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Search: Author = C.M.Townsley

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2020KN04      Phys.Rev. C 102, 054322 (2020)

L.Knafla, P.Alexa, U.Koster, G.Thiamova, J.-M.Regis, J.Jolie, A.Blanc, A.M.Bruce, A.Esmaylzadeh, L.M.Fraile, G.de France, G.Hafner, S.Ilieva, M.Jentschel, V.Karayonchev, W.Korten, T.Kroll, S.Lalkovski, S.Leoni, H.Mach, N.Marginean, P.Mutti, G.Pascovici, V.Paziy, Zs.Podolyak, P.H.Regan, O.J.Roberts, N.Saed-Samii, G.S.Simpson, J.F.Smith, T.Soldner, C.Townsley, C.A.Ur, W.Urban, A.Vancraeyenest, N.Warr

Lifetime measurements in the odd-A nucleus 177Hf

RADIOACTIVITY 177mLu(β-)[from thermal neutron activation of Lu(NO3)3 at the FRM2 reactor in Garching]; measured Eγ, Iγ, γγ-coin, half-lives of levels in 177Hf by γγ(t) and generalized-centroid-difference (GCD) method using EXILL-FATIMA array of eight HPGe-Clover detectors and 16 fast-timing LaBr3(Ce) detectors at ILL-Grenoble. 177Hf; deduced levels, J, π, B(M1), B(E2), B(E1), configurations. Comparison to particle-rotor-model (PRM), and quasiparticle-phonon-model (QPM) calculations with multipole-multipole interactions. 176Hf; calculated microscopic structure of the lowest 2-qp vibrational states.

doi: 10.1103/PhysRevC.102.054322
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2019SP03      Phys.Rev. C 100, 014311 (2019)

P.Spagnoletti, G.Simpson, S.Kisyov, D.Bucurescu, J.-M.Regis, N.Saed-Samii, A.Blanc, M.Jentschel, U.Koster, P.Mutti, T.Soldner, G.de France, C.A.Ur, W.Urban, A.M.Bruce, C.Bernards, F.Drouet, L.M.Fraile, L.P.Gaffney, D.G.Ghita, S.Ilieva, J.Jolie, W.Korten, T.Kroll, S.Lalkovski, C.Larijarni, R.Lica, H.Mach, N.Marginean, V.Paziy, Zs.Podolyak, P.H.Regan, M.Scheck, J.F.Smith, G.Thiamova, C.Townsley, A.Vancraeyenest, V.Vedia, N.Warr, V.Werner, M.Zielinska

Lifetimes and shape-coexisting states of 99Zr

NUCLEAR REACTIONS 235U(n, F), E=cold neutrons from high-flux reactor of the Institut Laue-Langevin; measured Eγ, Iγ, level half-lives by γγ(t) using EXILL-FATIMA Ge and LaBr3(Ce) detector array for fast-timing technique. 99Zr; deduced levels, J, π, B(E2), B(M1), Q(transition), β2, configuration, kinematic moment of inertia for ν3/2[451] band. Systematics of kinematic moments of inertia of ν3/2[411] bands in 99,101,103Zr, 97Sr. Comparison with theoretical calculations using IBFM-1 model, and with previous experimental results.

doi: 10.1103/PhysRevC.100.014311
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2017AN15      Phys.Rev. C 96, 054323 (2017)

S.Ansari, J.-M.Regis, J.Jolie, N.Saed-Samii, N.Warr, W.Korten, M.Zielinska, M.-D.Salsac, A.Blanc, M.Jentschel, U.Koster, P.Mutti, T.Soldner, G.S.Simpson, F.Drouet, A.Vancraeyenest, G.de France, E.Clement, O.Stezowski, C.A.Ur, W.Urban, P.H.Regan, Zs.Podolyak, C.Larijani, C.Townsley, R.Carroll, E.Wilson, H.Mach, L.M.Fraile, V.Paziy, B.Olaizola, V.Vedia, A.M.Bruce, O.J.Roberts, J.F.Smith, M.Scheck, T.Kroll, A.-L.Hartig, A.Ignatov, S.Ilieva, S.Lalkovski, N.Marginean, T.Otsuka, N.Shimizu, T.Togashi, Y.Tsunoda

Experimental study of the lifetime and phase transition in neutron-rich 98, 100, 102Zr

NUCLEAR REACTIONS 235U(n, F), 241Pu(n, F), E=cold neutrons beam from PF1B, Institut Laue-Langevin (ILL), Grenoble; measured Eγ, γγ-coin, half-lives of the first 2+, 4+ and 6+ levels by fast-timing technique using the EXILL-FATIMA array consisting of eight EXOGAM clovers and 16 LaBr3(Ce) scintillators; fast-timing coincidence events analyzed using method of mirror symmetric centroid difference (MSCD) and generalized centroid difference method (GCDM). 98,100,102Zr; deduced levels, B(E2). Comparison with Interacting Boson model and Monte-Carlo shell-model calculations, and with previous experimental results. Systematics of B(E2) values for the first 2+, 4+ and 6+ states in 96,98,100,102,104,106Zr.

doi: 10.1103/PhysRevC.96.054323
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2017RE05      Phys.Rev. C 95, 054319 (2017); Erratum Phys.Rev. C 95, 069902 (2017)

J.-M.Regis, J.Jolie, N.Saed-Samii, N.Warr, M.Pfeiffer, A.Blanc, M.Jentschel, U.Koster, P.Mutti, T.Soldner, G.S.Simpson, F.Drouet, A.Vancraeyenest, G.de France, E.Clement, O.Stezowski, C.A.Ur, W.Urban, P.H.Regan, Zs.Podolyak, C.Larijani, C.Townsley, R.Carroll, E.Wilson, L.M.Fraile, H.Mach, V.Paziy, B.Olaizola, V.Vedia, A.M.Bruce, O.J.Roberts, J.F.Smith, M.Scheck, T.Kroll, A.-L.Hartig, A.Ignatov, S.Ilieva, S.Lalkovski, W.Korten, N.Marginean, T.Otsuka, N.Shimizu, T.Togashi, Y.Tsunoda

Abrupt shape transition at neutron number N=60: B(E2) values in 94, 96, 98Sr from fast γ - γ timing

NUCLEAR REACTIONS 235U(n, Fγ), E=cold neutron beam; measured Eγ, Iγ, level half-lives by fast-timing γγ(t) method using EXILL and FATIMA spectrometer at ILL-Grenoble reactor facility. 94,96,98Sr; deduced levels, B(E2)values. Comparison with previous experimental values, and with Monte Carlo Shell-model calculations.

doi: 10.1103/PhysRevC.95.054319
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2017SP02      Phys.Rev. C 95, 021302 (2017)

P.Spagnoletti, G.S.Simpson, R.Carroll, J.-M.Regis, A.Blanc, M.Jentschel, U.Koster, P.Mutti, T.Soldner, G.de France, C.A.Ur, W.Urban, A.M.Bruce, F.Drouet, L.M.Fraile, L.P.Gaffney, D.G.Ghita, S.Ilieva, J.Jolie, W.Korten, T.Kroll, C.Larijani, S.Lalkovski, R.Lica, H.Mach, N.Marginean, V.Paziy, Zs.Podolyak, P.H.Regan, M.Scheck, N.Saed-Samii, G.Thiamova, C.Townsley, A.Vancraeyenest, V.Vedia, A.Gargano, P.Van Isacker

Half-life of the 15/2+ state of 135I A test of E2 seniority relations

NUCLEAR REACTIONS 235U(n, F)135I, E=cold neutrons at PF1B facility and high-flux reactor of the ILL-Grenoble; measured prompt Eγ, Iγ, half-life of (15/2+) state in 135I by γγ(t) using EXILL-FATIMA γ-detector array of Clover Ge and LaBr3 detectors. 135I; deduced levels, B(E2), configuration, E2 seniority relations between B(E2) values in neighboring nuclei.

NUCLEAR STRUCTURE 134Te, 135I; calculated levels, J, π, B(E2) by large-scale shell-model calculations; deduced large two-body component of the E2 operator, whereas small energy shifts due to the three-body component of the effective interaction.

doi: 10.1103/PhysRevC.95.021302
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2016RO02      Phys.Rev. C 93, 014309 (2016)

O.J.Roberts, C.R.Nita, A.M.Bruce, N.Marginean, D.Bucurescu, D.Deleanu, D.Filipescu, N.M.Florea, I.Gheorghe, D.Ghita, T.Glodariu, R.Lica, R.Marginean, C.Mihai, A.Negret, T.Sava, L.Stroe, R.Suvaila, S.Toma, T.Alharbi, T.Alexander, S.Aydin, B.A.Brown, F.Browne, R.J.Carroll, K.Mulholland, Zs.Podolyak, P.H.Regan, J.F.Smith, M.Smolen, C.M.Townsley

E3 and M2 transition strengths in 20983Bi

NUCLEAR REACTIONS 208Pb(7Li, 2nα), E=32 MeV; measured Eγ, Iγ, γγ-coin, level half-lives by γγ(t) fast timing technique, γ(θ) using RoSPHERE array at NIPNE, Bucharest accelerator facility. 209Bi; deduced levels, J, π, multipolarity, E3/M2 mixing ratio, B(M2), B(E3). Comparison of transition rates with theoretical calculations using shell model and theory of finite Fermi systems (FFS).

doi: 10.1103/PhysRevC.93.014309
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2015AL06      Phys.Rev. C 91, 027302 (2015)

T.Alharbi, P.H.Regan, N.Marginean, Zs.Podolyak, O.J.Roberts, A.M.Bruce, N.Alkhomashi, R.Britton, D.Bucurescu, D.Deleanu, D.Filipescu, D.Ghita, T.Glodariu, C.Mihai, K.Mulholland, R.Lica, R.Marginean, M.Nakhostin, A.Negret, C.R.Nita, L.Stroe, T.Sava, C.Townsley, N.V.Zamfir

Lifetime of the yrast Iπ = 5 - state and E1 hindrance in the transitional nucleus 13658Ce

NUCLEAR REACTIONS 124Sn(16O, 4n), E=68 MeV; measured Eγ, Iγ, γγ-coin, level half-lives by γγ(t) using ROSPHERE array at Tandem accelerator of NIPNE-Bucharest. 136Ce; deduced high-spin levels, J, π, B(E1). Systematics of B(E1) for 5- to 4+ states in 132,134,136Ba and 136,138Ce.

doi: 10.1103/PhysRevC.91.027302
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2014AL16      Nucl.Data Sheets 120, 59 (2014)

T.Alharbi, P.H.Regan, N.Marginean, Zs.Podolyak, A.Bajoga, R.Britton, D.Bucurescu, D.Deleanu, D.Filipescu, D.Ghita, T.Glodariu, C.Mihai, K.Mulholland, R.Marginean, A.Negret, C.R.Nita, Z.Patel, O.J.Roberts, L.Stroe, T.Sava, C.Townsley, N.V.Zamfir

Sub-nanosecond Half-life Measurement of the Yrast Iπ = 5- State in the N=78 Nucleus 13658Ce using Fast-timing Coincident Gamma-ray Spectroscopy

NUCLEAR REACTIONS 124Sn(16O, 4n), E=67 MeV; measured reaction products, Eγ, Iγ.; deduced energy levels, J, π, T1/2, E1 decay strength, K-hindrance. Comparison with available data.

doi: 10.1016/j.nds.2014.07.006
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2014RE15      Phys.Rev. C 90, 067301 (2014)

J.-M.Regis, J.Jolie, N.Saed-Samii, N.Warr, M.Pfeiffer, A.Blanc, M.Jentschel, U.Koster, P.Mutti, T.Soldner, G.S.Simpson, F.Drouet, A.Vancraeyenest, G.de France, E.Clement, O.Stezowski, C.A.Ur, W.Urban, P.H.Regan, Zs.Podolyak, C.Larijani, C.Townsley, R.Carroll, E.Wilson, L.M.Fraile, H.Mach, V.Paziy, B.Olaizola, V.Vedia, A.M.Bruce, O.J.Roberts, J.F.Smith, T.Kroll, A.-L.Hartig, A.Ignatov, S.Ilieva, M.Thurauf, S.Lalkovski, D.Ivanova, S.Kisyov, W.Korten, M.-D.Salsac, M.Zielinska, N.Marginean, D.G.Ghita, R.Lica, C.M.Petrache, A.Astier, R.Leguillon

B(E2;2+1 → 0+1) value in 90Kr

NUCLEAR REACTIONS 235U(n, F), E=cold; measured prompt-fission Eγ, γγγ-coin, half-life of first 2+ state in 90Kr by fast timing technique using segmented array of Ge and Ce-doped LaBr3 detectors (EXILL and FATIMA) at ILL, Grenoble facility. 90Kr; deduced level, B(E2) of first 2+ state. Systematics of B(E2) values of first 2+ states in 86,88,90,92,94,96Kr. Comparison with IBM-2 calculations.

doi: 10.1103/PhysRevC.90.067301
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2014RE16      Nucl.Instrum.Methods Phys.Res. A763, 210 (2014)

J.-M.Regis, G.S.Simpson, A.Blanc, G.de France, M.Jentschel, U.Koster, P.Mutti, V.Paziy, N.Saed-Samii, T.Soldner, C.A.Ur, W.Urban, A.M.Bruce, F.Drouet, L.M.Fraile, S.Ilieva, J.Jolie, W.Korten, T.Kroll, S.Lalkovski, H.Mach, N.Marginean, G.Pascovici, Zs.Podolyak, P.H.Regan, O.J.Roberts, J.F.Smith, C.Townsley, A.Vancraeyenest, N.Warr

Germanium-gated γ-γ fast timing of excited states in fission fragments using the EXILL and FATIMA spectrometer

NUCLEAR REACTIONS 235U(n, F), E cold; 35Cl, 48Ti(n, γ), E thermal; measured reaction products, Eγ, Iγ. 100Zr; deduced energy levels, J, π, T1/2. Comparison with available data.

doi: 10.1016/j.nima.2014.06.004
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2013AL03      Phys.Rev. C 87, 014323 (2013)

T.Alharbi, P.H.Regan, P.J.R.Mason, N.Marginean, Zs.Podolyak, A.M.Bruce, E.C.Simpson, A.Algora, N.Alazemi, R.Britton, M.R.Bunce, D.Bucurescu, N.Cooper, D.Deleanu, D.Filipescu, W.Gelletly, D.Ghita, T.Glodariu, G.Ilie, S.Kisyov, J.Lintott, S.Lalkovski, S.Liddick, C.Mihai, K.Mulholland, R.Marginean, A.Negret, M.Nakhostin, C.R.Nita, O.J.Roberts, S.Rice, J.F.Smith, L.Stroe, T.Sava, C.Townsley, E.Wilson, V.Werner, M.Zhekova, N.V.Zamfir

Electromagnetic transition rates in the N=80 nucleus 58138Ce

NUCLEAR REACTIONS 130Te(12C, 4n), E=56 MeV; measured Eγ, Iγ, γγ-coin level half-lives by γγ(t) at NIPNE accelerator facility. 138Ce; deduced high-spin levels, J, π, B(E1), B(E2), B(M1), branching ratio. Comparison with shell model calculations. B(E2) systematics for even-even Ce and Ba isotopes.

doi: 10.1103/PhysRevC.87.014323
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2013MA66      Phys.Rev. C 88, 044301 (2013)

P.J.R.Mason, Zs.Podolyak, N.Marginean, P.H.Regan, P.D.Stevenson, V.Werner, T.Alexander, A.Algora, T.Alharbi, M.Bowry, R.Britton, A.M.Bruce, D.Bucurescu, M.Bunce, G.Cata-Danil, I.Cata-Danil, N.Cooper, D.Deleanu, D.Delion, D.Filipescu, W.Gelletly, D.Ghita, I.Gheorghe, T.Glodariu, G.Ilie, D.Ivanova, S.Kisyov, S.Lalkovski, R.Lica, S.N.Liddick, R.Marginean, C.Mihai, K.Mulholland, C.R.Nita, A.Negret, S.Pascu, S.Rice, O.J.Roberts, T.Sava, J.F.Smith, P.-A.Soderstrom, L.Stroe, G.Suliman, R.Suvaila, S.Toma, C.Townsley, E.Wilson, R.T.Wood, M.Zhekova, C.Zhou

Half-life of the yrast 2+ state in 188W: Evolution of deformation and collectivity in neutron-rich tungsten isotopes

NUCLEAR REACTIONS 186W(7Li, pα), E=35 MeV; measured Eγ, γγ-coin, T1/2 of first 2+ state by γγ(t) at IFIN-HH, Bucharest facility. 188W; deduced level, B(E2) for first 2+ state, enhanced γ softness in 188W. Systematics of energies of low-lying 0+, 2+ and 4+ states and B(E2) values for first 2+ states in even-even Hf, W, Os and Pt nuclei with N=102-120.

NUCLEAR STRUCTURE 184,186,188,190,192,194W; calculated Woods-Saxon potential energy surface (PES) contours in (β, γ) plane; deduced prolate to oblate shape transition.

doi: 10.1103/PhysRevC.88.044301
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2013MA74      Phys.Rev. C 88, 044301 (2013)

P.J.R.Mason, Zs.Podolyak, N.Marginean, P.H.Regan, P.D.Stevenson, V.Werner, T.Alexander, A.Algora, T.Alharbi, M.Bowry, R.Britton, A.M.Bruce, D.Bucurescu, M.Bunce, G.Cata-Danil, I.Cata-Danil, N.Cooper, D.Deleanu, D.Delion, D.Filipescu, W.Gelletly, D.Ghita, I.Gheorghe, T.Glodariu, G.Ilie, D.Ivanova, S.Kisyov, S.Lalkovski, R.Lica, S.N.Liddick, R.Marginean, C.Mihai, K.Mulholland, C.R.Nita, A.Negret, S.Pascu, S.Rice, O.J.Roberts, T.Sava, J.F.Smith, P.-A.Soderstrom, L.Stroe, G.Suliman, R.Suvaila, S.Toma, C.Townsley, E.Wilson, R.T.Wood, M.Zhekova, C.Zhou

Half-life of the yrast 2+ state in 188W: Evolution of deformation and collectivity in neutron-rich tungsten isotopes

doi: 10.1103/PhysRevC.88.044301
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2013RO07      Acta Phys.Pol. B44, 403 (2013)

O.J.Roberts, A.M.Bruce, F.Browne, N.Marginean, T.Alexander, T.Alharbi, D.Bucurescu, D.Deleanu, D.Delion, D.Filipescu, L.Fraile, I.Gheorghe, D.Ghita, T.Glodariu, D.Ivanova, S.Kisyov, R.Marginean, P.J.R.Mason, C.Mihai, K.Mulholland, A.Negret, C.Nita, B.Olaizola, S.Pascu, P.-A.Soderstrom, P.H.Regan, T.Sava, L.Stroe, S.Toma, C.Townsley

Half-life Measurements of Excited States in 132Te, 134Xe

NUCLEAR REACTIONS 130Te(7Li, X)132Te/134Xe, E=31.5 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced energy levels, J, π, B(E2). Comparison with systematics.

doi: 10.5506/APhysPolB.44.403
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2012AL25      J.Phys.:Conf.Ser. 381, 012057 (2012)

T.Alharbi, P.J.R.Mason, P.H.Regan, N.Marginean, Zs.Podolyak, A.Algora, N.Alazemi, A.M.Bruce, R.Britton, M.R.Bunce, D.Bucurescu, N.Cooper, D.Deleanu, D.Filipescu, W.Gelletly, D.Ghita, T.Glodariu, G.Ilie, S.Kisyov, J.Lintott, S.Lalkovski, S.Liddick, C.Mihai, K.Mulholland, R.Maginean, A.Negret, M.Nakhostin, O.J.Roberts, S.Rice, J.F.Smith, L.Stroe, T.Sava, C.Townsley, E.Wilson, V.Werner, M.Zhekova, N.V.Zamfir

Electromagnetic Transition Rate Measurements in the N=80 Isotone, 138Ce

NUCLEAR REACTIONS 130Te(12C, 4n)138Ce, E=56 MeV; measured Eγ, Iγ(t), γγ-coin using hyperpure HPGe and LaBr3(Ce); deduced levels, J, π, γ transitions, B(E1), B(E2), B(M1), branching ratios, T1/2 using centroid-shift method and fitting exponential decay.

doi: 10.1088/1742-6596/381/1/012057
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Note: The following list of authors and aliases matches the search parameter C.M.Townsley: , C.M.TOWNSLEY