NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = A.Hecht Found 71 matches. 2019BA32 Nucl.Instrum.Methods Phys.Res. B456, 142 (2019) P.Baldez, S.Fellows, R.E.Blakeley, M.Tanguay, M.L.Wetzel, A.A.Hecht, D.Mayorov, F.Tovesson, J.Winkelbauer Measurements of 252Cf fission product energy loss through thin silicon nitride and carbon foils, and comparison with SRIM-2013 and MCNP6.2 simulations RADIOACTIVITY 252Cf(SF); measured decay products; deduced fission product energy loss. Comparison with TRIM program in SRIM-2013 and with MCNP6.2 calculations.
doi: 10.1016/j.nimb.2019.06.027
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
2012CH09 Phys.Rev. C 85, 024309 (2012) C.J.Chiara, I.Stefanescu, W.B.Walters, S.Zhu, R.V.F.Janssens, M.P.Carpenter, R.Broda, B.Fornal, A.A.Hecht, N.Hoteling, E.G.Jackson, B.P.Kay, W.Krolas, T.Lauritsen, E.A.McCutchan, T.Pawlat, D.Seweryniak, X.Wang, A.Wohr, J.Wrzesinski Core-coupled protons, F7/2 intruder states, and competing G9/2 proton and neutron structures in 65, 67Cu NUCLEAR REACTIONS 238U(64Ni, X)65Cu/67Cu, E=430 MeV; measured Eγ, Iγ, γγ-coin, γ(θ), γγ(θ) using Gammasphere array and ATLAS facility at ANL. 65,67Cu; deduced levels, J, π, multipolarity, mixing ratios, configurations. Systematics of 7/2- and positive-parity states in A=57-71 Cu isotopes, and 2+ and 5- states in A=56-70 Ni isotopes. Systematics of ground-state bands in 60,66,68,70Zn and compared with those of f7/2- proton bands in 59,65,67,69Cu. Comparison with shell model calculations using JUN45 and jj44b interactions.
doi: 10.1103/PhysRevC.85.024309
2012OK04 Phys.Rev. C 86, 054305 (2012) Y.Oktem, D.L.Balabanski, B.Akkus, L.Amon Susam, L.Atanasova, C.W.Beausang, R.B.Cakirli, R.F.Casten, M.Danchev, M.Djongolov, E.Ganioglu, K.A.Gladnishki, J.Tm.Goon, D.J.Hartley, A.A.Hecht, R.Krucken, J.R.Novak, G.Rainovski, L.L.Riedinger, T.Venkova, I.Yigitoglu, N.V.Zamfir, O.Zeidan Triaxial deformation and nuclear shape transition in 192Au NUCLEAR REACTIONS 186W(11B, 5n), E=68 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), linear polarization using YRAST Ball array at WNSL, Yale facility. 192Au; deduced high-spin levels, J, π, multipolarity, branching ratios, alignments, bands, B(M1)/B(E2), configurations. Comparisons with pairing and deformation self-consistent total Routhian surface (TRS), and cranked shell model (CSM) calculations.
doi: 10.1103/PhysRevC.86.054305
2012SC09 Nucl.Instrum.Methods Phys.Res. A681, 94 (2012) N.D.Scielzo, G.Li, M.G.Sternberg, G.Savard, P.F.Bertone, F.Buchinger, S.Caldwell, J.A.Clark, J.Crawford, C.M.Deibel, J.Fallis, J.P.Greene, S.Gulick, A.A.Hecht, D.Lascar, J.K.P.Lee, A.F.Levand, M.Pedretti, R.E.Segel, H.Sharma, K.S.Sharma, I.Tanihata, J.Van Schelt, R.M.Yee, B.J.Zabransky The β-decay Paul trap: A radiofrequency-quadrupole ion trap for precision β-decay studies RADIOACTIVITY 8Li(β-), (α); measured decay products, Eβ, Iβ, Eα, Iα, nuclear recoils; deduced technique for the β-ν angular correlations.
doi: 10.1016/j.nima.2012.04.035
2011AR18 Phys.Rev. C 84, 061307 (2011) O.Arndt, K.-L.Kratz, W.B.Walters, K.Farouqi, U.Koster, V.Fedosseev, S.Hennrich, C.J.Jost, A.Wohr, A.A.Hecht, B.Pfeiffer, J.Shergur, N.Hoteling Decay of the r-process nuclides 137, 138, 139Sb, and the A=130 solar r-process abundance peak RADIOACTIVITY 137,138,139Sb, 136,137Sn(β-), (β-n); measured E(n), I(n), half-lives, β-delayed neutron emission probability Pn using RILIS source and high-resolution mass separator at ISOLDE-CERN facility. 134,135,136,137,138,139,140Sb(β-), (β-n); calculated half-lives and β-delayed neutron probabilities for spherical and non-spherical shapes. Calculated r-process residual isotopic abundance plot using new data.
doi: 10.1103/PhysRevC.84.061307
2011FA10 Phys.Rev. C 84, 045807 (2011) J.Fallis, J.A.Clark, K.S.Sharma, G.Savard, F.Buchinger, S.Caldwell, A.Chaudhuri, J.E.Crawford, C.M.Deibel, S.Gulick, A.A.Hecht, D.Lascar, J.K.P.Lee, A.F.Levand, G.Li, B.F.Lundgren, A.Parikh, S.Russell, M.Scholte-van de Vorst, N.D.Scielzo, R.E.Segel, H.Sharma, S.Sinha, M.G.Sternberg, T.Sun, I.Tanihata, J.Van Schelt, J.C.Wang, Y.Wang, C.Wrede, Z.Zhou Mass measurements of isotopes of Nb, Mo, Tc, Ru, and Rh along the Νp- and rp-process paths using the Canadian Penning trap mass spectrometer ATOMIC MASSES 87Nb, 87,90,91,92Mo, 90,91,92,93Tc, 90,91,92,93,94Ru, 92,93,94,95Rh; measured cyclotron frequency ratios using Canadian Penning trap mass spectrometer; deduced mass excesses. 88Tc; deduced S(p). Comparison with previous measurements and AME-2003. Z=42-47, A=87-96; analyzed systematics of S(2p) values. Z=42-45, N=45-52; analyzed systematics of S(2n) values. Z=42-45, A=87-95; analyzed systematics of S(p) values. 94mAg; discussed 2p decay mode of 21+ isomer. NUCLEAR REACTIONS 58Ni(40Ca, X)87Nb/87Mo/90Mo/92Mo/90Tc/90Tc/92Tc/93Tc/90Ru/91Ru/92Ru/93Ru/92Rh/93Rh/94Rh, E=185, 190, 200 MeV; 58Ni(36Ar, X)91Tc/91Ru, E=125 MeV; Ni(36Ar, X)90Mo/91Mo/90Tc/91Tc/92Tc/91Ru/92Ru, E=130, 150 MeV; Ni(40Ca, X)93Tc/93Ru/94Ru/94Rh/95Rh, E=170 MeV; measured yields at ATLAS facility.
doi: 10.1103/PhysRevC.84.045807
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
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
2010AG06 Phys.Rev. C 81, 064317 (2010) A.Aguilar, D.J.Hartley, M.A.Riley, C.Teal, M.P.Carpenter, P.Chowdhury, M.Danchev, M.K.Djongolov, G.B.Hagemann, A.A.Hecht, R.V.F.Janssens, F.G.Kondev, T.Lauritsen, W.C.Ma, W.H.Mohr, E.F.Moore, S.W.Odegard, L.L.Riedinger, G.Sletten, S.K.Tandel, J.R.Vanhoy, X.Wang, S.Zhu Alignments, additivity, and signature inversion in odd-odd 170Ta: A comprehensive high-spin study NUCLEAR REACTIONS 124Sn(51V, 5n), E=228 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ) using Gammasphere array. 170Ta; deduced levels, J, π, rotational bands, configurations, Routhians, signature inversions, B(M1)/B(E2) ratios.
doi: 10.1103/PhysRevC.81.064317
2010CH51 Phys.Rev. C 82, 054313 (2010) C.J.Chiara, I.Stefanescu, N.Hoteling, W.B.Walters, R.V.F.Janssens, R.Broda, M.P.Carpenter, B.Fornal, A.A.Hecht, W.Krolas, T.Lauritsen, T.Pawlat, D.Seweryniak, X.Wang, A.Wohr, J.Wrzesinski, S.Zhu Influence of the νg9/2 orbital on level structures of neutron-rich 61, 62Mn36, 37 NUCLEAR REACTIONS 238U(64Ni, X)61Mn/62Mn, E=430 MeV; measured Eγ, Iγ, γγ-coin using Gammasphere array. 61,62Mn; deduced levels, J, π. Comparison with level structures of 53,55,57,59,58,60,64Mn.
doi: 10.1103/PhysRevC.82.054313
2010HA24 Phys.Rev. C 82, 044319 (2010) A.B.Hayes, D.Cline, K.J.Moody, I.Ragnarsson, C.Y.Wu, J.A.Becker, M.P.Carpenter, J.J.Carroll, D.Gohlke, J.P.Greene, A.A.Hecht, R.V.F.Janssens, S.A.Karamian, T.Lauritsen, C.J.Lister, R.A.Macri, R.Propri, D.Seweryniak, X.Wang, R.Wheeler, S.Zhu Coulomb excitation of a 242Am isomeric target: E2 and E3 strengths, rotational alignment, and collective enhancement NUCLEAR REACTIONS 242mAm(40Ar, 40Ar'), E=170.5 MeV; measured Eγ, Iγ, (particle)γ-, γγ-coin using Gammasphere array. 242Am; deduced levels, J, π, rotational bands, Nilsson configurations, band parameters, alignments, B(E1), B(E2) and B(E3) strengths. Coulomb excitation. Comparison of alignment of the observed bands in 242Am with single-particle alignments in 241Am and with particle-rotor model calculations.
doi: 10.1103/PhysRevC.82.044319
2010HO13 Phys.Rev. C 82, 044305 (2010) N.Hoteling, C.J.Chiara, R.Broda, W.B.Walters, R.V.F.Janssens, M.Hjorth-Jensen, M.P.Carpenter, B.Fornal, A.A.Hecht, W.Krolas, T.Lauritsen, T.Pawlat, D.Seweryniak, X.Wang, A.Wohr, J.Wrzesinski, S.Zhu Structure of 60, 62Fe and the onset of νg9/2 occupancy NUCLEAR REACTIONS 238U(64Ni, X), E=430 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ), prompt and delayed γ spectra using Gammasphere array. 60,62Fe; deduced levels, J, π, multipolarity, yrast levels. Comparison with shell model calculations. Level systematics of 54,56,58,60,62,64Fe nuclei. RADIOACTIVITY 60,62Mn(β-)[from 238U(64Ni, X), E=430 MEV]; measured Eγ, Iγ, γγ-coin, γγ(θ) using Gammasphere array. 60,62Fe; deduced levels, J, π, multipolarity.
doi: 10.1103/PhysRevC.82.044305
2010RE01 Phys.Rev. C 81, 014301 (2010) J.J.Ressler, J.A.Caggiano, C.J.Francy, P.N.Peplowski, J.M.Allmond, C.W.Beausang, L.A.Bernstein, D.L.Bleuel, J.T.Burke, P.Fallon, A.A.Hecht, D.V.Jordan, S.R.Lesher, M.A.McMahan, T.S.Palmer, L.Phair, N.D.Scielzo, P.G.Swearingen, G.A.Warren, M.Wiedeking Fission fragment isomers populated via 6Li+232Th NUCLEAR REACTIONS 232Th(6Li, X), E=45 MeV; measured Eγ, Iγ, γγ-coin, particle spectra, (particle)γ-coin, (particle)γ-correlations using STARS Si array at LBNL and Ge detectors. 88Br, 93Rb, 95,98,99Y, 99Mo, 100Tc, 121,123In, 119,120,121,122,123,124,125,126,127Sn, 123,125,127,131Sb, 131I, 132Te, 134,136Xe; measured isomer half-lives; deduced levels, J, π. Level systematics of neighboring Sn, Sb and In nuclides. RADIOACTIVITY 121m,123mIn(IT), 125mSb(IT); measured Eγ, Iγ, γγ-coin; deduced levels, J, π. 117Cd, 128Sb(β-); measured Eγ.
doi: 10.1103/PhysRevC.81.014301
2010TA05 Phys.Rev. C 81, 045809 (2010) X.D.Tang, K.E.Rehm, I.Ahmad, C.R.Brune, A.Champagne, J.P.Greene, A.Hecht, D.J.Henderson, R.V.F.Janssens, C.L.Jiang, L.Jisonna, D.Kahl, E.F.Moore, M.Notani, R.C.Pardo, N.Patel, M.Paul, G.Savard, J.P.Schiffer, R.E.Segel, S.Sinha, A.H.Wuosmaa Determination of the E1 component of the low-energy 12C(α, γ)16O cross section RADIOACTIVITY 16N(β-α); measured Eα, Iα, α12C-coin, half-life; deduced E1 component of the S factor for 12C(α, γ)16O reaction using a set of twin ionization chambers. R-matrix analysis. Comparison with previous studies. NUCLEAR REACTIONS 2H(15N, p)15N/16N/16O/20Ne, E=82 MeV; measured fragment yields.
doi: 10.1103/PhysRevC.81.045809
2009AR04 Acta Phys.Pol. B40, 437 (2009) O.Arndt, S.Hennrich, N.Hoteling, C.J.Jost, B.E.Tomlin, J.Shergur, K.-L.Kratz, P.F.Mantica, B.A.Brown, R.V.F.Janssens, W.B.Walters, B.Pfeiffer, A.Wohr, S.Zhu, R.Broda, M.P.Carpenter, B.Fornal, A.A.Hecht, W.Krolas, T.Lauritsen, T.Pawlat, J.Pereira, D.Seweryniak, I.Stefanescu, J.R.Stone, J.Wrzesinski Structure of Neutron-Rich Odd-Mass 127, 129, 131In Populated in the Decay of 127, 129, 131Cd RADIOACTIVITY 127,129,131Cd(β-); measured Iγ, Eγ; deduced Jπ, level scheme. Comparison with calculations.
2009PA16 Phys.Rev. C 79, 044309 (2009) D.Pauwels, O.Ivanov, N.Bree, J.Buscher, T.E.Cocolios, M.Huyse, Yu.Kudryavtsev, R.Raabe, M.Sawicka, J.Van de Walle, P.Van Duppen, A.Korgul, I.Stefanescu, A.A.Hecht, N.Hoteling, A.Wohr, W.B.Walters, R.Broda, B.Fornal, W.Krolas, T.Pawlat, J.Wrzesinski, M.P.Carpenter, R.V.F.Janssens, T.Lauritsen, D.Seweryniak, S.Zhu, J.R.Stone, X.Wang Structure of 65, 67Co studied through the β decay of 65, 67Fe and a deep-inelastic reaction RADIOACTIVITY 65,65mFe, 65Co, 67Fe(β-)[from 238U(p, F), E=30 MeV]; measured Eγ, Iγ, γγ-, βγ-coin, half-lives. 65Co, 65Ni, 67Co; deduced levels, J, π, configurations. 61,63,65Co; level systematics. Interpretation in terms of core coupled states with proton intruder orbitals. NUCLEAR REACTIONS 238U(64Ni, X), E=430 MeV; measured Eγ, Iγ, γγ-coin. 65Co; deduced levels, J, π, configurations.
doi: 10.1103/PhysRevC.79.044309
2009QI04 Phys.Rev. C 79, 064319 (2009) J.Qian, A.Heinz, T.L.Khoo, R.V.F.Janssens, D.Peterson, D.Seweryniak, I.Ahmad, M.Asai, B.B.Back, M.P.Carpenter, A.B.Garnsworthy, J.P.Greene, A.A.Hecht, C.L.Jiang, F.G.Kondev, T.Lauritsen, C.J.Lister, A.Robinson, G.Savard, R.Scott, R.Vondrasek, X.Wang, R.Winkler, S.Zhu Spectroscopy of 257Rf NUCLEAR REACTIONS 208Pb(50Ti, n), E=233 MeV; measured Eα, Iα, ce, fission events correlated with evaporation residues, Eγ, Iγ, (ce)α-, (ce)γ-coin, isomer half-lives, (evaporation residues)-ce-α-α correlations. 257Rf; deduced levels, J, π, configurations. 257Rf; calculated excitation energies of 1-qp states and rotational bands built on 1-qp and 3-qp bandheads. A=245-257, odd-A Pu, Cm, Cf, Fm, No, Rf; Nilsson orbital systematics. RADIOACTIVITY 257Rf(α)(EC)(SF), 257mRf(α)(EC), 257Lr(α), 256Rf(SF), 253No(α)(EC); measured Eα, Iα, Eγ, fission events, (ce)α-coin, half-lives, and fission branching ratios. 253No; deduced levels, J, π, α hindrance factors, and configurations.
doi: 10.1103/PhysRevC.79.064319
2009SE06 Acta Phys.Pol. B40, 621 (2009) D.Seweryniak, M.P.Carpenter, S.Gros, A.A.Hecht, N.Hoteling, R.V.F.Janssens, T.L.Khoo, T.Lauritsen, C.J.Lister, G.Lotay, D.Peterson, A.P.Robinson, W.B.Walters, X.Wang, P.J.Woods, S.Zhu New Results Near 100Sn: Observation of Single-Neutron States in 101Sn NUCLEAR REACTIONS 58Ni(46Ti, 3n), E=192 MeV; measured Eγ, Iγ, β-delayed Ep, Ip. Comparison with shell model calculations.
2009ST05 Phys.Rev. C 79, 034319 (2009) I.Stefanescu, W.B.Walters, R.V.F.Janssens, N.Hoteling, R.Broda, M.P.Carpenter, B.Fornal, A.A.Hecht, W.Krolas, T.Lauritsen, T.Pawlat, D.Seweryniak, J.R.Stone, X.Wang, A.Wohr, J.Wrzesinski, S.Zhu Levels above the 19/2- isomer in 71Cu: Persistence of the N=40 neutron shell gap NUCLEAR REACTIONS 238U(64Ni, X), E=430 MeV; measured Eγ, Iγ, γγ-coin. 71Cu; deduced levels, J, π, configurations. 70Ni, 71Cu, 92Mo; level systematics. Comparison with shell-model calculations.
doi: 10.1103/PhysRevC.79.034319
2008FA11 Phys.Rev. C 78, 022801 (2008) J.Fallis, J.A.Clark, K.S.Sharma, G.Savard, F.Buchinger, S.Caldwell, J.E.Crawford, C.M.Deibel, J.L.Fisker, S.Gulick, A.A.Hecht, D.Lascar, J.K.P.Lee, A.F.Levand, G.Li, B.F.Lundgren, A.Parikh, S.Russell, M.Scholte-van de Vorst, N.D.Scielzo, R.E.Segel, H.Sharma, S.Sinha, M.Sternberg, T.Sun, I.Tanihata, J.Van Schelt, J.C.Wang, Y.Wang, C.Wrede, Z.Zhou Determination of the proton separation energy of 93Rh from mass measurements ATOMIC MASSES 92Ru, 93Rh; measured masses; deduced mass excesses, proton separation energies. Penning trap method.
doi: 10.1103/PhysRevC.78.022801
2008GU02 Phys.Rev. C 77, 024314 (2008) G.Gurdal, C.W.Beausang, D.S.Brenner, H.Ai, R.F.Casten, B.Crider, A.Heinz, E.Williams, D.J.Hartley, M.P.Carpenter, A.A.Hecht, R.V.F.Janssens, T.Lauritsen, C.J.Lister, R.Raabe, D.Seweryniak, S.Zhu, J.X.Saladin Measurement of conversion coefficients in normal and triaxial strongly deformed bands in 167Lu NUCLEAR REACTIONS 123Sb(48Ca, 4n), E=203 MeV; measured Eγ, Iγ, conversion electrons; 167Lu; deduced conversion coefficients.
doi: 10.1103/PhysRevC.77.024314
2008HO05 Phys.Rev. C 77, 044314 (2008) N.Hoteling, W.B.Walters, R.V.F.Janssens, R.Broda, M.P.Carpenter, B.Fornal, A.A.Hecht, M.Hjorth-Jensen, W.Krolas, T.Lauritsen, T.Pawlat, D.Seweryniak, J.R.Stone, X.Wang, A.Wohr, J.Wrzesinski, S.Zhu Rotation-aligned coupling in 61Fe NUCLEAR REACTIONS 238U(64Ni, X), E=430 MeV; measured Eγ, Iγ, γγ-coin. 61Fe; deduced levels, J, π. 59Fe; measured Eγ, Iγ. 56,57,58,59,60Fe; systematics. Comparisons with shell model and particle-triaxial rotor model.
doi: 10.1103/PhysRevC.77.044314
2008MA01 Phys.Rev. C 77, 014313 (2008) P.F.Mantica, R.Broda, H.L.Crawford, A.Damaske, B.Fornal, A.A.Hecht, C.Hoffman, M.Horoi, N.Hoteling, R.V.F.Janssens, J.Pereira, J.S.Pinter, J.B.Stoker, S.L.Tabor, T.Sumikama, W.B.Walters, X.Wang, S.Zhu β decay of neutron-rich 53-56Ca RADIOACTIVITY 53,54,55,56Ca(β-) [from 9Be(76Ge, X), E=140 MeV/nucleon; measured Eγ, Iγ, βγ-coin, half-lives. 54Ca; deduced Iβ, logft. 54Sc; levels, J, π, half-lives, B(M1), B(E2), comparison with calculations. NUCLEAR REACTIONS 9Be(76Ge, X)49Cl/50Ar/51Ar/52K/53K/54K/53Ca/54Ca/55Ca/56Ca/55Sc/56Sc/57Sc/57Ti/58Ti/59Ti/60V, E=140 MeV/nucleon; measured reaction yields.
doi: 10.1103/PhysRevC.77.014313
2008MU18 Phys.Rev. C 78, 034311 (2008) S.Mukhopadhyay, D.Almehed, U.Garg, S.Frauendorf, T.Li, P.V.Madhusudhana Rao, X.Wang, S.S.Ghugre, M.P.Carpenter, S.Gros, A.Hecht, R.V.F.Janssens, F.G.Kondev, T.Lauritsen, D.Seweryniak, S.Zhu Electromagnetic transition rates in high-spin bands in 136Nd NUCLEAR REACTIONS 100Mo(40Ar, 4nγ), E=175 MeV; measured Eγ, Iγ, γγ-coin, half-lives using doppler shift attenuation method. 136Nd; deduced levels, J, π, bands, transition quadrupole moments, B(M1), B(E2), configurations. Comparisons with random phase approximations and tilted-axis cranking models.
doi: 10.1103/PhysRevC.78.034311
2007BE33 Acta Phys.Pol. B38, 1535 (2007) C.W.Beausang, S.R.Lesher, J.T.Burke, L.A.Bernstein, L.Phair, H.Ai, G.Gurdal, L.Ahle, D.S.Brenner, M.Carpenter, R.M.Clark, B.Crider, J.Escher, P.Fallon, J.P.Greene, D.J.Hartley, A.A.Hecht, R.V.F.Janssens, T.Lauritsen, I.Y.Lee, C.J.Lister, A.O.Macchiavelli, M.A.McMahan, C.Plettner, J.Rohrer, D.Seweryniak, E.Williams, S.Zhu New Results on Fission Cross Sections in Actinide Nuclei Using the Surrogate Ratio Method and on Conversion Coefficients in Triaxial Strongly Deformed Bands in 167Lu from ICE Ball and Gammasphere NUCLEAR REACTIONS 234,236U(α, α'f), E=55 MeV; measured Eα, fission fragment energy, (fission-fragment)α-coinc. Deduced fission probabilities. Compared results to ENDF data. NUCLEAR REACTIONS 123Sb(48Ca, X)167Lu, E=203 MeV; measured Eγ, Iγ, conversion electron energies, γγ-coinc, (conversion-electron)γ-coinc. 167Lu deduced conversion coefficients.
2007HA05 Phys.Rev. C 75, 034308 (2007) A.B.Hayes, D.Cline, C.Y.Wu, H.Ai, H.Amro, C.Beausang, R.F.Casten, J.Gerl, A.A.Hecht, A.Heinz, H.Hua, R.Hughes, R.V.F.Janssens, C.J.Lister, A.O.Macchiavelli, D.A.Meyer, E.F.Moore, P.Napiorkowski, R.C.Pardo, Ch.Schlegel, D.Seweryniak, M.W.Simon, J.Srebrny, R.Teng, K.Vetter, H.J.Wollersheim Spin dependence of K mixing, strong configuration mixing, and electromagnetic properties of 178Hf NUCLEAR REACTIONS 178Hf(136Xe, 136Xe'), E=650 MeV; measured prompt and delayed Eγ, Iγ, γγ-, (particle)γ-coin following Coulomb excitation. Ta(178Hf, 178Hf'), E ≈ 700-850 MeV; measured isomer production σ. 178Hf deduced levels, J, π, rotational bands, transition matrix elements, K-mixing features. Gammasphere, Chico arrays.
doi: 10.1103/PhysRevC.75.034308
2007HO22 Phys.Rev. C 76, 044324 (2007) N.Hoteling, W.B.Walters, B.E.Tomlin, P.F.Mantica, J.Pereira, A.Becerril, T.Fleckenstein, A.A.Hecht, G.Lorusso, M.Quinn, J.S.Pinter, J.B.Stoker Onset of isomers in 125, 126, 127, 128Cd and weakened neutron-neutron interaction strength NUCLEAR REACTIONS Be(136Xe, X), E=120 MeV/nucleon; measured Eγ, Iγ. 125Cd, 126Cd, 127Cd, 128Cd deduced levels, J, π, isomers, half-lives, band structure; 100,115,117,119,121,122,123,124Cd; level systematics.
doi: 10.1103/PhysRevC.76.044324
2007LI83 Eur.Phys.J. Special Topics 150, 131 (2007) S.N.Liddick, R.Grzywacz, C.Mazzocchi, R.D.Page, K.P.Rykaczewski, J.C.Batchelder, C.R.Bingham, I.G.Darby, G.Drafta, C.Goodin, C.J.Gross, J.H.Hamilton, A.A.Hecht, J.K.Hwang, S.Ilyushkin, D.T.Joss, A.Korgul, W.Krolas, K.Lagergren, K.Li, M.N.Tantawy, J.Thomson, J.A.Winger Identification of the 109Xe and 105Te α-decay chain RADIOACTIVITY 105Te, 109Xe(α) [from 54Fe(58Ni, 3n), E=220-225 MeV]; measured Eα, Iα. 105Te, 109Xe; deduced Qα.
doi: 10.1140/epjst/e2007-00285-5
2007MU14 Phys.Rev.Lett. 99, 172501 (2007) S.Mukhopadhyay, D.Almehed, U.Garg, S.Frauendorf, T.Li, P.V.Madhusudhana Rao, X.Wang, S.S.Ghugre, M.P.Carpenter, S.Gros, A.Hecht, R.V.F.Janssens, F.G.Kondev, T.Lauritsen, D.Seweryniak, S.Zhu From Chiral Vibration to Static Chirality in 135Nd NUCLEAR REACTIONS 100Mo(40Ar, 5n), E=175 MeV; measured Eγ, Iγ, lifetimes. 135Nd deduced B(M1), B(E2).
doi: 10.1103/PhysRevLett.99.172501
2007OK05 Phys.Rev. C 76, 044315 (2007); Erratum Phys.Rev. C 78, 069904 (2008) Y.Oktem, D.L.Balabanski, B.Akkus, C.W.Beausang, M.Bostan, R.B.Cakirli, R.F.Casten, M.Danchev, M.Djongolov, M.N.Erduran, S.Erturk, K.A.Gladniski, G.Gurdal, J.Tm.Goon, D.J.Hartley, A.A.Hecht, R.Krucken, N.Nikolov, J.R.Novak, G.Rainovski, L.L.Riedinger, I.Yigitoglu, N.V.Zamfir, O.Zeidan High-spin states in 191, 193Au and 192Pt: Evidence for oblate deformation and triaxial shapes NUCLEAR REACTIONS 186W(11B, 4n), (11B, 4np), (11B, 6n), E=68 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ), linear polarization.191,193Au, 192Pt deduced levels, J, π; calculated deformation parameters using Particle-Plus-Triaxial Rotor model.
doi: 10.1103/PhysRevC.76.044315
2007SE04 Phys.Rev.Lett. 99, 022504 (2007) D.Seweryniak, M.P.Carpenter, S.Gros, A.A.Hecht, N.Hoteling, R.V.F.Janssens, T.L.Khoo, T.Lauritsen, C.J.Lister, G.Lotay, D.Peterson, A.P.Robinson, W.B.Walters, X.Wang, P.J.Woods, S.Zhu Single-Neutron States in 101Sn NUCLEAR REACTIONS 46Ti(58Ni, X)101Sn, E=192 MeV; measured Eγ, Ep, pγ-coinc. 101Sn deduced levels and relative single particle energies.
doi: 10.1103/PhysRevLett.99.022504
2007TA34 Phys.Rev.Lett. 99, 052502 (2007) X.D.Tang, K.E.Rehm, I.Ahmad, C.R.Brune, A.Champagne, J.P.Greene, A.A.Hecht, D.Henderson, R.V.F.Janssens, C.L.Jiang, L.Jisonna, D.Kahl, E.F.Moore, M.Notani, R.C.Pardo, N.Patel, M.Paul, G.Savard, J.P.Schiffer, R.E.Segel, S.Sinha, B.Shumard, A.H.Wuosmaa New Determination of the Astrophysical S Factor SE1 of the 12C(α, γ)16O Reaction RADIOACTIVITY 16N(β-), (β-α); measured Eα, Iα, 12Cα-coin. 12C(α, γ); deduced astrophysical S-factor.
doi: 10.1103/PhysRevLett.99.052502
2006HA04 Phys.Rev.Lett. 96, 042505 (2006) A.B.Hayes, D.Cline, C.Y.Wu, J.Ai, H.Amro, C.Beausang, R.F.Casten, J.Gerl, A.A.Hecht, A.Heinz, R.Hughes, R.V.F.Janssens, C.J.Lister, A.O.Macchiavelli, D.A.Meyer, E.F.Moore, P.Napiorkowski, R.C.Pardo, Ch.Schlegel, D.Seweryniak, M.W.Simon, J.Srebrny, R.Teng, K.Vetter, H.J.Wollersheim Breakdown of K Selection in 178Hf NUCLEAR REACTIONS Ta(178Hf, 178Hf'), E≈ 700-850 MeV; measured delayed Eγ, Iγ following projectile Coulomb excitation; deduced isomer excitation function. 178Hf deduced transition matrix elements, K-mixing features. RADIOACTIVITY 178mHf(IT) [from Coulomb excitation]; measured Eγ, Iγ. 178Hf deduced transition matrix elements, K-mixing features.
doi: 10.1103/PhysRevLett.96.042505
2006HA46 Phys.Rev. C 74, 054314 (2006); Erratum Phys.Rev. C 75, 029902 (2007) D.J.Hartley, W.H.Mohr, J.R.Vanhoy, M.A.Riley, A.Aguilar, C.Teal, R.V.F.Janssens, M.P.Carpenter, A.A.Hecht, T.Lauritsen, E.F.Moore, S.Zhu, F.G.Kondev, M.K.Djongolov, M.Danchev, L.L.Riedinger, G.B.Hagemann, G.Sletten, P.Chowdhury, S.K.Tandel, W.C.Ma, S.W.Odegard Multiple band structures in 169Ta NUCLEAR REACTIONS 124Sn(51V, 6n), E=228 MeV; measured Eγ, Iγ, γγ-coin. 169Ta deduced high-spin levels, J, π, configurations. Gammasphere array.
doi: 10.1103/PhysRevC.74.054314
2006HO20 Phys.Rev.C 74, 064313 (2006) N.Hoteling, W.B.Walters, R.V.F.Janssens, R.Broda, M.P.Carpenter, B.Fornal, A.A.Hecht, M.Hjorth-Jensen, W.Krolas, T.Lauritsen, T.Pawlat, D.Seweryniak, X.Wang, A.Wohr, J.Wrzesinski, S.Zhu Yrast structure of 64Fe NUCLEAR REACTIONS 238U(64Ni, X)64Fe/69Ga, E=430 MeV; measured prompt and delayed Eγ, Iγ, γγ-coin. 64Fe deduced levels, J, π, configurations. Gammasphere array, comparison with shell model predictions. Level systematics in neighboring nuclides discussed.
doi: 10.1103/PhysRevC.74.064313
2006LI41 Phys.Rev.Lett. 97, 082501 (2006) S.N.Liddick, R.Grzywacz, C.Mazzocchi, R.D.Page, K.P.Rykaczewski, J.C.Batchelder, C.R.Bingham, I.G.Darby, G.Drafta, C.Goodin, C.J.Gross, J.H.Hamilton, A.A.Hecht, J.K.Hwang, S.Ilyushkin, D.T.Joss, A.Korgul, W.Krolas, K.Lagergren, K.Li, M.N.Tantawy, J.Thomson, J.A.Winger Discovery of 109Xe and 105Te: Superallowed α Decay near Doubly Magic 100Sn RADIOACTIVITY 109Xe, 105Te(α) [from 54Fe(58Ni, 3n) and subsequent decay]; measured Eα, T1/2. 109Xe, 105Te, 101Sn deduced levels, J, π.
doi: 10.1103/PhysRevLett.97.082501
2006PE17 Phys.Rev. C 74, 014316 (2006) D.Peterson, B.B.Back, R.V.F.Janssens, T.L.Khoo, C.J.Lister, D.Seweryniak, I.Ahmad, M.P.Carpenter, C.N.Davids, A.A.Hecht, C.L.Jiang, T.Lauritsen, X.Wang, S.Zhu, F.G.Kondev, A.Heinz, J.Qian, R.Winkler, P.Chowdhury, S.K.Tandel, U.S.Tandel Decay modes of 250No RADIOACTIVITY 250No(SF) [from 204Pb(48Ca, 2n)]; measured T1/2 for ground and isomeric state decay; deduced upper limit for α-decay branching ratio. 219,220Th(α) [from 176Yb(48Ca, xn)]; measured T1/2.
doi: 10.1103/PhysRevC.74.014316
2006SA56 Int.J. Mass Spectrom. 251, 252 (2006) G.Savard, J.C.Wang, K.S.Sharma, H.Sharma, J.A.Clark, C.Boudreau, F.Buchinger, J.E.Crawford, J.P.Greene, S.Gulick, A.A.Hecht, J.K.P.Lee, A.F.Levand, N.D.Scielzo, W.Trimble, J.Vaz, B.J.Zabransky Studies of neutron-rich isotopes with the CPT mass spectrometer and the CARIBU project ATOMIC MASSES 141,142,143,144,145,146,147Ba, 143,144,145,146,147,148La, 145,146,147,148,149,150,151Ce, 148,149,150,151,152,153Pr; measured masses with the Canadian Penning Trap (CPT) mass spectrometer and reviewed the CARIBU Project. Isotopes produced from fission of 252Cf. Comparisons with 1995 and 2003 mass evaluations.
doi: 10.1016/j.ijms.2006.01.047
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
2006TA19 Phys.Rev.Lett. 97, 082502 (2006) S.K.Tandel, T.L.Khoo, D.Seweryniak, G.Mukherjee, I.Ahmad, B.Back, R.Blinstrup, M.P.Carpenter, J.Chapman, P.Chowdhury, C.N.Davids, A.A.Hecht, A.Heinz, P.Ikin, R.V.F.Janssens, F.G.Kondev, T.Lauritsen, C.J.Lister, E.F.Moore, D.Peterson, P.Reiter, U.S.Tandel, X.Wang, S.Zhu K Isomers in 254No: Probing Single-Particle Energies and Pairing Strengths in the Heaviest Nuclei NUCLEAR REACTIONS 208Pb(48Ca, 2n), E=217 MeV; measured delayed Eγ, Iγ, E(ce), I(ce), (ce)γ-coin, X-ray spectra. 254No deduced levels, J, π, isomeric states T1/2, configurations, deformation. Mass separator, recoil-decay tagging.
doi: 10.1103/PhysRevLett.97.082502
2005CL08 Eur.Phys.J. A 25, Supplement 1, 629 (2005) J.A.Clark, R.C.Barber, B.Blank, C.Boudreau, F.Buchinger, J.E.Crawford, J.P.Greene, S.Gulick, J.C.Hardy, A.A.Hecht, A.Heinz, J.K.P.Lee, A.F.Levand, B.F.Lundgren, R.B.Moore, G.Savard, N.D.Scielzo, D.Seweryniak, K.S.Sharma, G.D.Sprouse, W.Trimble, J.Vaz, J.C.Wang, Y.Wang, B.J.Zabransky, Z.Zhou Investigating the rp-process with the Canadian Penning trap mass spectrometer ATOMIC MASSES 64Ge, 68Se; analyzed masses; deduced effective T1/2. 90,91Mo, 90,91,92,93Tc, 93,94Ru, 94,95Rh, 104,105,106,107In, 104,105,107,108Sn, 107,108Sb; measured masses. Penning trap, astrophysical implications discussed.
doi: 10.1140/epjad/i2005-06-172-3
2005HA71 Phys.Rev. C 72, 064325 (2005) D.J.Hartley, W.H.Mohr, J.R.Vanhoy, M.A.Riley, A.Aguilar, C.Teal, R.V.F.Janssens, M.P.Carpenter, A.A.Hecht, T.Lauritsen, E.F.Moore, S.Zhu, F.G.Kondev, M.K.Djongolov, M.Danchev, L.L.Riedinger, G.B.Hagemann, G.Sletten, P.Chowdhury, S.K.Tandel, W.C.Ma, S.W.Odegard Detailed high-spin spectroscopy and the search for the wobbling mode in 171Ta NUCLEAR REACTIONS 124Sn(51V, 4n), E=228 MeV; measured Eγ, Iγ, γγ-coin. 171Ta deduced high-spin levels, J, π, configurations. No wobbling sequence seen. Gammasphere array.
doi: 10.1103/PhysRevC.72.064325
2005MC01 Phys.Rev. C 71, 024309 (2005) E.A.McCutchan, N.V.Zamfir, R.F.Casten, M.A.Caprio, H.Ai, H.Amro, C.W.Beausang, A.A.Hecht, D.A.Meyer, J.J.Ressler γ-ray spectroscopy of 166Hf: X(5) in N > 90? RADIOACTIVITY 166Hf(β+), (EC) [from 159Tb(16O, 9n)]; measured Eγ, Iγ, γγ-coin. 166Hf deduced levels, J, π, X(5) symmetry features. NUCLEAR STRUCTURE 150Nd, 152Sm, 154Gd, 156Dy, 162Yb, 166Hf, 170W, 176Os; analyzed levels, J, π, B(E2), X(5) symmetry features.
doi: 10.1103/PhysRevC.71.024309
2005RO19 Phys.Rev.Lett. 95, 032502 (2005) A.P.Robinson, P.J.Woods, D.Seweryniak, C.N.Davids, M.P.Carpenter, A.A.Hecht, D.Peterson, S.Sinha, W.B.Walters, S.Zhu Ground State Proton Radioactivity from 121Pr: When Was This Exotic Nuclear Decay Mode First Discovered ? RADIOACTIVITY 121Pr(p) [from 92Mo(36Ar, 6np)]; measured Ep, T1/2. 121Pr deduced ground-state J, deformation. Comparison with previous results.
doi: 10.1103/PhysRevLett.95.032502
2005SA44 Phys.Rev.Lett. 95, 102501 (2005) G.Savard, F.Buchinger, J.A.Clark, J.E.Crawford, S.Gulick, J.C.Hardy, A.A.Hecht, J.K.P.Lee, A.F.Levand, N.D.Scielzo, H.Sharma, K.S.Sharma, I.Tanihata, A.C.C.Villari, Y.Wang Q Value of the Superallowed Decay of 46V and Its Influence on Vud and the Unitarity of the Cabibbo-Kobayashi-Maskawa Matrix ATOMIC MASSES 46Ti, 46V; measured masses; deduced Q(EC). Penning trap mass spectrometer. RADIOACTIVITY 46V(EC); analyzed masses; deduced Q(EC), log ft. 10C, 14O, 22Mg, 26mAl, 34Cl, 34Ar, 38mK, 42Sc, 46V, 50Mn, 54Co, 74Rb; compiled, analyzed log ft; deduced quark-mixing matrix element.
doi: 10.1103/PhysRevLett.95.102501
2004BA91 Phys.Rev. C 70, 044305 (2004) D.L.Balabanski, M.Danchev, D.J.Hartley, L.L.Riedinger, O.Zeidan, J.Zhang, C.J.Barton, C.W.Beausang, M.A.Caprio, R.F.Casten, J.R.Cooper, A.A.Hecht, R.Krucken, J.R.Novak, N.V.Zamfir, K.E.Zyromski Possible assignment of chiral twin bands in 188Ir NUCLEAR REACTIONS 186W(7Li, 5n), E=52 MeV; measured Eγ, Iγ, γγ-coin. 188Ir deduced high-spin levels, J, π, configurations, B(M1)/B(E2), chiral twin bands. Tilted-axis cranking calculations, level systematics in neighboring isotopes discussed.
doi: 10.1103/PhysRevC.70.044305
2004BE13 Phys.Rev. C 69, 034320 (2004) Z.Berant, A.Wolf, N.V.Zamfir, M.A.Caprio, D.S.Brenner, N.Pietralla, R.L.Gill, R.F.Casten, C.W.Beausang, R.Krucken, C.J.Barton, J.R.Cooper, A.A.Hecht, D.M.Johnson, J.R.Novak, H.Cheng, B.F.Albanna, G.Gurdal g factor of the 2+1 state of 164Yb RADIOACTIVITY 164Lu(EC) [from 155Gd(14N, 5n)]; measured Eγ, Iγ(θ, H), γγ-coin. 164Yb level deduced g factor. Comparison with model predictions. Systematic trends discussed.
doi: 10.1103/PhysRevC.69.034320
2004MC01 Phys.Rev. C 69, 024308 (2004) E.A.McCutchan, N.V.Zamfir, M.A.Caprio, R.F.Casten, H.Amro, C.W.Beausang, D.S.Brenner, A.A.Hecht, C.Hutter, S.D.Langdown, D.A.Meyer, P.H.Regan, J.J.Ressler, A.D.Yamamoto Low spin states in 162Yb and the X(5) critical point symmetry RADIOACTIVITY 162Lu(β+), (EC) [from 147Sm(19F, 4n)]; measured Eγ, Iγ, γγ-coin. 162Yb deduced levels, J, π, symmetry features.
doi: 10.1103/PhysRevC.69.024308
2004RE03 Phys.Rev. C 69, 034317 (2004) J.J.Ressler, R.F.Casten, N.V.Zamfir, C.W.Beausang, R.B.Cakirli, H.Ai, H.Amro, M.A.Caprio, A.A.Hecht, A.Heinz, S.D.Langdown, E.A.McCutchan, D.A.Meyer, C.Plettner, P.H.Regan, M.J.S.Sciacchitano, A.D.Yamamoto Transition from the seniority regime to collective motion NUCLEAR STRUCTURE 92Mo, 94Ru, 96Pd, 98Cd, 118,120,122,124,126Sn, 148Dy, 150Er, 152Yb, 154Hf, 202,204,206,208,210,212Po, 204,206,208,210,212,214Rn, 206,208,210,212,214,216Ra; analyzed B(E2); deduced signature for transition to collective motion.
doi: 10.1103/PhysRevC.69.034317
2004RE04 Phys.Rev. C 69, 034331 (2004) J.J.Ressler, C.W.Beausang, H.Ai, H.Amro, M.A.Caprio, R.F.Casten, A.A.Hecht, S.D.Langdown, E.A.McCutchan, D.A.Meyer, P.H.Regan, M.J.S.Sciacchitano, A.Yamamoto, N.V.Zamfir Isomer decay tagging in the heavy nuclei: 210Ra and 209Ra NUCLEAR REACTIONS 184W(30Si, 4n), (30Si, 5n), E=148 MeV; measured prompt and delayed Eγ, Iγ, γγ-, (recoil)γ-coin. 209,210Ra deduced levels, J, π, configurations, isomers T1/2. Gas-filled spectrometer, isomer decay tagging.
doi: 10.1103/PhysRevC.69.034331
2004SA53 Phys.Rev. C 70, 042501 (2004) G.Savard, J.A.Clark, F.Buchinger, J.E.Crawford, S.Gulick, J.C.Hardy, A.A.Hecht, V.E.Iacob, J.K.P.Lee, A.F.Levand, B.F.Lundgren, N.D.Scielzo, K.S.Sharma, I.Tanihata, I.S.Towner, W.Trimble, J.C.Wang, Y.Wang, Z.Zhou Q value of the superallowed decay of 22Mg and the calibration of the 21Na(p, γ) experiment ATOMIC MASSES 18O, 22Mg, 22Na; measured masses. 22Mg deduced Q(EC), ft. Penning trap spectrometer.
doi: 10.1103/PhysRevC.70.042501
2003CA03 Eur.Phys.J. A 16, 177 (2003) M.A.Caprio, N.V.Zamfir, E.A.McCutchan, R.F.Casten, Z.Berant, H.Amro, C.J.Barton, C.W.Beausang, D.S.Brenner, J.R.Cooper, R.L.Gill, G.Gurdal, A.A.Hecht, C.Hutter, R.Krucken, D.A.Meyer, J.R.Novak, N.Pietralla, P.H.Regan, J.J.Ressler Measurement of 2+1 level lifetimes in 162Yb and 162Er by fast electronic scintillation timing RADIOACTIVITY 162Lu(β+), (EC) [from 147Sm(19F, 4n)]; 162Tm(β+), (EC) [from 155Gd(12C, 5n), and subsequent decay]; measured Eγ, Iγ(t), γγ-, βγ-coin. 162Yb, 162Er levels deduced T1/2. Fast electronic scintillation timing, comparison with previous results.
doi: 10.1140/epja/i2002-10086-8
2003DA34 Phys.Rev. C 68, 054307 (2003) M.Danchev, D.L.Balabanski, I.Yigitoglu, B.Akkus, C.W.Beausang, M.Bostan, R.F.Casten, M.K.Djongolov, M.N.Erduran, S.Erturk, K.A.Gladnishki, G.Gurdal, J.TM.Goon, D.J.Hartley, A.A.Hecht, R.Krucken, J.R.Novak, Y.Oktem, G.Rainovski, L.L.Riedinger, N.V.Zamfir, O.Zeidan Delayed backbending in the πh9/2 band of 187Ir NUCLEAR REACTIONS 176Yb(15N, 4n), E=82 MeV; measured Eγ, Iγ, γγ-coin. 187Ir deduced high-spin levels, J, π, configurations. Rotational band systematics in neighboring nuclides discussed.
doi: 10.1103/PhysRevC.68.054307
2003HE25 Phys.Rev. C 68, 054310 (2003) A.A.Hecht, C.W.Beausang, H.Amro, C.J.Barton, Z.Berant, M.A.Caprio, R.F.Casten, J.R.Cooper, D.J.Hartley, R.Krucken, D.A.Meyer, H.Newman, J.R.Novak, N.Pietralla, J.J.Ressler, A.Wolf, N.V.Zamfir, J.-Y.Zhang, K.E.Zyromski Evidence for chiral symmetry breaking in 140Eu? NUCLEAR REACTIONS 92Mo(51V, n2p), E=205 MeV; measured Eγ, Iγ, γγ-, (X-ray)γ-coin. 140Eu deduced high-spin levels, J, π, configurations, B(M1)/B(E2), possible chiral symmetry breaking. Cranked mean field and total Routhian surface calculations. Rotational band systematics in neighboring nuclides discussed.
doi: 10.1103/PhysRevC.68.054310
2003HU07 Phys.Rev. C 67, 054315 (2003) C.Hutter, R.Krucken, A.Aprahamian, C.J.Barton, C.W.Beausang, M.A.Caprio, R.F.Casten, W.-T.Chou, R.M.Clark, D.Cline, J.R.Cooper, M.Cromaz, A.A.Hecht, A.O.Macchiavelli, N.Pietralla, M.Shawcross, M.A.Stoyer, C.Y.Wu, N.V.Zamfir B(E2) values and the search for the critical point symmetry X(5) in 104Mo and 106Mo RADIOACTIVITY 252Cf(SF); measured Doppler-shifted Eγ, Iγ, γγ-coin. 104,106Mo deduced levels T1/2, B(E2), transition quadrupole moments. Recoil-distance technique, Gammasphere array, comparison with model predictions.
doi: 10.1103/PhysRevC.67.054315
2003RE10 Phys.Rev.Lett. 90, 152502 (2003) P.H.Regan, C.W.Beausang, N.V.Zamfir, R.F.Casten, J.-Y.Zhang, A.D.Yamamoto, M.A.Caprio, G.Gurdal, A.A.Hecht, C.Hutter, R.Krucken, S.D.Langdown, D.A.Meyer, J.J.Ressler Signature for Vibrational to Rotational Evolution Along the Yrast Line NUCLEAR REACTIONS 96Zr(9Be, 3n), E=44 MeV; measured Eγ, Iγ, γγ-coin. 102Ru deduced high-spin levels, J, π, evolution from vibrational to rotational structure. NUCLEAR STRUCTURE 98,100,102,104,106,108Mo, 100,102,104,106,108,110Ru, 102,104,106,108,110,112Pd, 104,106,108,110,112,114Cd; analyzed transition energies vs spin; deduced evolution from vibrational to rotational behavior.
doi: 10.1103/PhysRevLett.90.152502
2002CA49 Phys.Rev. C 66, 054310 (2002) M.A.Caprio, N.V.Zamfir, R.F.Casten, C.J.Barton, C.W.Beausang, J.R.Cooper, A.A.Hecht, R.Krucken, H.Newman, J.R.Novak, N.Pietralla, A.Wolf, K.E.Zyromski Low-spin structure of 156Dy through γ-ray spectroscopy RADIOACTIVITY 156Er, 156Ho(β+), (EC) [from 148Sm(12C, 4n) and subsequent decay]; measured Eγ, Iγ, γγ-coin. 156Dy deduced levels, J, π, B(E2), feeding intensities. Comparisons with neighboring isotones and with model predictions.
doi: 10.1103/PhysRevC.66.054310
2002KR09 Phys.Rev.Lett. 88, 232501 (2002) R.Krucken, B.Albanna, C.Bialik, R.F.Casten, J.R.Cooper, A.Dewald, N.V.Zamfir, C.J.Barton, C.W.Beausang, M.A.Caprio, A.A.Hecht, T.Klug, J.R.Novak, N.Pietralla, P.von Brentano B(E2) Values in 150Nd and the Critical Point Symmetry X(5) NUCLEAR REACTIONS 150Nd(32S, 32S'), E=132 MeV; measured Eγ, Iγ, (particle)γ-coin, Doppler-shifted spectra following Coulomb excitation. 150Nd deduced levels T1/2, B(E2), symmetry features. Recoil-distance method.
doi: 10.1103/PhysRevLett.88.232501
2002PI04 Phys.Rev. C65, 024317 (2002) N.Pietralla, R.Krucken, C.J.Barton, C.W.Beausang, M.A.Caprio, R.F.Casten, J.R.Cooper, A.A.Hecht, J.R.Novak, N.V.Zamfir, A.Lisetskiy, A.Schmidt Lifetimes of Quasideuteron Configurations in the Odd-Odd N = Z Nucleus 2550Mn25 NUCLEAR REACTIONS 40Ca(12C, np), E=27 MeV; measured Eγ, Iγ, γγ-coin, DSA. 50Mn deduced levels, J, π, T1/2, B(M1), B(E2), quasideuteron configurations. Comparison with shell-model predictions.
doi: 10.1103/PhysRevC.65.024317
2002WO10 Phys.Rev. C66, 024323 (2002) A.Wolf, N.V.Zamfir, M.A.Caprio, Z.Berant, D.S.Brenner, N.Pietralla, R.L.Gill, R.F.Casten, C.W.Beausang, R.Kruecken, K.E.Zyromski, C.J.Barton, J.R.Cooper, A.A.Hecht, H.Newman, J.R.Novak, J.Cederkall Structure of low-lying states in 128Ba from γ-γ angular correlations and polarization measurements RADIOACTIVITY 128La(EC) [from 116Sn(16O, 3np)]; measured Eγ, Iγ, γγ-coin, γ-ray polarization. 128Ba deduced levels, J, π, B(E2). Comparison with model predictions.
doi: 10.1103/PhysRevC.66.024323
2002YA13 Phys.Rev. C66, 024302 (2002) A.D.Yamamoto, P.H.Regan, C.W.Beausang, F.R.Xu, M.A.Caprio, R.F.Casten, G.Gurdal, A.A.Hecht, C.Hutter, R.Krucken, S.D.Langdown, D.Meyer, J.J.Ressler, N.V.Zamfir High-j proton and neutron alignments in γ-soft 101Ru NUCLEAR REACTIONS 96Zr(9Be, 4n), E ≈ 44 MeV; measured Eγ, Iγ, γγ-coin. 101Ru deduced high-spin levels, J, π, configurations. Total Routhian surface calculations, comparisons with previous results.
doi: 10.1103/PhysRevC.66.024302
2002ZA04 Phys.Rev. C65, 044325 (2002) N.V.Zamfir, M.A.Caprio, R.F.Casten, C.J.Barton, C.W.Beausang, Z.Berant, D.S.Brenner, W.T.Chou, J.R.Cooper, A.A.Hecht, R.Krucken, H.Newman, J.R.Novak, N.Pietralla, A.Wolf, K.E.Zyromski 102Pd: An E(5) nucleus ? RADIOACTIVITY 102Ag(β+), (EC) [from 89Y(16O, 3n)]; measured Eγ, Iγ. 102Pd deduced levels, J, π, symmetry features.
doi: 10.1103/PhysRevC.65.044325
2002ZA07 Phys.Rev. C65, 067305 (2002) N.V.Zamfir, H.G.Borner, N.Pietralla, R.F.Casten, Z.Berant, C.J.Barton, C.W.Beausang, D.S.Brenner, M.A.Caprio, J.R.Cooper, A.A.Hecht, M.Krticka, R.Krucken, P.Mutti, J.R.Novak, A.Wolf Lifetime and B(E2) Values for the 31+ Level in 152Sm NUCLEAR REACTIONS 151Sm(n, γ), E=reactor; measured Doppler-broadened Eγ, Iγ. 152Sm level deduced T1/2, B(E2), phase coexistence. Gamma-ray induced Doppler broadening technique. RADIOACTIVITY 152Eu(EC); measured γγ-coin, γ-ray polarization. 152Sm transition deduced δ.
doi: 10.1103/PhysRevC.65.067305
2001BE10 Nucl.Phys. A682, 394c (2001) C.W.Beausang, A.A.Hecht, K.E.Zyromski, D.Balabanski, C.J.Barton, M.A.Caprio, R.F.Casten, J.R.Cooper, D.Hartley, R.Krucken, J.R.Novak, N.V.Zamfir, J.-Y.Zhang, F.Donau Evidence for Chiral Symmetry in the Mass A ∼ 130 Region NUCLEAR REACTIONS 116Sn(24Mg, 3np), E=130, 135 MeV; 106Cd(35Cl, n2p), E=150 MeV; measured Eγ, Iγ, γγ-coin. 136Pm, 138Eu deduced high-spin levels, J, π, possible chiral twin bands.
doi: 10.1016/S0375-9474(00)00665-5
2001HE15 Phys.Rev. C63, 051302 (2001) A.A.Hecht, C.W.Beausang, K.E.Zyromski, D.L.Balabanski, C.J.Barton, M.A.Caprio, R.F.Casten, J.R.Cooper, D.J.Hartley, R.Krucken, D.Meyer, H.Newman, J.R.Novak, E.S.Paul, N.Pietralla, A.Wolf, N.V.Zamfir, J.-Y.Zhang, F.Donau Evidence for Chiral Symmetry Breaking in 136Pm and 138Eu NUCLEAR REACTIONS 116Sn(24Mg, 3np), E=130, 135 MeV; 106Cd(35Cl, n2p), E=150 MeV; measured Eγ, Iγ, γγ-coin, γ-ray polarization. 136Pm, 138Eu deduced high-spin levels, J, π, configurations, B(M1)/B(E2), chiral twin bands. Comparison with tilted axis cranking model calculations. Yrast ball, Eurogam I arrays.
doi: 10.1103/PhysRevC.63.051302
2001KR13 Phys.Rev. C64, 017305 (2001) R.Krucken, W.-T.Chou, J.R.Cooper, C.W.Beausang, C.J.Barton, M.A.Caprio, R.F.Casten, A.A.Hecht, J.R.Novak, N.Pietralla, A.Wolf, N.V.Zamfir Lifetimes in Neutron-Rich Fission Fragments using the Differential Recoil Distance Method RADIOACTIVITY 252Cf(SF); measured Doppler-shifted Eγ, Iγ, γγ-, (fragment)γ-coin. 104Mo, 110Ru, 144Ba deduced levels T1/2, transition quadrupole moments. Differential recoil distance method.
doi: 10.1103/PhysRevC.64.017305
2001NE11 Phys.Rev. C64, 027304 (2001) H.Newman, J.R.Novak, C.W.Beausang, C.J.Barton, M.A.Caprio, R.F.Casten, J.R.Cooper, A.A.Hecht, R.Krucken, N.Pietralla, A.Wolf, N.V.Zamfir, J.-Y.Zhang, K.E.Zyromski, I.Birriel, J.Saladin High-Spin States in 203Rn NUCLEAR REACTIONS 174Yb(34S, 5n), E=167 MeV; 168Er(40Ar, 5n), E=188 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 203Rn deduced high-spin levels, J, π, configurations. Gammasphere, Yrast ball arrays, fragment mass analyzer.
doi: 10.1103/PhysRevC.64.027304
2001PI12 Phys.Rev. C64, 031301 (2001) N.Pietralla, C.J.Barton III, R.Krucken, C.W.Beausang, M.A.Caprio, R.F.Casten, J.R.Cooper, A.A.Hecht, H.Newman, J.R.Novak, N.V.Zamfir Coulomb Excitation of the 2ms+ State of 96Ru in Inverse Kinematics NUCLEAR REACTIONS C(96Ru, 96Ru'), E=280 MeV; measured Eγ, Iγ, γγ-coin following projectile Coulomb excitation. 96Ru deduced transitions B(M1), B(E2), mixed-symmetry 2+ state. Comparison with neighboring nuclide 94Mo, IBM-2, shell model, and quasiparticle phonon model calculations.
doi: 10.1103/PhysRevC.64.031301
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
2001WU03 Phys.Rev. C64, 014307 (2001); Comment Phys.Rev. C66, 039801 (2002) C.Y.Wu, D.Cline, A.B.Hayes, M.W.Simon, R.Krucken, J.R.Cooper, C.J.Barton, C.W.Beausang, C.Bialik, M.A.Caprio, R.F.Casten, A.A.Hecht, H.Newman, J.Novak, N.Pietralla, K.Zyromski, N.V.Zamfir Two-Phonon γ-Vibrational Strength in Osmium Nuclei NUCLEAR REACTIONS 188,190Os(58Ni, 58Ni'), E=275 MeV; measured Doppler-shifted Eγ, Iγ, γγ-, (particle)γ-coin following Coulomb excitation. 188,190Os deduced levels, J, π, B(E2), two-phonon γ-vibration strength. Recoil-distance technique.
doi: 10.1103/PhysRevC.64.014307
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