular correlation coefficient impacted by 2+ intruder state, Gamow-Teller decays. Comparison with new ab initio symmetry-adapted no-core shell-model calculations, available data. The Beta-decay Paul Trap, Argonne National Laboratory, the ATLAS facility.

doi: 10.1103/PhysRevLett.132.142502
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2023GA11      Phys.Rev.Lett. 130, 192502 (2023)

A.T.Gallant, N.D.Scielzo, G.Savard, J.A.Clark, M.Brodeur, F.Buchinger, D.P.Burdette, M.T.Burkey, S.Caldwell, J.E.Crawford, A.Czeszumska, C.M.Deibel, J.Greene, D.Heslop, T.Y.Hirsh, A.F.Levand, B.Longfellow, G.E.Morgan, P.Mueller, R.Orford, S.Padgett, N.Paul, A.Perez Galvan, A.Reimer, R.Segel, K.S.Sharma, K.Siegl, L.Varriano, B.J.Zabransky

Angular Correlations in the β Decay of 8B: First Tensor-Current Limits from a Mirror-Nucleus Pair

RADIOACTIVITY 8B(β+); measured decay products, Eβ, Iβ; deduced the α-β-ν angular correlation in the Gamow-Teller β+ decay. The Beta-decay Paul Trap.

doi: 10.1103/PhysRevLett.130.192502
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2023HA31      Phys.Rev. C 108, 034608 (2023)

K.Haak, O.B.Tarasov, P.Chowdhury, A.M.Rogers, K.Sharma, T.Baumann, D.Bazin, P.C.Bender, J.Chen, A.Estrade, M.A.Famiano, D.C.Foulds-Holt, N.Fukuda, A.Gade, T.N.Ginter, R.W.Gohier, M.Hausmann, A.M.Hill, D.E.M.Hoff, L.Klankowski, E.Kwan, J.Li, S.N.Liddick, B.Longfellow, S.Lyons, C.Morse, M.Portillo, D.Rhodes, A.L.Richard, S.Samaranayake, B.M.Sherrill, M.K.Smith, M.Spieker, C.S.Sumithrarachchi, H.Suzuki, K.Wang, S.Waniganeththi, D.Weisshaar, S.Zhu

Production and discovery of neutron-rich isotopes by fragmentation of 198Pt

NUCLEAR REACTIONS 9Be, Ni(198Pt, X)182Yb/183Lu/184Lu/185Lu/186Lu/187Lu/188Lu/189Lu/184Hf/185Hf/186Hf/187Hf/188Hf/189Hf/190Hf/191Hf/192Hf/185Ta/186Ta/187Ta/188Ta/189Ta/190Ta/191Ta/192Ta/193Ta/186W/187W/188W/189W/190W/191W/192W/193W/194W/187Re/188Re/189Re/190Re/191Re/192Re/193Re/194Re/195Re/196Re/190Os/191Os/192Os/193Os/194Os/195Os/196Os/197Os/192Ir/193Ir/194Ir/195Ir/196Ir/197Ir/198Ir, E=85 MeV/nucleon from the NSCL-MSU Coupled Cyclotron Facility (CCF); measured reaction products, particle identification spectra using A1900 fragment separator, S800 spectrograph for fragment analysis, PIN diode telescope of five silicon detectors for particle detection, γ rays using GRETINA array, and LISE+ Monte Carlo calculations of charge state fractions; deduced production cross sections of about 70 nuclei in Z=70-77 region. 189Lu, 191,192Hf; deduced new nuclides. 190W; measured γ-ray spectrum from the emission of a 166-μs isomer. Comparison of measured production cross sections with theoretical calculations using EFAX3 and COFRA codes. Numerical values of production cross sections are listed in the Supplemental Material.

doi: 10.1103/PhysRevC.108.034608
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2023HO14      Phys.Rev.Lett. 131, 262701 (2023)

D.E.M.Hoff, K.Kolos, G.W.Misch, D.Ray, B.Liu, A.A.Valverde, M.Brodeur, D.P.Burdette, N.Callahan, J.A.Clark, A.T.Gallant, F.G.Kondev, G.E.Morgan, M.R.Mumpower, R.Orford, W.S.Porter, F.Rivero, G.Savard, N.D.Scielzo, K.S.Sharma, K.Sieja, T.M.Sprouse, L.Varriano

Direct Mass Measurements to Inform the Behavior of 128mSb in Nucleosynthetic Environments

ATOMIC MASSES 128,128mSb; measured cyclotron frequencies; deduced mass excesses, isomer excitation energy. Comparison with AME2020, NUBASE2020, state-of-the-art shell model calculations using the GCN5082 interaction. The phase-imaging ion-cyclotron resonance (PI-ICR) technique with the Canadian Penning Trap (CPT) mass spectrometer at the Californium Rare Isotope Breeder Upgrade facility.

doi: 10.1103/PhysRevLett.131.262701
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2023LO04      Phys.Rev. C 107, L032801 (2023)

B.Longfellow, A.T.Gallant, T.Y.Hirsh, M.T.Burkey, G.Savard, N.D.Scielzo, L.Varriano, M.Brodeur, D.P.Burdette, J.A.Clark, D.Lascar, P.Mueller, D.Ray, K.S.Sharma, A.A.Valverde, G.L.Wilson, X.L.Yan

Determination of the 8B neutrino energy spectrum using trapped ions

RADIOACTIVITY 8B(β+) [from 3He(6Li, n)8B, E not given]; measured decay products, Eα, Iα, αα-coin, 8Be recoil energy; deduced 8Be final-state distribution (FSD) from 8B decay, neutrino energy spectra. Comparison to other experimental data. β-decay Paul trap (BPT) surrounded by double-sided silicon strip detectors (DSSDs) at ATLAS facility (ANL).

doi: 10.1103/PhysRevC.107.L032801
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2022BU16      Phys.Rev.Lett. 128, 202502 (2022)

M.T.Burkey, G.Savard, A.T.Gallant, N.D.Scielzo, J.A.Clark, T.Y.Hirsh, L.Varriano, G.H.Sargsyan, K.D.Launey, M.Brodeur, D.P.Burdette, E.Heckmaier, K.Joerres, J.W.Klimes, K.Kolos, A.Laminack, K.G.Leach, A.F.Levand, B.Longfellow, B.Maass, S.T.Marley, G.E.Morgan, P.Mueller, R.Orford, S.W.Padgett, A.Perez Galvan, J.R.Pierce, D.Ray, R.Segel, K.Siegl, K.S.Sharma, B.S.Wang

Improved Limit on Tensor Currents in the Weak Interaction from 8Li β Decay

RADIOACTIVITY 8Li(β-); measured decay products, Eβ, Iβ; deduced tensor currents in the low-energy regime by examining the β-ν correlation of trapped 8Li ions with the Beta-decay Paul Trap. Comparison with the standard model prediction.

doi: 10.1103/PhysRevLett.128.202502
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2022GA27      Phys.Rev. C 106, 045503 (2022)

N.D.Gamage, R.Sandler, F.Buchinger, J.A.Clark, D.Ray, R.Orford, W.S.Porter, M.Redshaw, G.Savard, K.S.Sharma, A.A.Valverde

Precise Q-value measurements of 112, 113Ag and 115Cd with the Canadian Penning trap for evaluation of potential ultralow Q-value β decays

RADIOACTIVITY 112,113Ag, 115Cd(β-); measured cyclotron frequency ratios of singly charged parent and daughter ions; deduced Q values of g.s to g.s decay, log ft, partial T1/2. On the basis of measured values and existing level schemes evaluated ultralow Q-values for potential decay branches to the excited states. Comparison to AME2020 evaluation. Canadian Penning trap mass spectrometer coupled to the californium rare isotope breeder upgrade (CARIBU) facility at ANL. Comparison to AME2020 evaluation.

ATOMIC MASSES 112,113Ag, 115Cd; measured cyclotron frequency; deduced mass excesses. Comparison to AME2020 evaluation.

doi: 10.1103/PhysRevC.106.045503
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2022HU21      Phys.Rev. C 106, L061301 (2022)

T.Huang, D.Seweryniak, B.B.Back, P.C.Bender, M.P.Carpenter, P.Chowdhury, R.M.Clark, P.A.Copp, X.-T.He, R.D.Herzberg, D.E.M.Hoff, H.Jayatissa, T.L.Khoo, F.G.Kondev, G.Morgan, C.Morse, A.Korichi, T.Lauritsen, C.Muller-Gatermann, D.H.Potterveld, W.Reviol, A.M.Rogers, S.Saha, G.Savard, K.Sharma, S.Stolze, S.Waniganeththi, G.L.Wilson, J.Wu, Y.-F.Xu, S.Zhu

Discovery of the new isotope 251Lr: Impact of the hexacontetrapole deformation on single-proton orbital energies near the Z=100 deformed shell gap

NUCLEAR REACTIONS 203Tl(50Ti, 2n)251Lr, 205Tl(50Ti, 2n)253Lr, E=237 MeV; measured reaction products, α-decay of the reaction products, Eα, Iα. 251,253Lr; deduced levels J, π, α-decay width. 251,253,255Lr; calculated single-proton levels near the Fermi surface. Calculations with particle-number conserving cranked shell model. Beam delivered to target by ATLAS linear accelerator and recoiling reaction products were separated in the Argonne Gas-Filled Analyzer (AGFA) at (ANL). Decay of the implanted reaction products was measured in pixelized double-sided Si strip detector (DSSD).

RADIOACTIVITY 251,253Lr(α)[from 203,205Tl(50Ti, 2n), E=237 MeV]; measured Eα, Iα; deduced T1/2, Q-value, α-decay branchings and widths. Comparison to other experimental data. and predictions of theoretical models.

doi: 10.1103/PhysRevC.106.L061301
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2022OR02      Phys.Rev. C 105, L052802 (2022)

R.Orford, N.Vassh, J.A.Clark, G.C.McLaughlin, M.R.Mumpower, D.Ray, G.Savard, R.Surman, F.Buchinger, D.P.Burdette, M.T.Burkey, D.A.Gorelov, J.W.Klimes, W.S.Porter, K.S.Sharma, A.A.Valverde, L.Varriano, X.L.Yan

Searching for the origin of the rare-earth peak with precision mass measurements across Ce-Eu isotopic chains

ATOMIC MASSES 152,153,154Ce, 152,153,154,156,157Pr, 157Nd, 161Pm, 163,165Eu; measured cyclotron frequency; deduced mass excess, solar abundances of rare-earth elements. Comparison to AME2016 and AME2020 evaluations, previous experimental data and calculations using Markov chain Monte Carlo (MCMC) technique. Canadian Penning Trap (CPT) with low-energy ion beams from the Californium Rare Isotope Breeder Upgrade(CARIBU) facility at Argonne National Laboratory. Systematics of CPT mass-measurements for Ce, Pr, Nd, Pm, Sm, Eu (Z=58-63).

doi: 10.1103/PhysRevC.105.L052802
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2022VI08      Phys.Rev. C 106, 064609 (2022)

Vijay, N.Grover, K.Sharma, M.Singh Gautam, M.K.Sharma, R.Pal Chahal

Fusion-fission analysis of 12C + 248Cm and 16O + 244Pu and 16O + 244Pu nuclear reactions across the Coulomb barrier

NUCLEAR REACTIONS 248Cm(12C, X)260No, E(cm)=50-90 MeV; 244Pu(16O, X)260No, E=65-115 MeV; calculated total fusion σ(E), full momentum transfer (complete fusion) σ(E), noncompound nucleus (nCN) fission σ(E), Coulomb and nuclear potentials, fragmentation potentials of light particles and fission fragment in the decay of formed 260No, fragments preformation probabilities. Calculations using symmetric-asymmetric Gaussian barrier distribution (SAGBD) model and Wong formula. Comparison to available experimental data.

RADIOACTIVITY 260,262No(SF); calculated fission fragment pairs preformation distribution. dynamical cluster-decay model (DCM).

doi: 10.1103/PhysRevC.106.064609
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2020CZ01      Phys.Rev. C 101, 024312 (2020)

A.Czeszumska, N.D.Scielzo, S.A.Caldwell, J.A.Clark, G.Savard, B.S.Wang, A.Aprahamian, M.T.Burkey, C.J.Chiara, J.Harker, A.F.Levand, S.T.Marley, G.Morgan, J.M.Munson, E.B.Norman, A.Nystrom, R.Orford, S.W.Padgett, A.Perez Galvan, K.S.Sharma, K.Siegl, S.Y.Strauss

β-delayed neutron emission studies of 137,138I and 144,145Cs performed with trapped ions

RADIOACTIVITY 137,138I, 144,145Cs(β-), (β-n)[252Cf(SF) CARIBU facility and mass scans of radioactive beams with the Canadian Penning Trap (CPT) mass spectrometer at Argonne National Laboratory]; measured recoil ions, Eβ, Eγ, (recoil ions)β- and βγ-coin using Beta-decay Paul Trap with two plastic-scintillator ΔE-E telescopes, two MCP detectors, and two HPGe detectors; deduced beta-delayed neutron spectra, beta-delayed neutron-emission probabilities (%β-n or Pn). Comparison with previous experimental results.

doi: 10.1103/PhysRevC.101.024312
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14632. Data from this article have been entered in the XUNDL database. For more information, click here.


2020OR02      Nucl.Instrum.Methods Phys.Res. B463, 491 (2020)

R.Orford, J.A.Clark, G.Savard, A.Aprahamian, F.Buchinger, M.T.Burkey, D.A.Gorelov, J.W.Klimes, G.E.Morgan, A.Nystrom, W.S.Porter, D.Ray, K.S.Sharma

Improving the measurement sensitivity of the Canadian Penning Trap mass spectrometer through PI-ICR

ATOMIC MASSES 142I, 146La, 163Gd; measured frequencies; deduced mass excesses.

doi: 10.1016/j.nimb.2019.04.016
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2020OR03      Phys.Rev. C 102, 011303 (2020)

R.Orford, F.G.Kondev, G.Savard, J.A.Clark, W.S.Porter, D.Ray, F.Buchinger, M.T.Burkey, D.A.Gorelov, D.J.Hartley, J.W.Klimes, K.S.Sharma, A.A.Valverde, X.L.Yan

Spin-trap isomers in deformed, odd-odd nuclei in the light rare-earth region near N=98

ATOMIC MASSES 156,156m,158,160,160mPm, 158,160,160m,162,162m,164Eu, 162,162m,164,164m,166Tb; measured cyclotron frequency using the Canadian Penning Trap mass spectrometer at the CARIBU-ANL facility; deduced mass excesses, isomer excitation energies, Kπ, Nilsson configurations. Radioactive nuclei were produced in spontaneous fission of 252Cf source, filtered by A/Q, and purified by a multireflection time-of-flight mass separator (MR-TOF). Comparison with multiquasiparticle blocking calculations.

doi: 10.1103/PhysRevC.102.011303
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Data from this article have been entered in the XUNDL database. For more information, click here.


2020SH33      Ann.Nucl.Energy 84, 1557 (2020)

K.Sharma, M.K.Sharma

Relevance of Deformation Effects in Decay Modes of Radioactive Nucleus 242Cm

RADIOACTIVITY 242Cm(SF), (α); calculated mass fragmentation potentials, fragment preformation probability, barrier heights, T1/2, deformation parameters using the Preformed Cluster Approach.

doi: 10.3103/S1062873820120345
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2020WA04      Phys.Rev. C 101, 025806 (2020)

B.S.Wang, S.A.Caldwell, N.D.Scielzo, A.Czeszumska, J.A.Clark, G.Savard, A.Aprahamian, M.T.Burkey, C.J.Chiara, J.Harker, A.F.Levand, S.T.Marley, G.E.Morgan, J.M.Munson, E.B.Norman, A.Nystrom, R.Orford, S.W.Padgett, A.Perez Galvan, K.S.Sharma, K.Siegl, S.Y.Strauss

β-delayed-neutron studies of 135,136Sb and 140I performed with trapped ions

RADIOACTIVITY 135,136Sb, 140I(β-), (β-n) [from 252Cf(SF) CARIBU facility and mass scans of radioactive beams with the Canadian Penning Trap (CPT) mass spectrometer at Argonne National Laboratory]; measured recoil ions, Eβ, Eγ, (recoil ions)β- and βγ-coin using Beta-decay Paul Trap with two plastic-scintillator ΔE-E telescopes, two MCP detectors, and two HPGe detectors; deduced beta-delayed neutron spectra, beta-delayed neutron-emission probabilities (%β-n or Pn). Comparison with earlier experimental results.

doi: 10.1103/PhysRevC.101.025806
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14685. Data from this article have been entered in the XUNDL database. For more information, click here.


2019BU23      Hyperfine Interactions 240, 36 (2019)

M.T.Burkey, G.Savard, A.Gallant, N.D.Scielzo, J.A.Clark, T.Y.Hirsh, D.P.Burdette, E.Heckmaier, J.Klimes, K.Kolos, S.T.Marley, G.E.Morgan, R.Orford, S.Padgett, J.Pierce, R.Segel, Ku.S.Sharma, L.Varriano, B.S.Wang

Precision β - ν correlation measurements with the Beta-decay Paul Trap

RADIOACTIVITY 8Li(β-); measured decay products, Eβ, Iβ; deduced correlations. Comparison with simulations.

doi: 10.1007/s10751-019-1580-0
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2019SH12      Eur.Phys.J. A 55, 30 (2019)

K.Sharma, G.Sawhney, M.K.Sharma, G.Sawhney

Collective clusterization approach to investigate the relevance of deformation effects in Sn radioactivity

NUCLEAR STRUCTURE 112,146Ba, 120,156Nd, 128,166Gd; calculated mass fragmentation potentials vs fragment mass, preformation probability for spherical and deformed nuclei using Preformed Cluster Model (PCM). 108,110,112,114,116Xe; calculated 8Be preformation and penetration probability, T1/2. 112,114,116,118,120Ba; calculated 12C preformation and penetration probability, T1/2. 116,118,120,122,124Ce; calculated 16O preformation and penetration probability, T1/2. 120,122,124,126,128,130Nd;calculated 20Ne preformation and penetration probability, T1/2. 124,126,128,130Sm; calculated 24Mg preformation and penetration probability, T1/2. 128,130,132,134,136Gd;calculated 28Si preformation and penetration probability, T1/2. 146Ba, 152Ce, 156Nd, 160Sm, 162Sm, 166Gd; fragments 14C, 20O, 24Ne, 28Mg, 30Mg, 34Si, each emission is in the way that the daughter nucleus is for each case 132Sn; calculated fragment preformation and penetration probability, T1/2, for spherical and for β2-deformed nuclei; calculated also the influence of shell corrections and of different versions of proximity potential.

doi: 10.1140/epja/i2019-12697-2
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2019SH20      Nucl.Phys. A986, 1 (2019)

K.Sharma, M.K.Sharma

Fragmentation analysis and α-decay half-lives of trans-Sn nuclei

RADIOACTIVITY 114Ba, 110Xe, 106Te(α)[α-decay chain]; 105Te(α); 150Dy, 152,154Ho, 154Tm(α); calculated α-decay T1/2 containing excited state α-decays, α-decay preformation probability vs number of preceding α-decays within a chain, calculated interaction potential for spontaneous α-decay and fragmentation of 105Te, preformation distribution of yields for spontaneous and induced α-emission using Dynamical Cluster decay Model (DCM), the extension of Preformed Cluster Model (PCM) and different proximity potentials; compared calculated T1/2 for used proximity potentials and also with experimental data.

NUCLEAR REACTIONS 58Ni(58Ni, 2n)116Ba, E=210 MeV; analyzed published results to understand the role of deformation and the difference between gs α-decay and α-decay of excited states created in a reaction.

doi: 10.1016/j.nuclphysa.2019.03.001
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2019SH33      Int.J.Mod.Phys. E28, 1950048 (2019)

K.Sharma, M.K.Sharma

Analysis of competing ground state channels observed in decay of Cm isotopes

RADIOACTIVITY 238Cm(32Si), (84Se), 240Cm(32Si), (84Se), 242Cm(34Si), (84Se), 244Cm(36Si), (82Ge), 246Cm(40S), (82Ge), 248Cm(46Ar), (82Ge), 250Cm(46Ar), (82Ge); calculated Q-values, T1/2.

doi: 10.1142/S0218301319500484
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2018HA19      Phys.Rev.Lett. 120, 182502 (2018)

D.J.Hartley, F.G.Kondev, R.Orford, J.A.Clark, G.Savard, A.D.Ayangeakaa, S.Bottoni, F.Buchinger, M.T.Burkey, M.P.Carpenter, P.Copp, D.A.Gorelov, K.Hicks, C.R.Hoffman, C.Hu, R.V.F.Janssens, J.W.Klimes, T.Lauritsen, J.Sethi, D.Seweryniak, K.S.Sharma, H.Zhang, S.Zhu, Y.Zhu

Masses and β-Decay Spectroscopy of Neutron-Rich Odd-Odd 160, 162Eu Nuclei: Evidence for a Subshell Gap with Large Deformation at N=98

RADIOACTIVITY 160,162Eu(β-); measured decay products, Eγ, Iγ; deduced γ-ray energies, partial level scheme, T1/2.

ATOMIC MASSES 160,162Eu; measured frequency ratios; deduced mass excess (ME) for the ground and isomeric states.

doi: 10.1103/PhysRevLett.120.182502
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Data from this article have been entered in the XUNDL database. For more information, click here.


2018OR02      Phys.Rev.Lett. 120, 262702 (2018)

R.Orford, N.Vassh, J.A.Clark, G.C.McLaughlin, M.R.Mumpower, G.Savard, R.Surman, A.Aprahamian, F.Buchinger, M.T.Burkey, D.A.Gorelov, T.Y.Hirsh, J.W.Klimes, G.E.Morgan, A.Nystrom, K.S.Sharma

Precision Mass Measurements of Neutron-Rich Neodymium and Samarium Isotopes and Their Role in Understanding Rare-Earth Peak Formation

ATOMIC MASSES 154,156,158,159,160Nd, 162,163,164Sm; measured cyclotron frequency ratios; deduced mass excess values. Comparison with AME16 evaluation.

doi: 10.1103/PhysRevLett.120.262702
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2018SH08      Nucl.Phys. A972, 1 (2018)

K.Sharma, G.Sawhney, M.K.Sharma, R.K.Gupta

Decay of Plutonium isotopes via spontaneous and heavy-ion induced fission paths

NUCLEAR REACTIONS 238U(6He, x)244Pu, E(cm)=15.0-28.8 MeV; calculated fission σ, fragment mass distribution, using DCM (Dynamical Cluster Decay Model) for spherical and β2-deformed nuclei. Compared with data.

RADIOACTIVITY 234,236,238,240,242,244,246Pu(SF); calculated preformation probability vs fragment mass, preformation yield, preformation T1/2, spontaneous fission T1/2 using PCM (Preformed Cluster Model) for hot and cold nuclei, both spherical and deformed, hot and cold. Compared with fragment mass yield data, experimental T1/2.

doi: 10.1016/j.nuclphysa.2018.02.001
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2018SI07      Phys.Rev. C 97, 035504 (2018)

K.Siegl, N.D.Scielzo, A.Czeszumska, J.A.Clark, G.Savard, A.Aprahamian, S.A.Caldwell, B.S.Alan, M.T.Burkey, C.J.Chiara, J.P.Greene, J.Harker, S.T.Marley, G.E.Morgan, J.M.Munson, E.B.Norman, R.Orford, S.Padgett, A.Perez Galvan, K.S.Sharma, S.Y.Strauss

Recoil ions from the β decay of 134Sb confined in a Paul trap

RADIOACTIVITY 134,134mSb(β-)[from 252Cf SF decay at CARIBU-ANL facility]; measured β, γ, singly-charged recoil ions, βγ-coin, β(ce)-coin, (recoils)β-coin, time-of-flight spectra for β(ion)-coin using Beta-decay Paul Trap (BPT); deduced charge-state distribution of the recoiling ions, mean electron loss, β-ν correlation coefficient (aβν), β-decay simulations, significant β-decay strength (17.2%) to high-lying excited states in 134Te to obtain an angular correlation consistent with expected value of unity for 0- to 0+ β transition. Comparison of the observed β-decay spectrum with that from the decay scheme in the ENSDF database or Nuclear Data Sheets for 134Sb g.s. decay. Comparison of mean atomic electron loss in 134Sb decay with that from the decays of noble gases 6He, 23Ne, 35Ar, 41Ar, 85Kr and 133Xe. 134,134mSb; half-lives used from literature and those determined at CARIBU-ANL facility (reference 23 in this work).

doi: 10.1103/PhysRevC.97.035504
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2017GR22      Eur.Phys.J. A 53, 239 (2017)

N.Grover, K.Sharma, M.K.Sharma

Dynamics of 47V* formed in 20Ne + 27Al reaction in view of fusion-fission and DIC mechanism

NUCLEAR REACTIONS 27Al(20Ne, γ), E(cm)=83-125 MeV; calculated 51V FF (Fusion-Fission) and DIC (Deep-Inelastic Decay) and ER, IMF, HMF, fission preformation probability vs fragment and vs angular momentum, σ vs angular momentum, grazing angular momentum, T1/2 using collective clusterization of DCM (Dynamical Cluster decay Model) with quadrupole deformation of fragments. Compared with data.

doi: 10.1140/epja/i2017-12439-6
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2017SH46      Phys.Rev. C 96, 054307 (2017)

K.Sharma, G.Sawhney, M.K.Sharma

Spontaneous fission and competing ground state decay modes of actinide and transactinide nuclei

RADIOACTIVITY 232,234,235,236,238U, 239,240,241Pu, 243Am, 243,245,248Cm, 249Bk, 249,250Cf, 253Es, 250,252,254,256Fm, 255,257,259Md(SF); 252,254,256,257,259No, 252,253,255,256,257,259Lr, 255,256,257,258,259,260Rf, 255Db, 258,260,262Sg, 264Hs(SF); calculated fragmentation potentials as function of fragment mass, half-lives for SF decays, barrier lowering parameter, neck-length parameter, preformation probability, penetrability parameter. Preformed cluster model approach. Comparison with other theoretical calculations of half-lives and, with experimental data.

doi: 10.1103/PhysRevC.96.054307
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2015AU02      At.Data Nucl.Data Tables 103-104, 1 (2015); See 2014PF01

G.Audi, K.Blaum, M.Block, G.Bollen, S.Goriely, J.C.Hardy, F.Herfurth, F.G.Kondev, H.-J.Kluge, D.Lunney, J.M.Pearson, G.Savard, K.S.Sharma, M.Wang, Y.H.Zhang

Comment on "Atomic mass compilation 2012" by B. Pfeiffer, K. Venkataramaniah, U. Czok, C. Scheidenberger

COMPILATION 45Cr, 47Ar, 65As, 73Ge, 100Sn, 286Nh; compiled experimental atomic masses; deduced differences with work of B. Pfeiffer et al.

doi: 10.1016/j.adt.2014.05.003
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2015ST15      Phys.Rev.Lett. 115, 182501 (2015)

M.G.Sternberg, R.Segel, N.D.Scielzo, G.Savard, J.A.Clark, P.F.Bertone, F.Buchinger, M.Burkey, S.Caldwell, A.Chaudhuri, J.E.Crawford, C.M.Deibel, J.Greene, S.Gulick, D.Lascar, A.F.Levand, G.Li, A.Perez Galvan, K.S.Sharma, J.Van Schelt, R.M.Yee, B.J.Zabransky

Limit on Tensor Currents from 8Li β Decay

RADIOACTIVITY 8Li(β-) [from 7Li(d, p), E not given]; measured decay products, Eβ, Iβ, Eα, Iα. 6He; deduced β-ν-α correlations. Comparison with available data.

doi: 10.1103/PhysRevLett.115.182501
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Data from this article have been entered in the XUNDL database. For more information, click here.


2014SC11      Nucl.Data Sheets 120, 70 (2014)

N.D.Scielzo, R.M.Yee, P.F.Bertone, F.Buchinger, S.A.Caldwell, J.A.Clark, A.Czeszumska, C.M.Deibel, J.P.Greene, S.Gulick, D.Lascar, A.F.Levand, G.Li, E.B.Norman, S.Padgett, M.Pedretti, A.Perez Galvan, G.Savard, R.E.Segel, K.S.Sharma, M.G.Sternberg, J.Van Schelt, B.J.Zabransky

A Novel Approach to β-delayed Neutron Spectroscopy Using the Beta-decay Paul Trap

RADIOACTIVITY 137I(β-); measured decay products, Eβ, Iβ.; deduced neutron energy spectrum and branching ratio. Comparison with available data.

doi: 10.1016/j.nds.2014.07.009
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2013LI12      Phys.Rev.Lett. 110, 092502 (2013)

G.Li, R.Segel, N.D.Scielzo, P.F.Bertone, F.Buchinger, S.Caldwell, A.Chaudhuri, J.A.Clark, J.E.Crawford, C.M.Deibel, J.Fallis, S.Gulick, G.Gwinner, D.Lascar, A.F.Levand, M.Pedretti, G.Savard, K.S.Sharma, M.G.Sternberg, T.Sun, J.Van Schelt, R.M.Yee, B.J.Zabransky

Tensor Interaction Limit Derived From the α-β-ν(bar) Correlation in Trapped 8Li Ions

RADIOACTIVITY 8Li(β-) [from 7Li(d, p), E=24 MeV]; measured decay products, Eα, Iα; deduced α-β-ν correlation in the Gamow-Teller decay, limit on tensor component contribution.

doi: 10.1103/PhysRevLett.110.092502
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2013VA12      Phys.Rev.Lett. 111, 061102 (2013)

J.Van Schelt, D.Lascar, G.Savard, J.A.Clark, P.F.Bertone, S.Caldwell, A.Chaudhuri, A.F.Levand, G.Li, G.E.Morgan, R.Orford, R.E.Segel, K.S.Sharma, M.G.Sternberg

First Results from the CARIBU Facility: Mass Measurements on the r-Process Path

ATOMIC MASSES 130,131In, 130,131,132,133,134,135Sn, 131,132,133,134,135,136,137Sb, 133,135,136,137,138,139,140Te, 133,134,135,139,140,141I, 142,143,144,145,146Cs; measured TOF ion cyclotron resonances, cyclotron frequency; deduced mass excess. Comparison with theoretical calculations.

doi: 10.1103/PhysRevLett.111.061102
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2013YE02      Phys.Rev.Lett. 110, 092501 (2013)

R.M.Yee, N.D.Scielzo, P.F.Bertone, F.Buchinger, S.Caldwell, J.A.Clark, C.M.Deibel, J.Fallis, J.P.Greene, S.Gulick, D.Lascar, A.F.Levand, G.Li, E.B.Norman, M.Pedretti, G.Savard, R.E.Segel, K.S.Sharma, M.G.Sternberg, J.Van Schelt, B.J.Zabransky

β-Delayed Neutron Spectroscopy Using Trapped Radioactive Ions

RADIOACTIVITY 137I(β-n) [from 252Cf(SF)];measured decay products, TOF, Eβ, Iβ, Eγ, Iγ, En, In; deduced βn branching ratios. Linear Paul trap.

doi: 10.1103/PhysRevLett.110.092501
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2012SC09      Nucl.Instrum.Methods Phys.Res. A681, 94 (2012)

N.D.Scielzo, G.Li, M.G.Sternberg, G.Savard, P.F.Bertone, F.Buchinger, S.Caldwell, J.A.Clark, J.Crawford, C.M.Deibel, J.Fallis, J.P.Greene, S.Gulick, A.A.Hecht, D.Lascar, J.K.P.Lee, A.F.Levand, M.Pedretti, R.E.Segel, H.Sharma, K.S.Sharma, I.Tanihata, J.Van Schelt, R.M.Yee, B.J.Zabransky

The β-decay Paul trap: A radiofrequency-quadrupole ion trap for precision β-decay studies

RADIOACTIVITY 8Li(β-), (α); measured decay products, Eβ, Iβ, Eα, Iα, nuclear recoils; deduced technique for the β-ν angular correlations.

doi: 10.1016/j.nima.2012.04.035
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2012VA02      Phys.Rev. C 85, 045805 (2012)

J.Van Schelt, D.Lascar, G.Savard, J.A.Clark, S.Caldwell, A.Chaudhuri, J.Fallis, J.P.Greene, A.F.Levand, G.Li, K.S.Sharma, M.G.Sternberg, T.Sun, B.J.Zabransky

Mass measurements near the r-process path using the Canadian Penning Trap mass spectrometer

ATOMIC MASSES 133,134Sb, 134,135,136,137Te, 135,136,137,138,139I, 137,138,139,140,141Xe, 141,142Cs, 153,155Pr, 153,155,157Nd, 153,155,156,157,158,159Pm, 155,157,158,159,160,161Sm, 158,159,160,161Eu, 163Gd; measured cyclotron frequency ratios; deduced mass excess, atomic masses. Canadian Penning Trap mass spectrometer at ANL. Comparison with AME-2003 evaluation and theoretical mass models. Systematics of S(2n) values.

doi: 10.1103/PhysRevC.85.045805
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2011CH66      J.Phys.:Conf.Ser. 312, 042009 (2011)

A.Chaudhuri, P.F.Bertone, F.Buchinger, S.Caldwell, J.A.Clark, J.E.Crawford, C.M.Deibel, S.Gulick, D.Lascar, A.F.Levand, G.Li, G.Savard, R.E.Segel, K.S.Sharma, M.G.Sternberg, T.Sun, J.Van Schelt

Studies of neutron-rich nuclei using the CPT mass spectrometer at CARIBU

doi: 10.1088/1742-6596/312/4/042009
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2011FA10      Phys.Rev. C 84, 045807 (2011)

J.Fallis, J.A.Clark, K.S.Sharma, G.Savard, F.Buchinger, S.Caldwell, A.Chaudhuri, J.E.Crawford, C.M.Deibel, S.Gulick, A.A.Hecht, D.Lascar, J.K.P.Lee, A.F.Levand, G.Li, B.F.Lundgren, A.Parikh, S.Russell, M.Scholte-van de Vorst, N.D.Scielzo, R.E.Segel, H.Sharma, S.Sinha, M.G.Sternberg, T.Sun, I.Tanihata, J.Van Schelt, J.C.Wang, Y.Wang, C.Wrede, Z.Zhou

Mass measurements of isotopes of Nb, Mo, Tc, Ru, and Rh along the Νp- and rp-process paths using the Canadian Penning trap mass spectrometer

ATOMIC MASSES 87Nb, 87,90,91,92Mo, 90,91,92,93Tc, 90,91,92,93,94Ru, 92,93,94,95Rh; measured cyclotron frequency ratios using Canadian Penning trap mass spectrometer; deduced mass excesses. 88Tc; deduced S(p). Comparison with previous measurements and AME-2003. Z=42-47, A=87-96; analyzed systematics of S(2p) values. Z=42-45, N=45-52; analyzed systematics of S(2n) values. Z=42-45, A=87-95; analyzed systematics of S(p) values. 94mAg; discussed 2p decay mode of 21+ isomer.

NUCLEAR REACTIONS 58Ni(40Ca, X)87Nb/87Mo/90Mo/92Mo/90Tc/90Tc/92Tc/93Tc/90Ru/91Ru/92Ru/93Ru/92Rh/93Rh/94Rh, E=185, 190, 200 MeV; 58Ni(36Ar, X)91Tc/91Ru, E=125 MeV; Ni(36Ar, X)90Mo/91Mo/90Tc/91Tc/92Tc/91Ru/92Ru, E=130, 150 MeV; Ni(40Ca, X)93Tc/93Ru/94Ru/94Rh/95Rh, E=170 MeV; measured yields at ATLAS facility.

doi: 10.1103/PhysRevC.84.045807
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2009SC19      Phys.Rev. C 80, 025501 (2009)

N.D.Scielzo, S.Caldwell, G.Savard, J.A.Clark, C.M.Deibel, J.Fallis, S.Gulick, D.Lascar, A.F.Levand, G.Li, J.Mintz, E.B.Norman, K.S.Sharma, M.Sternberg, T.Sun, J.Van Schelt

Double-β-decay Q values of 130Te, 128Te, and 120Te

ATOMIC MASSES 128,129,130,131,132Xe, 120,128,130Te, 120Sn; measured mass differences of 120Te-120Sn, 128Te-128Xe, 130Te-130Xe and 132Xe-129Xe pairs using Penning Trap mass spectrometer.

RADIOACTIVITY 120Te(2β+); 128,130Te(2β-); measured parent-daughter mass differences by Penning-trap spectrometer; deduced Q values.

doi: 10.1103/PhysRevC.80.025501
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2008FA11      Phys.Rev. C 78, 022801 (2008)

J.Fallis, J.A.Clark, K.S.Sharma, G.Savard, F.Buchinger, S.Caldwell, J.E.Crawford, C.M.Deibel, J.L.Fisker, S.Gulick, A.A.Hecht, D.Lascar, J.K.P.Lee, A.F.Levand, G.Li, B.F.Lundgren, A.Parikh, S.Russell, M.Scholte-van de Vorst, N.D.Scielzo, R.E.Segel, H.Sharma, S.Sinha, M.Sternberg, T.Sun, I.Tanihata, J.Van Schelt, J.C.Wang, Y.Wang, C.Wrede, Z.Zhou

Determination of the proton separation energy of 93Rh from mass measurements

ATOMIC MASSES 92Ru, 93Rh; measured masses; deduced mass excesses, proton separation energies. Penning trap method.

doi: 10.1103/PhysRevC.78.022801
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2007CL01      Phys.Rev. C 75, 032801 (2007)

J.A.Clark, K.S.Sharma, G.Savard, A.F.Levand, J.C.Wang, Z.Zhou, B.Blank, F.Buchinger, J.E.Crawford, S.Gulick, J.K.P.Lee, D.Seweryniak, W.Trimble

Precise measurement of the 64Ge mass and its effect on the rp process

ATOMIC MASSES 64Ge, 64Ga; measured mass. Penning trap mass spectrometer. Astrophysical implications discussed.

doi: 10.1103/PhysRevC.75.032801
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2006SA56      Int.J. Mass Spectrom. 251, 252 (2006)

G.Savard, J.C.Wang, K.S.Sharma, H.Sharma, J.A.Clark, C.Boudreau, F.Buchinger, J.E.Crawford, J.P.Greene, S.Gulick, A.A.Hecht, J.K.P.Lee, A.F.Levand, N.D.Scielzo, W.Trimble, J.Vaz, B.J.Zabransky

Studies of neutron-rich isotopes with the CPT mass spectrometer and the CARIBU project

ATOMIC MASSES 141,142,143,144,145,146,147Ba, 143,144,145,146,147,148La, 145,146,147,148,149,150,151Ce, 148,149,150,151,152,153Pr; measured masses with the Canadian Penning Trap (CPT) mass spectrometer and reviewed the CARIBU Project. Isotopes produced from fission of 252Cf. Comparisons with 1995 and 2003 mass evaluations.

doi: 10.1016/j.ijms.2006.01.047
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2005CL08      Eur.Phys.J. A 25, Supplement 1, 629 (2005)

J.A.Clark, R.C.Barber, B.Blank, C.Boudreau, F.Buchinger, J.E.Crawford, J.P.Greene, S.Gulick, J.C.Hardy, A.A.Hecht, A.Heinz, J.K.P.Lee, A.F.Levand, B.F.Lundgren, R.B.Moore, G.Savard, N.D.Scielzo, D.Seweryniak, K.S.Sharma, G.D.Sprouse, W.Trimble, J.Vaz, J.C.Wang, Y.Wang, B.J.Zabransky, Z.Zhou

Investigating the rp-process with the Canadian Penning trap mass spectrometer

ATOMIC MASSES 64Ge, 68Se; analyzed masses; deduced effective T1/2. 90,91Mo, 90,91,92,93Tc, 93,94Ru, 94,95Rh, 104,105,106,107In, 104,105,107,108Sn, 107,108Sb; measured masses. Penning trap, astrophysical implications discussed.

doi: 10.1140/epjad/i2005-06-172-3
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2005SA44      Phys.Rev.Lett. 95, 102501 (2005)

G.Savard, F.Buchinger, J.A.Clark, J.E.Crawford, S.Gulick, J.C.Hardy, A.A.Hecht, J.K.P.Lee, A.F.Levand, N.D.Scielzo, H.Sharma, K.S.Sharma, I.Tanihata, A.C.C.Villari, Y.Wang

Q Value of the Superallowed Decay of 46V and Its Influence on Vud and the Unitarity of the Cabibbo-Kobayashi-Maskawa Matrix

ATOMIC MASSES 46Ti, 46V; measured masses; deduced Q(EC). Penning trap mass spectrometer.

RADIOACTIVITY 46V(EC); analyzed masses; deduced Q(EC), log ft. 10C, 14O, 22Mg, 26mAl, 34Cl, 34Ar, 38mK, 42Sc, 46V, 50Mn, 54Co, 74Rb; compiled, analyzed log ft; deduced quark-mixing matrix element.

doi: 10.1103/PhysRevLett.95.102501
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2005SH52      Eur.Phys.J. A 25, Supplement 1, 45 (2005)

K.S.Sharma, J.Vaz, R.C.Barber, F.Buchinger, J.A.Clark, J.E.Crawford, H.Fukutani, J.P.Greene, S.Gulick, A.Heinz, J.K.P.Lee, G.Savard, Z.Zhou, J.C.Wang

Atomic mass ratios for some stable isotopes of platinum relative to 197Au

ATOMIC MASSES 194,195,196,198Pt; measured masses. Penning trap mass spectrometer.

doi: 10.1140/epjad/i2005-06-191-0
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2004CL03      Phys.Rev.Lett. 92, 192501 (2004)

J.A.Clark, G.Savard, K.S.Sharma, J.Vaz, J.C.Wang, Z.Zhou, A.Heinz, B.Blank, F.Buchinger, J.E.Crawford, S.Gulick, J.K.P.Lee, A.F.Levand, D.Seweryniak, G.D.Sprouse, W.Trimble

Precise Mass Measurement of 68Se, a Waiting-Point Nuclide along the rp Process

ATOMIC MASSES 68Ge, 68As, 68Se; measured masses. Penning trap mass spectrometer. Astrophysical implications discussed.

doi: 10.1103/PhysRevLett.92.192501
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2004CL07      Nucl.Phys. A746, 342c (2004)

J.A.Clark, R.C.Barber, B.Blank, C.Boudreau, F.Buchinger, J.E.Crawford, S.Gulick, J.C.Hardy, A.Heinz, J.K.P.Lee, A.F.Levand, R.B.Moore, G.Savard, D.Seweryniak, K.S.Sharma, G.D.Sprouse, W.Trimble, J.Vaz, J.C.Wang, Z.Zhou

Precise mass measurements of astrophysical interest made with the Canadian Penning trap mass spectrometer

ATOMIC MASSES 68Se, 141,142,143,144,145,146,147Ba, 143,144,145,146,147,148La, 145,146,147,148,149,150,151Ce, 148,149,150,151,152,153Pr; measured masses. Penning trap mass spectrometer.

doi: 10.1016/j.nuclphysa.2004.09.051
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2004SA53      Phys.Rev. C 70, 042501 (2004)

G.Savard, J.A.Clark, F.Buchinger, J.E.Crawford, S.Gulick, J.C.Hardy, A.A.Hecht, V.E.Iacob, J.K.P.Lee, A.F.Levand, B.F.Lundgren, N.D.Scielzo, K.S.Sharma, I.Tanihata, I.S.Towner, W.Trimble, J.C.Wang, Y.Wang, Z.Zhou

Q value of the superallowed decay of 22Mg and the calibration of the 21Na(p, γ) experiment

ATOMIC MASSES 18O, 22Mg, 22Na; measured masses. 22Mg deduced Q(EC), ft. Penning trap spectrometer.

doi: 10.1103/PhysRevC.70.042501
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2004TR14      Nucl.Phys. A746, 415c (2004)

W.Trimble, G.Savard, B.Blank, J.A.Clark, F.Buchinger, T.Cocolios, J.E.Crawford, A.Frankel, J.P.Greene, S.Gulick, J.K.P.Lee, A.Levand, M.Portillo, K.S.Sharma, J.C.Wang, B.J.Zabransky, Z.Zhou, and the S258 Collaboration

Development and first on-line tests of the RIA gas catcher prototype

doi: 10.1016/j.nuclphysa.2004.09.110
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2004WA34      Nucl.Phys. A746, 651c (2004)

J.C.Wang, G.Savard, K.S.Sharma, J.A.Clark, Z.Zhou, A.F.Levand, C.Boudreau, F.Buchinger, J.E.Crawford, J.P.Greene, S.Gulick, J.K.P.Lee, G.D.Sprouse, W.Trimble, J.Vaz, B.Z.Zabransky

The Canadian Penning Trap mass spectrometer

doi: 10.1016/j.nuclphysa.2004.09.044
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2003BA49      Phys.Rev. C 67, 064316 (2003)

D.K.Barillari, J.V.Vaz, R.C.Barber, K.S.Sharma

Atomic mass determinations for 183W and 199Hg and the mercury problem

ATOMIC MASSES 183W, 199Hg; measured masses. 198,200,202,204Hg; calculated masses. Comparisons with previous results.

doi: 10.1103/PhysRevC.67.064316
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2001MA99      Hyperfine Interactions 132, 521 (2001)

M.Maier, C.Boudreau, F.Buchinger, J.A.Clark, J.E.Crawford, J.Dilling, H.Fukutani, S.Gulick, J.K.P.Lee, R.B.Moore, G.Savard, J.Schwartz, K.S.Sharma

Stopping, Trapping and Cooling of Radioactive Fission Fragments in a Ion Catcher Device

doi: 10.1023/A:1011999501739
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2001SA73      Hyperfine Interactions 132, 223 (2001)

G.Savard, R.C.Barber, C.Boudreau, F.Buchinger, J.Caggiano, J.Clark, J.E.Crawford, H.Fukutani, S.Gulick, J.C.Hardy, A.Heinz, J.K.P.Lee, R.B.Moore, K.S.Sharma, J.Schwartz, D.Seweryniak, G.D.Sprouse, J.Vaz

The Canadian Penning Trap Spectrometer at Argonne

doi: 10.1023/A:1011986930931
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1999SA76      Nucl.Phys. (Supplement) A654, 961c (1999)

G.Savard, R.C.Barber, F.Buchinger, J.E.Crawford, X.Feng, S.Gulick, G.Hackman, J.C.Hardy, J.K.P.Lee, R.B.Moore, K.S.Sharma, J.Uusitalo

Weak Interaction Studies with an On-Line Penning Trap Mass Spectrometer

doi: 10.1016/S0375-9474(00)88581-4
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1997KO65      Nucl.Instrum.Methods Phys.Res. A401, 289 (1997)

V.T.Koslowsky, E.Hagberg, J.C.Hardy, G.Savard, H.Schmeing, K.S.Sharma, X.J.Sun

The Half-Lives of 42Sc, 46V, 50Mn and 54Co

RADIOACTIVITY 42Sc, 46V, 50Mn, 54Co(β+) [from 42Ca, 46Ti, 50Cr, 54Fe(p, n)]; measured T1/2. Mass-separated sources.

doi: 10.1016/S0168-9002(97)01017-6
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1997SA60      Nucl.Phys. A626, 353c (1997)

G.Savard, R.C.Barber, D.Beeching, F.Buchinger, J.E.Crawford, S.Gulick, X.Feng, E.Hagberg, J.C.Hardy, V.T.Koslowsky, J.K.P.Lee, R.B.Moore, K.S.Sharma, M.Watson

The Canadian Penning Trap Mass Spectrometer

doi: 10.1016/S0375-9474(97)00557-5
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1994HY01      Phys.Rev. C50, 1249 (1994)

J.G.Hykawy, R.C.Barber, K.S.Sharma, K.J.Aarts, J.N.Nxumalo, H.E.Duckworth

Comment on ' Masses of Stable Xenon Isotopes: Check for internal consistency via ion cyclotron resonance mass spectrometry '

NUCLEAR STRUCTURE 129,130,131,132,134,136Xe; compiled, reviewed mass data, evaluations.

ATOMIC MASSES 129,130,131,132,134,136Xe; compiled, reviewed mass data, evaluations.

doi: 10.1103/PhysRevC.50.1249
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1993HY02      Nucl.Instrum.Methods Phys.Res. A329, 423 (1993)

J.G.Hykawy, J.N.Nxumalo, P.P.Unger, C.A.Lander, R.D.Peters, R.C.Barber, K.S.Sharma, H.E.Duckworth

Precise Determination of the Mass Difference 76Ge - 76Se and a Derived Upper Limit on the Majorana Mass of the Electron Neutrino

ATOMIC MASSES 76Ge, 76Se; measured mass difference; deduced electron neutrino Majorana mass upper limit. 74Se, 74Ge; analyzed data; deduced mass difference. High resolution mass spectrometer.

doi: 10.1016/0168-9002(93)91277-T
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1993HY03      Nucl.Instrum.Methods Phys.Res. A335, 497 (1993)

J.G.Hykawy, R.C.Barber, K.S.Sharma

Detector Response and the 17 keV Neutrino

RADIOACTIVITY 35S(β-); 45Ca(β-); calculated β-shape functions; deduced detector response consequence on proposed 17 keV neutrino.

doi: 10.1016/0168-9002(93)91235-F
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1993NX01      Phys.Lett. 302B, 13 (1993)

J.N.Nxumalo, J.G.Hykawy, P.P.Unger, C.A.Lander, R.C.Barber, K.S.Sharma, H.E.Duckworth

Energy Available for the Double Beta Decay of 82Se

ATOMIC MASSES 82Se, 82Kr; measured mass difference. High resolution mass spectrometer.

doi: 10.1016/0370-2693(93)90627-T
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1993NX02      Phys.Lett. 312B, 388 (1993)

J.N.Nxumalo, J.G.Hykawy, K.J.Aarts, R.C.Barber, K.S.Sharma, H.E.Duckworth

The Atomic Mass of 28Si

ATOMIC MASSES 28Si; measured atomic mass. High resolution mass spectrometer.

doi: 10.1016/0370-2693(93)90972-K
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1993SI05      Nucl.Instrum.Methods Phys.Res. A330, 195 (1993)

M.H.Sidky, J.G.Hykawy, G.R.Dyck, B.J.Hall, R.C.Barber, K.S.Sharma, C.A.Lander, H.E.Duckworth

Precise Atomic Mass Differences in Pb and Tl and the Decay Energy for 205Pb

ATOMIC MASSES 205Pb, 205Tl; measured mass doublets spacing. 205Pb, 205Tl deduced mass difference. Precise measurement, high resolution mass spectrometer.

doi: 10.1016/0168-9002(93)91322-E
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1992HA43      Nucl.Instrum.Methods Phys.Res. B70, 546 (1992)

E.Hagberg, K.S.Sharma, G.R.Dyck, V.T.Koslowsky, P.P.Unger, J.C.Hardy, H.Schmeing, R.C.Barber

Indirect Measurements of Beam-Energy Differences for Various Species of Ions Extracted from a FEBIAD Source

NUCLEAR REACTIONS 92Mo(19F, X), E=98 MeV; 92Mo(16O, X), E=92 MeV; 92Mo(14N, X), E=70 MeV; compiled, reviewed mass 106, 107, 108 radioactive beam production data; deduced beam energy differences for various ion species.

doi: 10.1016/0168-583X(92)95980-6
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1991HY01      Phys.Rev.Lett. 67, 1708 (1991)

J.G.Hykawy, J.N.Nxumalo, P.P.Unger, C.A.Lander, R.C.Barber, K.S.Sharma, R.D.Peters, H.E.Duckworth

Precise Determination of the Mass Difference 76Ge-76Se and a Derived Upper Limit on the Mass for the Electron Neutrino

ATOMIC PHYSICS 76Ge, 76Se; measured mass difference; deduced electron neutrino mass upper limit. High resolution mass spectrometer.

NUCLEAR STRUCTURE 76Ge, 76Se; analyzed mass difference data; deduced electron neutrino mass upper limit.

doi: 10.1103/PhysRevLett.67.1708
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1991SH19      Phys.Rev. C44, 2439 (1991)

K.S.Sharma, E.Hagberg, G.R.Dyck, J.C.Hardy, V.T.Koslowsky, H.Schmeing, R.C.Barber, S.Yuan, W.Perry, M.Watson

Masses of 103,104,105In and 72,73Br

NUCLEAR REACTIONS 92Mo(16O, X), E=63 MeV; measured mass specific γ-spectra. 103,104,105In, 72,73Br deduced mass ratios. 104In, 72Br deduced masses. On-line isotope separation, mass-spectrometric techniques, other data input.

doi: 10.1103/PhysRevC.44.2439
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1990DY04      Phys.Lett. 245B, 343 (1990)

G.R.Dyck, M.H.Sidky, J.G.Hykawy, C.A.Lander, K.S.Sharma, R.C.Barber, H.E.Duckworth

Energies Available for the Double-Beta Decay of 130Te and 128Te

ATOMIC MASSES 128,130Xe, 128,130Te; measured mass differences; deduced double β-decay Q-value. Other data analyzed, high resolution doublet measurement.

NUCLEAR STRUCTURE 128,130,126,124Te, 128,130Xe; analyzed mass differences data; deduced 2β-decay Q-value.

doi: 10.1016/0370-2693(90)90656-Q
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1989CL02      Nucl.Phys. A493, 293 (1989)

E.T.H.Clifford, E.Hagberg, J.C.Hardy, H.Schmeing, R.E.Azuma, H.C.Evans, V.T.Koslowsky, U.J.Schrewe, K.S.Sharma, I.S.Towner

The Decay of 20Na: Measurements of isospin mixing and the weak vector coupling constant as well as other new decay data

RADIOACTIVITY 20Na [from 12C(10B, 2n), mass separation]; measured β+ rays, β-delayed Eα, Iα, Eγ, Iγ, T1/2, I(Eγ), (βα)-coin; deduced ft values, βνα-triple correlation coefficients, vector weak coupling constants. 20Ne deduced branching ratios, Gamow-Teller matrix elements, levels, isospin mixing amplitudes. Natural target, Ge(Li), Si surface barrier detectors, NE102A plastic scintillator-Si surface barrier detector telescopes.

doi: 10.1016/0375-9474(89)90399-0
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1989SH10      Nucl.Instrum.Methods Phys.Res. A275, 123 (1989)

K.S.Sharma, H.Schmeing, H.C.Evans, E.Hagberg, J.C.Hardy, V.T.Koslowsky

The Direct Determination of the Masses of Unstable Atoms with the Chalk River On-Line Isotope Separator

ATOMIC MASSES 72Br, 63Ga; measured masses. On-line isotope separator.

doi: 10.1016/0168-9002(89)90342-2
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1987KO34      Nucl.Phys. A472, 419 (1987)

V.T.Koslowsky, J.C.Hardy, E.Hagberg, R.E.Azuma, G.C.Ball, E.T.H.Clifford, W.G.Davies, H.Schmeing, U.J.Schrewe, K.S.Sharma

The Precise Determination of Q(EC)-Value Differences between Four Pairs of Superallowed β-Emitters: 14O and 26mAl, 26mAl and 42Sc, 42Sc and 54Co, 50Mn and 54Co

NUCLEAR REACTIONS 14N, 26Mg(3He, t), E=25 MeV; 50Cr, 54Fe(3He, t), E=29 MeV; 26Mg, 42Ca(3He, t), E=18.86 MeV; 42Ca, 54Fe(3He, t), E=18.89 MeV; measured triton energy differences; deduced Q-value differences. 14O, 26mAl, 42Sc, 54Co, 50Mn deduced Q(EC) differences. Q3D spectrometer, enriched composite targets, high voltage target assembly.

doi: 10.1016/0375-9474(87)90041-8
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1986SH21      Phys.Lett. 176B, 289 (1986)

D.P.Shelton, K.S.Sharma, R.C.Barber

The 3H-3He Atomic Mass Difference from Mass Spectrometry Requires No Correction for the Metastable 22S1/2 State of 3He+

ATOMIC MASSES 3H, 3He; analyzed mass difference data; deduced no 3He+ metastable state correction. Mass spectrometric data.

doi: 10.1016/0370-2693(86)90165-6
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1985DE40      Can.J.Phys. 63, 966 (1985)

V.P.Derenchuk, R.J.Ellis, K.S.Sharma, R.C.Barber, H.E.Duckworth

Precise Atomic Mass differences amongst Isotopes of Hg, Tl, Pb, and Bi (and a least-squares mass evaluation for 78 ≤ Z ≤ 84)

ATOMIC MASSES 203,205Tl; 206,204,208,202,207Pb, 209Bi, 201Hg; measured atomic mass differences. Doublet technique, high resolution mass spectrometer. 194,195,196,197,198,199Pt, 194,195,196,197,198,199,200,201Au, 194,195,196,197,198,199,200,201,202,203,204,205Hg, 200,201,202,203,204,205,206,207,208Tl, 202,203,204,205,206,207,208,209,210Pb, 205,206,207,208,209,210Bi, 208,209,210Po; analyzed data; deduced adjusted atomic masses.

doi: 10.1139/p85-158
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1985DY04      Phys.Lett. 157B, 139 (1985)

G.R.Dyck, R.J.Ellis, K.S.Sharma, C.A.Lander, M.H.Sidky, R.C.Barber, H.E.Duckworth

Atomic Mass Differences in Gadolinium and Terbium and the K-Capture of 158Tb as an Indicator of Neutrino Mass

RADIOACTIVITY 158Tb(EC), (β-); analyzed decay data. 158Gd level deduced K-capture preclusion.

ATOMIC MASSES 156,160,158,157,155Gd, 159Tb; measured doublet spacings; deduced mass differences. High resolution mass spectrometer, chloride compounds. Nuclear reaction, Q-decay data input.

doi: 10.1016/0370-2693(85)91533-3
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1985EL01      Nucl.Phys. A435, 34 (1985)

R.J.Ellis, R.C.Barber, G.R.Dyck, B.J.Hall, K.S.Sharma, C.A.Lander, H.E.Duckworth

Precise Atomic Mass Difference Determinations between Some Stable Isotopes of Ge, As and Se

ATOMIC MASSES 70,72,73,74,76Ge, 75As, 74,75,76,77,78,80,82Se; measured mass differences. 76Ge, 74Se deduced two β-decay energies. 72,74,76Ge, 76,78,80,82Se deduced two-neutron separation energies. High precision.

doi: 10.1016/0375-9474(85)90300-8
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1985SH29      J.Phys.(London) C18, 2935 (1985)

K.K.Sharma, L.E.Erickson

Optically Detected Nuclear Magnetic Resonance of LiYF4:Eu3+ in the Ground Electronic State 7F0

NUCLEAR MOMENTS 151,153Eu; measured NMR; deduced hyperfine interaction term. 151,153Eu deduced quadrupole moment ratio. Optical r.f. double-resonance technique.

doi: 10.1088/0022-3719/18/14/023
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1984EL01      Phys.Lett. 136B, 146 (1984)

R.J.Ellis, B.J.Hall, G.R.Dyck, C.A.Lander, K.S.Sharma, R.C.Barber, H.E.Duckworth

Energy Available for the Double Beta-Decay of 76Ge

ATOMIC MASSES 76Ge, 76Se; measured atomic mass difference; deduced 76Ge neutrionoless two-β decay implications. High resolution mass spectrometer.

doi: 10.1016/0370-2693(84)91168-7
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1984EL05      Phys.Lett. 141B, 306 (1984)

R.J.Ellis, K.S.Sharma, R.C.Barber, S.R.Loewen, H.E.Duckworth

The Precise Atomic Masses of 10B and 11B

ATOMIC MASSES 10,11B; measured atomic masses. High resolution mass spectrometer, doublet technique, CH3NH2BCl3, CCl4 samples.

doi: 10.1016/0370-2693(84)90250-8
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1984HA20      Phys.Lett. 138B, 260 (1984)

B.J.Hall, R.J.Ellis, G.R.Dyck, C.A.Lander, R.Beach, K.S.Sharma, R.C.Barber, H.E.Duckworth

Precise Atomic Mass Determinations at Mass 124

ATOMIC MASSES 124Xe, 124Sn, 124Te, 54Fe, 13C, 37Cl; measured mass differences. 124Xe, 124Sn deduced double β-decay energies. 124Xe, 124Sn, 124Xe, 54Fe deduced masses. High resolution spectrometer, doublet technique.

doi: 10.1016/0370-2693(84)91654-X
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1984SC06      Z.Phys. A315, 49 (1984)

U.J.Schrewe, E.Hagberg, H.Schmeing, J.C.Hardy, V.T.Koslowsky, K.S.Sharma

Alpha Decay of Neutron-Deficient Rhenium and Osmium Isotopes

NUCLEAR REACTIONS, ICPND 144Sm(27Al, 2n), (27Al, 3n), (27Al, 4n), (27Al, 5n), (27Al, 6n), E=130 MeV; 144Sm(28Si, 2n), (28Si, 3n), (28Si, 4n), (28Si, 5n), (28Si, 6n), E=155 MeV; measured residuals yields vs compound nucleus excitation. 144Sm(28Si, xn), E=130, 140, 145, 150, 155 MeV; measured Eα.Iα. 144Sm(27Al, xn), E=138, 150 MeV; measured Eα, Iα.

RADIOACTIVITY 168,169,170Os(α) [from 144Sm(28Si, xn), E=130-155 MeV]; 168,168m,167,166,169mRe(α) [from 144Sm(27Al, xn), E=138, 150 MeV]; measured Eα, Iα, T1/2.

doi: 10.1007/BF01436208
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1983CL01      Phys.Rev.Lett. 50, 23 (1983)

E.T.H.Clifford, J.C.Hardy, H.Schmeing, R.E.Azuma, H.C.Evans, T.Faestermann, E.Hagberg, K.P.Jackson, V.T.Koslowsky, U.J.Schrewe, K.S.Sharma, I.S.Towner

Kinematic Shifts in the β-Delayed Particle Decay of 20Na, and the β-ν Angular Correlation

RADIOACTIVITY 20Na(β+), (EC) [from 12C(10B, 2n), E=50 MeV]; measured βν(θ), βνα-coin; deduced β-delayed α-particle kinematic shifts, triple correlation coefficient; deduced superallowed β-decay vector weak coupling constant.

doi: 10.1103/PhysRevLett.50.23
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1983KO22      Nucl.Phys. A405, 29 (1983)

V.T.Koslowsky, E.Hagberg, J.C.Hardy, R.E.Azuma, E.T.H.Clifford, H.C.Evans, H.Schmeing, U.J.Schrewe, K.S.Sharma

The Half-Lives of 26mAl, 34Cl, 38mK: Precision measurements with isotope-separated samples

RADIOACTIVITY 26mAl(β+) [from 12C(16O, pn)]; 34Cl(β+) [from 12C(28Si, 3p3n)]; 38mK(β+) [from 12C(28Si, pn)]; measured T1/2. 4π gas proportional counter, mass separated sources.

doi: 10.1016/0375-9474(83)90321-4
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1983SC18      Z.Phys. A310, 295 (1983)

U.J.Schrewe, E.Hagberg, H.Schmeing, J.C.Hardy, V.T.Koslowsky, K.S.Sharma

164Ta, Identification of a New Isotope

NUCLEAR REACTIONS 127I(40Ca, 3n), E=160-180 MeV; measured Eγ, Iγ, Eα, Iα, γγ-, X-ray(γ)-coin, X-ray, γ yields vs E. 164Ta deduced T1/2, α-branching, α-reduced width. 164Hf deduced possible α-transitions.

doi: 10.1007/BF01419515
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1982HA32      Nucl.Phys. A383, 109 (1982)

E.Hagberg, J.C.Hardy, H.Schmeing, H.C.Evans, U.J.Schrewe, V.T.Koslowsky, K.S.Sharma, E.T.H.Clifford

The Decay of a New Nuclide: 71Br

RADIOACTIVITY 71Br [from 40Ca(35Cl, 2n2p), mass separation]; measured T1/2, Eγ, Iγ, γγ-coin. 71Se deduced levels, T1/2, transition, possible J, π, γ-multipolarity. Ge(Li), Ge detectors.

doi: 10.1016/0375-9474(82)90079-3
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1982KO28      Phys.Lett. 119B, 57 (1982)

V.T.Koslowsky, J.C.Hardy, R.E.Azuma, G.C.Ball, E.T.H.Clifford, W.G.Davies, E.Hagberg, H.Schmeing, U.J.Schrewe, K.S.Sharma

Fermi Beta-Decay: Precision Q-value doublet measurements by a new technique

NUCLEAR REACTIONS 14N, 26Mg(3He, t), E not given; measured σ(Et, θ=0°), Q-value difference. 26mAl, 14O deduced superallowed β-decay Q(EC) difference, ft. Doublet technique.

doi: 10.1016/0370-2693(82)90242-8
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1982SC15      Phys.Rev. C25, 3091 (1982)

U.J.Schrewe, E.Hagberg, H.Schmeing, J.C.Hardy, V.T.Koslowsky, K.S.Sharma, E.T.H.Clifford

Decay Studies of the New Isotopes 162,163Hf

RADIOACTIVITY 162,163Hf [from 142Nd(24Mg, xn), E=105-133 MeV]; measured Eγ, Iγ, Eα, Iα, γγ-coin, T1/2. 162Hf deduced reduced α-width, Qα, α-branching, mass excess. 163Lu deduced levels, γ-branching, γ-multipolarity. 162Lu deduced levels, γ-branching. Helium jet, hyperpure Ge, Ge(Li), Si surface barrier detectors.

NUCLEAR REACTIONS 142Nd, 141Pr(24Mg, xn), E=110-130 MeV; measured production σ(E) for 163,162,161Hf, 162,161,160Lu. Activation technique.

doi: 10.1103/PhysRevC.25.3091
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1981ER13      Phys.Rev. B24, 3697 (1981)

L.E.Erickson, K.K.Sharma

Nuclear Quadrupole Resonance Measurement of the Anisotropic Magnetic Shielding and Quadrupole Coupling Constants of 151Eu3+ and 153Eu3+ Dilute in YAlO3 Single Crystal

NUCLEAR MOMENTS 151,153Eu; measured NQR spectra; deduced quadrupole interaction parameters, anisotropic magnetic shielding factors. 151,153Eu deduced quadrupole moment ratio.

doi: 10.1103/PhysRevB.24.3697
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1980KO25      Can.J.Phys. 58, 1311 (1980)

K.S.Kozier, K.S.Sharma, R.C.Barber, J.W.Barnard, R.J.Ellis, V.P.Derenchuk, H.E.Duckworth

Precise Atomic Masses and Mass Differences for Mercury

ATOMIC MASSES 196,198,199,200,201,202,204Hg; measured masses, mass differences. Chloride doublets, high resolution mass spectrometer.

doi: 10.1139/p80-169
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1980SH06      Phys.Lett. 91B, 211 (1980)

K.S.Sharma, R.J.Ellis, V.P.Derenchuk, R.C.Barber, H.E.Duckworth

Atomic Mass of 180Ta, a Naturally Occurring Isomer

ATOMIC MASSES Hf, Ta, W; measured isotope mass differences, mass-spectroscopic doublet method. 180Ta deduced long-lived isomer is excited state.

doi: 10.1016/0370-2693(80)90433-5
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1979KO10      Can.J.Phys. 57, 266 (1979)

K.S.Kozier, K.S.Sharma, R.C.Barber, J.W.Barnard, R.J.Ellis, V.P.Derenchuk, H.E.Duckworth

Precise Atomic Masses for Titanium

ATOMIC MASSES 47,48Ti; measured masses, doublets C, Cl. Mass spectroscopic method.

doi: 10.1139/p79-034
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1977BA10      Can.J.Phys. 55, 200 (1977)

J.W.Barnard, P.Williams, R.C.Barber, S.S.Haque, K.S.Kozier, K.S.Sharma, H.E.Duckworth

Precise Single Neutron Separation Energies of Ti, Fe, and Zn

NUCLEAR STRUCTURE 67Zn, 57Fe, 47,48,49,50Ti; measured neutron separation energy.

doi: 10.1139/p77-028
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1977SH04      Can.J.Phys. 55, 506 (1977)

K.S.Sharma, K.S.Kozier, J.W.Barnard, R.C.Barber, S.S.Haque, H.E.Duckworth

Precise Atomic Masses and Mass Differences for W and Re

ATOMIC MASSES 180,182,183,184,186W, 185,187Re; measured mass. 186Re deduced Q. 183,184,185,186,187W deduced neutron separation energies.

doi: 10.1139/p77-069
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1977SH12      Can.J.Phys. 55, 1360 (1977)

K.S.Sharma, J.O.Meredith, R.C.Barber, K.S.Kozier, S.S.Haque, J.W.Barnard, F.C.G.Southon, P.Williams, H.E.Duckworth

Nucleon Separation and Pairing Energies, Decay Energies, and Atomic Masses for 68 ≤ Z ≤ 72

COMPILATION Z=68-72; compiled, evaluated data, calculated Sn, Sp, Qβ, Qα, 2-neutron, 2-proton separation energies, mass defect.

doi: 10.1139/p77-175
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1973BA40      Phys.Rev.Lett. 31, 728 (1973)

R.C.Barber, J.O.Meredith, F.C.G.Southon, P.Williams, J.W.Barnard, K.Sharma, H.E.Duckworth

Spacing of Nuclear Ground-State Levels in the Region 94 < N < 114

ATOMIC MASSES 174Hf, 180W; measured masses, deduced double neutron seperation energies.

doi: 10.1103/PhysRevLett.31.728
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