NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = R.Meharchand Found 34 matches. 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
2016ME12 Phys.Rev. C 94, 034611 (2016) K.Meierbachtol, F.Tovesson, D.L.Duke, V.Geppert-Kleinrath, B.Manning, R.Meharchand, S.Mosby, D.Shields Total kinetic energy release in 239Pu (n, f) post-neutron emission from 0.5 to 50 MeV incident neutron energy NUCLEAR REACTIONS 239Pu(n, F), E=0.5-50 MeV; measured average total kinetic energy (TKE) using the neutron time-of-flight technique, and the kinetic energy of fission fragments post-neutron emission in a double Frisch-gridded ionization chamber at Los Alamos Neutron Science Center (LANSCE); deduced average total kinetic energy for fission products. Comparison with results from model calculations, and with ENDF/B-VII evaluated cross sections.
doi: 10.1103/PhysRevC.94.034611
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
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
2014LO09 Nucl.Data Sheets 119, 383 (2014) W.Loveland, L.Yao, D.M.Asner, R.G.Baker, J.Bundgaard, E.Burgett, M.Cunningham, J.Deaven, D.L.Duke, U.Greife, S.Grimes, M.Heffner, T.Hill, D.Isenhower, J.L.Klay, V.Kleinrath, N.Kornilov, A.B.Laptev, T.N.Massey, R.Meharchand, H.Qu, J.Ruz, S.Sangiorgio, B.Selhan, L.Snyder, S.Stave, G.Tatishvili, R.T.Thornton, F.Tovesson, D.Towell, R.S.Towell, S.Watson, B.Wendt, L.Wood Targets for Precision Measurements
doi: 10.1016/j.nds.2014.08.106
2014ME09 Nucl.Data Sheets 119, 373 (2014) R.Meharchand, D.M.Asner, R.G.Baker, J.Bundgaard, E.Burgett, M.Cunningham, J.Deaven, D.L.Duke, U.Greife, S.Grimes, M.Heffner, T.Hill, D.Isenhower, J.L.Klay, V.Kleinrath, N.Kornilov, A.B.Laptev, W.Loveland, T.N.Massey, H.Qu, J.Ruz, S.Sangiorgio, B.Seilhan, L.Snyder, S.Stave, G.Tatishvili, R.T.Thornton, F.Tovesson, D.Towell, R.S.Towell, S.Watson, B.Wendt, L.Wood Commissioning the NIFFTE Time Projection Chamber: Towards the 238U/235U(n, f) Cross-section Ratio
doi: 10.1016/j.nds.2014.08.103
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
2014SN02 Nucl.Data Sheets 119, 386 (2014) L.Snyder, D.M.Asner, R.G.Baker, J.Bundgaard, E.Burgett, M.Cunningham, J.Deaven, D.L.Duke, U.Greife, S.Grimes, M.Heffner, T.Hill, D.Isenhower, J.L.Klay, V.Kleinrath, N.Kornilov, A.B.Laptev, W.Loveland, T.N.Massey, R.Meharchand, H.Qu, J.Ruz, S.Sangiorgio, B.Seilhan, S.Stave, G.Tatishvili, R.T.Thornton, F.Tovesson, D.Towell, R.S.Towell, S.Watson, B.Wendt, L.Wood, for the NIFFTE Collaboration Measuring the α/SF Branching Ratio of 252Cf with the NIFFTE TPC
doi: 10.1016/j.nds.2014.08.107
2014ST15 Nucl.Data Sheets 119, 380 (2014) S.Stave, D.M.Asner, R.G.Baker, J.Bundgaard, E.Burgett, M.Cunningham, J.Deaven, D.L.Duke, U.Greife, S.Grimes, M.Heffner, T.Hill, D.Isenhower, J.L.Klay, V.Kleinrath, N.Kornilov, A.B.Laptev, W.Loveland, T.N.Massey, R.Meharchand, H.Qu, J.Ruz, S.Sangiorgio, B.Seilhan, L.Snyder, G.Tatishvili, R.T.Thornton, F.Tovesson, D.Towell, R.S.Towell, S.Watson, B.Wendt, L.Wood, for the NIFFTE Collaboration The Data Analysis Framework for the NIFFTE Fission Time Projection Chamber
doi: 10.1016/j.nds.2014.08.105
2014WO02 Nucl.Data Sheets 119, 377 (2014) L.Wood, D.M.Asner, R.G.Baker, J.Bundgaard, E.Burgett, M.Cunningham, J.Deaven, D.L.Duke, U.Greife, S.Grimes, M.Heffner, T.Hill, D.Isenhower, J.L.Klay, V.Kleinrath, N.Kornilov, A.B.Laptev, W.Loveland, T.N.Massey, R.Meharchand, H.Qu, J.Ruz, S.Sangiorgio, B.Seilhan, L.Snyder, S.Stave, G.Tatishvili, R.T.Thornton, F.Tovesson, D.Towell, R.S.Towell, S.Watson, B.Wendt, for the NIFFTE Collaboration An Ethernet-based Data Acquisition System for the NIFFTE Time Projection Chamber
doi: 10.1016/j.nds.2014.08.104
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
2012ST22 J.Phys.:Conf.Ser. 381, 012096 (2012) L.Stuhl, A.Krasznahorkay, M.Csatlos, T.Marketin, E.Litvinova, T.Adachi, A.Algora, J.Daeven, E.Estevez, H.Fujita, Y.Fujita, C.Guess, J.Gulyas, K.Hatanaka, K.Hirota, H.J.Ong, D.Ishikawa, H.Matsubara, R.Meharchand, F.Molina, H.Okamura, G.Perdikakis, B.Rubio, C.Scholl, T.Suzuki, G.Susoy, A.Tamii, J.Thies, R.Zegers, J.Zenihiro Soft spin-dipole resonances in 40Ca NUCLEAR REACTIONS 40,42,44,48Ca(3He, t), E=420 MeV; measured E(triton), I(triton, θ) using magnetic spectrometer Grand Riden at forward angles; deduced unnormalized σ(θ) to IAS and some excited states using GASPAN program package. 40,42,44,48Sc deduced dipole transition strength distribution, periodic spin-dipole strength distribution (most in 40Sc) resembling multi-phonon vibrational band; calculated isospin-flip, spin-isospin-flip dipole transition strength functions using RRPA (relativistic RPA).
doi: 10.1088/1742-6596/381/1/012096
2012WI05 Phys.Rev.Lett. 108, 182501 (2012) R.Winkler, A.Gade, T.Baugher, D.Bazin, B.A.Brown, T.Glasmacher, G.F.Grinyer, R.Meharchand, S.McDaniel, A.Ratkiewicz, D.Weisshaar Quadrupole Collectivity beyond N=28: Intermediate-Energy Coulomb Excitation of 47, 48Ar NUCLEAR REACTIONS 9Be(47Ar, 47Ar'), (48Ar, 48Ar'), E not given; measured reaction products, Eγ, Iγ. 47,48Ar; deduced energy levels, J, π, B(E2). Large scale shell model calculations, intermediate-energy Coulomb excitation.
doi: 10.1103/PhysRevLett.108.182501
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
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
2011SA25 Phys.Rev. C 83, 061305 (2011) D.Santiago-Gonzalez, I.Wiedenhover, V.Abramkina, M.L.Avila, T.Baugher, D.Bazin, B.A.Brown, P.D.Cottle, A.Gade, T.Glasmacher, K.W.Kemper, S.McDaniel, A.Rojas, A.Ratkiewicz, R.Meharchand, E.C.Simpson, J.A.Tostevin, A.Volya, D.Weisshaar Triple configuration coexistence in 44S NUCLEAR REACTIONS 9Be(46Ar, 2p), [46Ar secondary beam produced in Be(48Ca, X), E=140 MeV/nucleon primary reaction], E=99.9 MeV/nucleon; measured Eγ, Iγ, γγ-, (fragment)γ-coin using SeGA array, cross sections. 44S; deduced levels, J, π, longitudinal momentum distributions, and configurations. Two-proton knockout reaction. Comparison with shell-model calculations using the SDPF-U interaction.
doi: 10.1103/PhysRevC.83.061305
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
2011ST03 Acta Phys.Pol. B42, 667 (2011) L.Stuhl, A.Krasznahorkay, M.Csatlos, T.Adachi, A.Algora, J.Deaven, E.Estevez, H.Fujita, Y.Fujita, C.Guess, J.Gulyas, K.Hatanaka, K.Hirota, H.J.Ong, D.Ishikawa, H.Matsubara, R.Meharchand, F.Molina, H.Okamura, G.Perdikakis, B.Rubio, C.Scholl, T.Suzuki, G.Susoy, A.Tamii, J.Thies, R.Zegers, J.Zenihiro High Resolution Study of the Relative Dipole Strength Distribution in Sc Isotopes NUCLEAR REACTIONS Ca(3He, t)40Sc/42Sc/44Sc/48Sc, E=420 MeV; measured triton spectra; deduced σ(θ), dipole strength, possible existence of soft dipole vibrations.
doi: 10.5506/APhysPolB.42.667
2010GA14 Phys.Rev. C 81, 064326 (2010) A.Gade, T.Baugher, D.Bazin, B.A.Brown, C.M.Campbell, T.Glasmacher, G.F.Grinyer, M.Honma, S.McDaniel, R.Meharchand, T.Otsuka, A.Ratkiewicz, J.A.Tostevin, K.A.Walsh, D.Weisshaar Collectivity at N=50: 82Ge and 84Se NUCLEAR REACTIONS 197Au(82Ge, 82Ge'), E=89.4 MeV/nucleon; 197Au(84Se, 84Se'), E=95.4 MeV/nucleon; 9Be(82Ge, 82Ge'), E=87.6 MeV/nucleon; 9Be(84Se, 84Se'), E=92 MeV/nucleon, [82Ge and 84Se secondary beams from 9Be(86Kr, X), E=140 MeV/nucleon]; measured Eγ, Iγ, σ, (particle)γ-coin; 82Ge, 84Se; deduced levels, J, B(E2), T1/2. Intermediate energy Coulomb excitation and inelastic scattering. Comparison with systematics of B(E2) values for first 2+ state in N=50 isotones for Z(even)=30-42 and even-even Ge (A=64-82) and Se (A=68-84) isotopes, and with shell-model calculations. Systematics of first 3- states in even-even Se (A=74-82) and N=50 isotones.
doi: 10.1103/PhysRevC.81.064326
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
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
2007ME25 Nucl.Instrum.Methods Phys.Res. B264, 221 (2007) R.Meharchand, H.Akimune, A.M.van den Berg, Y.Fujita, M.Fujiwara, S.Gales, M.N.Harakeh, H.Hashimoto, R.Hayami, G.W.Hitt, M.Itoh, T.Kawabata, K.Kawase, M.Kinoshita, K.Nakanishi, S.Nakayama, S.Okumura, Y.Shimbara, M.Uchida, T.Yamagata, M.Yosoi, R.G.T.Zegers Atomic charge-exchange between semi-relativistic (ν/c = 0.49) helium ions and targets from carbon to lead NUCLEAR REACTIONS C, Mg, Ni, Zr, Sn, Pb(3He, 3He), E=420 MeV; measured singly to doubly charged yield ratios. Compared results to model calculations.
doi: 10.1016/j.nimb.2007.08.078
2007RO12 Nucl.Instrum.Methods Phys.Res. B259, 669 (2007) D.Robertson, C.Schmitt, Ph.Collon, D.Henderson, B.Shumard, L.Lamm, E.Stech, T.Butterfield, P.Engel, G.Hsu, G.Konecki, S.Kurtz, R.Meharchand, A.Signoracci, J.Wittenbach A new AMS setup for nuclear astrophysics experiments
doi: 10.1016/j.nimb.2007.01.261
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