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Search: Author = C.Fitzpatrick

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2019WR01      Eur.Phys.J. A 55, 130 (2019)

K.Wrzosek-Lipska, K.Rezynkina, N.Bree, M.Zielinska, L.P.Gaffney, A.Petts, A.Andreyev, B.Bastin, M.Bender, A.Blazhev, B.Bruyneel, P.A.Butler, M.P.Carpenter, J.Cederkall, E.Clement, T.E.Cocolios, A.N.Deacon, J.Diriken, A.Ekstrom, C.Fitzpatrick, L.M.Fraile, Ch.Fransen, S.J.Freeman, J.E.Garcia-Ramos, K.Geibel, R.Gernhauser, T.Grahn, M.Guttormsen, B.Hadinia, K.Hadynska-Klek, M.Hass, P.-H.Heenen, R.-D.Herzberg, H.Hess, K.Heyde, M.Huyse, O.Ivanov, D.G.Jenkins, R.Julin, N.Kesteloot, Th.Kroll, R.Krucken, A.C.Larsen, R.Lutter, P.Marley, P.J.Napiorkowski, R.Orlandi, R.D.Page, J.Pakarinen, N.Patronis, P.J.Peura, E.Piselli, L.Prochniak, P.Rahkila, E.Rapisarda, P.Reiter, A.P.Robinson, M.Scheck, S.Siem, K.Singh Chakkal, J.F.Smith, J.Srebrny, I.Stefanescu, G.M.Tveten, P.Van Duppen, J.Van de Walle, D.Voulot, N.Warr, A.Wiens, J.L.Wood

Electromagnetic properties of low-lying states in neutron-deficient Hg isotopes: Coulomb excitation of ¹⁸²Hg, ¹⁸⁴Hg, ¹⁸⁶Hg and ¹⁸⁸Hg

NUCLEAR REACTIONS ¹¹²Cd(¹⁸²Hg, ¹⁸²Hg'), E=519 MeV; ¹²⁰Sn, ¹⁰⁷Ag, ¹¹²Cd(¹⁸⁴Hg, ¹⁸⁴Hg'), E=524 MeV; ¹²⁰Sn, ¹⁰⁷Ag, ¹¹⁴Cd(¹⁸⁶Hg, ¹⁸⁶Hg'), E=530 MeV; ¹²⁰Sn, ¹⁰⁷Ag, ¹¹⁴Cd(¹⁸⁸Hg, ¹⁸⁸Hg'), E=536 MeV; measured reaction products, Eγ, Iγ, X-rays. ^{182,184,186,188}Hg; deduced γ-ray energies, J, π, transition E2 and M1 reduced matrix elements, branching ratios, B(E2). Comparison with theoretical calculations, GOSIA analysis. The Miniball set-up, REX postaccelerator.

doi: 10.1140/epja/i2019-12815-2
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2016CL01      Phys.Rev.Lett. 116, 022701 (2016)

E.Clement, M.Zielinska, A.Gorgen, W.Korten, S.Peru, J.Libert, H.Goutte, S.Hilaire, B.Bastin, C.Bauer, A.Blazhev, N.Bree, B.Bruyneel, P.A.Butler, J.Butterworth, P.Delahaye, A.Dijon, D.T.Doherty, A.Ekstrom, C.Fitzpatrick, C.Fransen, G.Georgiev, R.Gernhauser, H.Hess, J.Iwanicki, D.G.Jenkins, A.C.Larsen, J.Ljungvall, R.Lutter, P.Marley, K.Moschner, P.J.Napiorkowski, J.Pakarinen, A.Petts, P.Reiter, T.Renstrom, M.Seidlitz, B.Siebeck, S.Siem, C.Sotty, J.Srebrny, I.Stefanescu, G.M.Tveten, J.Van de Walle, M.Vermeulen, D.Voulot, N.Warr, F.Wenander, A.Wiens, H.De Witte, K.Wrzosek-Lipska

Spectroscopic Quadrupole Moments in ^{96, 98}Sr: Evidence for Shape Coexistence in Neutron-Rich Strontium Isotopes at N=60

NUCLEAR REACTIONS ¹⁰⁹Ag, ¹²⁰Sn(⁹⁶Sr, ⁹⁶Sr'), E=275 MeV;⁶⁰Ni, ²⁰⁸Pb(⁹⁸Sr, ⁹⁸Sr'), E=276 MeV; measured reaction products, Eγ, Iγ. ^96,98Sr; deduced B(E2) and B(M1)values, spectroscopic quadrupole moments. Comparison with beyond-mean-field calculations using the Gogny D1S interaction, least squares fitting code GOSIA.

NUCLEAR STRUCTURE ^96,98Sr; calculated B(E2) values with the Gogny D1S interaction in a five-dimensional collective Hamiltonian (5DCH) formalism.

doi: 10.1103/PhysRevLett.116.022701
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2016CL03      Phys.Rev. C 94, 054326 (2016)

E.Clement, M.Zielinska, S.Peru, H.Goutte, S.Hilaire, A.Gorgen, W.Korten, D.T.Doherty, B.Bastin, C.Bauer, A.Blazhev, N.Bree, B.Bruyneel, P.A.Butler, J.Butterworth, J.Cederkall, P.Delahaye, A.Dijon, A.Ekstrom, C.Fitzpatrick, C.Fransen, G.Georgiev, R.Gernhauser, H.Hess, J.Iwanicki, D.G.Jenkins, A.C.Larsen, J.Ljungvall, R.Lutter, P.Marley, K.Moschner, P.J.Napiorkowski, J.Pakarinen, A.Petts, P.Reiter, T.Renstrom, M.Seidlitz, B.Siebeck, S.Siem, C.Sotty, J.Srebrny, I.Stefanescu, G.M.Tveten, J.Van de Walle, M.Vermeulen, D.Voulot, N.Warr, F.Wenander, A.Wiens, H.De Witte, K.Wrzosek-Lipska

Low-energy Coulomb excitation of ^{96, 98}Sr beams

NUCLEAR REACTIONS ⁶⁰Ni, ²⁰⁸Pb(⁹⁸Sr, ⁹⁸Sr'), E=276.3 MeV; ¹⁰⁹Ag, ¹²⁰Sn(⁹⁶Sr, ⁹⁶Sr'), E=275.5 MeV; measured Eγ, Iγ, scattered Sr ions and target recoils, (particle)γ-coin, γ(θ), differential Coulomb excitation cross sections using Miniball array for γ detection and Si strip detectors for ions at REX-ISOLDE-CERN facility. ^96,98Sr; deduced levels, E2 and M1 matrix elements, B(E2) and level half-lives, quadrupole moments and deformation parameters, E0 monopole transition strengths using GOSIA2 analysis. Comparison with previous experimental data and five-dimensional collective Hamiltonian and Gogny D1S force, and using complex excited VAMPIR approach. Systematics of level energies, transitional and spectroscopic quadrupole moments in ^94,96Kr, ^96,98Sr, ^98,100Zr, ^100,102Mo. Systematics of energy and B(E2) for first 2+ state, and energies of second 0+ states in ^{90,92,94,96,98,100,102}Sr. ⁶⁰Ni, ²⁰⁸Pb(⁹⁸Rb, ⁹⁸Rb'), E=276 MeV; measured Eγ, Iγ, scattered Rb ions and target recoils, (particle)γ-coin, γ(θ), level half-lives by recoil-distance Doppler shift method. ⁹⁸Rb; deduced levels.

doi: 10.1103/PhysRevC.94.054326
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2014BR05      Phys.Rev.Lett. 112, 162701 (2014)

N.Bree, K.Wrzosek-Lipska, A.Petts, A.Andreyev, B.Bastin, M.Bender, A.Blazhev, B.Bruyneel, P.A.Butler, J.Butterworth, M.P.Carpenter, J.Cederkall, E.Clement, T.E.Cocolios, A.Deacon, J.Diriken, A.Ekstrom, C.Fitzpatrick, L.M.Fraile, Ch.Fransen, S.J.Freeman, L.P.Gaffney, J.E.Garcia-Ramos, K.Geibel, R.Gernhauser, T.Grahn, M.Guttormsen, B.Hadinia, K.Hadynska-Klek, M.Hass, P.-H.Heenen, R.-D.Herzberg, H.Hess, K.Heyde, M.Huyse, O.Ivanov, D.G.Jenkins, R.Julin, N.Kesteloot, Th.Kroll, R.Krucken, A.C.Larsen, R.Lutter, P.Marley, P.J.Napiorkowski, R.Orlandi, R.D.Page, J.Pakarinen, N.Patronis, P.J.Peura, E.Piselli, P.Rahkila, E.Rapisarda, P.Reiter, A.P.Robinson, M.Scheck, S.Siem, K.Singh Chakkal, J.F.Smith, J.Srebrny, I.Stefanescu, G.M.Tveten, P.Van Duppen, J.Van de Walle, D.Voulot, N.Warr, F.Wenander, A.Wiens, J.L.Wood, M.Zielinska

Shape Coexistence in the Neutron-Deficient Even-Even ^182-188Hg Isotopes Studied via Coulomb Excitation

NUCLEAR REACTIONS ¹²⁰Sn, ¹⁰⁷Ag, ^112,114Cd(¹⁸²Hg, ¹⁸²Hg'), (¹⁸⁴Hg, ¹⁸⁴Hg'), (¹⁸⁶Hg, ¹⁸⁶Hg'), (¹⁸⁸Hg, ¹⁸⁸Hg'), E=2.85 MeV/nucleon; measured reaction products, Eγ, Iγ. ^{182,184,186,188}Hg; deduced energy levels, J, π, nuclear matrix elements, B(E2). Comparison with IBM calculations, experimental data.

doi: 10.1103/PhysRevLett.112.162701
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2012BA40      Phys.Rev. C 86, 034310 (2012)

C.Bauer, T.Behrens, V.Bildstein, A.Blazhev, B.Bruyneel, J.Butterworth, E.Clement, L.Coquard, J.L.Egido, A.Ekstrom, C.R.Fitzpatrick, C.Fransen, R.Gernhauser, D.Habs, H.Hess, J.Leske, T.Kroll, R.Krucken, R.Lutter, P.Marley, T.Moller, T.Otsuka, N.Patronis, A.Petts, N.Pietralla, T.R.Rodriguez, N.Shimizu, C.Stahl, I.Stefanescu, T.Stora, P.G.Thirolf, D.Voulot, J.van de Walle, N.Warr, F.Wenander, A.Wiens

Prolate shape of ¹⁴⁰Ba from a first combined Doppler-shift and Coulomb-excitation measurement at the REX-ISOLDE facility

NUCLEAR REACTIONS ⁹⁶Mo(¹⁴⁰Ba, ¹⁴⁰Ba'), [¹⁴⁰Ba secondary beam from U(p, X), E=1.4 GeV primary beam], E=392 MeV; measured Eγ, Iγ, (particle)γ-coin, yields in different angular ranges, differential σ(θ), half-life of first 2+ state by DSAM using REX-ISOLDE and MINIBALL setup at ISOLDE-CERN. ¹⁴⁰Ba; deduced level, E2 matrix element, B(E2), and static quadrupole moment of first 2+ state. Z=56, A=130=146; systematics of energies and B(E2) of first 2+ states. Comparison with Monte Carlo shell-model approach and beyond-mean-field calculations. Gogny energy density functionals and distribution of probability contours in the triaxial (β, γ) plane for 0+, 2+ and 4+ states first two bands.

NUCLEAR MOMENTS ¹⁴⁰Ba; measured static quadrupole moment of first 2+ state by reorientation analysis of Coulomb-excitation yields.

doi: 10.1103/PhysRevC.86.034310
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2009CO03      Phys.Rev. C 79, 024307 (2009)

A.Costin, M.Reese, H.Ai, R.F.Casten, K.Dusling, C.R.Fitzpatrick, G.Gurdal, A.Heinz, E.A.McCutchan, D.A.Meyer, O.Moller, P.Petkov, N.Pietralla, J.Qian, G.Rainovski, V.Werner

Centrifugal stretching along the ground state band of ¹⁶⁸Hf

NUCLEAR REACTIONS ¹²⁴Sn(⁴⁸Ti, 4n), E=190 MeV; measured Eγ, Iγ, γγ-coin, half-lives of g.s. band members using recoil-distance Doppler-shift method. ¹⁶⁸Hf; deduced levels, J, π, B(E2). Comparison with predictions of geometrical confined β soft rotor model involving centrifugal stretching.

doi: 10.1103/PhysRevC.79.024307
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2008FI08      Phys.Rev. C 78, 034309 (2008)

C.R.Fitzpatrick, V.Werner, R.F.Casten, E.Williams, H.Ai, C.W.Beausang, R.B.Cakirli, G.Gurdal, A.Heinz, E.A.McCutchan, D.A.Meyer, E.Novitski, J.Qian, R.Winkler

Investigation into the B(E2) anomaly in ¹⁴⁴Nd using Coulomb excitation

NUCLEAR REACTIONS ¹⁴⁴Nd, ¹⁴⁸Sm(⁴⁸Ti, ⁴⁸Ti'), E=130 MeV; measured Eγ, Iγ, σ; deduced B(E2) ratios. Coulomb excitation.

doi: 10.1103/PhysRevC.78.034309
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2008MC01      Phys.Rev. C 77, 054304 (2008)

E.A.McCutchan, R.F.Casten, V.Werner, E.Williams, R.Winkler, A.Wolf, Z.Berant, G.Gurdal, J.Qian, H.Ai, L.Amon, C.W.Beausang, D.S.Brenner, R.B.Cakirli, R.J.Casperson, C.R.Fitzpatrick, D.Frank, A.B.Garnsworthy, A.Heinz, R.Luttke, A.F.Mertz, Y.Oktem, N.Pietralla, P.H.Regan, B.Shoraka, J.R.Terry, N.J.Thompson

Enhanced mixing of intrinsic states in deformed Hf nuclei

RADIOACTIVITY ^170,172,174Ta(β⁺), (EC) [from ¹⁵⁹Tb(¹⁶O, 5n), E=100 MeV; ¹⁶⁵Ho(¹²C, 5n), E=80 MeV; ¹⁶⁸Er(¹¹B, 5n), E=65 MeV]; measured Eγ, Iγ, γγ-coin, branching ratios. ^170,172,174Hf; deduced levels, J, π. ^{166,168,170,172,174}Hf; systematics.

doi: 10.1103/PhysRevC.77.054304
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2008SC03      Phys.Rev.Lett. 100, 112501 (2008)

J.P.Schiffer, S.J.Freeman, J.A.Clark, C.Deibel, C.R.Fitzpatrick, S.Gros, A.Heinz, D.Hirata, C.L.Jiang, B.P.Kay, A.Parikh, P.D.Parker, K.E.Rehm, A.C.C.Villari, V.Werner, C.Wrede

Nuclear Structure Relevant to Neutrinoless Double β Decay: ⁷⁶Ge and ⁷⁶Se

NUCLEAR REACTIONS ^74,76Ge, ^76,78Se(d, p), E=15 MeV; ⁷⁶Ge, ⁷⁶Se(p, d), E=23 MeV; ^74,76Ge, ^76,78Se(³He, α), E=26 MeV; ^74,76Ge, ^76,78Se(α, ³He), E=40 MeV; measured reaction products energy spectra, cross sections. Deduced summed spectroscopic strengths, neutron vacancies.

doi: 10.1103/PhysRevLett.100.112501
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2008WE07      Phys.Rev. C 78, 031301 (2008)

V.Werner, N.Benczer-Koller, G.Kumbartzki, J.D.Holt, P.Boutachkov, E.Stefanova, M.Perry, N.Pietralla, H.Ai, K.Aleksandrova, G.Anderson, R.B.Cakirli, R.J.Casperson, R.F.Casten, M.Chamberlain, C.Copos, B.Darakchieva, S.Eckel, M.Evtimova, C.R.Fitzpatrick, A.B.Garnsworthy, G.Gurdal, A.Heinz, D.Kovacheva, C.Lambie-Hanson, X.Liang, P.Manchev, E.A.McCutchan, D.A.Meyer, J.Qian, A.Schmidt, N.J.Thompson, E.Williams, R.Winkler

Evidence for the microscopic formation of mixed-symmetry states from magnetic moment measurements

NUCLEAR REACTIONS C(⁹²Zr, ⁹²Zr'), (⁹⁴Zr, ⁹⁴Zr'), E=275 MeV; measured Eγ, Iγ, (particle)γ-coin. Comparison with shell model and quasiparticle phonon model calculations.

NUCLEAR MOMENTS C(⁹²Zr, ⁹²Zr'), (⁹⁴Zr, ⁹⁴Zr'), E=275 MeV; ^92,94Zr; measured g factors. Transient field technique.

doi: 10.1103/PhysRevC.78.031301
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2007TH07      Acta Phys.Pol. B38, 1381 (2007)

N.J.Thompson, P.H.Regan, A.B.Garnsworthy, A.D.Ayangeakaa, H.C.Ai, L.Amon, R.B.Cakirli, R.F.Casten, C.R.Fitzpatrick, S.J.Freeman, G.Guerdal, A.Heinz, G.A.Jones, E.A.McCutchan, J.Qian, V.Werner, S.J.Williams, R.Winkler

Spectroscopy of ⁹¹Zr₅₁ at Medium to High Spins

NUCLEAR REACTIONS ⁸²Se(¹³C, 4n)⁹¹Zr, E=50 MeV; measured Eγ, Iγ, γγ-coinc. ⁹¹Zr deduced levels, J, π.

2007WO08      Phys.Rev. C 76, 047308 (2007)

A.Wolf, Z.Berant, A.Heinz, V.Werner, E.A.McCutchan, G.Gurdal, R.B.Cakirli, Y.Oktem, J.Ai, L.Amon, C.W.Beausang, D.S.Brenner, R.F.Casten, R.J.Casperson, K.Dusling, C.R.Fitzpatrick, A.B.Gransworthy, N.Pietralla, J.Qian, P.H.Regan, N.J.Thompson, E.Williams, R.Winkler

g factor of the 2⁺₁ state of ¹⁷⁰Hf

RADIOACTIVITY ¹⁷⁰Ta(β⁺), (EC) [from ¹⁵⁹Tb(¹⁶O, 5n), E=100 MeV]; measured Eγ, Iγ, γγ(θ) in static magnetic field. ¹⁷⁰Hf; deduced levels, J, π, g-factor of first 2+ state.

doi: 10.1103/PhysRevC.76.047308
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2006ME03      Phys.Rev. C 73, 024307 (2006)

D.A.Meyer, C.W.Beausang, J.J.Ressler, H.Ai, H.Amro, M.Babilon, R.F.Casten, C.R.Fitzpatrick, G.Gurdal, A.Heinz, E.A.McCutchan, C.Plettner, J.Qian, N.J.Thomas, V.Werner, E.Williams, N.V.Zamfir, J.Zhang

First investigation of excited states in the odd-proton nucleus ²⁰⁹Fr

NUCLEAR REACTIONS ¹⁷⁶Yb(³⁷Cl, 3n), (³⁷Cl, 4n), (³⁷Cl, 4np), E=173, 179, 185 MeV; measured prompt and delayed Eγ, Iγ, γγ-, (recoil)γ-coin; deduced excitation functions. ¹⁹⁷Au(¹⁶O, 4n), (¹⁶O, 3n), E=90 MeV; measured Eγ, Iγ, γγ-coin. ²⁰⁹Fr deduced levels, J, π, configurations, isomer T_1/2. ²⁰⁸Rn, ²¹⁰Fr deduced isomers T_1/2. Gas-filled spectrometer.

doi: 10.1103/PhysRevC.73.024307
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2006ME13      Phys.Lett. B 638, 44 (2006)

D.A.Meyer, V.Wood, R.F.Casten, C.R.Fitzpatrick, G.Graw, D.Bucurescu, J.Jolie, P.von Brentano, R.Hertenberger, H.-F.Wirth, N.Braun, T.Faestermann, S.Heinze, J.L.Jerke, R.Krucken, M.Mahgoub, O.Moller, D.Mucher, C.Scholl

Enhanced density of low-lying 0⁺ states: A corroboration of shape phase transitional behavior

NUCLEAR REACTIONS ^154,156Gd, ¹⁶⁴Dy, ¹⁷⁰Er, ¹⁷⁸Hf, ^182,186W, ¹⁹²Os(p, t), E=25 MeV; measured triton spectra, σ(E, θ). ^152,154Gd, ¹⁶²Dy, ¹⁶⁸Er, ¹⁷⁶Hf, ^180,184W, ¹⁹⁰Os deduced levels, J, π, configurations. Comparison with interacting boson approximation model predictions.

doi: 10.1016/j.physletb.2006.05.007
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2006ME25      Phys.Rev. C 74, 044309 (2006)

D.A.Meyer, V.Wood, R.F.Casten, C.R.Fitzpatrick, G.Graw, D.Bucurescu, J.Jolie, P.von Brentano, R.Hertenberger, H.-F.Wirth, N.Braun, T.Faestermann, S.Heinze, J.L.Jerke, R.Krucken, M.Mahgoub, O.Moller, D.Mucher, C.Scholl

Extensive investigation of 0⁺ states in rare earth region nuclei

NUCLEAR REACTIONS ^154,156Gd, ¹⁶⁴Dy, ¹⁷⁰Er, ¹⁷⁸Hf, ^182,186W, ¹⁹²Os(p, t), E=25 MeV; measured triton spectra, σ(E, θ). ^152,154Gd, ¹⁶²Dy, ¹⁶⁸Er, ¹⁷⁶Hf, ^180,184W, ¹⁹⁰Os deduced 0⁺ level energy distributions.

doi: 10.1103/PhysRevC.74.044309
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Note: The following list of authors and aliases matches the search parameter C.Fitzpatrick: , C.M.FITZPATRICK, C.R.FITZPATRICK