NSR Query Results
Output year order : Descending NSR database version of March 18, 2024. Search: Author = C.J.Guess Found 33 matches. 2021PR11 Phys.Rev. C 104, 044318 (2021) V.S.Prasher, A.J.Mitchell, C.J.Lister, P.Chowdhury, L.Afanasieva, M.Albers, C.J.Chiara, M.P.Carpenter, D.Cline, N.D'Olympia, C.J.Guess, A.B.Hayes, C.R.Hoffman, R.V.F.Janssens, B.P.Kay, T.L.Khoo, A.Korichi, T.Lauritsen, E.Merchan, Y.Qiu, D.Seweryniak, R.Shearman, S.K.Tandel, A.Verras, C.Y.Wu, S.Zhu Shapes, softness, and nonyrast collectivity in 186W NUCLEAR REACTIONS 186W(136Xe, 136Xe')186W, E=725, 800 MeV from ATLAS-ANL facility; measured scattered beam- and target-like ions using Rochester-Livermore 4π CHICO2 array, Eγ, Iγ, γγ- and (particle)γ-coin, gγ(θ)(DCO) using Gammasphere array. 186W; deduced high-spin levels, J, π, Kπ, multipolarities, rotational bands, odd-even staggering parameters S(J) for bands and compared with predictions for an axially symmetric rotor, a rigid asymmetric rotor and a γ-unstable nucleus, B(E1) ratios. Systematics of E(first 2+), E(first 4+)/E(first 2+), E(second 2+)/E(first 2+), E(second 0+)/E(first 2+) for A=178-188 even-A W isotopes, and staggering parameters for 178,180,182,184,186,188W, 178,180Hf, 188Os.
doi: 10.1103/PhysRevC.104.044318
2021ZA06 Phys.Rev. C 104, 014607 (2021) J.C.Zamora, C.Sullivan, R.G.T.Zegers, N.Aoi, L.Batail, D.Bazin, M.Carpenter, J.J.Carroll, Y.D.Fang, H.Fujita, U.Garg, G.Gey, C.J.Guess, M.N.Harakeh, T.H.Hoang, E.Hudson, N.Ichige, E.Ideguchi, A.Inoue, J.Isaak, C.Iwamoto, C.Kacir, N.Kobayashi, T.Koike, M.Kumar Raju, S.Lipschutz, M.Liu, P.von Neumann-Cosel, S.Noji, H.J.Ong, S.Peru, J.Pereira, J.Schmitt, A.Tamii, R.Titus, V.Werner, Y.Yamamoto, X.Zhou, S.Zhu Investigation of the isoscalar response of 24Mg to 6Li scattering NUCLEAR REACTIONS 24Mg(6Li, 6Li'), E=100 MeV/nucleon; measured scattered 6Li particles, σ(θ) using Grand Raiden spectrometer and two position-sensitive multiwire drift chambers (MWDCs) and three plastic scintillators for particle identification and reconstructing their trajectories at RCNP-Osaka University; deduced differential σ(E, Q), angular momentum transfers by fitting with multipole-decomposition analysis (MDA) using DWBA calculations for angular-momentum transfers. 24Mg; deduced energies, widths, EWSR, isoscaler giant monopole resonance (ISGMR), isoscaler giant monopole resonance (ISGDR), isoscaler giant quadrupole resonance (ISGQR) strength functions from Lorentzian fits to data. Comparison with antisymmetrized molecular dynamics (AMD) calculations, and with previous experimental data.
doi: 10.1103/PhysRevC.104.014607
2020GA02 Phys.Rev. C 101, 014308 (2020) B.Gao, R.G.T.Zegers, J.C.Zamora, D.Bazin, B.A.Brown, P.Bender, H.L.Crawford, J.Engel, A.Falduto, A.Gade, P.Gastis, T.Ginter, C.J.Guess, S.Lipschutz, A.O.Macchiavelli, K.Miki, E.M.Ney, B.Longfellow, S.Noji, J.Pereira, J.Schmitt, C.Sullivan, R.Titus, D.Weisshaar Gamow-Teller transitions to 93Zr via the 93Nb (t, 3He + γ) reaction at 115 MeV/u and its application to the stellar electron-capture rates NUCLEAR REACTIONS 93Nb(t, 3He), E=115 MeV/nucleon; measured 3He particle spectra, Eγ, double-differential σ(θ) using S800 spectrograph and GRETINA array at NSCL-MSU Coupled Cyclotron Facility. 93Zr; deduced levels, L-transfer, J, π, B(GT), electron capture (EC) rates in the late evolution of core-collapse supernovae, DWBA and multipole decomposition analysis (MDA). Comparison with QRPA and shell-model calculations.
doi: 10.1103/PhysRevC.101.014308
2020ZA05 Phys.Rev. C 101, 064609 (2020) J.C.Zamora, C.Sullivan, R.G.T.Zegers, N.Aoi, L.Batail, D.Bazin, M.Carpenter, J.J.Carroll, I.Deloncle, Y.D.Fang, H.Fujita, U.Garg, G.Gey, C.J.Guess, M.N.Harakeh, T.H.Hoang, E.Hudson, N.Ichige, E.Ideguchi, A.Inoue, J.Isaak, C.Iwamoto, C.Kacir, N.Kobayashi, T.Koike, M.Kumar Raju, S.Lipschutz, M.Liu, P.von Neumann-Cosel, S.Noji, H.J.Ong, S.Peru, J.Pereira, J.Schmitt, A.Tamii, R.Titus, V.Werner, Y.Yamamoto, X.Zhou, S.Zhu Reexamination of isoscalar giant resonances in 12C and 93Nb through 6Li scattering NUCLEAR REACTIONS 12C, 93Nb(6Li, 6Li'), E=100 MeV/nucleon; measured 6Li spectra, double-differential σ, and angular distributions for the isoscalar giant monopole resonances (ISGMRs) using the high-resolution Grand Raiden magnetic spectrometer at the RCNP-Osaka facility; deduced contribution of different angular momentum transfers to differential σ, energies, widths and E0 strength distribution of GMRs, EWSR, influence on GMRs due to nuclear structure. Angular distribution data fitted using multipole-decomposition analysis (MDA) and DWBA methods. Comparison with antisymmetrized molecular dynamics (AMD) calculations, and with previous experimental data.
doi: 10.1103/PhysRevC.101.064609
2019FU06 Phys.Rev. C 100, 034618 (2019) H.Fujita, Y.Fujita, Y.Utsuno, K.Yoshida, T.Adachi, A.Algora, M.Csatlos, J.M.Deaven, E.Estevez Aguado, C.J.Guess, J.Gulyas, K.Hatanaka, K.Hirota, R.Hutton, D.Ishikawa, A.Krasznahorkay, H.Matsubara, F.Molina, H.Okamura, H.J.Ong, G.Perdikakis, B.Rubio, C.Scholl, Y.Shimbara, G.Susoy, T.Suzuki, A.Tamii, J.H.Thies, R.G.T.Zegers, J.Zenihiro Experimental study of Gamow-Teller transitions via the high-energy-resolution 18O(3He, t)18F reaction: Identification of the low-energy "super"-Gamow-Teller state NUCLEAR REACTIONS 18O(3He, t)18F, E=140 MeV/nucleon; measured E(t), I(t), angular distribution of tritons using Grand Raiden magnetic spectrometer at RCNP facility. 18F; deduced levels, J, π, L-transfers, widths, B(GT) Gamow-Teller strengths, low-energy super Gamow-Teller (LeSGT) state. DWBA analysis. Comparison with previous experimental and evaluated data, and with shell-model calculations using USDA, USDB and modified-PSDWBT interactions, and quasiparticle-random-phase approximation (QRPA) calculations.
doi: 10.1103/PhysRevC.100.034618
2019ZA07 Phys.Rev. C 100, 032801(R) (2019) J.C.Zamora, R.G.T.Zegers, SamM.Austin, D.Bazin, B.A.Brown, P.C.Bender, H.L.Crawford, J.Engel, A.Falduto, A.Gade, P.Gastis, B.Gao, T.Ginter, C.J.Guess, S.Lipschutz, B.Longfellow, A.O.Macchiavelli, K.Miki, E.Ney, S.Noji, J.Pereira, J.Schmitt, C.Sullivan, R.Titus, D.Weisshaar Experimental constraint on stellar electron-capture rates from the 88Sr(t, 3He + γ) 88Rb reaction at 115 MeV/u NUCLEAR REACTIONS 88Sr(t, 3He)88Rb, E=115 MeV/nucleon, [secondary triton beam from 9Be(16O, X), E=150 MeV/nucleon using Coupled Cyclotron Facility and A1900 fragment separator at NSCL-MSU]; measured 3He ejectiles, angular distributions using S800 spectrograph, and Eγ, Iγ using GRETINA array; deduced double-differential cross sections, L-transfers from fitting of the σ(θ) distributions in the multipole decomposition analysis (MDA), two-dimensional histogram of γ-ray energy versus excitation energy of 88Rb. 88Sr; deduced B(GT) strength distributions, electron capture (EC) rates on 88Sr as a function of stellar density at a temperature of 10 GK. 86,87,88Rb; deduced transitions. 12C(t, 3He)12B, E=115 MeV/nucleon; measured 3He ejectiles, reaction used for calibration and for absolute measurement of the triton beam intensity. Comparison of experimental EC rates on 88Sr with shell model and QRPA calculations. Relevance to the late evolution of core-collapse supernovae.
doi: 10.1103/PhysRevC.100.032801
2018SU14 Phys.Rev. C 98, 015804 (2018) C.Sullivan, R.G.T.Zegers, S.Noji, SamM.Austin, J.Schmitt, N.Aoi, D.Bazin, M.Carpenter, J.J.Carroll, H.Fujita, U.Garg, G.Gey, C.J.Guess, T.H.Hoang, M.N.Harakeh, E.Hudson, N.Ichige, E.Ideguchi, A.Inoue, J.Isaak, C.Iwamoto, C.Kacir, T.Koike, N.Kobayashi, S.Lipschutz, M.Liu, P.von Neumann-Cosel, H.J.Ong, J.Pereira, M.Kumar Raju, A.Tamii, R.Titus, V.Werner, Y.Yamamoto, Y.D.Fang, J.C.Zamora, S.Zhu, X.Zhou The (6Li, 6Li* [3.56 MeV]) reaction at 100 MeV/u as a probe of Gamow-Teller transition strengths in the inelastic scattering channel NUCLEAR REACTIONS 12C(6Li, 6Li'), E=100 MeV/nucleon; measured Eγ, Iγ, 6Li scattered particles, (6Li)γ-coin, double differential σ(θ, Eex) using CAGRA detector array for γ detection, and Grand Raiden magnetic spectrometer for analysis of charged particles at RCNP-Osaka; deduced Doppler-corrected (6Li)γ-coin spectrum, Gamow-Teller strengths, and isovector spin-transfer response in inelastic reaction channel by tagging the reaction with the 3.56-MeV γ-ray from the excited state of 6Li. 24Mg, 93Nb(6Li, 6Li'), E=100 MeV/nucleon; reactions used for calibration, also it was not possible to isolate the isovector spin transfer excitations in the inelastic channel.
doi: 10.1103/PhysRevC.98.015804
2016GA23 Phys.Rev. C 93, 064326 (2016) E.Ganioglu, H.Fujita, B.Rubio, Y.Fujita, T.Adachi, A.Algora, M.Csatlos, J.M.Deaven, E.Estevez Aguado, C.J.Guess, J.Gulyas, K.Hatanaka, K.Hirota, M.Honma, D.Ishikawa, A.Krasznahorkay, H.Matsubara, R.Meharchand, F.Molina, H.Okamura, H.J.Ong, T.Otsuka, G.Perdikakis, C.Scholl, Y.Shimbara, G.Susoy, T.Suzuki, A.Tamii, J.H.Thies, R.G.T.Zegers, J.Zenihiro High-resolution study of Gamow-Teller transitions in the 48Ti(3He, t)48V reaction NUCLEAR REACTIONS 48Ti(3He, t), E=140 MeV/nucleon; measured E(t), I(t), σ(θ) using Grand Raiden spectrometer at RCNP-Osaka cyclotron facility. 48V; deduced levels, L-transfers, Tz=+2 to +1 Gamow-Teller transitions, Gamow-Teller B(GT) strengths. DWBA analysis. Comparisons with shell-model calculations using GXPF1J interaction, and with B(GT) results from 47Ti(3He, t)47V reaction. Predictions for β spectrum of mirror decay 48Fe to 48Mn.
doi: 10.1103/PhysRevC.93.064326
2015FU08 Phys.Rev. C 91, 064316 (2015) Y.Fujita, H.Fujita, T.Adachi, G.Susoy, A.Algora, C.L.Bai, G.Colo, M.Csatlos, J.M.Deaven, E.Estevez Aguado, C.J.Guess, J.Gulyas, K.Hatanaka, K.Hirota, M.Honma, D.Ishikawa, A.Krasznahorkay, H.Matsubara, R.Meharchand, F.Molina, H.Nakada, H.Okamura, H.J.Ong, T.Otsuka, G.Perdikakis, B.Rubio, H.Sagawa, P.Sarriguren, C.Scholl, Y.Shimbara, E.J.Stephenson, T.Suzuki, A.Tamii, J.H.Thies, K.Yoshida, R.G.T.Zegers, J.Zenihiro High-resolution study of Gamow-Teller excitations in the 42Ca (3He, t) 42Sc reaction and the observation of a "low-energy super-Gamow-Teller state" NUCLEAR REACTIONS 42Ca(3He, t), E=140 MeV/nucleon; measured triton spectra, σ(θ) using Grand Raiden spectrometer at RCNP facility. 42Sc; deduced levels, J, π, IAS, isospin of excited GT states, L-transfers, B(GT), configurations. Comparison of B(GT) values with those for 44,48Sc, and from 42Ti β+ decay to 42Sc. Isospin assignments made in comparison with results from 42Ca(p, p') reaction. Comparison with shell-model calculations using GXPF1J interaction. 12N, 16F, 40,44Sc; observed peaks from contaminants in the target material, and appropriate corrections applied to triton spectra for 42Sc.
doi: 10.1103/PhysRevC.91.064316
2015NO04 Phys.Rev. C 92, 024312 (2015) S.Noji, R.G.T.Zegers, SamM.Austin, T.Baugher, D.Bazin, B.A.Brown, C.M.Campbell, A.L.Cole, H.J.Doster, A.Gade, C.J.Guess, S.Gupta, G.W.Hitt, C.Langer, S.Lipschutz, E.Lunderberg, R.Meharchand, Z.Meisel, G.Perdikakis, J.Pereira, F.Recchia, H.Schatz, M.Scott, S.R.Stroberg, C.Sullivan, L.Valdez, C.Walz, D.Weisshaar, S.J.Williams, K.Wimmer Gamow-Teller transitions to 45Ca via the 45Sc (t, 3He+γ) reaction at 115 MeV/u and its application to stellar electron-capture rates NUCLEAR REACTIONS 45Sc(t, 3He), E=115 MeV/nucleon, [triton beam from 9Be(16O, X), E=150 MeV/nucleon reaction]; measured 3He spectra, double-differential σ(θ), Eγ, Iγ, (particle)γ-coin using S800 spectrometer, cathode-readout drift chambers (CRDCs) and Gretina array at NSCL-MSU Coupled-Cyclotron facility. 45Ca; deduced levels, J, π, B(GT) strength functions, electron capture rates on 45Ca as function of stellar temperatures T9=8.5-10.5, poor agreement with shell-model calculations in the pf space and using GXPF1A, KB3G, and FPD6 interactions. Comparison of B(GT) with that from 45Ca g.s. to 45Sc g.s. β transition.
doi: 10.1103/PhysRevC.92.024312
2014FU02 Phys.Rev.Lett. 112, 112502 (2014) Y.Fujita, H.Fujita, T.Adachi, C.L.Bai, A.Algora, G.P.A.Berg, P.von Brentano, G.Colo, M.Csatlos, J.M.Deaven, E.Estevez Aguado, C.Fransen, D.De Frenne, K.Fujita, E.Ganioglu, C.J.Guess, J.Gulyas, K.Hatanaka, K.Hirota, M.Honma, D.Ishikawa, E.Jacobs, A.Krasznahorkay, H.Matsubara, K.Matsuyanagi, R.Meharchand, F.Molina, K.Muto, K.Nakanishi, A.Negret, H.Okamura, H.J.Ong, T.Otsuka, N.Pietralla, G.Perdikakis, L.Popescu, B.Rubio, H.Sagawa, P.Sarriguren, C.Scholl, Y.Shimbara, Y.Shimizu, G.Susoy, T.Suzuki, Y.Tameshige, A.Tamii, J.H.Thies, M.Uchida, T.Wakasa, M.Yosoi, R.G.T.Zegers, K.O.Zell, J.Zenihiro Observation of Low- and High-Energy Gamow-Teller Phonon Excitations in Nuclei NUCLEAR REACTIONS 42Ca, 46Ti, 50Cr, 54Fe(3He, t), E=140 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced cumulative-sum strengths of the experimental B(GT) values in the final nuclei, two kinds of GT phonon states. GXPF1J, quasi particle random phase approximation (QRPA) framework based on a self-consistent Hartree-Fock mean field with Skyrme interaction calculations, comparison with available data.
doi: 10.1103/PhysRevLett.112.112502
2014HO16 Phys.Lett. B 739, 13 (2014) S.S.Hota, P.Chowdhury, T.L.Khoo, M.P.Carpenter, R.V.F.Janssens, Y.Qiu, I.Ahmad, J.P.Greene, S.K.Tandel, D.Seweryniak, S.Zhu, P.F.Bertone, C.J.Chiara, A.Y.Deo, N.D'Olympia, S.Gros, C.J.Guess, T.Harrington, D.J.Hartley, G.Henning, C.R.Hoffman, E.G.Jacksona, F.G.Kondev, S.Lakshmi, T.Lauritsen, C.J.Lister, E.A.McCutchan, K.Moran, C.Nair, D.Peterson, U.Shirwadkar, I.Stefanescu N=151 Pu, Cm and Cf nuclei under rotational stress: Role of higher-order deformations NUCLEAR REACTIONS 244Pu, 249Cf(208Pb, X)242Pu/243Pu/244Pu/245Pu/246Pu/248Cf/249Cf/250Cf, 248Cm(209Bi, X)246Cm/247Cm/248Cm/249Cm/250Cm, E not given; measured reaction products, Eγ, Iγ. 245Pu, 247Cm, 249Cf; deduced energy levels, J, π, rotational bands, high-spins, deformations. Comparison with available data, Cranked WS model.
doi: 10.1016/j.physletb.2014.10.021
2014KA27 Phys.Rev. C 89, 064313 (2014) M.Karakoc, R.G.T.Zegers, B.A.Brown, Y.Fujita, T.Adachi, I.Boztosun, H.Fujita, M.Csatlos, J.M.Deaven, C.J.Guess, J.Gulyas, K.Hatanaka, K.Hirota, D.Ishikawa, A.Krasznahorkay, H.Matsubara, R.Meharchand, F.Molina, H.Okamura, H.J.Ong, G.Perdikakis, C.Scholl, Y.Shimbara, G.Susoy, T.Suzuki, A.Tamii, J.H.Thies, J.Zenihiro Gamow-Teller transitions in the A=40 isoquintet of relevance for neutrino captures in 40Ar NUCLEAR REACTIONS 40Ar(3He, t), E=140 MeV/nucleon; measured triton spectra, σ using Grand-Raiden spectrometer at RCNP facility. 40K; deduced levels, J, π, B(GT) DWBA analysis. Main focus on 1+ states at 2290 and 2730 keV. Other details to appear in a future publication. 40Ar(p, n)40K; 40Ti(β+), (EC); analyzed previous experimental results, and compared Gamow-Teller B(GT) strengths in all three studies. Comparison with shell-model calculations in the sd-pf shell with a new interaction (WBMB-C) to study differences between structure of transitions from 40Ar and 40Ti. Discussed ratio of the cross sections for low-lying 1+ states populated in 40Ar(p, n) and 40Ar(3He, t) reactions. Relevance of 40Ar in the use of liquid argon as a medium for neutrino detection.
doi: 10.1103/PhysRevC.89.064313
2014NO05 Phys.Rev.Lett. 112, 252501 (2014) S.Noji, R.G.T.Zegers, S.M.Austin, T.Baugher, D.Bazin, B.A.Brown, C.M.Campbell, A.L.Cole, H.J.Doster, A.Gade, C.J.Guess, S.Gupta, G.W.Hitt, C.Langer, S.Lipschutz, E.Lunderberg, R.Meharchand, Z.Meisel, G.Perdikakis, J.Pereira, F.Recchia, H.Schatz, M.Scott, S.R.Stroberg, C.Sullivan, L.Valdez, C.Walz, D.Weisshaar, S.Williams, K.Wimmer β+ Gamow-Teller Transition Strengths from 46Ti and Stellar Electron-Capture Rates RADIOACTIVITY 46Ti(β+), (EC) [from 46Ti(t, 3He), E=115 MeV/nucleon]; measured reaction and decay products, Eγ, Iγ; deduced σ(θ, E), Gamow-Teller transition strength, energy levels, J, π, electron capture decay rates. Comparison with shell model calculations using GXPF1A, KB3G, FPD6 interactions, QRPA calculations.
doi: 10.1103/PhysRevLett.112.252501
2014SC17 Phys.Rev. C 90, 025801 (2014) M.Scott, Y.Shimbara, SamM.Austin, D.Bazin, B.A.Brown, J.M.Deaven, Y.Fujita, C.J.Guess, S.Gupta, G.W.Hitt, D.Koeppe, R.Meharchand, M.Nagashima, G.Perdikakis, A.Prinke, M.Sasano, C.Sullivan, L.Valdez, R.G.T.Zegers Gamow-Teller transition strengths from 56Fe extracted from the 56Fe (t, 3He) reaction NUCLEAR REACTIONS 56Fe(t, 3He), E=115 MeV/nucleon, [secondary triton beam from 9Be(16O, X), E=150 MeV/nucleon primary reaction]; measured 3He spectra, differential σ(θ) as function of excitation energy using S800 magnetic spectrograph at NSCL-MSU facility; deduced L-transfer, Gamow-Teller (GT) strength distribution, electron capture rates in 56Fe at astrophysical temperatures T9=2-10. DWBA analysis. Comparison with data from 56Fe(p, n), and with shell-model calculations in the pf-shell model space using the KB3G and GXPF1a interactions, and with calculations in the quasi-particle random-phase approximation (QRPA).
doi: 10.1103/PhysRevC.90.025801
2013FU08 Phys.Rev. C 88, 014308 (2013) Y.Fujita, T.Adachi, H.Fujita, A.Algora, B.Blank, M.Csatlos, J.M.Deaven, E.Estevez Aguado, E.Ganioglu, C.J.Guess, J.Gulyas, K.Hatanaka, K.Hirota, M.Honma, D.Ishikawa, A.Krasznahorkay, H.Matsubara, R.Meharchand, F.Molina, H.Okamura, H.J.Ong, T.Otsuka, G.Perdikakis, B.Rubio, C.Scholl, Y.Shimbara, E.J.Stephenson, G.Susoy, T.Suzuki, A.Tamii, J.H.Thies, R.G.T.Zegers, J.Zenihiro High-resolution study of TZ = +2 → +1 Gamow-Teller transitions in the 44Ca(3He, t)44Sc reaction NUCLEAR REACTIONS 44Ca(3He, t), E=140 MeV/nucleon; measured triton spectra, σ(θ) using Grand Raiden magnetic spectrometer at RCNP facility. 44Sc; deduced levels, IAS, L transfers, J, π, B(GT) strengths, Ikeda sum rule for B(GT). Comparison with data from 44Ca(p, p'), E=200 MeV reaction populating T=1 states in 44Ca. Comparison with shell-model calculations using GXPF1J effective interaction. Discussed double isobaric analog state in 44Ca, and analog states in A=44 system of 44K, 44Ca, 44Sc, 44Ti, 44V, 44Cr nuclei. RADIOACTIVITY 44Cr(β+), (β+p); deduced half-life of 44Cr, and β+ spectrum based on B(GT) from 44Ca(3He, t) reaction; compared β+ spectrum with measured delayed-proton spectrum.
doi: 10.1103/PhysRevC.88.014308
2013GA04 Phys.Rev. C 87, 014321 (2013) E.Ganioglu, H.Fujita, Y.Fujita, T.Adachi, A.Algora, M.Csatlos, J.M.Deaven, E.Estevez Aguado, C.J.Guess, J.Gulyas, K.Hatanaka, K.Hirota, M.Honma, D.Ishikawa, A.Krasznahorkay, H.Matsubara, R.Meharchand, F.Molina, H.Okamura, H.J.Ong, T.Otsuka, G.Perdikakis, B.Rubio, C.Scholl, Y.Shimbara, G.Susoy, T.Suzuki, A.Tamii, J.H.Thies, R.G.T.Zegers, J.Zenihiro High-resolution study of Gamow-Teller transitions in the 47Ti(3He, t)47V reaction NUCLEAR REACTIONS 47Ti(3He, t), E=140 MeV/nucleon; measured E(t), I(t), σ(θ) using Grand Raiden magnetic spectrometer at the RCNP, Osaka. 47V; deduced levels, IAS, L-transfer, J, π, Gamow-Teller strengths. DWBA analysis. Comparison with shell-model calculations using the GXPF1 interaction.
doi: 10.1103/PhysRevC.87.014321
2012LO08 Phys.Rev. C 86, 014313 (2012) G.Lorusso, A.Becerril, A.Amthor, T.Baumann, D.Bazin, J.S.Berryman, B.A.Brown, R.H.Cyburt, H.L.Crawford, A.Estrade, A.Gade, T.Ginter, C.J.Guess, M.Hausmann, G.W.Hitt, P.F.Mantica, M.Matos, R.Meharchand, K.Minamisono, F.Montes, G.Perdikakis, J.Pereira, M.Portillo, H.Schatz, K.Smith, J.Stoker, A.Stolz, R.G.T.Zegers β-delayed proton emission in the 100Sn region RADIOACTIVITY 89Ru, 91,92Rh, 93Pd, 95,96,96mAg, 96,97,97mCd, 98,98m,99,100In, 100,101Sn[from 9Be(112Sn, X), E=140 MeV/nucleon](β+), (EC), (β+p); measured Eγ, Iγ, β spectra, E(p), I(p), βγ-coin, βp-coin, γβp-coin, fragment yields, half-lives, β-delayed proton emission branching ratios using NSCL Beta Counting System and SeGA array. Discussed rp-process implications. Comparison with previous studies and theoretical calculations. X-ray bursts calculations.
doi: 10.1103/PhysRevC.86.014313
2012ME05 Phys.Rev.Lett. 108, 122501 (2012) R.Meharchand, R.G.T.Zegers, B.A.Brown, Sam M.Austin, T.Baugher, D.Bazin, J.Deaven, A.Gade, G.F.Grinyer, C.J.Guess, M.E.Howard, H.Iwasaki, S.McDaniel, K.Meierbachtol, G.Perdikakis, J.Pereira, A.M.Prinke, A.Ratkiewicz, A.Signoracci, S.Stroberg, L.Valdez, P.Voss, K.A.Walsh, D.Weisshaar, and R.Winkler Probing Configuration Mixing in 12Be with Gamow-Teller Transition Strengths NUCLEAR REACTIONS Li(12B, 7Be)12Be, E=80 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced σ(θ), B(GT) transition strength, level energies, J, π. Comparison with shell model calculations.
doi: 10.1103/PhysRevLett.108.122501
2012SA37 Phys.Rev. C 86, 034324 (2012) M.Sasano, G.Perdikakis, R.G.T.Zegers, SamM.Austin, D.Bazin, B.A.Brown, C.Caesar, A.L.Cole, J.M.Deaven, N.Ferrante, C.J.Guess, G.W.Hitt, M.Honma, R.Meharchand, F.Montes, J.Palardy, A.Prinke, L.A.Riley, H.Sakai, M.Scott, A.Stolz, T.Suzuki, L.Valdez, K.Yako Extraction of Gamow-Teller strength distributions from 56Ni and 55Co via the (p, n) reaction in inverse kinematics NUCLEAR REACTIONS 1H(55Co, n), E=106 MeV/nucleon; 1H(56Ni, n), E=110 MeV/nucleon, [55Co and 56Ni secondary beams from Be(58Ni, X), E=160 MeV/nucleon primary reaction]; measured E(n), I(n), neutron time of flight, differential σ(θ), excitation spectra using LENDA neutron detector array at NSCL facility. 55Co, 56Ni; deduced Gamow-Teller strengths in (p, n) reactions. Comparison with shell-model calculations in pf shell with KB3G and GXPF1J interactions. Be(58Ni, X)52Fe/53Fe/53Co/54Co/55Ni/55Co/56Ni/56Cu, E=160 MeV/nucleon; measured particle spectra, yields.
doi: 10.1103/PhysRevC.86.034324
2011BE34 Phys.Rev. C 84, 041303 (2011) A.D.Becerril, G.Lorusso, A.M.Amthor, T.Baumann, D.Bazin, J.S.Berryman, B.A.Brown, H.L.Crawford, A.Estrade, A.Gade, T.Ginter, C.J.Guess, M.Hausmann, G.W.Hitt, P.F.Mantica, M.Matos, R.Meharchand, K.Minamisono, F.Montes, G.Perdikakis, J.Pereira, M.Portillo, H.Schatz, K.Smith, J.Stoker, A.Stolz, R.G.T.Zegers High-spin μs isomeric states in 96Ag NUCLEAR REACTIONS 9Be(112Sn, X), E=120 MeV/nucleon; measured Eγ, Iγ, γγ-, (fragment)γγ-coin, isomer T1/2. 96Ag; deduced levels, J, π. A1900 Fragment Separator and SeGA array at NSCL. Comparison with shell-model calculations.
doi: 10.1103/PhysRevC.84.041303
2011FR15 Phys.Lett. B 706, 134 (2011) D.Frekers, H.Ejiri, H.Akimune, T.Adachi, B.Bilgier, B.A.Brown, B.T.Cleveland, H.Fujita, Y.Fujita, M.Fujiwara, E.Ganioglu, V.N.Gavrin, E.-W.Grewe, C.J.Guess, M.N.Harakeh, K.Hatanaka, R.Hodak, M.Holl, C.Iwamoto, N.T.Khai, H.C.Kozer, A.Lennarz, A.Okamoto, H.Okamura, P.P.Povinec, P.Puppe, F.Simkovic, G.Susoy, T.Suzuki, A.Tamii, J.H.Thies, J.Van de Walle, R.G.T.Zegers The 71Ga(3He, t) reaction and the low-energy neutrino response NUCLEAR REACTIONS 71Ga(3He, t), E=420 MeV; measured reaction products; deduced isobaric-analogue resonance yields, σ(θ), Gamow-Teller strength values. SAGE and GALLEX calibration implications.
doi: 10.1016/j.physletb.2011.10.061
2011GU14 Phys.Rev. C 83, 064318 (2011) C.J.Guess, T.Adachi, H.Akimune, A.Algora, S.M.Austin, D.Bazin, B.A.Brown, C.Caesar, J.M.Deaven, H.Ejiri, E.Estevez, D.Fang, A.Faessler, D.Frekers, H.Fujita, Y.Fujita, M.Fujiwara, G.F.Grinyer, M.N.Harakeh, K.Hatanaka, C.Herlitzius, K.Hirota, G.W.Hitt, D.Ishikawa, H.Matsubara, R.Meharchand, F.Molina, H.Okamura, H.J.Ong, G.Perdikakis, V.Rodin, B.Rubio, Y.Shimbara, G.Susoy, T.Suzuki, A.Tamii, J.H.Thies, C.Tur, N.Verhanovitz, M.Yosoi, J.Yurkon, R.G.T.Zegers, J.Zenihiro The 150Nd(3He, t) and 150Sm(t, 3He) reactions with applications to ββ decay of 150Nd NUCLEAR REACTIONS 150Nd(3He, t), E=140 MeV/nucleon; 150Sm(t, 3He), E=115 MeV/nucleon; measured triton and 3He spectra, excitation energy spectra, differential cross sections, σ(θ) 150Pm; deduced B(GT) strengths; isovector spin-flip giant monopole resonance (IVSGMR). Grand Raiden Spectrometer for (3He, t) and S-800 spectrometer for (t, 3He). Comparison with Quasi-Particle Random Phase Approximation (QRPA) calculations. Application to double β decay of 150Nd. RADIOACTIVITY 150Nd(2β-); calculated matrix elements for 0νββ and 2νββ decay modes using QRPA calculations. Comparison with experimental data.
doi: 10.1103/PhysRevC.83.064318
2011LO09 Phys.Lett. B 699, 141 (2011) G.Lorusso, A.Becerril, A.Amthor, T.Baumann, D.Bazin, J.S.Berryman, B.A.Brown, R.H.Cyburt, H.L.Crawford, A.Estrade, A.Gade, T.Ginter, C.J.Guess, M.Hausmann, G.W.Hitt, P.F.Mantica, M.Matos, R.Meharchand, K.Minamisono, F.Montes, G.Perdikakis, J.Pereira, M.Portillo, H.Schatz, K.Smith, J.Stoker, A.Stolz, R.G.T.Zegers Half-lives of ground and isomeric states in 97Cd and the astrophysical origin of 96Ru RADIOACTIVITY 97Cd(β+), (β+p) [from 9Be(112Sn, X), E=120 MeV/nucleon]; measured proton spectra, Eγ, Iγ; deduced evidence for a high spin isomer (25/2+), T1/2, level energies, J, π. Comparison with nuclear shell model and astrophysical overproduction factors calculations.
doi: 10.1016/j.physletb.2011.03.043
2011PE12 Phys.Rev. C 83, 054614 (2011) G.Perdikakis, R.G.T.Zegers, S.M.Austin, D.Bazin, C.Caesar, J.M.Deaven, A.Gade, D.Galaviz, G.F.Grinyer, C.J.Guess, C.Herlitzius, G.W.Hitt, M.E.Howard, R.Meharchand, S.Noji, H.Sakai, Y.Shimbara, E.E.Smith, C.Tur Gamow-Teller unit cross sections for (t, 3He) and (3He, t) reactions NUCLEAR REACTIONS 1,2H, 12C(t, 3He), E=115 MeV/nucleon; measured σ(θ), B(GT), excitation-energy spectrum. 6Li, 13C, 26Mg(t, 3He), E=115 MeV/nucleon; 12,13C, 18O, 26Mg, 58,62,64Ni, 68Zn, 118,120Sn(3He, t), E=140 MeV/nucleon; A=1-120 targets; analyzed cross section, B(GT), unit cross sections, distortion factors, volume integrals, kinematic factors. Plane and distorted-wave Born calculations.
doi: 10.1103/PhysRevC.83.054614
2011SA52 Phys.Rev.Lett. 107, 202501 (2011) M.Sasano, G.Perdikakis, R.G.T.Zegers, Sam M.Austin, D.Bazin, B.A.Brown, C.Caesar, A.L.Cole, J.M.Deaven, N.Ferrante, C.J.Guess, G.W.Hitt, R.Meharchand, F.Montes, J.Palardy, A.Prinke, L.A.Riley, H.Sakai, M.Scott, A.Stolz, L.Valdez, K.Yako Gamow-Teller Transition Strengths from 56Ni NUCLEAR REACTIONS 1H(56Ni, n), E=110 MeV/nucleon; measured reaction products, En, In; deduced σ(θ, E), σ, Gamow-Teller strength distribution. Comparison with shell model calculations using KB3G and GXPF1A interactions. RADIOACTIVITY 56Cu(p); measured decay products.
doi: 10.1103/PhysRevLett.107.202501
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
2009GU23 Phys.Rev. C 80, 024305 (2009) C.J.Guess, R.G.T.Zegers, B.A.Brown, S.M.Austin, D.Bazin, C.Caesar, J.M.Deaven, G.F.Grinyer, C.Herlitzius, G.W.Hitt, S.Noji, R.Meharchand, G.Perdikakis, H.Sakai, Y.Shimbara, C.Tur Spectroscopy of 13B via the 13C(t, 3He) reaction at 115A MeV NUCLEAR REACTIONS 13C(t, 3He), E=115 MeV/nucleon; measured 3He spectra, σ(θ); deduced Gamow-Teller strengths for dipole transitions. 13B; deduced levels, J, π. Comparison with shell-model calculations using WBT and WBP interactions.
doi: 10.1103/PhysRevC.80.024305
2009HI08 Phys.Rev. C 80, 014313 (2009) G.W.Hitt, R.G.T.Zegers, Sam M.Austin, D.Bazin, A.Gade, D.Galaviz, C.J.Guess, M.Horoi, M.E.Howard, W.D.M.Rae, Y.Shimbara, E.E.Smith, C.Tur Gamow-Teller transitions to 64Cu measured with the 64Zn(t, 3He) reaction NUCLEAR REACTIONS 64Zn(t, 3He), E=115 MeV/nucleon; measured particle spectra, σ(θ) and Gamow-Teller strength distributions; deduced electron capture rate on 64Zn as a function of stellar temperature. Comparison with shell model calculations and experimental data from 64Zn(d, 2He) reaction.
doi: 10.1103/PhysRevC.80.014313
2009ST04 Phys.Rev. C 79, 015803 (2009) J.B.Stoker, P.F.Mantica, D.Bazin, A.Becerril, J.S.Berryman, H.L.Crawford, A.Estrade, C.J.Guess, G.W.Hitt, G.Lorusso, M.Matos, K.Minamisono, F.Montes, J.Pereira, G.Perdikakis, H.Schatz, K.Smith, R.G.T.Zegers β-decay half-life of the rp-process waiting-point nuclide 84Mo RADIOACTIVITY 80Y, 81Zr, 83,84Nb, 84Mo(EC), (β+) [from 9Be(124Xe, X), E=140 MeV/nucleon]; measured Eγ, (particle)-γ coin, (particle)-β coin, half-life. 64Ge, 68Se, 72Kr, 76Sr, 80Zr, 84Mo, 88Ru;systematics of half-lives and yrast states. Comparisons with QRPA predictions. NUCLEAR REACTIONS 9Be(124Xe, X)73As/74Se/76Br/77Kr/78Rb/79Sr/80Y/81,82Zr/83Nb/84Nb/84Mo, E=140 MeV/nucleon; measured yields.
doi: 10.1103/PhysRevC.79.015803
2008BA53 Phys.Rev.Lett. 101, 252501 (2008) D.Bazin, F.Montes, A.Becerril, G.Lorusso, A.Amthor, T.Baumann, H.Crawford, A.Estrade, A.Gade, T.Ginter, C.J.Guess, M.Hausmann, G.W.Hitt, P.Mantica, M.Matos, R.Meharchand, K.Minamisono, G.Perdikakis, J.Pereira, J.Pinter, M.Portillo, H.Schatz, K.Smith, J.Stoker, A.Stolz, R.G.T.Zegers Production and β Decay of rp-Process Nuclei 96Cd, 98In, and 100Sn NUCLEAR REACTIONS 9Be(112Sn, X)96Cd/98In/100Sn, E=120 MeV/nucleon; measured cross sections. RADIOACTIVITY 96Cd, 98In, 100Sn; measured decay spectra, half-lives.
doi: 10.1103/PhysRevLett.101.252501
2008ZE05 Phys.Rev. C 78, 014314 (2008) R.G.T.Zegers, R.Meharchand, T.Adachi, Sam M.Austin, B.A.Brown, Y.Fujita, M.Fujiwara, C.J.Guess, H.Hashimoto, K.Hatanaka, M.E.Howard, H.Matsubara, K.Nakanishi, T.Ohta, H.Okamura, Y.Sakemi, Y.Shimbara, Y.Shimizu, C.Scholl, A.Signoracci, Y.Tameshige, A.Tamii, M.Yosoi Spectroscopy of 24Al and extraction of Gamow-Teller strengths with the 24Mg(3He, t) reaction at 420 MeV NUCLEAR REACTIONS 24Mg(3He, t), E=420 MeV; measured triton spectra, σ(θ). 24Al; deduced levels, J, π, angular momenta, GT strengths. Comparison with model calculations and 24Mg(p, n) data.
doi: 10.1103/PhysRevC.78.014314
2007ZE06 Phys.Rev.Lett. 99, 202501 (2007) R.G.Zegers, T.Adachi, H.Akimune, S.M.Austin, A.M.van den Berg, B.A.Brown, Y.Fujita, M.Fujiwara, S.Gales, C.J.Guess, M.N.Harakeh, H.Hashimoto, K.Hatanaka, R.Hayami, G.W.Hitt, M.E.Howard, M.Itoh, T.Kawabata, K.Kawase, M.Kinoshita, M.Matsubara, K.Nakanishi, S.Nakayama, S.Okumura, T.Ohta, Y.Sakemi, Y.Shimbara, Y.Shimizu, C.Scholl, C.Simenel, Y.Tameshige, A.Tamii, M.Uchida, T.Yamagata, M.Yosoi Extraction of Weak Transition Strengths via the (3He, t) Reaction at 420 MeV NUCLEAR REACTIONS 12,13C, 18O, 26Mg, 58Ni, 60Ni, 90Zr, 118Sn, 208Pb(3He, t), E=420 MeV; measured triton spectra and cross sections. Deduced B(GT).
doi: 10.1103/PhysRevLett.99.202501
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