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NSR database version of March 21, 2024.

Search: Author = K.Starosta

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2023WI06      Phys.Rev. C 108, L051305 (2023)

J.Williams, G.Hackman, K.Starosta, R.S.Lubna, P.Choudhary, P.C.Srivastava, C.Andreoiu, D.Annen, H.Asch, M.D.H.K.G.Badanage, G.C.Ball, M.Beuschlein, H.Bidaman, V.Bildstein, R.Coleman, A.B.Garnsworthy, B.Greaves, G.Leckenby, V.Karayonchev, M.S.Martin, C.Natzke, C.M.Petrache, A.Radich, E.Raleigh-Smith, D.Rhodes, R.Russell, M.Satrazani, P.Spagnoletti, C.E.Svensson, D.Tam, F.Wu, D.Yates, Z.Yu

Identifying the spin-trapped character of the 32Si isomeric state

doi: 10.1103/PhysRevC.108.L051305
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2022SM02      Phys.Rev. C 106, 014312 (2022)

J.Smallcombe, A.B.Garnsworthy, W.Korten, P.Singh, F.A.Ali, C.Andreoiu, S.Ansari, G.C.Ball, C.J.Barton, S.S.Bhattacharjee, M.Bowry, R.Caballero-Folch, A.Chester, S.A.Gillespie, G.F.Grinyer, G.Hackman, C.Jones, B.Melon, M.Moukaddam, A.Nannini, P.Ruotsalainen, K.Starosta, C.E.Svensson, R.Wadsworth, J.Williams

Improved measurement of the 02+ → 01+ E0 transition strength for 72Se using the SPICE spectrometer

NUCLEAR REACTIONS 40Ca(36Ar, 4p), E=120 MeV from TRIUMF-ISAC-II linear accelerator; measured reaction products, Eγ, Iγ, ce, γγ-coin, (ce)γ-coin, and (ce)γ(t) using TIGRESS array of 12 HPGe clover detectors for γ detection, and SPICE array and a Si(Li) detector for conversion electrons. 72Se; deduced levels, T1/2 of 937, 0+ level, I(937, E0)/I(γ+ce)(75γ, E2) ratio, qK2(E0/E2) and ρ2(E0, 937) transition strength. Comparison with previous experimental results, and with two state mixing theoretical calculations for the g.s. and the first 2+ state. Systematics of experimental B(E2) and ρ2(E0) strengths in 66,68,70,72,74Ge, 68,70,72,74,76Se, 70,72,74,76,78Kr.

doi: 10.1103/PhysRevC.106.014312
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2020WI11      Phys.Rev. C 102, 064302 (2020)

J.Williams, G.C.Ball, A.Chester, P.Choudhary, T.Domingo, A.B.Garnsworthy, G.Hackman, J.Henderson, R.Henderson, R.Krucken, R.S.Lubna, J.Measures, O.Paetkau, J.Park, J.Smallcombe, P.C.Srivastava, K.Starosta, C.E.Svensson, K.Whitmore, M.Williams

High-spin structure of the sd shell nuclei 25Na and 22Ne

NUCLEAR REACTIONS 12C(18O, pα)25Na, (18O, 2α)22Ne, E=48 MeV; measured Eγ, Iγ, charged particles, γγ- and (particle)γ-coin, γ(θ), level half-lives by DSAM using TIGRESS array of 13 Compton suppressed HPGe clovers and a 38-element array of CsI(Tl) scintillators at the TRIUMF-ISAC facility. 22Ne, 25Na; deduced levels, J, π, multipolarities, B(E1), B(E2). Comparison with shell model calculations using the USDB, SDPF-MU, YSOX and FSU interactions, and with previous experimental results. Calculated proton and neutron occupancies for selected one-particle-one-hole states in 25Na, using the FSU interaction.

doi: 10.1103/PhysRevC.102.064302
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2019MA29      Phys.Rev. C 99, 044320 (2019)

A.Matta, W.N.Catford, N.A.Orr, J.Henderson, P.Ruotsalainen, G.Hackman, A.B.Garnsworthy, F.Delaunay, R.Wilkinson, G.Lotay, Na.Tsunoda, T.Otsuka, A.J.Knapton, G.C.Ball, N.Bernier, C.Burbadge, A.Chester, D.S.Cross, S.Cruz, C.Aa.Diget, T.Domingo, T.E.Drake, L.J.Evitts, F.H.Garcia, S.Hallam, E.MacConnachie, M.Moukaddam, D.Muecher, E.Padilla-Rodal, O.Paetkau, J.Park, J.L.Pore, U.Rizwan, J.Smallcombe, J.K.Smith, K.Starosta, C.E.Svensson, J.Williams, M.Williams

Shell evolution approaching the N-20 island of inversion: Structure of 29Mg

NUCLEAR REACTIONS 2H(28Mg, p), E=8.0 MeV/nucleon, [secondary 28Mg beam from C(p, X), E=520 MeV primary reaction at the ISAC2 of TRIUMF]; measured Ep, Ip, Eγ, Iγ, (recoil)γ-coin, and differential σ(θ) using SHARC array of double-sided silicon strip detectors, TIGRESS array of HPGe detectors, and TRIFOIL plastic scintillator. 29Mg; deduced levels, J, π, spectroscopic factors. Comparison with shell model calculations. Systematics of intruder states in 25,27,29,31Mg.

NUCLEAR STRUCTURE 29Mg; calculated levels, J, π, neutron occupancies using shell model with EEdf1 interaction. Comparison with experimental data.

doi: 10.1103/PhysRevC.99.044320
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2019RU02      Phys.Rev. C 99, 051301 (2019)

P.Ruotsalainen, J.Henderson, G.Hackman, G.H.Sargsyan, K.D.Launey, A.Saxena, P.C.Srivastava, S.R.Stroberg, T.Grahn, J.Pakarinen, G.C.Ball, R.Julin, P.T.Greenlees, J.Smallcombe, C.Andreoiu, N.Bernier, M.Bowry, M.Buckner, R.Caballero-Folch, A.Chester, S.Cruz, L.J.Evitts, R.Frederick, A.B.Garnsworthy, M.Holl, A.Kurkjian, D.Kisliuk, K.G.Leach, E.McGee, J.Measures, D.Mucher, J.Park, F.Sarazin, J.K.Smith, D.Southall, K.Starosta, C.E.Svensson, K.Whitmore, M.Williams, C.Y.Wu

Isospin symmetry in B(E2) values: Coulomb excitation study of 21Mg

NUCLEAR REACTIONS 196Pt(21Mg, 21Mg'), E=95 MeV; 110Pd(21Mg, 21Mg'), E=67 MeV; measured Eγ, Iγ, (particle)γ-coin, Coulomb excitation yields, half-life of the 1/2+ state in 21Mg using BAMBINO array for particle detection, and TIGRESS array for γ rays from Coulomb excited 21Mg states at TRIUMF-ISAC-II facility. 21Mg; deduced levels, J, π, Coulomb-excitation yields, E2 matrix elements, B(E2). GOSIA least-squares fit analysis. Systematics of 5/2+ to 1/2+ B(E2) values in T=-3/2 and +3/2 mirror nuclei: 21Mg, 21Fl; 25Si, 25Na; 29S, 29Al; 33Ar, 33P; 37Ca, 37Cl. Comparison with shell-model calculations with isospin conserving and breaking USD interactions, and using modern ab initio approach.

doi: 10.1103/PhysRevC.99.051301
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2019TI02      Phys.Rev.Lett. 122, 062501 (2019)

J.Timar, Q.B.Chen, B.Kruzsicz, D.Sohler, I.Kuti, S.Q.Zhang, J.Meng, P.Joshi, R.Wadsworth, K.Starosta, A.Algora, P.Bednarczyk, D.Curien, Zs.Dombradi, G.Duchene, A.Gizon, J.Gizon, D.G.Jenkins, T.Koike, A.Krasznahorkay, J.Molnar, B.M.Nyako, E.S.Paul, G.Rainovski, J.N.Scheurer, A.J.Simons, C.Vaman, L.Zolnai

Experimental Evidence for Transverse Wobbling in 105Pd

NUCLEAR REACTIONS 96Zr(13C, 4n), E not given; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, B(M1)/B(E2), B(E2)/B(E2), transverse wobbling, wobbling bands.

doi: 10.1103/PhysRevLett.122.062501
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2019WI07      Phys.Rev. C 100, 014322 (2019)

J.Williams, G.C.Ball, A.Chester, T.Domingo, A.B.Garnsworthy, G.Hackman, J.Henderson, R.Henderson, R.Krucken, A.Kumar, K.D.Launey, J.Measures, O.Paetkau, J.Park, G.H.Sargsyan, J.Smallcombe, P.C.Srivastava, K.Starosta, C.E.Svensson, K.Whitmore, M.Williams

Structure of 28Mg and influence of the neutron pf shell

NUCLEAR REACTIONS 12C(18O, 2p), E=48 MeV; measured Eγ, Iγ, γγ-coin, γ(θ), Ep, Ip, level half-lives by DSAM using the TIGRESS array and CsI(Tl) scintillator array for charged particle detection at ISACII-TRIUMF. 28Mg; deduced levels, intruder orbitals, J, π, B(E2). Systematics of yrast states in 24,26,28,30Mg, 30Si, 32S. Comparison with ab initio symmetry adapted no-core shell model (SA-NCSM) calculations using the SDPF-MU interaction, and with evaluated data in the ENSDF database.

NUCLEAR STRUCTURE 28Mg; calculated levels, intruder orbitals, J, π, neutron occupancies in the pf shell, B(M1), B(M2), proton and neutron effective single-particle energies. Ab initio symmetry adapted no-core shell model (SA-NCSM) calculations using the SDPF-MU, USDB(sd) and SDPF(U) interactions. Comparison with experimental data.

doi: 10.1103/PhysRevC.100.014322
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2018CH01      Nucl.Instrum.Methods Phys.Res. A882, 69 (2018)

A.Chester, G.C.Ball, N.Bernier, D.S.Cross, T.Domingo, T.E.Drake, L.J.Evitts, F.H.Garcia, A.B.Garnsworthy, G.Hackman, S.Hallam, J.Henderson, R.Henderson, R.Krucken, E.MacConnachie, M.Moukaddam, E.Padilla-Rodal, O.Paetkau, J.L.Pore, U.Rizwan, P.Ruotsalainen, J.Shoults, J.Smallcombe, J.K.Smith, K.Starosta, C.E.Svensson, K.Van Wieren, J.Williams, M.Williams

Recoil distance method lifetime measurements at TRIUMF-ISAC using the TIGRESS Integrated Plunger

NUCLEAR REACTIONS 27Al(84Kr, 84Kr'), E=250 MeV; measured reaction products, Eγ, Iγ. 84Kr; deduced first excited state T1/2 and uncertainty. Comparison with available data.

doi: 10.1016/j.nima.2017.11.029
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2018CH18      Phys.Rev. C 97, 041303 (2018)

Q.B.Chen, K.Starosta, T.Koike

Three-level mixing model for nuclear chiral rotation: Role of the planar component

doi: 10.1103/PhysRevC.97.041303
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2018GR01      Phys.Rev.Lett. 120, 022502 (2018)

E.Grodner, J.Srebrny, Ch.Droste, L.Prochniak, S.G.Rohozinski, M.Kowalczyk, M.Ionescu-Bujor, C.A.Ur, K.Starosta, T.Ahn, M.Kisielinski, T.Marchlewski, S.Aydin, F.Recchia, G.Georgiev, R.Lozeva, E.Fiori, M.Zielinska, Q.B.Chen, S.Q.Zhang, L.F.Yu, P.W.Zhao, J.Meng

First Measurement of the g Factor in the Chiral Band: The Case of the Cs128 Isomeric State

RADIOACTIVITY 128Cs(IT); measured decay products, Eγ, Iγ; deduced g factor, γ-ray energies, Larmor frequency of precession.

doi: 10.1103/PhysRevLett.120.022502
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2018HE09      Phys.Rev. C 97, 044311 (2018)

J.Henderson, A.Chester, G.C.Ball, R.Caballero-Folch, T.Domingo, T.E.Drake, L.J.Evitts, A.B.Garnsworthy, G.Hackman, S.Hallam, M.Moukaddam, P.Ruotsalainen, J.Smallcombe, J.K.Smith, K.Starosta, C.E.Svensson, J.Williams

Lifetimes of low-lying excited states in 8636Kr50

NUCLEAR REACTIONS C(86Kr, 86Kr'), E=256.7 MeV, unsafe Coulomb excitation; measured Eγ, 86Kr scattered particles, (particle)γ-coin, half-lives of 2+ and 3- states by Doppler-shift attenuation method (DSAM) using the 4π TIGRESS array for γ detection, and TIGRESS integrated plunger (TIP) for particle detection at TRIUMF-ISAC facility. 86Kr; deduced levels, B(E2), B(E1), B(M1). Comparison with previous measurements. Systematics of B(E2) values for first 2+ states in 80Zn, 82Ge, 84Se, 86Kr, 88Sr, 90Zr and 92Mo.

doi: 10.1103/PhysRevC.97.044311
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2017CH28      Phys.Rev. C 96, 011302 (2017)

A.Chester, G.C.Ball, R.Caballero-Folch, D.S.Cross, S.Cruz, T.Domingo, T.E.Drake, A.B.Garnsworthy, G.Hackman, S.Hallam, J.Henderson, R.Henderson, W.Korten, R.Krucken, M.Moukaddam, B.Olaizola, P.Ruotsalainen, J.Smallcombe, K.Starosta, C.E.Svensson, J.Williams, K.Wimmer

Recoil distance method lifetime measurement of the 2+1 and implications for the structure of neutron-rich Sr isotopes

NUCLEAR REACTIONS 27Al(94Sr, 94Sr'), (94Sr, 27Al')E=280 MeV; measured Eγ, Iγ, (27Al)γ-coin, half-life of the first 2+ state in 94Sr by recoil-distance method (RDM) using TIGRESS Integrated Plunger (TIP), and TIGRESS array for γ detection at TRIUMF-ISAC-II accelerator facility. Coulomb excitation. Geant4 simulations. 94Sr; deduced level, B(E2) for the first 2+ state. Comparison with previous measurements, and with theoretical model calculations.

doi: 10.1103/PhysRevC.96.011302
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2017CR05      Eur.Phys.J. A 53, 216 (2017)

D.S.Cross, J.L.Pore, C.Andreoiu, G.C.Ball, P.C.Bender, A.S.Chester, R.Churchman, G.A.Demand, A.Diaz Varela, R.Dunlop, A.B.Garnsworthy, P.E.Garrett, G.Hackman, B.Hadinia, B.Jigmeddorj, A.T.Laffoley, A.Liblong, R.Kanungo, D.T.Miller, B.Noakes, C.M.Petrache, K.Starosta, C.E.Svensson, P.Voss, Z-M.Wang, J.M.Wilson, J.L.Wood, S.W.Yates

Conversion-electron spectroscopy and gamma-gamma angular correlation measurements in 116Sn

RADIOACTIVITY 116In(β-)[beam of predominantly 116m1In from 500 MeV protons on Ta]; measured Eγ, Iγ(θ), γγ-coin, eγ-coin, conversion electron spectrum. 116Sn; measured K-shell ICC, K/L ratios, E2/E1 multipole mixing ratios for 2+3 to 2+1; calculated γ-ray orientation coefficients, directional distribution coeffiecients, K/L intensity ratios using ICC calculator BrIccFO; deduced and 2+2 to 2+1 mixing ratios, and also mixing transitions among low-lying 4+ states, neutron broken-pair admixture (in addition to the dominant proton 2p2h component) in 4+2 state.

doi: 10.1140/epja/i2017-12412-5
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2017GA04      Acta Phys.Pol. B48, 523 (2017)

P.E.Garrett, B.Jigmeddorj, A.D.MacLean, H.Bidaman, V.Bildstein, C.Burbadge, G.A.Demand, A.Diaz Varela, M.Dunlop, R.Dunlop, B.Hadinia, B.Olaizola, C.E.Svensson, J.Turko, T.Zidar, A.B.Garnsworthy, M.Bowry, P.C.Bender, G.C.Ball, R.Caballero-Folch, I.Dillmann, G.Hackman, J.Henderson, W.J.Mills, M.Moukaddam, J.Park, C.J.Pearson, P.Ruotsalainen, J.Smallcombe, J.K.Smith, C.Andreoiu, D.S.Cross, J.L.Pore, K.Starosta

High-statistics β-decay Measurements at TRIUMF-ISAC and the Transition from the 8π Spectrometer to GRIFFIN

RADIOACTIVITY 122Cs(β+), (EC); measured Eγ, Iγ(θ), γγ-coin deduced low-lying levels, J, π, γ transitions, γ-ray coincidence spectra, unnormalized γ-ray σ(θ). Review lecture, everything just as examples, but it is not clear what has been published before and what is here for the first time.

doi: 10.5506/APhysPolB.48.523
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2017PO02      Eur.Phys.J. A 53, 27 (2017)

J.L.Pore, D.S.Cross, C.Andreoiu, R.Ashley, G.C.Ball, P.C.Bender, A.S.Chester, A.Diaz Varela, G.A.Demand, R.Dunlop, A.B.Garnsworthy, P.E.Garrett, G.Hackman, B.Hadinia, B.Jigmeddorj, A.T.Laffoley, A.Liblong, R.Kanungo, B.Noakes, C.M.Petrache, M.M.Rajabali, K.Starosta, C.E.Svensson, P.J.Voss, Z.M.Wang, J.L.Wood, S.W.Yates

Study of the β- decay of 116m1In: A new interpretation of low-lying 0+ states in 116Sn

RADIOACTIVITY 116mIn(β-); measured Eγ, Iγ, γγ-coin using 20 HPGe with BGO Compton-suppression shields, β particles using plastic scintillator; deduced rotational bands, first direct observation of 85 keV 2+2 to 0+3 γ transition, B(E2), γ branching ratios; calculated, deduced log ft, new band head of π 2p-2h rotational band in 116Sn.

doi: 10.1140/epja/i2017-12213-x
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2017RA20      Eur.Phys.J. A 53, 184 (2017); Erratum Eur.Phys.J. A 54, 213 (2018)

A.J.Radich, P.E.Garrett, C.Andreoiu, G.C.Ball, L.Bianco, V.Bildstein, S.Chagnon-Lessard, D.S.Cross, G.A.Demand, A.Diaz Varela, R.Dunlop, P.Finlay, A.B.Garnsworthy, G.Hackman, B.Hadinia, B.Jigmeddorj, A.T.Laffoley, K.G.Leach, E.McGee, J.Michetti-Wilson, J.N.Orce, M.M.Rajabali, E.T.Rand, K.Starosta, C.S.Sumithrarachchi, C.E.Svensson, S.Triambak, Z.M.Wang, S.J.Williams, J.Wong, J.L Wood and S.W.Yates

New decay modes of the high-spin isomer of 124Cs

RADIOACTIVITY 124m,124Cs(IT), (β+);124Ba(β+); measured Eγ, Iγ, γγ-coin, X-rays, Eβ, Iβ, ee-coin. 124Xe[from Β+/EC-decay of 124mCs]; deduced levels, J, π, γ-ray transitions. 124mCs; deduced branching ratios for 16 levels populated in γ-decay of 7+ state.

doi: 10.1140/epja/i2017-12383-5
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2017ST14      Phys.Scr. 92, 093002 (2017)

K.Starosta, T.Koike

Nuclear chirality, a model and the data

doi: 10.1088/1402-4896/aa800e
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2017VO05      Phys.Rev. C 96, 024305 (2017)

P.Voss, T.E.Drake, K.Starosta, C.Andreoiu, R.Ashley, G.C.Ball, P.C.Bender, A.Chester, R.Churchman, D.S.Cross, A.B.Garnsworthy, G.Hackman, B.Hadinia, R.Henderson, B.Jigmeddorj, S.Ketelhut, R.Krucken, A.T.Laffoley, K.G.Leach, D.Miller, R.Orlandi, C.J.Pearson, J.Pore, M.M.Rajabali, E.T.Rand, C.E.Svensson, E.Tardiff, C.Unsworth, Z.-M.Wang, A.Signoracci

Doppler-shift attenuation lifetime measurement of the 36Ar 2+1 level

NUCLEAR REACTIONS 12C(36Ar, 36Ar'), E=63 MeV; measured Eγ, (12C)γ-coin, half-life of the first 2+ state by Doppler-shift attenuation method (DSAM) following low-energy Coulomb excitation using TIGRESS spectrometer and PIN diode detectors at TRIUMF-ISAC facility. Carbon target backed with 197Au. 36Ar; deduced level, B(E2) for the first 2+ state, and compared with previous experimental data, and with shell-model calculations using USDB interaction.

doi: 10.1103/PhysRevC.96.024305
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2017WI07      Nucl.Instrum.Methods Phys.Res. A859, 8 (2017)

J.Williams, C.Andreoiu, R.Ashley, G.C.Ball, T.Ballast, P.C.Bender, C.Bolton, V.Bildstein, A.Chester, D.S.Cross, T.Domingo, T.Drake, A.Garnsworthy, P.Garrett, B.Hadinia, G.Hackman, R.Henderson, D.Jamieson, B.Jigmeddorj, A.Knapton, R.Kruecken, D.Miller, W.J.Mills, M.Moukaddam, M.Rajabali, U.Rizwan, K.Starosta, C.E.Svensson, C.Unsworth, A.D.Varela, P.Voss, Z.M.Wang, J.Wong

Implementation of the Doppler shift attenuation method using TIP/TIGRESS at TRIUMF: Fusion-evaporation lifetime measurements in 22Ne

NUCLEAR REACTIONS 12C(18O, 2α)22Ne, E=48 MeV; measured reaction products, Eα, Iα, Eγ, Iγ; deduced level energies, J, π, T1/2. DSAM, comparison with available data.

doi: 10.1016/j.nima.2017.03.059
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2016DO10      Appl.Radiat.Isot. 119, 101 (2016)

T.Domingo, K.Starosta, A.Chester, J.Williams

A precise measurement of the 117mSn half-life

RADIOACTIVITY 117Sn(IT) [from Sn(n, X)117mSn, E=14.1 MeV]; measured decay products, Eγ, Iγ; deduced T1/2 and its uncertainties, γ-ray ratio. Comparison with available data.

doi: 10.1016/j.apradiso.2016.11.010
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2016PA03      Phys.Rev. C 93, 014315 (2016)

J.Park, A.B.Garnsworthy, R.Krucken, C.Andreoiu, G.C.Ball, P.C.Bender, A.Chester, A.Close, P.Finlay, P.E.Garrett, J.Glister, G.Hackman, B.Hadinia, K.G.Leach, E.T.Rand, S.Sjue, K.Starosta, C.E.Svensson, E.Tardiff

Shape coexistence and evolution in 98Sr

RADIOACTIVITY 98Rb(β-)[from U(p, F), E=500 MeV at TRIUMF-ISAC]; measured Eγ, Iγ, I(ce), βγ-, β(ce)-, γγ-, γ(ce)- and ce(ce)-coincidences using 8π array of 20 Compton-suppressed HPGe detectors for γ rays, ten plastic scintillators for β detection, and a set of five Si(Li) detectors (PACES) for conversion electrons. 98Sr; deduced levels, absolute intensities of γ transitions, B(E0), B(E2). Comparison with two-state mixing model for interpretation of ρ2(E0) value, deduction of mixing of the two low-lying 0+ and 2+ states, and deformation parameters.

doi: 10.1103/PhysRevC.93.014315
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2015RA05      Phys.Rev. C 91, 044320 (2015)

A.J.Radich, P.E.Garrett, J.M.Allmond, C.Andreoiu, G.C.Ball, L.Bianco, V.Bildstein, S.Chagnon-Lessard, D.S.Cross, G.A.Demand, A.Diaz Varela, R.Dunlop, P.Finlay, A.B.Garnsworthy, G.Hackman, B.Hadinia, B.Jigmeddorj, A.T.Laffoley, K.G.Leach, J.Michetti-Wilson, J.N.Orce, M.M.Rajabali, E.T.Rand, K.Starosta, C.S.Sumithrarachchi, C.E.Svensson, S.Triambak, Z.M.Wang, J.L.Wood, J.Wong, S.J.Williams, S.W.Yates

Ground-state and pairing-vibrational bands with equal quadrupole collectivity in 124Xe

RADIOACTIVITY 124Cs(β+), (EC)[from Ta(p, X), E=500 MeV]; measured Eγ, Iγ, γγ-coin using 8π array at TRIUMF-ISAC facility. 124Xe; deduced levels, J, π, B(E2) ratios, deformation parameters, proton-pairing vibrational band; analyzed previous Coulomb excitation data by GOSIA code. Comparison with interacting boson model (IBM) and dynamic-pairing plus quadrupole (DPPQ) model calculations. Systematics of energies and B(E2) values for 0+ and 2+ states in 120,122,124,126,128,130Xe.

doi: 10.1103/PhysRevC.91.044320
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2014KU15      Phys.Rev.Lett. 113, 032501 (2014)

I.Kuti, Q.B.Chen, J.Timar, D.Sohler, S.Q.Zhang, Z.H.Zhang, P.W.Zhao, J.Meng, K.Starosta, T.Koike, E.S.Paul, D.B.Fossan, C.Vaman

Multiple Chiral Doublet Bands of Identical Configuration in 103Rh

NUCLEAR REACTIONS 96Zr(11B, 4n), E=40 MeV; measured reaction products, Eγ, Iγ, γ-γ-γ-coin.; deduced energy levels, J, π, quasiparticle alignments of bands, B(M1)/B(E2) ratios, negative-parity chiral doublet band structures. Covariant density functional theory and particle rotor model calculations.

doi: 10.1103/PhysRevLett.113.032501
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2014KW03      Phys.Lett. B 732, 210 (2014)

E.Kwan, C.Y.Wu, N.C.Summers, G.Hackman, T.E.Drake, C.Andreoiu, R.Ashley, G.C.Ball, P.C.Bender, A.J.Boston, H.C.Boston, A.Chester, A.Close, D.Cline, D.S.Cross, R.Dunlop, A.Finlay, A.B.Garnsworthy, A.B.Hayes, A.T.Laffoley, T.Nano, P.Navratil, C.J.Pearson, J.Pore, S.Quaglioni, C.E.Svensson, K.Starosta, I.J.Thompson, P.Voss, S.J.Williams, Z.M.Wang

Precision measurement of the electromagnetic dipole strengths in 11Be

NUCLEAR REACTIONS 196Pt(11Be, 11Be'), E=1.73, 2.09 MeV/nucleon;measured reaction products, Eγ, Iγ. 11Be; deduced yields, B(E1). Comparison with FRESCO code calculations.

doi: 10.1016/j.physletb.2014.03.049
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2014VO05      Phys.Rev. C 90, 014301 (2014)

P.Voss, T.Baumann, D.Bazin, A.Dewald, H.Iwasaki, D.Miller, A.Ratkiewicz, A.Spyrou, K.Starosta, M.Thoennessen, C.Vaman, J.A.Tostevin

19Mg two-proton decay lifetime

RADIOACTIVITY 19Mg(2p)[from 9Be(20Mg, X), E=170 MeV/nucleon]; measured energy-loss spectra in coincidence with incoming 20Mg on the target and outgoing 17Ne, two-proton decay half-life as a function of 17Ne production mechanism. Experiments carried out at NSCL-MSU facility. Comparison with previous experimental results.

NUCLEAR REACTIONS 9Be(20Mg, X)10C/14O/16O/17Ne/18Ne/20Na/19Mg/20Mg/21Mg/, E=170 MeV/nucleon; measured reaction products, yields using A1900 separator and S800 magnetic spectrograph at NSCL-MSU facility.

doi: 10.1103/PhysRevC.90.014301
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2013DU14      Phys.Rev. C 88, 045501 (2013)

R.Dunlop, G.C.Ball, J.R.Leslie, C.E.Svensson, I.S.Towner, C.Andreoiu, S.Chagnon-Lessard, A.Chester, D.S.Cross, P.Finlay, A.B.Garnsworthy, P.E.Garrett, J.Glister, G.Hackman, B.Hadinia, K.G.Leach, E.T.Rand, K.Starosta, E.R.Tardiff, S.Triambak, S.J.Williams, J.Wong, S.W.Yates, E.F.Zganjar

High-precision branching-ratio measurement for the superallowed Β+ emitter 74Rb

RADIOACTIVITY 74Rb(β+), (EC)[from Nb(p, X, ), E=500 MeV]; measured Eγ, Iγ, Eβ, Iβ, ce, γγ-, γ(ce)-, βγ-, β(ce)-coin using 8π array for γ rays, SCEPTAR for β particles and PACES for conversion electrons at ISAC-TRIUMF facility. 74Kr; deduced levels, J, π, conversion coefficients, multipolarity, E0 transition, branching ratio for superallowed β transition, logft, GT+F, isospin-symmetry breaking terms. Comparison of experimental GT values with theoretical values.

doi: 10.1103/PhysRevC.88.045501
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2013KU07      Phys.Rev. C 87, 044323 (2013)

I.Kuti, J.Timar, D.Sohler, E.S.Paul, K.Starosta, A.Astier, D.Bazzacco, P.Bednarczyk, A.J.Boston, N.Buforn, H.J.Chantler, C.J.Chiara, R.M.Clark, M.Cromaz, M.Descovich, Zs.Dombradi, P.Fallon, D.B.Fossan, C.Fox, A.Gizon, J.Gizon, A.A.Hecht, N.Kintz, T.Koike, I.Y.Lee, S.Lunardi, A.O.Macchiavelli, P.J.Nolan, B.M.Nyako, C.M.Petrache, J.A.Sampson, H.C.Scraggs, T.G.Tornyi, R.Wadsworth, A.Walker, L.Zolnai

Medium- and high-spin band structure of the chiral candidate 132La

NUCLEAR REACTIONS 100Mo(36S, 3np), E=160 MeV; 116Cd(23Na, 3nα), E=115 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γ(θ, lin pol), conversion coefficients using the EUROBALL array at IReS, Strasbourg, and Gammasphere array. 132La; deduced high-spin levels, J, π, multipolarity, bands, B(M1)/B(E2), alignments, Routhians, configurations, chiral partners. Comparison with band structure in 134Pr.

doi: 10.1103/PhysRevC.87.044323
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2012PE16      Phys.Rev. C 86, 044329 (2012)

M.Petri, S.Paschalis, R.M.Clark, P.Fallon, A.O.Macchiavelli, K.Starosta, T.Baugher, D.Bazin, L.Cartegni, H.L.Crawford, M.Cromaz, U.Datta Pramanik, G.de Angelis, A.Dewald, A.Gade, G.F.Grinyer, S.Gros, M.Hackstein, H.B.Jeppesen, I.Y.Lee, S.McDaniel, D.Miller, M.M.Rajabali, A.Ratkiewicz, W.Rother, P.Voss, K.A.Walsh, D.Weisshaar, M.Wiedeking, B.A.Brown, C.Forssen, P.Navratil, R.Roth

Structure of 16C: Testing shell model and ab initio approaches

NUCLEAR REACTIONS 9Be(17N, X)16O, E=72 MeV/nucleon, [17N secondary beam from 9Be(22Ne, X), E=150 MeV/nucleon primary reaction]; measured Eγ, Iγ, σ, half-life of first 2+ state in 16O by RDM plunger method using SeGA array at NSCL facility. 16C; deduced levels, J, π, B(E2), spectroscopic factors and proton amplitude of first 2+ state, gamma-ray branching ratios from second 2+ state. Comparison of with shell-model calculations using three interactions.

doi: 10.1103/PhysRevC.86.044329
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2012SM04      Phys.Rev. C 86, 034303 (2012)

J.F.Smith, L.J.Angus, E.S.Paul, C.J.Chiara, M.P.Carpenter, H.J.Chantler, P.T.W.Choy, C.N.Davids, M.Devlin, D.B.Fossan, S.J.Freeman, R.V.F.Janssens, N.S.Kelsall, T.Koike, D.R.LaFosse, D.G.Sarantites, D.Seweryniak, K.Starosta, R.Wadsworth, A.N.Wilson

γ-ray spectroscopy of neutron-deficient 123Ce

NUCLEAR REACTIONS 64Zn(64Zn, nα), E=260 MeV; measured Eγ, Iγ, γγ-, γγ(particle)-coin, γγ(θ)(ADO) using Gammasphere array, Microball array and Neutron Wall at ATLAS facility in ANL. 123Ce; deduced levels, J, π, rotational bands, multipolarity, deformation parameters β2, γ and β4, alignments, configurations. 74Br, 119Ba, 121,122La, 122Ce; measured Eγ, Iγ, γγ-coin, γγ(θ) in nuclei formed in competing channels. Comparison with Total Routhian surface (TRS) and cranked shell-model (CSM) calculations. Systematics of bands and alignments in 122,123,124,125,127,129Ce, and 122,123La.

doi: 10.1103/PhysRevC.86.034303
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2012SO06      Phys.Rev. C 85, 044303 (2012)

D.Sohler, I.Kuti, J.Timar, P.Joshi, J.Molnar, E.S.Paul, K.Starosta, R.Wadsworth, A.Algora, P.Bednarczyk, D.Curien, Zs.Dombradi, G.Duchene, D.B.Fossan, J.Gal, A.Gizon, J.Gizon, D.G.Jenkins, K.Juhasz, G.Kalinka, T.Koike, A.Krasznahorkay, B.M.Nyako, P.M.Raddon, G.Rainovski, J.N.Scheurer, A.J.Simons, C.Vaman, A.R.Wilkinson, L.Zolnai

High-spin structure of 104Pd

NUCLEAR REACTIONS 96Zr(13C, 5n), E=51, 58 MeV; measured Eγ, Iγ, γγ-coin, DCO ratios, γγ(linear pol) using Euroball IV spectrometer, DIAMANT charged-particle array. 104Pd; deduced medium and high-spin levels, J, π, multipolarities, bands, B(M1)/B(E2) ratios, alignments, configurations. Odd-even staggering for bands in 102Ru and 104Pd. B(E1) strengths in 100,104Pd, 117,119Cd. Systematics of first 3- states and E(second 2+)/E(first 4+) in 96,98,100,102Mo, 96,98,100,102,104,106,108Ru, 102,104,106,108,110Pd. Comparison with Woods-Saxon total Routhian surface (TRS) calculations. Soft γ-vibrational excitations.

doi: 10.1103/PhysRevC.85.044303
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2012VO05      Phys.Rev. C 86, 011303 (2012)

P.Voss, T.Baugher, D.Bazin, R.M.Clark, H.L.Crawford, A.Dewald, P.Fallon, A.Gade, G.F.Grinyer, H.Iwasaki, A.O.Macchiavelli, S.McDaniel, D.Miller, M.Petri, A.Ratkiewicz, W.Rother, K.Starosta, K.A.Walsh, D.Weisshaar, C.Forssen, R.Roth, P.Navratil

Excited-state transition-rate measurements in 18C

NUCLEAR REACTIONS 9Be(19Ne, p)18C, [19Ne secondary beam from 9Be(22Ne, X), E=120 MeV/nucleon primary beam], E=72 MeV/nucleon; measured time-of-flight, energy loss, Eγ, Iγ, (18C)γ-coin using SeGA array, level half-lives by RDM method using the Koln/NSCL plunger device. 18C; deduced levels, J, π, B(E2) of first two 2+ states. 14,18C; comparison of experimental values of level energies, B(E2), B(M1) and quadrupole moment of first two 2+ states with calculations using large-scale ab initio no-core shell model calculations. Inclusion of three-body forces to explain low-lying states in A=18 system.

doi: 10.1103/PhysRevC.86.011303
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2011FR17      J.Phys.:Conf.Ser. 312, 092025 (2011)

C.Fransen, W.Rother, H.Iwasaki, A.Dewald, T.Baugher, D.Bazin, B.A.Brown, H.L.Crawford, A.Gade, T.N.Ginter, T.Glasmacher, G.F.Grinyer, M.Hackstein, G.Ilie, J.Jolie, S.M.Lenzi, S.McDaniel, D.Miller, P.Petkov, T.Pissulla, A.Ratkiewicz, K.Starosta, C.A.Ur, P.Voss, K.A.Walsh, D.Weisshaar, K.O.Zell

Collectivity of Exotic Heavy Fe Isotopes

NUCLEAR REACTIONS 197Au(62Fe, X), E=97.8 MeV/nucleon;197Au(64Fe, X), E=95.0 MeV/nucleon;197Au(66Fe, X), E=88.3 MeV/nucleon; measured Doppler shifted Coulomb excitation Eγ, Iγ(θ=30, 1400, t); deduced B(E2), E(2+1). Compared with other data for near-by nuclei.

doi: 10.1088/1742-6596/312/9/092025
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2011PA27      Phys.Rev. C 84, 047302 (2011)

E.S.Paul, C.Fox, A.J.Boston, H.J.Chantler, C.J.Chiara, R.M.Clark, M.Cromaz, M.Descovich, P.Fallon, D.B.Fossan, A.A.Hecht, T.Koike, I.Y.Lee, A.O.Macchiavelli, P.J.Nolan, K.Starosta, R.Wadsworth, I.Ragnarsson

High-spin yrast states in the γ-soft nuclei 135Pr and 134Ce

NUCLEAR REACTIONS 116Cd(23Na, 4n), (23Na, 4np), E=115 MeV; measured Eγ, Iγ, γγ-coin using Gammasphere array. 135Pr, 134Ce; deduced levels, J, π, yrast bands, alignment plots, configurations; calculated potential energy surfaces. Comparison with cranking model calculations.

doi: 10.1103/PhysRevC.84.047302
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2011PE21      Phys.Rev.Lett. 107, 102501 (2011)

M.Petri, P.Fallon, A.O.Macchiavelli, S.Paschalis, K.Starosta, T.Baugher, D.Bazin, L.Cartegni, R.M.Clark, H.L.Crawford, M.Cromaz, A.Dewald, A.Gade, G.F.Grinyer, S.Gros, M.Hackstein, H.B.Jeppesen, I.Y.Lee, S.McDaniel, D.Miller, M.M.Rajabali, A.Ratkiewicz, W.Rother, P.Voss, K.A.Walsh, D.Weisshaar, M.Wiedeking, B.A.Brown

Lifetime Measurement of the 2+1 State in 20C

NUCLEAR REACTIONS 9Be, 184W(22O, X)20C, E=101 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced lifetime, B(E2). Comparison with systematics, shell model calculations.

doi: 10.1103/PhysRevLett.107.102501
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2011PR01      Acta Phys.Pol. B42, 465 (2011)

L.Prochniak, S.G.Rohozinski, Ch.Droste, K.Starosta

A Symmetry of the CPHC Model of Odd-Odd Nuclei and Its Consequences for Properties of M1 and E2 Transitions


2011RO02      Phys.Rev.Lett. 106, 022502 (2011)

W.Rother, A.Dewald, H.Iwasaki, S.M.Lenzi, K.Starosta, D.Bazin, T.Baugher, B.A.Brown, H.L.Crawford, C.Fransen, A.Gade, T.N.Ginter, T.Glasmacher, G.F.Grinyer, M.Hackstein, G.Ilie, J.Jolie, S.McDaniel, D.Miller, P.Petkov, Th.Pissulla, A.Ratkiewicz, C.A.Ur, P.Voss, K.A.Walsh, D.Weisshaar, K.-O.Zell

Enhanced Quadrupole Collectivity at N=40: The Case of Neutron-Rich Fe Isotopes

NUCLEAR REACTIONS 197Au(62Fe, 62Fe'), (64Fe, 64Fe'), (66Fe, 66Fe'), E=97.8, 95, 88.3 MeV/nucleon; measured Eγ, Iγ. 62,64,66Fe; deduced lifetimes, B(E2), deformation parameters. Comparison with shell model calculations, experimental data. Secondary beams from 76Ge fragmentation.

COMPILATION Cr, Fe, Ni, Zn, Ge, Se, Kr; Compiled nuclear structure data, B(E2) values and energy of the first excited states for N=24-56.

doi: 10.1103/PhysRevLett.106.022502
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2011RO07      Int.J.Mod.Phys. E20, 364 (2011)

S.G.Rohozinski, L.Prochniak, C.Droste, K.Starosta

Signatures of chirality in the core-particle-hole systems

doi: 10.1142/S0218301311017739
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2011RO35      Eur.Phys.J. A 47, 90 (2011)

S.G.Rohozinski, L.Prochniak, K.Starosta, Ch.Droste

Odd-odd nuclei as the core-particle-hole systems and chirality

NUCLEAR STRUCTURE 128La; calculated levels, J, B(E2), B(M1), magnetic dipole moment for imaginary (non-existing) nucleus with Z=57, A=128 using CPHC(Core-Particle-Hole Coupling) model.

doi: 10.1140/epja/i2011-11090-7
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2011ST06      Int.J.Mod.Phys. E20, 349 (2011)

K.Starosta, A.Chester, I.Hamamoto, T.Koike, J.Timar

Opportunities for collective model and chirality studies at TRIUMF

doi: 10.1142/S0218301311017715
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2011TI10      Phys.Rev. C 84, 044302 (2011)

J.Timar, K.Starosta, I.Kuti, D.Sohler, D.B.Fossan, T.Koike, E.S.Paul, A.J.Boston, H.J.Chantler, M.Descovich, R.M.Clark, M.Cromaz, P.Fallon, I.Y.Lee, A.O.Macchiavelli, C.J.Chiara, R.Wadsworth, A.A.Hecht, D.Almehed, S.Frauendorf

Medium- and high-spin band structure of the chiral-candidate nucleus 134Pr

NUCLEAR REACTIONS 116Cd(23Na, 5n), E=115 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ) DCO ratios using GAMMASPHERE array. 134Pr; deduced levels, J, π, conversion coefficients, multipolarity, bands, alignments, signature splittings, configurations, B(M1)/B(E2) ratios; calculated Routhians. Comparison with total Routhian surface (TRS) and tilted-axis cranking calculations.

doi: 10.1103/PhysRevC.84.044302
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2010FR07      J.Phys.:Conf.Ser. 205, 012043 (2010)

C.Fransen, A.Dewald, T.Baumann, D.Bazin, A.Blazhev, B.A.Brown, A.Chester, A.Gade, T.Glasmacher, P.T.Greenlees, M.Hackstein, S.Harissopulos, U.Jakobsson, J.Jolie, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, T.Konstaninopoulos, A.Lagoyannis, M.Leino, P.Nieminen, M.Nyman, P.Petkov, P.Peura, T.Pissulla, P.Rahkila, W.Rother, P .Ruotsalainen, J.Saren, C.Scholey, J.Sorri, K.Starosta, A.Stolz, J.Uusitalo, P.Voss, D.Weisshaar

New developments on the recoil distance doppler-shift method

doi: 10.1088/1742-6596/205/1/012043
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2010ZE03      Phys.Rev.Lett. 104, 212504 (2010)

R.G.T.Zegers, R.Meharchand, Y.Shimbara, S.M.Austin, D.Bazin, B.A.Brown, C.Aa.Diget, A.Gade, C.J.Guess, M.Hausmann, G.W.Hitt, M.E.Howard, M.King, D.Miller, S.Noji, A.Signoracci, K.Starosta, C.Tur, C.Vaman, P.Voss, D.Weisshaar, J.Yurkon

34P(7Li, 7Be+γ) Reaction at 100A MeV in Inverse Kinematics

NUCLEAR REACTIONS 34P(7Li, γ7Be)34Si, E=100 MeV/nucleon; measured Eγ, Iγ, γ-particle coin.; deduced σ(θ), β+ Gamow-Teller transition strength distribution. Comparison with shell model calculations.

doi: 10.1103/PhysRevLett.104.212504
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2009DR13      Eur.Phys.J. A 42, 79 (2009)

Ch.Droste, S.G.Rohozinski, K.Starosta, L.Prochniak, E.Grodner

Chiral bands in odd-odd nuclei with rigid or soft cores

NUCLEAR STRUCTURE 128Ba; calculated energy levels, B(E2). Comparison with data. 128La; calculated energy levels of chiral bands, μ, B(E2), B(M1). Comparison of rigid and soft core assumption in Core Particle Hole Coupling model.

doi: 10.1140/epja/i2009-10860-0
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2009MI12      Phys.Rev. C 79, 054306 (2009)

D.Miller, P.Adrich, B.A.Brown, V.Moeller, A.Ratkiewicz, W.Rother, K.Starosta, J.A.Tostevin, C.Vaman, P.Voss

Intermediate energy proton knockout to the "island of inversion" isotope 31Mg

NUCLEAR REACTIONS 9Be(32Al, X), E=91 MeV/nucleon; measured Eγ, Iγ, γγ-coin, γ(θ), σ, parallel momentum distributions. 31Mg; deduced levels, J, π. Comparison with USD and AMD+GCM shell-model calculations and discussed relevance to "island of inversion".

doi: 10.1103/PhysRevC.79.054306
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2009ST10      Acta Phys.Pol. B40, 789 (2009)

K.Starosta, P.Adrich, A.Dewald, D.Miller, V.Moeller, C.Vaman, P.Voss

Lifetime Measurements of Excited States in Exotic Nuclei Produced in Reactions at Intermediate Energies


2008DE30      Phys.Rev. C 78, 051302 (2008)

A.Dewald, K.Starosta, P.Petkov, M.Hackstein, W.Rother, P.Adrich, A.M.Amthor, T.Baumann, D.Bazin, M.Bowen, A.Chester, A.Dunomes, A.Gade, D.Galaviz, T.Glasmacher, T.Ginter, M.Hausmann, J.Jolie, B.Melon, D.Miller, V.Moeller, R.P.Norris, T.Pissulla, M.Portillo, Y.Shimbara, A.Stolz, C.Vaman, P.Voss, D.Weisshaar

Collectivity of neutron-rich palladium isotopes and the valence proton symmetry

NUCLEAR REACTIONS 9Be(110Pd, 110Pd'), E=66 MeV/nucleon; 9Be(114Pd, 114Pd'), E=69 MeV/nucleon; measured Eγ, Iγ, half-lives using recoil distance doppler shift method. 110,114Pd; deduced levels, J, π, B(E2). 102,104,106,108,112,116Pd, 104,106,108,110,112,114,116,118Cd, 96,98,100,102,104,106,108,110,112,114Ru; systematics of B(E2) values. Coulomb excitation. Comparisons with Interacting Boson Model.

doi: 10.1103/PhysRevC.78.051302
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2008SA35      Phys.Lett. B 669, 19 (2008)

T.R.Saito, N.Saito, K.Starosta, J.Beller, N.Pietralla, H.J.Wollersheim, D.L.Balabanski, A.Banu, R.A.Bark, T.Beck, F.Becker, P.Bednarczyk, K.-H.Behr, G.Benzoni, P.G.Bizzeti, C.Boiano, A.Bracco, S.Brambilla, A.Brunle, A.Burger, L.Caceres, F.Camera, F.C.L.Crespi, P.Doornenbal, A.B.Garnsworthy, H.Geissel, J.Gerl, M.Gorska, J.Grebosz, G.Hagemann, J.Jolie, M.Kavatsyuk, O.Kavatsyuk, T.Koike, I.Kojouharov, N.Kurz, J.Leske, G.Lo Bianco, A.Maj, S.Mallion, S.Mandal, M.Maliage, T.Otsuka, C.M.Petrache, Zs.Podolyak, W.Prokopowicz, G.Rainovski, P.Reiter, A.Richard, H.Schaffner, S.Schielke, G.Sletten, N.J.Thompson, D.Tonev, J.Walker, N.Warr, O.Wieland, Q.Zhong

Yrast and non-yrast 2+ states of 134Ce and 136Nd populated in relativistic Coulomb excitation

NUCLEAR REACTIONS Au(134Ce, 134CE'), (136ND, 136ND'), E≈ 126 MeV/nucleon; measured Eγ, Iγ, γγ-, (particle)γ-coin. 134Ce, 136Nd; deduced B(E2).

doi: 10.1016/j.physletb.2008.09.027
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2007CA35      Phys.Lett. B 652, 169 (2007); Addendum Phys.Lett. B 656, 272 (2007)

C.M.Campbell, N.Aoi, D.Bazin, M.D.Bowen, B.A.Brown, J.M.Cook, D.-C.Dinca, A.Gade, T.Glasmacher, M.Horoi, S.Kanno, T.Motobayashi, L.A.Riley, H.Sagawa, H.Sakurai, K.Starosta, H.Suzuki, S.Takeuchi, J.R.Terry, K.Yoneda, H.Zwahlen

Quadrupole collectivity in silicon isotopes approaching neutron number N=28

NUCLEAR REACTIONS 1H(36Si, 36Si'), E < 140 MeV/nucleon; 1H(38Si, 38Si'), E < 140 MeV/nucleon; 1H(40Si, 40Si'), E < 140 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coinc, inelastic proton scattering cross sections. 36,38,40Si deduced quadrupole deformation parameters.

doi: 10.1016/j.physletb.2007.07.005
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2007JO01      Phys.Rev.Lett. 98, 102501 (2007)

P.Joshi, M.P.Carpenter, D.B.Fossan, T.Koike, E.S.Paul, G.Rainovski, K.Starosta, C.Vaman, R.Wadsworth

Effect of γ Softness on the Stability of Chiral Geometry: Spectroscopy of 106Ag

NUCLEAR REACTIONS 100Mo(10B, 4n), E=42 MeV; measured Eγ, Iγ, γγ-coin. 106Ag deduced high-spin levels, J, π, B(M1)/B(E2), configurations, γ-softness. Gammasphere array, total Routhian surface calculation.

doi: 10.1103/PhysRevLett.98.102501
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2007KU23      Eur.Phys.J. A 33, 307 (2007)

J.Kurpeta, W.Urban, Ch.Droste, A.Plochocki, S.G.Rohozinski, T.Rzaca-Urban, T.Morek, L.Prochniak, K.Starosta, J.Aysto, H.Penttila, J.L.Durell, A.G.Smith, G.Lhersonneau, I.Ahmad

Low-spin structure of 113Ru and 113Rh

RADIOACTIVITY 113Ru, 113Rh(β-) [from 248cm(SF)]; measured Eγ, Iγ, βγ, γγ-coinc. 113Ru, Rh deduced levels, J, π, logft.Compared results to model calculations.

doi: 10.1140/epja/i2006-10464-2
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2007PA07      Phys.Rev. C 75, 014308 (2007)

E.S.Paul, K.Starosta, A.O.Evans, A.J.Boston, H.J.Chantler, C.J.Chiara, M.Devlin, A.M.Fletcher, D.B.Fossan, D.R.LaFosse, G.J.Lane, I.Y.Lee, A.O.Macchiavelli, P.J.Nolan, D.G.Sarantites, J.M.Sears, A.T.Semple, J.F.Smith, C.Vaman, A.V.Afanasjev, I.Ragnarsson

Smooth terminating bands in 112Te: Particle-hole induced collectivity

NUCLEAR REACTIONS 58Ni(58Ni, 4p), (58Ni, 2p), E=240, 250 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin, DSA. 112Te deduced high-spin levels, J, π, T1/2, configurations, deformation, band termination features. 114Xe levels deduced T1/2, transition quadrupole moment. Gammasphere, Microball arrays.

doi: 10.1103/PhysRevC.75.014308
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2007PA34      Phys.Rev. C 76, 034322 (2007)

E.S.Paul, A.J.Boston, C.J.Chiara, M.Devlin, D.B.Fossan, S.J.Freeman, D.R.LaFosse, G.J.Lane, M.J.Leddy, I.Y.Lee, A.O.Macchiavelli, P.J.Nolan, D.G.Sarantites, J.M.Sears, A.T.Semple, J.F.Smith, K.Starosta

γ-ray spectroscopy of neutron-deficient 110Te. I. Low- and intermediate-spin structures

NUCLEAR REACTIONS 58Ni(58Ni, 2pα), E=250 MeV; measured Eγ, Iγ, γγ, (particle)γ-coinc. 110Te deduced levels, J, π, multipolarity.

doi: 10.1103/PhysRevC.76.034322
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2007PA35      Phys.Rev. C 76, 034323 (2007)

E.S.Paul, A.O.Evans, A.J.Boston, C.J.Chiara, M.Devlin, D.B.Fossan, S.J.Freeman, D.R.LaFosse, G.J.Lane, M.J.Leddy, I.Y.Lee, A.O.Macchiavelli, P.J.Nolan, D.G.Sarantites, J.M.Sears, A.T.Semple, J.F.Smith, K.Starosta, A.V.Afanasjev, I.Ragnarsson

γ-ray spectroscopy of neutron-deficient 110Te. II. High-spin smooth-terminating structures

NUCLEAR REACTIONS 58Ni(58Ni, 2pα), E=240, 250 MeV; measured Eγ, Iγ, γγ, (particle)γ-coinc. 110Te deduced levels, J, π, multipolarity.

doi: 10.1103/PhysRevC.76.034323
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2007SE06      Phys.Rev.Lett. 99, 082502 (2007)

D.Seweryniak, B.Blank, M.P.Carpenter, C.N.Davids, T.Davinson, S.J.Freeman, N.Hammond, N.Hoteling, R.V.F.Janssens, T.L.Khoo, Z.Liu, G.Mukherjee, A.Robinson, C.Scholey, S.Sinha, J.Shergur, K.Starosta, W.B.Walters, A.Woehr, P.J.Woods

Effect of a Triaxial Nuclear Shape on Proton Tunneling: The Decay and Structure of 145Tm

NUCLEAR REACTIONS 58Ni(92Mo, 4np), E=417 MeV; measured Eγ, Iγ, Ep, pγ-coinc. 145Tm deduced levels, J, π.

doi: 10.1103/PhysRevLett.99.082502
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2007ST16      Phys.Rev.Lett. 99, 042503 (2007)

K.Starosta, A.Dewald, A.Dunomes, P.Adrich, A.M.Amthor, T.Baumann, D.Bazin, M.Bowen, B.A.Brown, A.Chester, A.Gade, D.Galaviz, T.Glasmacher, T.Ginter, M.Hausmann, M.Horoi, J.Jolie, B.Melon, D.Miller, V.Moeller, R.P.Norris, T.Pissulla, M.Portillo, W.Rother, Y.Shimbara, A.Stolz, C.Vaman, P.Voss, D.Weisshaar, V.Zelevinsky

Shape and Structure of N=Z 64Ge: Electromagnetic Transition Rates from the Application of the Recoil Distance Method to a Knockout Reaction

NUCLEAR REACTIONS 93Nb(65Ge, n), (63Zn, n), E not given; measured Eγ, Iγ and transition rates using recoil distance method. 64Ge, 62Zn deduced B(E2) and lifetimes.

doi: 10.1103/PhysRevLett.99.042503
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2007TI07      Phys.Rev. C 76, 024307 (2007)

J.Timar, T.Koike, N.Pietralla, G.Rainovski, D.Sohler, T.Ahn, G.Berek, A.Costin, K.Dusling, T.C.Li, E.S.Paul, K.Starosta, C.Vaman

High-spin structure of 105Ag: Search for chiral doublet bands

NUCLEAR REACTIONS 100Mo(10B, 5n), E=58, 64 MeV; measured Eγ, Iγ, γγ-coinc. 105Ag deduced levels, J, π, multipolarities.

doi: 10.1103/PhysRevC.76.024307
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2007VA22      Phys.Rev.Lett. 99, 162501 (2007)

C.Vaman, C.Andreoiu, D.Bazin, A.Becerril, B.A.Brown, C.M.Campbell, A.Chester, J.M.Cook, D.C.Dinca, A.Gade, D.Galaviz, T.Glasmacher, M.Hjorth-Jensen, M.Horoi, D.Miller, V.Moeller, W.F.Mueller, A.Schiller, K.Starosta, A.Stolz, J.R.Terry, A.Volya, V.Zelevinsky, H.Zwahlen

Z=50 Shell Gap near 100Sn from Intermediate-Energy Coulomb Excitations in Even-Mass 106-112Sn Isotopes

NUCLEAR REACTIONS 197Au(106Sn, 106Sn'), (108Sn, 108Sn'), (110Sn, 110sn'), (112Sn, 112Sn'), E=78-81 MeV; measured Eγ, Iγ, (particle)γ-coinc from projectile coulomb excitation. 106,108,110,112Sn deduced B(E2).

doi: 10.1103/PhysRevLett.99.162501
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2006CA26      Phys.Rev.Lett. 97, 112501 (2006)

C.M.Campbell, N.Aoi, D.Bazin, M.D.Bowen, B.A.Brown, J.M.Cook, D.-C.Dinca, A.Gade, T.Glasmacher, M.Horoi, S.Kanno, T.Motobayashi, W.F.Mueller, H.Sakurai, K.Starosta, H.Suzuki, S.Takeuchi, J.R.Terry, K.Yoneda, H.Zwahlen

Measurement of Excited States in 40Si and Evidence for Weakening of the N = 28 Shell Gap

NUCLEAR REACTIONS 1H(40Si, 40Si'), (42P, 40SiX), E ≈ 80 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin. 40Si deduced excited states energies. Comparison with model predictions.

doi: 10.1103/PhysRevLett.97.112501
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2006CH26      Nucl.Instrum.Methods Phys.Res. A562, 230 (2006)

A.Chester, P.Adrich, A.Becerril, D.Bazin, C.M.Campbell, J.M.Cook, D.-C.Dinca, W.F.Mueller, D.Miller, V.Moeller, R.P.Norris, M.Portillo, K.Starosta, A.Stolz, J.R.Terry, H.Zwahlen, C.Vaman, A.Dewald

Application of the time-of-flight technique for lifetime measurements with relativistic beams of heavy nuclei

NUCLEAR REACTIONS 93Nb(124Xe, 124Xe'), E=55 MeV/nucleon; measured Doppler-shifted Eγ, Iγ following projectile Coulomb excitation. 124Xe deduced excited state T1/2. Time-of-flight technique, recoil-distance technique.

doi: 10.1016/j.nima.2006.02.182
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2006EV01      Phys.Lett. B 636, 25 (2006)

A.O.Evans, E.S.Paul, A.J.Boston, H.J.Chantler, C.J.Chiara, M.Devlin, A.M.Fletcher, D.B.Fossan, D.R.LaFosse, G.J.Lane, I.Y.Lee, A.O.Macchiavelli, P.J.Nolan, D.G.Sarantites, J.M.Sears, A.T.Semple, J.F.Smith, K.Starosta, C.Vaman, A.V.Afanasjev, I.Ragnarsson

Magnetic properties of smooth terminating dipole bands in 110, 112Te

NUCLEAR REACTIONS 58Ni(58Ni, 2pα), (58Ni, 4p), E=240, 250 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin, DSA. 110,112Te deduced high-spin levels, J, π, B(M1), B(E2), T1/2. Gammasphere and Microball arrays.

doi: 10.1016/j.physletb.2006.03.020
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2006EV04      Phys.Scr. T125, 192 (2006)

A.O.Evans, E.S.Paul, A.J.Boston, H.J.Chantler, C.J.Chiara, M.Devlin, A.M.Fletcher, D.B.Fossan, D.R.LaFosse, G.J.Lane, Y.Lee, A.O.Macchiavelli, P.J.Nolan, D.G.Sarantites, J.M.Sears, A.T.Semple, J.F.Smith, K.Starosta, C.Vaman, I.Ragnarsson, A.V.Afanasjev

Magnetic properties of deformed dipole bands in 110, 112Te

NUCLEAR REACTIONS 58Ni(58Ni, 2pα), E=240 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin, DSA. 110Te deduced transitions B(M1).

doi: 10.1088/0031-8949/2006/T125/046
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2006GR23      Phys.Rev.Lett. 97, 172501 (2006)

E.Grodner, J.Srebrny, A.A.Pasternak, I.Zalewska, T.Morek, Ch.Droste, J.Mierzejewski, M.Kowalczyk, J.Kownacki, M.Kisielinski, S.G.Rohozinski, T.Koike, K.Starosta, A.Kordyasz, P.J.Napiorkowski, M.Wolinska-Cichocka, E.Ruchowska, W.Plociennik, J.Perkowski

128Cs as the Best Example Revealing Chiral Symmetry Breaking

NUCLEAR REACTIONS 122Sn(10B, 4n), E=55 MeV; 122Sn(14N, 4n), E=70 MeV; measured Eγ, Iγ, γγ-coin, DSA. 128Cs, 132La deduced high-spin levels, J, π, T1/2, B(M1), B(E2), chiral symmetry breaking. Osiris II array.

doi: 10.1103/PhysRevLett.97.172501
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2006PE07      Phys.Rev.Lett. 96, 112502 (2006)

C.M.Petrache, G.B.Hagemann, I.Hamamoto, K.Starosta

Risk of Misinterpretation of Nearly Degenerate Pair Bands as Chiral Partners in Nuclei

NUCLEAR STRUCTURE 134Pr, 136Pm; analyzed rotational bands energies, B(E2), related features; deduced insufficient evidence for chiral partner bands.

doi: 10.1103/PhysRevLett.96.112502
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2006SE08      Phys.Rev. C 73, 061301 (2006)

D.Seweryniak, K.Starosta, C.N.Davids, S.Gros, A.A.Hecht, N.Hoteling, T.L.Khoo, K.Lagergren, G.Lotay, D.Peterson, A.Robinson, C.Vaman, W.B.Walters, P.J.Woods, S.Zhu

α decay of 105Te

RADIOACTIVITY 105Te(α) [from 50Cr(58Ni, 3n)]; measured Qα, T1/2. Comparison with neighboring isotopes, model predictions.

doi: 10.1103/PhysRevC.73.061301
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2006SM02      Phys.Rev. C 73, 061303 (2006)

J.F.Smith, A.M.Fletcher, C.J.Chiara, M.P.Carpenter, H.J.Chantler, C.N.Davids, J.L.Durell, D.B.Fossan, S.J.Freeman, R.V.F.Janssens, T.Koike, F.G.Kondev, D.R.LaFosse, J.C.Lisle, D.Patel, E.S.Paul, W.Reviol, D.G.Sarantites, D.Seweryniak, K.Starosta, R.Wadsworth, A.N.Wilson

First observation of excited states in 114Cs: Spectroscopy of the yrast ν(h11/2) (X) π(h11/2) band

NUCLEAR REACTIONS 58Ni(58Ni, np), E=230 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-, (recoil)γ-coin. 114Cs deduced high-spin levels, J, π, configurations. Gammasphere, Microball arrays, level systematics in neighboring nuclides discussed.

doi: 10.1103/PhysRevC.73.061303
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2006SM04      Phys.Rev. C 74, 034310 (2006)

J.F.Smith, C.J.Chiara, M.P.Carpenter, C.N.Davids, M.Devlin, D.B.Fossan, S.J.Freeman, R.V.F.Janssens, D.R.LaFosse, D.G.Sarantites, D.Seweryniak, K.Starosta, R.Wadsworth, A.N.Wilson, R.Wyss

Excited states and signature inversion in 116Cs

NUCLEAR REACTIONS 58Ni(64Zn, npα), E=265 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 116Cs deduced high-spin levels, J, π, configurations, signature inversion. Gammasphere, Microball arrays.

doi: 10.1103/PhysRevC.74.034310
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2006ST26      Phys.Scr. T125, 18 (2006)

K.Starosta, I.Hamamoto, T.Koike, C.Vaman

Electromagnetic properties of nuclear chiral partners

NUCLEAR STRUCTURE 134Pr; analyzed levels, J, π, B(M1)/B(E2), chiral partner bands. 128Cs, 132La; analyzed chiral partner bands B(E2), B(M1).

doi: 10.1088/0031-8949/2006/T125/004
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2006TI01      Phys.Rev. C 73, 011301 (2006)

J.Timar, C.Vaman, K.Starosta, D.B.Fossan, T.Koike, D.Sohler, I.Y.Lee, A.O.Macchiavelli

Role of the core in degeneracy of chiral candidate band doubling: 103Rh

NUCLEAR REACTIONS 96Zr(11B, 4n), E=40 MeV; measured Eγ, Iγ, γγ-coin. 103Rh deduced high-spin levels, J, π, chiral partner bands, configurations. Gammasphere array.

NUCLEAR STRUCTURE 102,103,104,105Rh; analyzed rotational bands, band doubling features.

doi: 10.1103/PhysRevC.73.011301
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2005FO06      Phys.Rev. C 71, 064314 (2005)

N.Fotiades, R.O.Nelson, M.Devlin, K.Starosta, J.A.Becker, L.A.Bernstein, P.E.Garrett, W.Younes

States in 197Au from the (n, n'γ) reaction

NUCLEAR REACTIONS 197Au(n, n'γ), E ≈ 2-12 MeV; measured Eγ, Iγ, γγ-coin, excitation functions. 197Au deduced levels, J, π, configurations.

doi: 10.1103/PhysRevC.71.064314
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2005JO04      Eur.Phys.J. A 24, 23 (2005)

P.Joshi, A.R.Wilkinson, T.Koike, D.B.Fossan, S.Finnigan, E.S.Paul, P.M.Raddon, G.Rainovski, K.Starosta, A.J.Simons, C.Vaman, R.Wadsworth

First evidence for chirality in Tc isotopes: Spectroscopy of 100Tc

NUCLEAR REACTIONS 96Zr(7Li, 3n), E=27 MeV; measured Eγ, Iγ, γγ-coin. 100Tc deduced levels, J, π, B(M1)/B(E2), chiral partner bands. Total Routhian surface and core quasi-particle coupling model calculations.

doi: 10.1140/epja/i2004-10120-y
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2005JO20      J.Phys.(London) G31, S1895 (2005)

P.Joshi, S.Finnigan, D.B.Fossan, T.Koike, E.S.Paul, G.Rainovski, K.Starosta, C.Vaman, R.Wadsworth

Evidence for a new region of chirality around A ∼ 104

NUCLEAR REACTIONS 100Mo(10B, 4n), E=42 MeV; measured Eγ, Iγ, γγ-coin. 106Ag deduced high-spin levels, J, π, configurations, possible triaxial rotation. Gammasphere array.

NUCLEAR STRUCTURE 98,100,102,104,106Rh, 98,100Tc; analyzed rotational band energies, configurations, chirality.

doi: 10.1088/0954-3899/31/10/096
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2005KO34      J.Phys.(London) G31, S1741 (2005)

T.Koike, K.Starosta, P.Joshi, G.Rainovski, J.Timar, C.Vaman, R.Wadsworth

Recent progress on the investigation of spontaneous formation of chirality in rotating nuclei

NUCLEAR STRUCTURE 104,105Rh, 130Cs, 134Pr; analyzed doublet rotational band excitation energies, B(M1)/B(E2); deduced chiral features.

doi: 10.1088/0954-3899/31/10/065
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2005LA07      Phys.Rev. C 71, 034318 (2005)

S.Lalkovski, G.Rainovski, K.Starosta, M.P.Carpenter, D.B.Fossan, S.Finnigan, S.Ilieva, P.Joshi, T.Koike, E.S.Paul, N.Pietralla, C.Vaman, R.Wadsworth

Quasi-γ band and odd-even staggering effect in 102Ru

NUCLEAR REACTIONS 96Zr(10B, 3np), E=42 MeV; measured Eγ, Iγ, γγ-coin. 102Ru deduced levels, J, π, rotational bands, triaxial deformation. Gammasphere array.

doi: 10.1103/PhysRevC.71.034318
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2005RO12      Int.J.Mod.Phys. E14, 427 (2005)

S.G.Rohozinski, K.Starosta

Quasiparticle pairs in odd-odd nuclei

doi: 10.1142/S0218301305003235
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2005SI13      J.Phys.(London) G31, 541 (2005)

A.J.Simons, P.Joshi, D.G.Jenkins, P.M.Raddon, R.Wadsworth, D.B.Fossan, T.Koike, C.Vaman, K.Starosta, E.S.Paul, H.J.Chantler, A.O.Evans, P.Bednarczyk, D.Curien

Evidence for chiral structures in 130Cs

NUCLEAR REACTIONS 124Sn(11B, 5n), E=60 MeV; measured Eγ, Iγ, γγ-coin. 130Cs deduced high-spin levels, J, π, B(M1)/B(E2), chiral structure. Euroball IV array.

doi: 10.1088/0954-3899/31/7/001
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2005SM07      Phys.Lett. B 625, 203 (2005)

J.F.Smith, C.J.Chiara, M.P.Carpenter, H.J.Chantler, P.T.W.Choy, C.N.Davids, M.Devlin, J.L.Durell, D.B.Fossan, S.J.Freeman, R.V.F.Janssens, N.S.Kelsall, T.Koike, D.R.LaFosse, E.S.Paul, P.Reiter, D.G.Sarantites, D.Seweryniak, K.Starosta, R.Wadsworth, A.N.Wilson, P.-H.Heenen

First observation of very neutron-deficient 122Ce

NUCLEAR REACTIONS 64Zn(64Zn, 2nα), E=260 MeV; measured Eγ, Iγ, γγ-, nγ-, (charged particle)γ-, (recoil)γ-coin. 122Ce deduced levels, J, π, rotational band, angular distribution ratios, transition multipolarities, quadrupole deformation parameter. Microball and Gammasphere arrays, comparison with Woods-Saxon cranking predictions.

doi: 10.1016/j.physletb.2005.08.035
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2005SO09      Phys.Rev. C 71, 064302 (2005)

D.Sohler, J.Timar, G.Rainovski, P.Joshi, K.Starosta, D.B.Fossan, J.Molnar, R.Wadsworth, A.Algora, P.Bednarczyk, D.Curien, Zs.Dombradi, G.Duchene, A.Gizon, J.Gizon, D.G.Jenkins, T.Koike, A.Krasznahorkay, E.S.Paul, P.M.Raddon, J.N.Scheurer, A.J.Simons, C.Vaman, A.R.Wilkinson, L.Zolnai

High-spin structure of 102Ru

NUCLEAR REACTIONS 96Zr(13C, 3nα), E=51, 58 MeV; measured Eγ, Iγ, γγ-, γα-coin. 102Ru deduced high-spin levels J, π, configurations, B(M1)/B(E2). Euroball IV and Diamant arrays.

doi: 10.1103/PhysRevC.71.064302
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2004JO10      Phys.Lett. B 595, 135 (2004)

P.Joshi, D.G.Jenkins, P.M.Raddon, A.J.Simons, R.Wadsworth, A.R.Wilkinson, D.B.Fossan, T.Koike, K.Starosta, C.Vaman, J.Timar, Zs.Dombradi, A.Krasznahorkay, J.Molnar, D.Sohler, L.Zolnai, A.Algora, E.S.Paul, G.Rainovski, A.Gizon, J.Gizon, P.Bednarczyk, D.Curien, G.Duchene, J.N.Scheurer

Stability of chiral geometry in the odd-odd Rh isotopes: spectroscopy of 106Rh

NUCLEAR REACTIONS 96Zr(13C, 2np), E=51 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 106Rh deduced high-spin levels, J, π, B(M1)/B(E2), configurations. Euroball IV, Diamant arrays. Core-quasiparticle coupling model calculations.

doi: 10.1016/j.physletb.2004.05.066
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2004KL02      Phys.Rev. C 69, 034338 (2004)

A.Klein, P.Protopapas, S.G.Rohozinski, K.Starosta

Kerman-Klein-Donau-Frauendorf model for odd-odd nuclei: Formal theory

doi: 10.1103/PhysRevC.69.034338
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2004KO55      Phys.Rev.Lett. 93, 172502 (2004)

T.Koike, K.Starosta, I.Hamamoto

Chiral Bands, Dynamical Spontaneous Symmetry Breaking, and the Selection Rule for Electromagnetic Transitions in the Chiral Geometry

NUCLEAR STRUCTURE 130Cs; calculated levels, J, π, B(E2), B(M1), degenerate chiral rotational bands, selection rule.

doi: 10.1103/PhysRevLett.93.172502
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2004SM02      Phys.Rev. C 69, 034339 (2004)

J.F.Smith, V.Medina-Chico, C.J.Chiara, M.P.Carpenter, C.N.Davids, M.Devlin, J.L.Durell, D.B.Fossan, S.J.Freeman, R.V.F.Janssens, D.R.LaFosse, M.J.Leddy, P.Reiter, D.G.Sarantites, D.Seweryniak, K.Starosta, R.Wadsworth, A.N.Wilson, J.N.Wilson

High-spin spectroscopy and quasiparticle alignments in 124, 125Ce

NUCLEAR REACTIONS 64Zn(64Zn, 2n2p), (64Zn, n2p), E=260 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 124,125Ce deduced high-spin levels, J, π, configurations, B(M1)/B(E2). Gammasphere, Microball arrays. Cranked mean-field model analysis.

doi: 10.1103/PhysRevC.69.034339
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2004TI04      Phys.Lett. B 598, 178 (2004)

J.Timar, P.Joshi, K.Starosta, V.I.Dimitrov, D.B.Fossan, J.Molnar, D.Sohler, R.Wadsworth, A.Algora, P.Bednarczyk, D.Curien, Zs.Dombradi, G.Duchene, A.Gizon, J.Gizon, D.G.Jenkins, T.Koike, A.Krasznahorkay, E.S.Paul, P.M.Raddon, G.Rainovski, J.N.Scheurer, A.J.Simons, C.Vaman, A.R.Wilkinson, L.Zolnai, S.Frauendorf

Experimental evidence for chirality in the odd-A 105Rh

NUCLEAR REACTIONS 96Zr(13C, 3np), E=51, 58 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 105Rh deduced high-spin levels, J, π, B(M1)/B(E2), configurations, chiral partner bands. Euroball IV, Diamant arrays.

doi: 10.1016/j.physletb.2004.07.050
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2004VA01      Phys.Rev.Lett. 92, 032501 (2004)

C.Vaman, D.B.Fossan, T.Koike, K.Starosta, I.Y.Lee, A.O.Macchiavelli

Chiral Degeneracy in Triaxial 104Rh

NUCLEAR REACTIONS 96Zr(11B, 3n), E=38, 40 MeV; measured Eγ, Iγ, γγ-coin. 104Rh deduced levels, J, π, configurations, chiral doublet bands. Gammasphere array.

doi: 10.1103/PhysRevLett.92.032501
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2003KO23      Phys.Rev. C 67, 044319 (2003)

T.Koike, K.Starosta, C.J.Chiara, D.B.Fossan, D.R.LaFosse

Systematic search of πh11/2 (X) νh11/2 chiral doublet bands and role of triaxiality in odd-odd Z = 55 isotopes: 128, 130, 132, 134Cs

NUCLEAR REACTIONS 122,124Sn(10B, 4n), E=47 MeV; 130Te(6Li, 4n), E=38 MeV; 130Te(7Li, 3n), E=28, 33 MeV; measured Eγ, Iγ, γγ-coin. 128,130,132,134Cs deduced levels, J, π, B(M1)/B(E2), configurations, role of triaxiality. Level systematics in neighboring nuclides discussed.

NUCLEAR STRUCTURE 128Cs; calculated levels, J, π, B(E2), B(M1). Triaxial core-quasiparticle coupling model.

doi: 10.1103/PhysRevC.67.044319
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2003RA28      Phys.Rev. C 68, 024318 (2003)

G.Rainovski, E.S.Paul, H.J.Chantler, P.J.Nolan, D.G.Jenkins, R.Wadsworth, P.Raddon, A.Simons, D.B.Fossan, T.Koike, K.Starosta, C.Vaman, E.Farnea, A.Gadea, Th.Kroll, R.Isocrate, G.de Angelis, D.Curien, V.I.Dimitrov

Candidate chiral twin bands in the odd-odd nucleus 132Cs: Exploring the limits of chirality in the mass A ≈ 130 region

NUCLEAR REACTIONS 124Sn(13C, 4np), E=75 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 132Cs deduced high-spin levels, J, π, configurations. Euroball IV and Euclides arrays, tilted-axis cranking analysis.

doi: 10.1103/PhysRevC.68.024318
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2003RA48      J.Phys.(London) G29, 2763 (2003)

G.Rainovski, E.S.Paul, H.J.Chantler, P.J.Nolan, D.G.Jenkins, R.Wadsworth, P.Raddon, A.Simons, D.B.Fossan, T.Koike, K.Starosta, C.Vaman, E.Farnea, A.Gadea, Th.Kroll, G.de Angelis, R.Isocrate, D.Curien, V.I.Dimitrov

Planar and aplanar tilted bands in the odd-odd nucleus 132Cs

NUCLEAR REACTIONS 124Sn(13C, 4np), E=75 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin, γ-ray linear polarization. 132Cs deduced high-spin levels, J, π, B(M1)/B(E2), configurations. Euroball IV and Euclides arrays. Tilted-axis cranking model, core-particle coupling model.

doi: 10.1088/0954-3899/29/12/008
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2003RO09      Phys.Rev. C 67, 057301 (2003)

S.P.Roberts, T.Ahn, K.Starosta, T.Koike, C.J.Chiara, C.Vaman

Low-spin studies of the πh11/2νh11/2 structure in 134Pr

NUCLEAR REACTIONS 119Sn(19F, 4n), E=76 MeV; measured prompt and delayed Eγ, Iγ, γγ-coin. 134Pr deduced levels, J, π, ICC, isomeric state T1/2.

doi: 10.1103/PhysRevC.67.057301
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2003ST21      Nucl.Instrum.Methods Phys.Res. A515, 771 (2003)

K.Starosta, D.B.Fossan, T.Koike, C.Vaman, D.C.Radford, C.J.Chiara

Background subtraction for Doppler-shift attenuation and angular correlation measurements with multi-detector Ge arrays

NUCLEAR REACTIONS 116Cd(23Na, 5n), E not given; measured Eγ, Iγ, γγ-coin, DSA. 134Pr deduced transitions. Gammasphere array, background subtraction technique discussed.

doi: 10.1016/j.nima.2003.07.008
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2003ZH25      Phys.Rev.Lett. 91, 132501 (2003)

S.Zhu, U.Garg, B.K.Nayak, S.S.Ghugre, N.S.Pattabiraman, D.B.Fossan, T.Koike, K.Starosta, C.Vaman, R.V.F.Janssens, R.S.Chakrawarthy, M.Whitehead, A.O.Macchiavelli, S.Frauendorf

A Composite Chiral Pair of Rotational Bands in the Odd-A Nucleus 135Nd

NUCLEAR REACTIONS 110Pd(30Si, 5n), E=133 MeV; measured Eγ, Iγ, γγ-coin. 135Nd deduced high-spin levels, J, π, three-quasiparticle chiral structure. Gammasphere array.

doi: 10.1103/PhysRevLett.91.132501
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2002CH38      Phys.Rev. C66, 014311 (2002)

H.J.Chantler, E.S.Paul, A.J.Boston, M.P.Carpenter, R.Charity, C.J.Chiara, P.T.W.Choy, C.N.Davids, M.Devlin, A.M.Fletcher, D.B.Fossan, D.G.Jenkins, N.S.Kelsall, T.Koike, D.R.LaFosse, P.J.Nolan, D.G.Sarantites, D.Seweryniak, J.F.Smith, K.Starosta, R.Wadsworth, A.N.Wilson

Signature Inversion in Doubly Odd 124La

NUCLEAR REACTIONS 64Zn(64Zn, n3p), E=260 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-, (neutron)γ-, (recoil)γ-coin. 124La deduced high-spin levels, possible J, π, δ, configurations, signature inversion. Cranked mean-field calculations.

doi: 10.1103/PhysRevC.66.014311
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2002PA22      Phys.Rev. C65, 051308 (2002)

E.S.Paul, A.J.Boston, H.J.Chantler, P.J.Nolan, M.P.Carpenter, R.V.F.Janssens, F.G.Kondev, D.Seweryniak, C.J.Chiara, D.B.Fossan, T.Koike, K.Starosta, D.R.LaFosse, A.M.Fletcher, J.C.Lisle, D.Patel, J.F.Smith, W.Reviol, D.G.Sarantites, R.Wadsworth, A.N.Wilson, I.Ragnarsson

Core-Excited Smoothly Terminating Band in 114Xe

NUCLEAR REACTIONS 58Ni(58Ni, 2p), E=230 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 114Xe deduced high-spin levels, J, π, configurations, band termination features. Gammasphere, Microball arrays, cranked mean-field calculations.

doi: 10.1103/PhysRevC.65.051308
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2002ST13      Phys.Rev. C65, 044328 (2002)

K.Starosta, C.J.Chiara, D.B.Fossan, T.Koike, T.T.S.Kuo, D.R.LaFosse, S.G.Rohozinski, Ch.Droste, T.Morek, J.Srebrny

Role of Chirality in Angular Momentum Coupling for A ∼ 130 Odd-Odd Triaxial Nuclei: 132La

NUCLEAR REACTIONS 123Sb(13C, 4n), E=64 MeV; measured Eγ, Iγ, γγ-coin. 132La deduced levels, J, π, configurations.

NUCLEAR STRUCTURE 130,131,132Ba, 131,132,133La; calculated levels, J, π. Core-particle-hole coupling model.

doi: 10.1103/PhysRevC.65.044328
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2002WI10      Phys.Rev. C66, 021305 (2002)

A.N.Wilson, D.R.LaFosse, J.F.Smith, C.J.Chiara, A.J.Boston, M.P.Carpenter, H.J.Chantler, R.Charity, P.T.W.Choy, M.Devlin, A.M.Fletcher, D.B.Fossan, R.V.F.Janssens, D.G.Jenkins, N.S.Kelsall, F.G.Kondev, T.Koike, E.S.Paul, D.G.Sarantites, D.Seweryniak, K.Starosta, R.Wadsworth

Observation of excited states in the near-drip-line nucleus 125Pr

NUCLEAR REACTIONS 64Zn(64Zn, 2np), E=260 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-, (neutron)γ-, (recoil)γ-coin. 125Pr deduced high-spin levels, J, π, configurations. Gammasphere, Microball arrays, mass separator.

doi: 10.1103/PhysRevC.66.021305
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2001CH71      Phys.Rev. C64, 054314 (2001)

C.J.Chiara, D.B.Fossan, V.P.Janzen, T.Koike, D.R.LaFosse, G.J.Lane, S.M.Mullins, E.S.Paul, D.C.Radford, H.Schnare, J.M.Sears, J.F.Smith, K.Starosta, P.Vaska, R.Wadsworth, D.Ward, S.Frauendorf

Spectroscopy in the Z = 49 108, 110In Isotopes: Lifetime measurements in shears bands

NUCLEAR REACTIONS 76Ge(37Cl, 5n), E=138 MeV; measured Eγ, Iγ, γγ-coin. 96Zr(19F, 5n), E=85, 88 MeV; 94Mo(18O, 3np), E=85 MeV; measured Eγ, Iγ, γγ-coin, DSA. 108,110In deduced high-spin levels, J, π, configurations, T1/2, B(M1), B(E2), shears bands features. Tilted-axis cranking calculations.

doi: 10.1103/PhysRevC.64.054314
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2001KO30      Phys.Rev. C63, 061304 (2001)

T.Koike, K.Starosta, C.J.Chiara, D.B.Fossan, D.R.LaFosse

Observation of Chiral Doublet Bands in Odd-Odd N = 73 Isotones

NUCLEAR REACTIONS 122Sn(10B, 4n), E=47 MeV; 124Te(10B, 4n), E=51 MeV; 117Sn(19F, 4n), E=88 MeV; measured Eγ, Iγ, γγ-coin. 128Cs, 130La, 132Pr deduced levels, J, π, rotational bands, configurations, chiral symmetry breaking.

doi: 10.1103/PhysRevC.63.061304
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2001MO05      Phys.Rev. C63, 034302 (2001)

T.Morek, J.Srebrny, Ch.Droste, M.Kowalczyk, T.Rzaca-Urban, K.Starosta, W.Urban, R.Kaczarowski, E.Ruchowska, M.Kisielinski, A.Kordyasz, J.Kownacki, M.Palacz, E.Wesolowski, W.Gast, R.M.Lieder, P.Bednarczyk, W.Meczynski, J.Styczen

Investigation of the Kπ = 8- Isomer in 132Ce

NUCLEAR REACTIONS 120Sn(16O, 4n), E=80 MeV; measured delayed Eγ, Iγ(t), γγ-coin. 132Ce deduced levels, J, π, T1/2 and hindrance factor for high-K isomer. Systematics of isomers in mass region discussed.

doi: 10.1103/PhysRevC.63.034302
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2001SM13      Phys.Lett. 523B, 13 (2001)

J.F.Smith, C.J.Chiara, D.B.Fossan, D.R.LaFosse, G.J.Lane, J.M.Sears, K.Starosta, M.Devlin, F.Lerma, D.G.Sarantites, S.J.Freeman, M.J.Leddy, J.L.Durell, A.J.Boston, E.S.Paul, A.T.Semple, I.Y.Lee, A.O.Macchiavelli, P.H.Heenen

Excited States and Deformation of 112Xe

NUCLEAR REACTIONS 58Ni(58Ni, xnyp), E=219-264 MeV; measured excitation functions. 58Ni(58Ni, 2n2p), E=250 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-, (neutron)γ-coin. 112Xe deduced levels, J, π, B(E2), B(E1), rotational bands, deformation. Gammasphere, Microball arrays. Comparisons with neighboring isotopes, model predictions.

doi: 10.1016/S0370-2693(01)01339-9
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2001SR01      Nucl.Phys. A683, 21 (2001)

J.Srebrny, Ch.Droste, T.Morek, K.Starosta, A.A.Wasilewski, A.A.Pasternak, E.O.Podsvirova, Yu.N.Lobach, G.H.Hagemann, S.Juutinen, M.Piiparinen, S.Tormanen, A.Virtanen

Transition Probabilities in Negative Parity Bands of the 119I Nucleus

NUCLEAR REACTIONS 109Ag(13C, 3n), E=54 MeV; measured Eγ, Iγ, γγ-coin, DSA. 119I deduced high-spin levels, J, π, T1/2, B(E2). Recoil-distance Doppler shift attenuation method. Comparisons with model predictions.

doi: 10.1016/S0375-9474(00)00457-7
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2001ST04      Phys.Rev.Lett. 86, 971 (2001)

K.Starosta, T.Koike, C.J.Chiara, D.B.Fossan, D.R.LaFosse, A.A.Hecht, C.W.Beausang, M.A.Caprio, J.R.Cooper, R.Krucken, J.R.Novak, N.V.Zamfir, K.E.Zyromski, D.J.Hartley, D.L.Balabanski, J.-Y.Zhang, S.Frauendorf, V.I.Dimitrov

Chiral Doublet Structure in Odd-Odd N = 75 Isotones: Chiral vibrations

NUCLEAR REACTIONS 124Sn(10B, 4n), E=47 MeV; 123Sb(13C, 4n), E=64 MeV; 116Sn(24Mg, 4n), E=130 MeV; measured Eγ, Iγ, γγ-coin. 130Cs, 132La, 136Pm deduced high-spin levels, J, π, possible chiral vibrations. Tilted axis cranking calculations.

doi: 10.1103/PhysRevLett.86.971
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2001ST08      Nucl.Phys. A682, 375c (2001)

K.Starosta, T.Koike, C.J.Chiara, D.B.Fossan, D.R.LaFosse

Chirality in Odd-Odd Triaxial Nuclei

NUCLEAR STRUCTURE 118I, 130Cs, 132La, 134Pr, 136Pm; analyzed rotational bands data; deduced spontaneous chiral symmetry breaking. Phenomenological core-proton-neutron coupling calculations, tilted axis cranking calculations.

doi: 10.1016/S0375-9474(00)00663-1
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