NSR Query Results
Output year order : Descending NSR database version of April 24, 2024. Search: Author = A.Richard Found 48 matches. 2024CO05 Phys.Rev.Lett. 132, 152503 (2024) I.Cox, Z.Y.Xu, R.Grzywacz, W.-J.Ong, B.C.Rasco, N.Kitamura, D.Hoskins, S.Neupane, T.J.Ruland, J.M.Allmond, T.T.King, R.S.Lubna, K.P.Rykaczewski, H.Schatz, B.M.Sherrill, O.B.Tarasov, A.D.Ayangeakaa, H.C.Berg, D.L.Bleuel, G.Cerizza, J.Christie, A.Chester, J.Davis, C.Dembski, A.A.Doetsch, J.G.Duarte, A.Estrade, A.Fijalkowska, T.J.Gray, E.C.Good, K.Haak, S.Hanai, J.T.Harke, C.Harris, K.Hermansen, D.E.M.Hoff, R.Jain, M.Karny, K.Kolos, A.Laminack, S.N.Liddick, B.Longfellow, S.Lyons, M.Madurga, M.J.Mogannam, A.Nowicki, T.H.Ogunbeku, G.Owens-Fryar, M.M.Rajabali, A.L.Richard, E.K.Ronning, G.E.Rose, K.Siegl, M.Singh, A.Spyrou, A.Sweet, A.Tsantiri, W.B.Walters, R.Yokoyama Proton Shell Gaps in N=28 Nuclei from the First Complete Spectroscopy Study with FRIB Decay Station Initiator RADIOACTIVITY 45Cl(β-) [from 9Be(82Se, X), E=165 MeV/nucleon]; measured decay products, Eγ, Iγ, Eβ, Iβ; deduced β-decay strength distribution, the transitioning of neutrons into protons excited across the Z=20 shell gap. Comparison with shell model calculations using SDPF-MU interaction. The Facility for Rare Isotope Beams (FRIB) with the FRIB Decay Station Initiator.
doi: 10.1103/PhysRevLett.132.152503
2023BH05 Phys.Rev. C 108, 024312 (2023) Soumi.Bhattacharya, V.Tripathi, S.L.Tabor, A.Volya, P.C.Bender, C.Benetti, M.P.Carpenter, J.J.Carroll, A.Chester, C.J.Chiara, K.Childers, B.R.Clark, B.P.Crider, J.T.Harke, R.Jain, S.N.Liddick, R.S.Lubna, S.Luitel, B.Longfellow, M.J.Mogannam, T.H.Ogunbeku, J.Perello, A.L.Richard, E.Rubino, S.Saha, O.A.Shehu, R.Unz, Y.Xiao, Y.Zhu β- decay of neutron-rich 45Cl located at the magic number N=28 RADIOACTIVITY 45Cl(β-), (β-n)[from Be(48Ca, X), E=140 MeV/nucleon]; measured Eγ, Iγ, Eβ, Iβ, βγ-coin; deduced T1/2, Q values, β-feedings, branchings; calculated logft. 44,45Ar; deduced levels, J, π. Comparison to shell-model calculations with FSU interaction. Systematics of the first excited 2+ state energy for the even-A Ar isotopes (from N= 20 to 30). Beta Counting System (BCS) equipped with a 986 υm thick pixelated (40 strips x 40 strips) DSSD detector, followed by SSCD and surrounded by 16 Clover detectors at NSCL. NUCLEAR STRUCTURE 43,44,45Ar; calculated levels, J, π, B(M1), B(E2), proton and neutron occupation numbers. Shell-model calculations with FSU interaction. Comparison to experimental data.
doi: 10.1103/PhysRevC.108.024312
2023HA31 Phys.Rev. C 108, 034608 (2023) K.Haak, O.B.Tarasov, P.Chowdhury, A.M.Rogers, K.Sharma, T.Baumann, D.Bazin, P.C.Bender, J.Chen, A.Estrade, M.A.Famiano, D.C.Foulds-Holt, N.Fukuda, A.Gade, T.N.Ginter, R.W.Gohier, M.Hausmann, A.M.Hill, D.E.M.Hoff, L.Klankowski, E.Kwan, J.Li, S.N.Liddick, B.Longfellow, S.Lyons, C.Morse, M.Portillo, D.Rhodes, A.L.Richard, S.Samaranayake, B.M.Sherrill, M.K.Smith, M.Spieker, C.S.Sumithrarachchi, H.Suzuki, K.Wang, S.Waniganeththi, D.Weisshaar, S.Zhu Production and discovery of neutron-rich isotopes by fragmentation of 198Pt NUCLEAR REACTIONS 9Be, Ni(198Pt, X)182Yb/183Lu/184Lu/185Lu/186Lu/187Lu/188Lu/189Lu/184Hf/185Hf/186Hf/187Hf/188Hf/189Hf/190Hf/191Hf/192Hf/185Ta/186Ta/187Ta/188Ta/189Ta/190Ta/191Ta/192Ta/193Ta/186W/187W/188W/189W/190W/191W/192W/193W/194W/187Re/188Re/189Re/190Re/191Re/192Re/193Re/194Re/195Re/196Re/190Os/191Os/192Os/193Os/194Os/195Os/196Os/197Os/192Ir/193Ir/194Ir/195Ir/196Ir/197Ir/198Ir, E=85 MeV/nucleon from the NSCL-MSU Coupled Cyclotron Facility (CCF); measured reaction products, particle identification spectra using A1900 fragment separator, S800 spectrograph for fragment analysis, PIN diode telescope of five silicon detectors for particle detection, γ rays using GRETINA array, and LISE+ Monte Carlo calculations of charge state fractions; deduced production cross sections of about 70 nuclei in Z=70-77 region. 189Lu, 191,192Hf; deduced new nuclides. 190W; measured γ-ray spectrum from the emission of a 166-μs isomer. Comparison of measured production cross sections with theoretical calculations using EFAX3 and COFRA codes. Numerical values of production cross sections are listed in the Supplemental Material.
doi: 10.1103/PhysRevC.108.034608
2023LU07 Phys.Rev. C 108, 014329 (2023) R.S.Lubna, S.N.Liddick, T.H.Ogunbeku, A.Chester, J.M.Allmond, S.Bhattacharya, C.M.Campbell, M.P.Carpenter, K.L.Childers, P.Chowdhury, J.Christie, B.R.Clark, R.M.Clark, I.Cox, H.L.Crawford, B.P.Crider, A.A.Doetsch, P.Fallon, A.Frotscher, T.Gaballah, T.J.Gray, R.Grzywacz, J.T.Harke, A.C.Hartley, R.Jain, T.T.King, N.Kitamura, K.Kolos, F.G.Kondev, E.Lamere, R.Lewis, B.Longfellow, S.Lyons, S.Luitel, M.Madurga, R.Mahajan, M.J.Mogannam, C.Morse, S.K.Neupane, W.-J.Ong, D.Perez-Loureiro, C.Porzio, C.J.Prokop, A.L.Richard, E.K.Ronning, E.Rubino, K.Rykaczewski, D.Seweryniak, K.Siegl, U.Silwal, M.Singh, D.P.Siwakoti, D.C.Smith, M.K.Smith, S.L.Tabor, T.L.Tang, V.Tripathi, A.Volya, T.Wheeler, Y.Xiao, Z.Xu β decay of 36Mg and 36Al: Identification of a β-decaying isomer in 36Al RADIOACTIVITY 36Mg, 36Al(β-)[from 9Be(48Ca, X), E=140 MeV/nucleon for experiment at NSCL and 9Be(48Ca, X), E=172.3 MeV/nucleon for experiment at FRIB]; 36Al, 36mAl(β-)[from 36Mg(β-); measured Eγ, Iγ; deduced T1/2. 36Al; deduced levels, J, π, newly-observed β-decaying isomer, T1/2 of the isomer. 36Si; deduced levels, J, π. Comparison to shell model calculations performed with the FSU interaction using code CoSMo. For experiment at NSCL - CeBr3 based implantation detector with position-sensitive photomultiplier tube was surrounded by 16 segmented germanium detectors (SeGa) and 15 LaBr3 detectors. For experiment at FRIB - YSO scintillator based implantation detector segmented into 48x48 pixels was surrounded by 11 HPGe clover detectors and LaBr3 detectors from one side and the neutron detector array VANDLE from the other side.
doi: 10.1103/PhysRevC.108.014329
2023MU01 Phys.Rev. C 107, L011602 (2023) D.Mucher, A.Spyrou, M.Wiedeking, M.Guttormsen, A.C.Larsen, F.Zeiser, C.Harris, A.L.Richard, M.K.Smith, A.Gorgen, S.N.Liddick, S.Siem, H.C.Berg, J.A.Clark, P.A.DeYoung, A.C.Dombos, B.Greaves, L.Hicks, R.Kelmar, S.Lyons, J.Owens-Fryar, A.Palmisano, D.Santiago-Gonzalez, G.Savard, W.W.von Seeger Extracting model-independent nuclear level densities away from stability RADIOACTIVITY 76Ga(β-); analyzed experimental total absorption spectrum (TAS) data in 2016Do05: Phys. Rev. C 93, 064317. 76Ge; deduced γ-strength function (γSF), nuclear level density (NLD). Comparison to other experimental data and to γ-strength function in 74Ge. 88Br(β-); measured Eγ, Iγ, TAS spectrum using Summing NaI (SuN) detector at Argonne CARIBU facility. 88Kr; deduced γ-strength function (γSF), nuclear level density (NLD). Compared with other experimental data γ-strength functions for 86Kr and 87Kr. NLD results are compared to calculations done with 3 semi-microscopic models - HFB+Skyrme, HFB+Skyrme combinatorial, temperature-dependent HFB+Gogny. Combination of "shape" method with β-Oslo technique which allows extraction of NLD in model independent way. NUCLEAR REACTIONS 87Kr(n, γ), E<1 MeV; calculated σ(E) using newly obtained NLD. Values are given relative to calculated ones using current RIPL-3 recommended level densities.
doi: 10.1103/PhysRevC.107.L011602
2023OG04 Phys.Rev. C 108, 034304 (2023) T.H.Ogunbeku, B.P.Crider, S.N.Liddick, B.A.Brown, A.Chester, K.L.Childers, P.Chowdhury, E.Lamere, R.Lewis, B.Longfellow, R.S.Lubna, S.Lyons, S.K.Neupane, D.Perez-Loureiro, C.J.Prokop, A.L.Richard, U.Silwal, D.P.Siwakoti, D.C.Smith, M.K.Smith, Y.Xiao First half-life measurement of a low-lying isomer in 37Si
doi: 10.1103/PhysRevC.108.034304
2023TS04 Phys.Rev. C 107, 035808 (2023) A.Tsantiri, A.Palmisano-Kyle, A.Spyrou, P.Mohr, H.C.Berg, P.A.DeYoung, A.C.Dombos, P.Gastis, E.C.Good, C.M.Harris, S.N.Liddick, S.M.Lyons, O.Olivas-Gomez, G.Owens-Fryar, J.Pereira, A.L.Richard, A.Simon, M.K.Smith, R.G.T.Zegers Cross-section measurement of the 82Kr(p, γ)83Rb reaction in inverse kinematics NUCLEAR REACTIONS 1H(82Kr, γ)83Rb, E=3.1, 3.4, 3.7 MeV/nucleon; measured Eγ, Iγ, γ-sum, total absorption spectra; deduced σ(E), astrophysical S-factor. Comparison to NON-SMOKER and TALYS statistical model calculations. Hydrogen gas cell surrounded by the Summing NaI(Tl) (SuN) detector at ReA reaccelerator facility (NSCL).
doi: 10.1103/PhysRevC.107.035808
2023VO08 Phys.Rev. C 108, 034302 (2023) A.V.Voinov, N.Alanazi, S.Akhtar, S.Dhakal, C.R.Brune, S.M.Grimes, T.N.Massey, Z.Meisel, C.E.Parker, A.L.Richard Spin cutoff factor and level density for 59Ni from an analysis of compound nuclear reactions
doi: 10.1103/PhysRevC.108.034302
2022CH09 Phys.Rev. C 105, 024319 (2022) A.Chester, B.A.Brown, S.P.Burcher, M.P.Carpenter, J.J.Carroll, C.J.Chiara, P.A.Copp, B.P.Crider, J.T.Harke, D.E.M.Hoff, K.Kolos, S.N.Liddick, B.Longfellow, M.J.Mogannam, T.H.Ogunbeku, C.J.Prokop, D.Rhodes, A.L.Richard, O.A.Shehu, A.S.Tamashiro, R.Unz, Y.Xiao Half-life measurement of the 199-keV isomeric state in 76Ga RADIOACTIVITY 76Zn(β-)[from 76Cu β- formed in 9Be(86Kr, X), E=140 MeV/nucleon]; 76Ga(IT)[from 76Zn(β-)]; measured Eβ, Iβ, Eγ, Iγ, βγ-coin. 76Ga; deduced levels J, π, transition strength, T1/2 of the 199-keV isomeric transition from time difference between pulses produced by β-decay populating the isomeric state and γ from the decay of the isomer. Systematics of low-lying levels in 72,74,76,78,80Ga. Beam implantation in CeBr detector (NSCL-MSU ). NUCLEAR STRUCTURE 76Ga; calculated levels, J, π, transition strength. Shell model calculations in the jj44 model space with the jun45, jj44b, and jj44c Hamiltonians.
doi: 10.1103/PhysRevC.105.024319
2022CR04 Phys.Rev. C 106, L061303 (2022) H.L.Crawford, M.D.Jones, A.O.Macchiavelli, P.Fallon, D.Bazin, P.C.Bender, B.A.Brown, C.M.Campbell, R.M.Clark, M.Cromaz, B.Elman, A.Gade, J.D.Holt, R.V.F.Janssens, I.Y.Lee, B.Longfellow, S.Paschalis, M.Petri, A.L.Richard, M.Salathe, J.A.Tostevin, D.Weisshaar Core of 25F studied by the 25F(-p) proton-removal reaction NUCLEAR REACTIONS 9Be(25F, 24O), E=77 MeV/nucleon; measured reaction products; deduced longitudinal momentum distribution, proton removal σ, spectroscopic factor. Results are interpreted within the framework of the Particle-Vibration Coupling (PVC) model, of a d5/2 proton coupled to a quadrupole phonon of an effective 24O core. Comparison to shell model predictions. Reaction products analyzed by spectrometer S800 (NSCL). Secondary 25F beam from 48Ca fragmentation on Be target at accelerated through the Coupled Cyclotron Facility.
doi: 10.1103/PhysRevC.106.L061303
2022NE12 Phys.Rev. C 106, 044320 (2022) S.Neupane, J.Heideman, R.Grzywacz, M.Cooper, J.Hooker, K.L.Jones, T.T.King, N.Kitamura, M.Madurga, K.Siegl, C.R.Thornsberry, P.Wagenknecht, Z.Y.Xu, L.H.Heilbronn, M.M.Rajabali, A.Chester, A.Richard, Y.Alberty-Jones, J.Derkin, T.N.Massey, D.Soltesz, N.T.Brewer, B.C.Rasco, K.P.Rykaczewski, M.Wolinska-Cichocka, J.Clark, D.Santiago-Gonzalez, G.Savard Demonstration of the neutron tracking capability of NEXT array in time-of-flight measurements to improve energy resolution RADIOACTIVITY 17N, 104Nb(β-n); measured neutron time-of-flight (ToF), En, In. Data on the commissioning of the Neutron dEtector with Xn Tracking (NEXT) array consisting of 8x4 optically separated segments. Measurement of 17N decay at National Superconducting Cyclotron Laboratory (NSCL), 106Nb decay Argonne National Laboratory (ANL, CARIBU Facility). NUCLEAR REACTIONS 27Al(d, n), E=7.44 MeV; measured neutron time-of-flight (ToF), En, In. Data on the commissioning of the Neutron dEtector with Xn Tracking (NEXT) array consisting of 8x4 optically separated segments. Deuteron beam from Ohio University Edwards Accelerator Laboratory (EAL).
doi: 10.1103/PhysRevC.106.044320
2022PA20 Phys.Rev. C 105, 065804 (2022) A.Palmisano-Kyle, A.Spyrou, P.A.DeYoung, A.Dombos, P.Gastis, O.Olivas-Gomez, C.Harris, S.Liddick, S.M.Lyons, J.Pereira, A.L.Richard, A.Simon, M.K.Smith, A.Tsantiri, R.Zegers Constraining the astrophysical p process: Cross section measurement of the 84Kr(p, γ)85Rb reaction in inverse kinematics NUCLEAR REACTIONS 1H(84Kr, γ), E=2.8, 3.1, 3.4, 3.7 MeV/nucleon; measured Eγ, Ιγ, total absorption; deduced σ(E). Discussed the astrophysical impact, in particular on the 78Kr p-nuclei path. Comparison to NON-SMOKER and TALYS calculations and previous experimental data. Summing NaI(Tl) (SuN) detector and hydrogen-filled gas-cell target at Michigan State University ReAccelerator (ReA) facility (NSCL).
doi: 10.1103/PhysRevC.105.065804
2022SA20 Phys.Lett. B 829, 137059 (2022) M.Saxena, W.-J.Ong, Z.Meisel, D.E.M.Hoff, N.Smirnova, P.C.Bender, S.P.Burcher, M.P.Carpenter, J.J.Carroll, A.Chester, C.J.Chiara, R.Conaway, P.A.Copp, B.P.Crider, J.Derkin, A.Estrae, G.Hamad, J.T.Harke, R.Jain, H.Jayatissa, S.N.Liddick, B.Longfellow, M.Mogannam, F.Montes, N.Nepal, T.H.Ogunbeku, A.L.Richard, H.Schatz, D.Soltesz, S.K.Subedi, I.Sultana, A.S.Tamashiro, V.Tripathi, Y.Xiao, R.Zink 57Zn β-delayed proton emission establishes the 56Ni rp-process waiting point bypass RADIOACTIVITY 57Zn(β+p), (β+) [from 9Be(78Kr, X)57Zn, E=150 MeV/nucleon]; measured decay products, Eγ, Iγ, Eβ, Iβ, Ep, Ip; deduced T1/2, βp branching ratio, β-γ-p decay mode transitions. The Coupled Cyclotron Facility of NSCL.
doi: 10.1016/j.physletb.2022.137059
2022SC17 J.Phys.(London) G49, 110502 (2022) H.Schatz, A.D.Becerril Reyes, A.Best, E.F.Brown, K.Chatziioannou, K.A.Chipps, C.M.Deibel, R.Ezzeddine, D.K.Galloway, C.J.Hansen, F.Herwig, A.P.Ji, M.Lugaro, Z.Meisel, D.Norman, J.S.Read, L.F.Roberts, A.Spyrou, I.Tews, F.X.Timmes, C.Travaglio, N.Vassh, C.Abia, P.Adsley, S.Agarwal, M.Aliotta, W.Aoki, A.Arcones, A.Aryan, A.Bandyopadhyay, A.Banu, D.W.Bardayan, J.Barnes, A.Bauswein, T.C.Beers, J.Bishop, T.Boztepe, B.Cote, M.E.Caplan, A.E.Champagne, J.A.Clark, M.Couder, A.Couture, S.E.de Mink, S.Debnath, R.J.deBoer, J.den Hartogh, P.Denissenkov, V.Dexheimer, I.Dillmann, J.E.Escher, M.A.Famiano, R.Farmer, R.Fisher, C.Frohlich, A.Frebel, C.Fryer, G.Fuller, A.K.Ganguly, S.Ghosh, B.K.Gibson, T.Gorda, K.N.Gourgouliatos, V.Graber, M.Gupta, W.C.Haxton, A.Heger, W.R.Hix, W.C.G.Ho, E.M.Holmbeck, A.A.Hood, S.Huth, G.Imbriani, R.G.Izzard, R.Jain, H.Jayatissa, Z.Johnston, T.Kajino, A.Kankainen, G.G.Kiss, A.Kwiatkowski, M.La Cognata, A.M.Laird, L.Lamia, P.Landry, E.Laplace, K.D.Launey, D.Leahy, G.Leckenby, A.Lennarz, B.Longfellow, A.E.Lovell, W.G.Lynch, S.M.Lyons, K.Maeda, E.Masha, C.Matei, J.Merc, B.Messer, F.Montes, A.Mukherjee, M.R.Mumpower, D.Neto, B.Nevins, W.G.Newton, L.Q.Nguyen, K.Nishikawa, N.Nishimura, F.M.Nunes, E.O'Connor, B.W.O'Shea, W.-J.Ong, S.D.Pain, M.A.Pajkos, M.Pignatari, R.G.Pizzone, V.M.Placco, T.Plewa, B.Pritychenko, A.Psaltis, D.Puentes, Y.-Z.Qian, D.Radice, D.Rapagnani, B.M.Rebeiro, R.Reifarth, A.L.Richard, N.Rijal, I.U.Roederer, J.S.Rojo, J.S K, Y.Saito, A.Schwenk, M.L.Sergi, R.S.Sidhu, A.Simon, T.Sivarani, A.Skuladottir, M.S.Smith, A.Spiridon, T.M.Sprouse, S.Starrfield, A.W.Steiner, F.Strieder, I.Sultana, R.Surman, T.Szucs, A.Tawfik, F.Thielemann, L.Trache, R.Trappitsch, M.B.Tsang, A.Tumino, S.Upadhyayula, J.O.Valle Martinez, M.Van der Swaelmen, C.Viscasillas Vazquez, A.Watts, B.Wehmeyer, M.Wiescher, C.Wrede, J.Yoon, R.G.T.Zegers, M.A.Zermane, M.Zingale, the Horizon 2020 Collaborations Horizons: nuclear astrophysics in the 2020s and beyond
doi: https://dx.doi.org/10.1088/1361-6471/ac8890
2022SH22 Nucl.Instrum.Methods Phys.Res. A1035, 166789 (2022) O.A.Shehu, B.P.Crider, T.Ginter, C.R.Hoffman, T.H.Ogunbeku, Y.Xiao, K.L.Childers, P.Chowdhury, C.Fry, E.Lamere, R.Lewis, S.N.Liddick, B.Longfellow, S.Lyons, S.K.Neupane, D.Perez-Loureiro, C.J.Prokop, A.L.Richard, U.Silwal, D.P.Siwakoti, D.C.Smith, M.K.Smith Experimental study of the 34mCl beam production at intermediate energies RADIOACTIVITY 34Cl(IT), (EC) [from 9Be(36Ar, X), E=150 MeV/nucleon]; measured decay products, Eγ, Iγ; deduced γ-ray energies, the beam production rates and isomeric state composition. The National Superconducting Cyclotron Laboratory (NSCL).
doi: 10.1016/j.nima.2022.166789
2022TR03 Phys.Rev. C 106, 064314 (2022) V.Tripathi, S.Bhattacharya, E.Rubino, C.Benetti, J.F.Perello, S.L.Tabor, S.N.Liddick, P.C.Bender, M.P.Carpenter, J.J.Carroll, A.Chester, C.J.Chiara, K.Childers, B.R.Clark, B.P.Crider, J.T.Harke, B.Longfellow, R.S.Lubna, S.Luitel, T.H.Ogunbeku, A.L.Richard, S.Saha, N.Shimizu, O.A.Shehu, Y.Utsuno, R.Unz, Y.Xiao, S.Yoshida, Y.Zhu β- decay of exotic P and S isotopes with neutron number near 28 RADIOACTIVITY 42,43,44P, 44,46S(β-), (β-n) [from Be(48Ca, X), E=140 MeV/nucleon)]; 41S(β-) [from 42P(β-n]; measured Iβ, Eγ, Iγ, βγ-coin, (implant)γ-coin; deduced T1/2, logft, delayed neutron emission probabilities. 42P; deduced J, π of the ground state. 42,41S, 41Cl; deduced levels, J, π, transition intensities. The half-lives were extracted from the fitting of decay curves. Comparison to calculations performed with shell-model using SDPFSDG-MU interaction. Beta Counting System (BCS) - 40x40 DSSD as the implant and β detector, surrounded by a γ-array of 16 Clover detectors in close geometry (NSCL).
doi: 10.1103/PhysRevC.106.064314
2022VA04 Phys.Rev. C 105, 055802 (2022) B.Vande Kolk, K.T.Macon, R.J.deBoer, T.Anderson, A.Boeltzig, K.Brandenburg, C.R.Brune, Y.Chen, A.M.Clark, T.Danley, B.Frentz, R.Giri, J.Gorres, M.Hall, S.L.Henderson, E.Holmbeck, K.B.Howard, D.Jacobs, J.Lai, Q.Liu, J.Long, K.Manukyan, T.Massey, M.Moran, L.Morales, D.Odell, P.O'Malley, S.N.Paneru, A.Richard, D.Schneider, M.Skulski, N.Sensharma, C.Seymour, G.Seymour, D.Soltesz, S.Strauss, A.Voinov, L.Wustrich, M.Wiescher Investigation of the 10B (p, α)7Be reaction from 0.8 to 2.0 MeV NUCLEAR REACTIONS 10B(p, α), (p, p), E=0.8-2.0 MeV; measured Eα, Iα, Ep, Ip; deduced σ(θ), σ(E) S-factor, resonance parameters of 10B+p system - energy, spin, partial (p0, α0, α1) and total width. 10B(p, γ), E=0 .1-2.0 MeV; deduced σ(θ). 11C; deduced levels, J, π. R-matrix analysis. Measurements were made at the University of Notre Dame (UND) Nuclear Science Laboratory (NSL) using a degrader foil method, while those at the Edwards AcceleratorLaboratory at Ohio University (OU) were performed using the time-of-flight (ToF)technique. Comparison with other experimental data.
doi: 10.1103/PhysRevC.105.055802
2021CH56 Phys.Rev. C 104, 054314 (2021) A.Chester, B.A.Brown, S.P.Burcher, M.P.Carpenter, J.J.Carroll, C.J.Chiara, P.A.Copp, B.P.Crider, J.T.Harke, D.E.M.Hoff, K.Kolos, S.N.Liddick, B.Longfellow, M.J.Mogannam, T.H.Ogunbeku, C.J.Prokop, D.Rhodes, A.L.Richard, O.A.Shehu, A.S.Tamashiro, R.Unz, Y.Xiao Identification of a new isomeric state in 76Zn following the β decay of 76Cu RADIOACTIVITY 76Cu(β-)[from 9Be(86Kr, X), E=140 MeV/nucleon, followed by separation of fragments of interest using A1900 fragment separator at NSCL-MSU facility]; measured reaction products, particle identification plot of ions implanted in CeBr3 detector, Eγ, Iγ, (76Cu implants)γ-coin, γγ-coin, T1/2 of a nanosecond isomer by fast timing method using an array of 16 HPGe clover detectors and 15 LaBr3 detectors. 76Zn; deduced levels, J, π, new isomer, Comparison with shell-model calculations. NUCLEAR STRUCTURE 76Zn; calculated levels, J, π, level T1/2, isomers, proton and neutron occupancy numbers of negative-parity isomeric states using shell model with jj4b, jj4c and JUN45 interactions. Comparison with experimental data.
doi: 10.1103/PhysRevC.104.054314
2021VO11 Phys.Rev. C 104, 015805 (2021) A.V.Voinov, K.Brandenburg, C.R.Brune, R.Giri, S.M.Grimes, T.Massey, Z.Meisel, S.N.Paneru, A.L.Richard, G.Perdikakis, A.Falduto Reduction of the neutron imaginary potential off the stability line and its possible impact on neutron capture rates NUCLEAR REACTIONS 48Ca(11B, X)59Mn*, E=21.8 MeV; measured E(n), I(n), E(p), I(p), Eα, Iα emitted by the compound nucleus 59Mn using ΔE-E Si detector telescope at the Edwards Accelerator Laboratory; analyzed optical model potentials (OMP) with their original parametrizations as well as with adjusted isovector imaginary components using EMPIRE code and BSFG Egidy level-density parametrization; deduced importance of inclusion of isovector component of the imaginary potential; discussed consequences for astrophysical reaction-rate calculations.
doi: 10.1103/PhysRevC.104.015805
2020VO12 Phys.Rev. C 102, 064005 (2020) A.V.Voinov, S.Akhtar, N.Alanazi, K.Brandenburg, C.R.Brune, T.W.Danley, S.Dhakal, R.Giri, T.N.Massey, S.N.Paneru, C.E.Parker, A.L.Richard, C.J.Forrest, D.Schneider, G.Grim Cross section of neutrons from the 2H(n, 2n) reaction at En = 15 MeV NUCLEAR REACTIONS 16O(n, n), 2H(n, 2n), E=15 MeV; measured reaction products, En, In; deduced cross sections using H2O and D2O targets and NE213 liquid scintillator at the Swinger neutron facility of Edwards Accelerator Laboratory. Comparison with models based on phase-space approximation used in the ENDF/B-VIII.0 data library and in the MCNP neutron transport code, and using the rigorous model based on Faddeev equations.
doi: 10.1103/PhysRevC.102.064005
2019AB06 Phys.Rev. C 100, 014323 (2019) B.Abromeit, V.Tripathi, H.L.Crawford, S.N.Liddick, S.Yoshida, Y.Utsuno, P.C.Bender, B.P.Crider, R.Dungan, P.Fallon, K.Kravvaris, N.Larson, R.S.Lubna, T.Otsuka, C.J.Prokop, A.L.Richard, N.Shimizu, S.L.Tabor, A.Volya Β- decay of Tz = +11/2 isotopes 37Al and 39Si: Understanding Gamow-Teller strength distribution in neutron-rich nuclei RADIOACTIVITY 37Al, 37,39,40Si, 37,39P(β-)[from 9Be(48Ca, X), E=140 MeV/nucleon, followed by fragment separation using A1900 separator at NSCL-MSU]; 37Al, 39Si(β-n); measured β, Eγ, Iγ, βγ-coin, half-lives of decays of 37Al, 37Si and 39Si, %β-n for decays of 37Al and 39Si using β-counting system (BCS) at NSCL-MSU which consisted of silicon PIN detectors, segmented planar Ge double-sided strip detector (GeDSSD) for implants and β- detection, and an array of 16 segmented Ge detectors for γ rays. 36Si, 37Si, 37,39,40P, 37,39S; deduced levels, J, π, β feedings, logft, %β-n. Systematics of low-lying positive π states in 35,37,39P, and T1/2 in N=20-28 Si isotopes. Comparison with shell model calculations. NUCLEAR STRUCTURE 35,37,39P, 37,39S, 37Si; calculated levels, J, π, logft values. Shell model calculations using the SDPFSDG-MU interaction. Comparison with experimental data from the present experiment, and the evaluated data in the ENSDF database at NNDC.
doi: 10.1103/PhysRevC.100.014323
2019DH01 Nucl.Sci.Eng. 193, 1033 (2019) S.Dhakal, C.R.Brune, T.N.Massey, S.M.Grimes, A.V.Voinov, S.Akhtar, An.P.D.Ramirez, A.L.Richard Investigation of Neutron Cross Section for Iron in the ENDF Library wiTh. Pulsed Sphere Measurements NUCLEAR REACTIONS 56Fe(n, n), (n, n'), E=7.2-10 MeV; measured reaction products, En, In; deduced σ. Comparison with MCNP simulations, ENDF/B libraries.
doi: 10.1080/00295639.2019.1591095
2019VO05 Phys.Rev. C 99, 054609 (2019) A.V.Voinov, T.Renstrom, D.L.Bleuel, S.M.Grimes, M.Guttormsen, A.C.Larsen, S.N.Liddick, G.Perdikakis, A.Spyrou, S.Akhtar, N.Alanazi, K.Brandenburg, C.R.Brune, T.W.Danley, S.Dhakal, P.Gastis, R.Giri, T.N.Massey, Z.Meisel, S.Nikas, S.N.Paneru, C.E.Parker, A.L.Richard Level densities of 74, 76Ge from compound nuclear reactions NUCLEAR STRUCTURE 68,70Zn(7Li, p), E=16 MeV; measured evaporated proton spectra from 2-25 MeV, σ, yields using silicon ΔE-E telescope at the Edwards tandem accelerator laboratory, Athens, Ohio. 74,76Ge; deduced nuclear level densities. Comparison with theoretical calculations using coupled-channel model of the EMPIRE code, GCM-RIPL-global, and BSFG-RIPL-global density models.
doi: 10.1103/PhysRevC.99.054609
2017MA72 Phys.Rev. C 96, 054302 (2017) A.O.Macchiavelli, H.L.Crawford, C.M.Campbell, R.M.Clark, M.Cromaz, P.Fallon, M.D.Jones, I.Y.Lee, A.L.Richard, M.Salathe Spectroscopic factors in the N=20 island of inversion: The Nilsson strong-coupling limit NUCLEAR REACTIONS C(33Mg, 32Mg), E=400, 898 MeV/nucleon; 9Be(32Mg, 31Mg), E=75.7 MeV/nucleon; analyzed recent experimental data on 1n-removal reactions in the rotational strong coupling limit; calculated spectroscopic factors using standard Nilsson parameters and empirical adjustment of experimental data for nuclei in the N=20 island of inversion.
doi: 10.1103/PhysRevC.96.054302
2017RI06 Phys.Rev. C 96, 011303 (2017) A.L.Richard, H.L.Crawford, P.Fallon, A.O.Macchiavelli, V.M.Bader, D.Bazin, M.Bowry, C.M.Campbell, M.P.Carpenter, R.M.Clark, M.Cromaz, A.Gade, E.Ideguchi, H.Iwasaki, M.D.Jones, C.Langer, I.Y.Lee, C.Loelius, E.Lunderberg, C.Morse, J.Rissanen, M.Salathe, D.Smalley, S.R.Stroberg, D.Weisshaar, K.Whitmore, A.Wiens, S.J.Williams, K.Wimmer, T.Yamamato Strongly coupled rotational band in 33Mg NUCLEAR REACTIONS 9Be(46Ar, 33Mg), E=102 MeV/nucleon, [secondary 46Ar beam from 9Be(48Ca, X), E=140 MeV/nucleon primary reaction at NSCL-MSU facility]; measured reaction products, Eγ, Iγ, (33Mg)γ-, γγ-coin using S800 spectrograph for particle identification and GRETINA array for γ detection. 33Mg; deduced low-energy yrast levels, J, π, rotational band, ground-state magnetic moment, and intrinsic quadrupole moment. Comparison with strong-coupling limit of a rotational model.
doi: 10.1103/PhysRevC.96.011303
2017TR02 Phys.Rev. C 95, 024308 (2017) V.Tripathi, R.S.Lubna, B.Abromeit, H.L.Crawford, S.N.Liddick, Y.Utsuno, P.C.Bender, B.P.Crider, R.Dungan, P.Fallon, K.Kravvaris, N.Larson, A.O.Macchiavelli, T.Otsuka, C.J.Prokop, A.L.Richard, N.Shimizu, S.L.Tabor, A.Volya, S.Yoshida β decay of 38, 40Si (Tz =+5, +6) to low-lying core excited states in odd-odd 38-40P isotopes RADIOACTIVITY 38,40Si(β-), (β-n)[from 9Be(48Ca, X), E=140 MeV/nucleon using A1900 separator at NSCL-MSU facility]; measured Eγ, Iγ, Eβ, γγ-coin, β-correlated γ spectra, half-lives and delayed-neutron probabilities (Pn) of decays of 38Si and 40Si using planar germanium double-sided strip detector (GeDSSD) and SeGA array. 38,40P; deduced levels, J, π, β feedings log ft values. Comparison with known experimental level schemes of 34 and 36P, and with shell model calculations using SDPF-MU interaction. 36,38,40Si(β-); calculated half-lives and log ft values of decays of Si isotopes, beta-delayed neutron probabilities (Pn) using shell model, and compared with experimental values. NUCLEAR STRUCTURE 34,36,38,40P; calculated levels, J, π, proton and neutron occupancies for the ground state and the three excited 1+ states, Gamow-Teller matrix elements for the 1+ states. Shell model calculations with SDPF-MU interaction. Comparison with experimental data.
doi: 10.1103/PhysRevC.95.024308
2016AY01 Phys.Lett. B 754, 254 (2016) A.D.Ayangeakaa, R.V.F.Janssens, C.Y.Wu, J.M.Allmond, J.L.Wood, S.Zhu, M.Albers, S.Almaraz-Calderon, B.Bucher, M.P.Carpenter, C.J.Chiara, D.Cline, H.L.Crawford, H.M.David, J.Harker, A.B.Hayes, C.R.Hoffman, B.P.Kay, K.Kolos, A.Korichi, T.Lauritsen, A.O.Macchiavelli, A.Richard, D.Seweryniak, A.Wiens Shape coexistence and the role of axial asymmetry in 72Ge NUCLEAR REACTIONS 208Pb(72Ge, 72Ge'), E=301 MeV; measured reaction products, Eγ, Iγ. 72Ge; deduced energy levels, J, π, reduced E2 matrix elements, B(E2) values. Comparison with available data.
doi: 10.1016/j.physletb.2016.01.036
2016BU02 Phys.Rev.Lett. 116, 112503 (2016) B.Bucher, S.Zhu, C.Y.Wu, R.V.F.Janssens, D.Cline, A.B.Hayes, M.Albers, A.D.Ayangeakaa, P.A.Butler, C.M.Campbell, M.P.Carpenter, C.J.Chiara, J.A.Clark, H.L.Crawford, M.Cromaz, H.M.David, C.Dickerson, E.T.Gregor, J.Harker, C.R.Hoffman, B.P.Kay, F.G.Kondev, A.Korichi, T.Lauritsen, A.O.Macchiavelli, R.C.Pardo, A.Richard, M.A.Riley, G.Savard, M.Scheck, D.Seweryniak, M.K.Smith, R.Vondrasek, A.Wiens Direct Evidence of Octupole Deformation in Neutron-Rich 144Ba NUCLEAR REACTIONS 208Pb(144Ba, 144Ba'), E=650 MeV; measured reaction products, Eγ, Iγ. 144Ba; deduced yields, E2 and E3 matrix elements, quadrupole moments, deformation parameters, B(E2), B(E3). Comparison with theoretical calculations.
doi: 10.1103/PhysRevLett.116.112503
2016CR01 Phys.Rev. C 93, 031303 (2016) H.L.Crawford, P.Fallon, A.O.Macchiavelli, A.Poves, V.M.Bader, D.Bazin, M.Bowry, C.M.Campbell, M.P.Carpenter, R.M.Clark, M.Cromaz, A.Gade, E.Ideguchi, H.Iwasaki, C.Langer, I.Y.Lee, C.Loelius, E.Lunderberg, C.Morse, A.L.Richard, J.Rissanen, D.Smalley, S.R.Stroberg, D.Weisshaar, K.Whitmore, A.Wiens, S.J.Williams, K.Wimmer, T.Yamamato Rotational band structure in 32Mg NUCLEAR REACTIONS 9Be(46Ar, 32Mg), E=102 MeV/nucleon, [secondary 46Ar beam from 9Be(48Ca, X), E=140 MeV/nucleon primary reaction]; measured Eγ, Iγ, (32Mg)γ-, γγ-coin using A1900 fragment separator, S800 spectrograph and GRETINA array at NSCL-MSU. 32Mg; deduced levels, J, π, rotational band in a nuclide in "island of inversion", configuration. Comparison with large-scale shell model calculations using ANTOINE code with the SDPF-U-MIX effective two-body interaction.
doi: 10.1103/PhysRevC.93.031303
2010DO03 Nucl.Instrum.Methods Phys.Res. A613, 218 (2010) P.Doornenbal, P.Reiter, H.Grawe, T.Saito, A.Al-Khatib, A.Banu, T.Beck, F.Becker, P.Bednarczyk, G.Benzoni, A.Bracco, A.Burger, L.Caceres, F.Camera, S.Chmel, F.C.L.Crespi, H.Geissel, J.Gerl, M.Gorska, J.Grebosz, H.Hubel, M.Kavatsyuk, O.Kavatsyuk, M.Kmiecik, I.Kojouharov, N.Kurz, R.Lozeva, A.Maj, S.Mandal, W.Meczynski, B.Million, Zs.Podolyak, A.Richard, N.Saito, H.Schaffner, M.Seidlitz, T.Striepling, J.Walker, N.Warr, H.Weick, O.Wieland, M.Winkler, H.J.Wollersheim Lifetime effects for high-resolution gamma-ray spectroscopy at relativistic energies and their implications for the RISING spectrometer NUCLEAR REACTIONS 9Be(37Ca, X)34Cl/31S, E=195.7 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced energies, J, π, T1/2. 40Ca fragmentation beams.
doi: 10.1016/j.nima.2009.11.017
2010ZH46 Phys.Rev. C 82, 054609 (2010) H.Q.Zhang, C.J.Lin, F.Yang, H.M.Jia, X.X.Xu, Z.D.Wu, F.Jia, S.T.Zhang, Z.H.Liu, A.Richard, C.Beck Near-barrier fusion of 32S+90, 96Zr: The effect of multi-neutron transfers in sub-barrier fusion reactions NUCLEAR REACTIONS 90Zr(32S, X), E=100-130 MeV: 96Zr(32S, X), E=95-130 MeV; measured particle spectra of fusion evaporation residues (ER), E-TOF plot of ER and beam-like particles (BLP), fusion σ(E, θ); deduced barrier distributions. Comparison with coupled-channel (CC) calculations and with data for 96Zr(40Ca, X) reaction. Effects of multi-neutron transfers.
doi: 10.1103/PhysRevC.82.054609
2008SA35 Phys.Lett. B 669, 19 (2008) T.R.Saito, N.Saito, K.Starosta, J.Beller, N.Pietralla, H.J.Wollersheim, D.L.Balabanski, A.Banu, R.A.Bark, T.Beck, F.Becker, P.Bednarczyk, K.-H.Behr, G.Benzoni, P.G.Bizzeti, C.Boiano, A.Bracco, S.Brambilla, A.Brunle, A.Burger, L.Caceres, F.Camera, F.C.L.Crespi, P.Doornenbal, A.B.Garnsworthy, H.Geissel, J.Gerl, M.Gorska, J.Grebosz, G.Hagemann, J.Jolie, M.Kavatsyuk, O.Kavatsyuk, T.Koike, I.Kojouharov, N.Kurz, J.Leske, G.Lo Bianco, A.Maj, S.Mallion, S.Mandal, M.Maliage, T.Otsuka, C.M.Petrache, Zs.Podolyak, W.Prokopowicz, G.Rainovski, P.Reiter, A.Richard, H.Schaffner, S.Schielke, G.Sletten, N.J.Thompson, D.Tonev, J.Walker, N.Warr, O.Wieland, Q.Zhong Yrast and non-yrast 2+ states of 134Ce and 136Nd populated in relativistic Coulomb excitation NUCLEAR REACTIONS Au(134Ce, 134CE'), (136ND, 136ND'), E≈ 126 MeV/nucleon; measured Eγ, Iγ, γγ-, (particle)γ-coin. 134Ce, 136Nd; deduced B(E2).
doi: 10.1016/j.physletb.2008.09.027
2007DO11 Phys.Lett. B 647, 237 (2007) P.Doornenbal, P.Reiter, H.Grawe, T.Otsuka, A.Al-Khatib, A.Banu, T.Beck, F.Becker, P.Bednarczyk, G.Benzoni, A.Bracco, A.Burger, L.Caceres, F.Camera, S.Chmel, F.C.L.Crespi, H.Geissel, J.Gerl, M.Gorska, J.Grebosz, H.Hubel, M.Kavatsyuk, O.Kavatsyuk, M.Kmiecik, I.Kojouharov, N.Kurz, R.Lozeva, A.Maj, S.Mandal, W.Meczynski, B.Million, Zs.Podolyak, A.Richard, N.Saito, T.Saito, H.Schaffner, M.Seidlitz, T.Striepling, Y.Utsuno, J.Walker, N.Warr, H.Weick, O.Wieland, M.Winkler, H.J.Wollersheim The T = 2 mirrors 36Ca and 36S: A test for isospin symmetry of shell gaps at the driplines NUCLEAR REACTIONS 9Be(37Ca, X)36Ca, E=196 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin. 36Ca deduced excited state energy, mirror energy differences. Fragment separator, shell-model calculations.
doi: 10.1016/j.physletb.2007.02.001
2005PO21 Eur.Phys.J. A 25, Supplement 1, 287 (2005) E.Pollacco, D.Beaumel, P.Roussel-Chomaz, E.Atkin, P.Baron, J.P.Baronick, E.Becheva, Y.Blumenfeld, A.Boujrad, A.Drouart, F.Druillole, P.Edelbruck, M.Gelin, A.Gillibert, Ch.Houarner, V.Lapoux, L.Lavergne, G.Leberthe, L.Leterrier, V.Le Ven, F.Lugiez, L.Nalpas, L.Olivier, B.Paul, B.Raine, A.Richard, M.Rouger, F.Saillant, F.Skaza, M.Tripon, M.Vilmay, E.Wanlin, M.Wittwer MUST2: A new generation array for direct reaction studies
doi: 10.1140/epjad/i2005-06-162-5
2005RI03 J.Phys.(London) G31, S155 (2005) A.Richard, for the NA49 Collaboration Energy dependence of hyperon production in central Pb+Pb collisions at the CERN-SPS NUCLEAR REACTIONS Pb(Pb, X), E=20, 30, 40, 80, 158 GeV/nucleon; measured hyperons transverse mass and rapidity spectra, yield ratios. Comparison with model predictions.
doi: 10.1088/0954-3899/31/4/019
1996PO19 Nucl.Instrum.Methods Phys.Res. A369, 222 (1996) J.Pouthas, A.Bertaut, B.Borderie, P.Bourgault, B.Cahan, G.Carles, D.Charlet, D.Cussol, R.Dayras, M.Engrand, O.Jouniaux, P.Le Botlan, A.Leconte, P.Lelong, L.Martina, P.Mosrin, L.Olivier, J.P.Passerieux, B.Piquet, E.Plagnol, E.Plaige, B.Raine, A.Richard, F.Saint-Laurent, C.Spitaels, J.Tillier, M.Tripon, P.Vallerand, P.Volkov, G.Wittwer The Electronics of the INDRA 4π Detection Array
doi: 10.1016/0168-9002(95)00770-9
1995PO17 Nucl.Instrum.Methods Phys.Res. A357, 418 (1995) J.Pouthas, B.Borderie, R.Dayras, E.Plagnol, M.F.Rivet, F.Saint-Laurent, J.C.Steckmeyer, G.Auger, C.O.Bacri, S.Barbey, A.Barbier, A.Benkirane, J.Benlliure, B.Berthier, E.Bougamont, P.Bourgault, P.Box, R.Bzyl, B.Cahan, Y.Cassagnou, D.Charlet, J.L.Charvet, A.Chbihi, T.Clerc, N.Copinet, D.Cussol, M.Engrand, J.M.Gautier, Y.Huguet, O.Jouniaux, J.L.Laville, P.Le Botlan, A.Leconte, R.Legrain, P.Lelong, M.Le Guay, L.Martina, C.Mazur, P.Mosrin, L.Olivier, J.P.Passerieux, S.Pierre, B.Piquet, E.Plaige, E.C.Pollacco, B.Raine, A.Richard, J.Ropert, C.Spitaels, L.Stab, D.Sznajderman, L.Tassan-Got, J.Tillier, M.Tripon, P.Vallerand, C.Volant, P.Volkov, J.P.Wieleczko, G.Wittwer INDRA, a 4π Charged Product Detection Array at GANIL NUCLEAR REACTIONS 58Ni(36Ar, X), E=32-95 MeV/nucleon; Sn(129Xe, X), E=25-50 MeV/nucleon; measured charged particle multiplicity distributions. 4π charged product detector array INDRA.
doi: 10.1016/0168-9002(94)01543-0
1992BA01 Phys.Rev. C45, 69 (1992) D.Bazin, R.Del Moral, J.P.Dufour, A.Fleury, F.Hubert, M.S.Pravikoff, R.Anne, P.Bricault, C.Detraz, M.Lewitowicz, Y.Zheng, D.Guillemaud-Mueller, J.C.Jacmart, A.C.Mueller, F.Pougheon, A.Richard Decay Modes of 31Ar and First Observation of β-Delayed Three-Proton Radioactivity RADIOACTIVITY 31Ar; measured T1/2, β(multi-proton)coin, Ep. 31Cl deduced levels. 31Ar deduced mass excess, p-xp branching ratios. Silicon detectors. Calculated coin rates, Monte-Carlo, β-p branching ratio, shell model.
doi: 10.1103/PhysRevC.45.69
1992RI01 Nucl.Phys. A540, 365 (1992) K.Riisager, R.Anne, S.E.Arnell, R.Bimbot, H.Emling, D.Guillemaud-Mueller, P.G.Hansen, L.Johannsen, B.Jonson, A.Latimier, M.Lewitowicz, S.Mattsson, A.C.Mueller, R.Neugart, G.Nyman, F.Pougheon, A.Richard, A.Richter, M.G.Saint-Laurent, G.Schrieder, O.Sorlin, K.Wilhelmsen Two-Neutron Removal Reactions for Very Neutron-Rich Nuclei NUCLEAR REACTIONS 9Be, Ni, 197Au(11Li, 9Li), (14Be, 12Be), (8He, 6He), E=30 MeV/nucleon; measured σ(θ); deduced correlation with two-neutron separation energies, nn-distribution.
doi: 10.1016/0375-9474(92)90210-B
1990DE43 Nucl.Phys. A519, 529 (1990) C.Detraz, R.Anne, P.Bricault, D.Guillemaud-Mueller, M.Lewitowicz, A.C.Mueller, Y.H.Zhang, V.Borrel, J.C.Jacmart, F.Pougheon, A.Richard, D.Bazin, J.P.Dufour, A.Fleury, F.Hubert, M.S.Pravikoff Search for Direct Two-Proton Radioactivity from Ti Isotopes at the Proton Drip Line RADIOACTIVITY 39,40Ti(β+p); [from 58Ni(58Ni, X), E=65 MeV/nucleon]; measured β-delayed charged particle spectra. 39,40Ti deduced T1/2. Magnetic analysis, tof, solid state detector telescope.
doi: 10.1016/0375-9474(90)90445-R
1990GU02 Phys.Rev. C41, 937 (1990) D.Guillemaud-Mueller, J.C.Jacmart, E.Kashy, A.Latimier, A.C.Mueller, F.Pougheon, A.Richard, Yu.E.Penionzhkevich, A.G.Artukh, A.V.Belozyorov, S.M.Lukyanov, R.Anne, P.Bricault, C.Detraz, M.Lewitowicz, Y.Zhang, Yu.S.Lyutostansky, M.V.Zverev, D.Bazin, W.D.Schmidt-Ott Particle Stability of the Isotopes 26O and 32Ne in the Reaction 44 MeV/Nucleon 48Ca + Ta NUCLEAR REACTIONS Ta(48Ca, X), E=2112 MeV; measured fragment total energy, fragment production rate vs mass, Z, tof; deduced evidence for 32Ne. 31Ne, 26O deduced particle decay instability. NUCLEAR STRUCTURE 18,20,22,24O, 31,32,33,34Ne; calculated one-, two-neutron separation energies. Quasiparticle Lagrange method.
doi: 10.1103/PhysRevC.41.937
1990LE03 Z.Phys. A335, 117 (1990) M.Lewitowicz, R.Anne, A.G.Artukh, D.Bazin, A.V.Belozyorov, P.Bricault, C.Detraz, D.Guillemaud-Mueller, J.C.Jacmart, E.Kashy, A.Latimier, S.M.Lukyanov, A.C.Mueller, Yu.E.Penionzhkevich, F.Pougheon, A.Richard, W.D.Schmidt-Ott, Y.Zhang First Observation of the Neutron-Rich Nuclei 42Si, 45,46P, 48S, and 51Cl from the Interaction of 44 MeV/u 48Ca + 64Ni NUCLEAR REACTIONS 64Ni(48Ca, X), E=44 MeV/nucleon; measured fragment spectra vs Z; deduced evidence for 42Si, 45,46P, 48S, 51Cl.
1990MU06 Nucl.Phys. A513, 1 (1990) A.C.Mueller, D.Guillemaud-Mueller, J.C.Jacmart, E.Kashy, F.Pougheon, A.Richard, A.Staudt, H.V.Klapdor-Kleingrothaus, M.Lewitowicz, R.Anne, P.Bricault, C.Detraz, Yu.E.Penionzhkevich, A.G.Artukh, A.V.Belozyorov, S.M.Lukyanov, D.Bazin, W.D.Schmidt-Ott Measurement and QRPA Calculation of the β-Delayed Neutron Emission of 21,22N and 23,24O RADIOACTIVITY 21,22N, 23,24O [ from 181Ta(48Ca, X), E=2110 MeV]; measured T1/2, delayed n emission probabilities. 19,20C, 20,21,22N, 23,24O; calculated T1/2, delayed neutron emission probabilities.
doi: 10.1016/0375-9474(90)90338-M
1989GU03 Z.Phys. A332, 189 (1989) D.Guillemaud-Mueller, Yu.E.Penionzhkevich, R.Anne, A.G.Artukh, D.Bazin, V.Borrel, C.Detraz, D.Guerreau, B.A.Gvozdev, J.C.Jacmart, D.X.Jiang, A.M.Kalinin, V.V.Kamanin, V.B.Kutner, M.Lewitowicz, S.M.Lukyanov, A.C.Mueller, Nguyen Hoai Chau, F.Pougheon, A.Richard, M.G.Saint-Laurent, W.D.Schmidt-Ott Observation of New Neutron Rich Nuclei 26F, 35,36Mg, 38,39Al, 40,41Si, 43,44P, 45-47S, 46-49Cl, and 49-51Ar from the Interactions of 55 MeV/u 48Ca + Ta NUCLEAR REACTIONS Ta(48Ca, X), E=55 MeV/nucleon; measured fragment spectra; deduced evidence for 29F, 35,36Mg, 38,39Al, 40,41Si, 43,44P, 45,46,47S, 46,47,48,49Cl, 49,50,51Ar.
1989HO19 Z.Phys. A334, 277 (1989) E.Hourani, F.Azaiez, Ph.Dessagne, A.Elayi, S.Fortier, S.Gales, J.M.Maison, P.Massolo, Ch.Miehe, A.Richard Search for Proton Radioactivity in 65As, 69Br and 97Y RADIOACTIVITY 65As [from 40Ca(28Si, 2np)]; 69Br [from 40Ca(32S, 2np)]; 97Y [from 40Ca(40Ca, 2np)]; measured particle spectra, (particle)(particle)-coin spectra; deduced no proton activity evidence.
1989LE16 Nucl.Phys. A496, 477 (1989) M.Lewitowicz, Yu.E.Penionzhkevich, A.G.Artukh, A.M.Kalinin, V.V.Kamanin, S.M.Lukyanov, Nguyen Hoai Chau, A.C.Mueller, D.Guillemaud-Mueller, R.Anne, D.Bazin, C.Detraz, D.Guerreau, M.G.Saint-Laurent, V.Borrel, J.C.Jacmart, F.Pougheon, A.Richard, W.D.Schmidt-Ott β-Delayed Neutron Emission of the Isotopes 20C, 40,41,42P, 43,44S RADIOACTIVITY 15,17B, 18,20C, 35Al, 40,41,42P, 43,44S [from 181Ta(48Ca, X)]; measured T1/2, delayed n emission probabilities.
doi: 10.1016/0375-9474(89)90072-9
1988MU08 Z.Phys. A330, 63 (1988) A.C.Mueller, D.Bazin, W.D.Schmidt-Ott, R.Anne, D.Guerreau, D.Guillemaud-Mueller, M.G.Saint-Laurent, V.Borrel, J.C.Jacmart, F.Pougheon, A.Richard β-Delayed Neutron Emission of 15B, 18C, 19,20N, 34,35Al and 39P RADIOACTIVITY 15B, 18C, 19,20N, 34,35Al, 39P(β-n) [from 181Ta(86Kr, X), E=45 MeV/nucleon]; measured T1/2, neutron emission probabilities.
1987BO36 Nucl.Phys. A473, 331 (1987) V.Borrel, J.C.Jacmart, F.Pougheon, A.Richard, R.Anne, D.Bazin, H.Delagrange, C.Detraz, D.Guillemaud-Mueller, A.C.Mueller, E.Roeckl, M.G.Saint-Laurent, J.P.Dufour, F.Hubert, M.S.Pravikoff Beta-Delayed Proton Decay of the T(z) = -5/2 Isotope 31Ar RADIOACTIVITY 31Ar(β+p) [from 36Ar fragmentation reaction]; measured β-delayed E(p), I(p); deduced log ft. 31Ar deduced T1/2. 31Cl deduced levels. Magnetic analysis, tof, solid state detector telescope.
doi: 10.1016/0375-9474(87)90148-5
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