NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = R.Varner Found 94 matches. 2022JO01 Phys.Rev. C 105, 024602 (2022) K.L.Jones, A.Bey, S.Burcher, J.M.Allmond, A.Galindo-Uribarri, D.C.Radford, S.Ahn, A.Ayres, D.W.Bardayan, J.A.Cizewski, R.F.Garcia Ruiz, M.E.Howard, R.L.Kozub, J.F.Liang, B.Manning, M.Matos, C.D.Nesaraja, P.D.O'Malley, E.Padilla-Rodal, S.D.Pain, S.T.Pittman, A.Ratkiewicz, K.T.Schmitt, M.S.Smith, D.W.Stracener, R.L.Varner Neutron transfer reactions on the ground state and isomeric state of a 130Sn beam NUCLEAR REACTIONS 9Be, 13C(130Sn, 131Sn), E=520 MeV [secondary 130Sn and 130mSn beams from U(p, F)]; measured reaction products, Eγ, Iγ, Eα, αα-coin, αγ-coin, ααγ-coin. 131Sn; deduced levels, J, π, improved energy values for 1p-2h states. Discussed the probability of one-neutron transfer from the 7- isomeric state in 130Sn. CLARION array of 11 Compton-suppressed HPGe clover detectors combined with BareBall CsI(Tl) array at HRIBF.
doi: 10.1103/PhysRevC.105.024602
2020GR01 Phys.Rev.Lett. 124, 032502 (2020) T.J.Gray, J.M.Allmond, A.E.Stuchbery, C.-H.Yu, C.Baktash, A.Gargano, A.Galindo-Uribarri, D.C.Radford, J.C.Batchelder, J.R.Beene, C.R.Bingham, L.Coraggio, A.Covello, M.Danchev, C.J.Gross, P.A.Hausladen, N.Itaco, W.Krolas, J.F.Liang, E.Padilla-Rodal, J.Pavan, D.W.Stracener, R.L.Varner Early Signal of Emerging Nuclear Collectivity in Neutron-Rich 129Sb NUCLEAR REACTIONS 50Ti(129Sb, 129Sb'), E=400 MeV; measured reaction products, Eγ, Iγ. 129Sb; deduced γ-ray energies, J, π, B(E2). Comparison with shell model calculations.
doi: 10.1103/PhysRevLett.124.032502
2020HA03 Phys.Rev. C 101, 015804 (2020) M.R.Hall, D.W.Bardayan, T.Baugher, A.Lepailleur, S.D.Pain, A.Ratkiewicz, S.Ahn, J.M.Allen, J.T.Anderson, A.D.Ayangeakaa, J.C.Blackmon, S.Burcher, M.P.Carpenter, S.M.Cha, K.Y.Chae, K.A.Chipps, J.A.Cizewski, M.Febbraro, O.Hall, J.Hu, C.L.Jiang, K.L.Jones, E.J.Lee, P.D.O'Malley, S.Ota, B.C.Rasco, D.Santiago-Gonzalez, D.Seweryniak, H.Sims, K.Smith, W.P.Tan, P.Thompson, C.Thornsberry, R.L.Varner, D.Walter, G.L.Wilson, S.Zhu γ-ray spectroscopy of astrophysically important states in 39Ca NUCLEAR REACTIONS 40Ca(3He, αγ)39Ca, E=30 MeV; Measured Eγ, Iγ, Eα, Iα, αγ-coin, reaction products using the GODDESS array (Gammasphere for γ detection and ORRUBA for particle detection) at the ATLAS-ANL facility. 39Ca; deduced levels, J, π, γ-branching ratios. 38K(p, γ)39Ca, T=0.1-0.4 GK; deduced resonance parameters, astrophysical reaction rates. Discussed impact on abundances of isotopes created at the endpoint of nova nucleosynthesis.
doi: 10.1103/PhysRevC.101.015804
2020HA31 Phys.Rev. C 102, 045802 (2020) M.R.Hall, D.W.Bardayan, T.Baugher, A.Lepailleur, S.D.Pain, A.Ratkiewicz, S.Ahn, J.M.Allen, J.T.Anderson, A.D.Ayangeakaa, J.C.Blackmon, S.Burcher, M.P.Carpenter, S.M.Cha, K.Y.Chae, K.A.Chipps, J.A.Cizewski, M.Febbraro, O.Hall, J.Hu, C.L.Jiang, K.L.Jones, E.J.Lee, P.D.O'Malley, S.Ota, B.C.Rasco, D.Santiago-Gonzalez, D.Seweryniak, H.Sims, K.Smith, W.P.Tan, P.Thompson, C.Thornsberry, R.L.Varner, D.Walter, G.L.Wilson, S.Zhu 19Ne level structure for explosive nucleosynthesis NUCLEAR REACTIONS 19F(3He, t)19Ne, E=30 MeV; measured reaction products, E(t), I(t), Eγ, Iγ, (triton)γ-, and (triton)γγ-coin using ORRUBA array with Micron QQQ5 telescopes for tritons and Gammasphere array for γ rays at ATLAS-ANL facility. 19Ne; deduced levels, J, π, γ-branching ratios. Comparison with earlier experimental results and with evaluated data. 18F(p, α)15O, E(cm)<0.9 MeV; calculated astrophysical S factors, and reaction rates at temperature of 0.06 to 0.4 GK.
doi: 10.1103/PhysRevC.102.045802
2019AK14 Phys.Rev. D 100, 115020 (2019) D.Akimov, J.B.Albert, P.An, C.Awe, P.S.Barbeau, B.Becker, V.Belov, M.A.Blackston, A.Bolozdynya, B.Cabrera-Palmer, M.Cervantes, J.I.Collar, R.L.Cooper, J.Daughhetee, M.del Valle Coello, J.A.Detwiler, M.D'Onofrio, Y.Efremenko, E.M.Erkela, S.R.Elliott, L.Fabris, M.Febbraro, W.Fox, A.Galindo-Uribarri, M.P.Green, K.S.Hansen, M.R.Heath, S.Hedges, T.Johnson, M.Kaemingk, L.J.Kaufman, A.Khromov, A.Konovalov, E.Kozlova, A.Kumpan, L.Li, J.T.Librande, J.M.Link, J.Liu, K.Mann, D.M.Markoff, H.Moreno, P.E.Mueller, J.Newby, D.S.Parno, S.Penttila, D.Pershey, D.Radford, R.Rapp, H.Ray, J.Raybern, O.Razuvaeva, D.Reyna, G.C.Rich, D.Rudik, J.Runge, D.J.Salvat, K.Scholberg, A.Shakirov, G.Simakov, G.Sinev, W.M.Snow, V.Sosnovtsev, B.Suh, R.Tayloe, K.Tellez-Giron-Flores, R.T.Thornton, I.Tolstukhin, J.Vanderwerp, R.L.Varner, C.J.Virtue, G.Visser, C.Wiseman, T.Wongjirad, J.Yang, Y.-R.Yen, J.Yoo, C.-H.Yu, J.Zettlemoyer First constraint on coherent elastic neutrino-nucleus scattering in argon NUCLEAR REACTIONS Ar, 133Cs, 127I, Ge, 23Na(ν, ν), E, 100 MeV; measured reaction products, nuclear recoils; deduced a limit on coherent elastic neutrino-nucleus scattering.
doi: 10.1103/PhysRevD.100.115020
2019AS01 Nucl.Instrum.Methods Phys.Res. A922, 287 (2019) J.Ashenfelter, A.B.Balantekin, C.Baldenegro, H.R.Band, C.D.Bass, D.E.Bergeron, D.Berish, L.J.Bignell, N.S.Bowden, J.Boyle, J.Bricco, J.P.Brodsky, C.D.Bryan, A.B.Telles, J.J.Cherwinka, T.Classen, K.Commeford, A.J.Conant, A.A.Cox, D.Davee, D.Dean, G.Deichert, M.V.Diwan, M.J.Dolinski, A.Erickson, M.Febbraro, B.T.Foust, J.K.Gaison, A.Galindo-Uribarri, C.E.Gilbert, K.E.Gilje, A.Glenn, B.W.Goddard, B.T.Hackett, K.Han, S.Hans, A.B.Hansell, K.M.Heeger, B.Heffron, J.Insler, D.E.Jaffe, X.Ji, D.C.Jones, K.Koehler, O.Kyzylova, C.E.Lane, T.J.Langford, J.LaRosa, B.R.Littlejohn, F.Lopez, X.Lu, D.A.Martinez Caicedo, J.T.Matta, R.D.McKeown, M.P.Mendenhall, H.J.Miller, J.M.Minock, P.E.Mueller, H.P.Mumm, J.Napolitano, R.Neilson, J.A.Nikkel, D.Norcini, S.Nour, D.A.Pushin, X.Qian, E.Romero-Romero, R.Rosero, D.Sarenac, B.S.Seilhan, R.Sharma, P.T.Surukuchi, C.Trinh, M.A.Tyra, R.L.Varner, B.Viren, J.M.Wagner, W.Wang, B.White, C.White, J.Wilhelmi, T.Wise, H.Yao, M.Yeh, Y.-R.Yen, A.Zhang, C.Zhang, X.Zhang, M.Zhao The PROSPECT reactor antineutrino experiment
doi: 10.1016/j.nima.2018.12.079
2019HA08 Phys.Rev.Lett. 122, 052701 (2019) M.R.Hall, D.W.Bardayan, T.Baugher, A.Lepailleur, S.D.Pain, A.Ratkiewicz, S.Ahn, J.M.Allen, J.T.Anderson, A.D.Ayangeakaa, J.C.Blackmon, S.Burcher, M.P.Carpenter, S.M.Cha, K.Y.Chae, K.A.Chipps, J.A.Cizewski, M.Febbraro, O.Hall, J.Hu, C.L.Jiang, K.L.Jones, E.J.Lee, P.D.O'Malley, S.Ota, B.C.Rasco, D.Santiago-Gonzalez, D.Seweryniak, H.Sims, K.Smith, W.P.Tan, P.Thompson, C.Thornsberry, R.L.Varner, D.Walter, G.L.Wilson, S.Zhu Key 19Ne States Identified Affecting γ-Ray Emission from 18F in Novae NUCLEAR REACTIONS 19F(3He, t)19Ne, E=30 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, S-factor, reaction rates, resonance energies. Comparison with available data.
doi: 10.1103/PhysRevLett.122.052701
2019HA14 Phys.Rev. C 99, 035805 (2019) M.R.Hall, D.W.Bardayan, T.Baugher, A.Lepailleur, S.D.Pain, A.Ratkiewicz, S.Ahn, J.M.Allen, J.T.Anderson, A.D.Ayangeakaa, J.C.Blackmon, S.Burcher, M.P.Carpenter, S.M.Cha, K.Y.Chae, K.A.Chipps, J.A.Cizewski, M.Febbraro, O.Hall, J.Hu, C.L.Jiang, K.L.Jones, E.J.Lee, P.D.O'Malley, S.Ota, B.C.Rasco, D.Santiago-Gonzalez, D.Seweryniak, H.Sims, K.Smith, W.P.Tan, P.Thompson, C.Thornsberry, R.L.Varner, D.Walter, G.L.Wilson, S.Zhu New γ-ray transitions observed in 19Ne with implications for the 15O(α, γ)19Ne reaction rate NUCLEAR REACTIONS 19F(3He, t), E=30 MeV; measured triton spectra, Eγ, Iγ, tγ- and γγ-coin using Gammasphere array for γ detection with the silicon detector array ORRUBA Dual Detectors for Experimental Structure Studies (GODDESS) at ATLAS-ANL facility. 19Ne; deduced levels, J, π, and γ-branching ratios for the decay of 4.14- and 4.20-MeV states. 15O(α, γ)19Ne, E≈18-180 keV; calculated fractional contribution of the corrected branching ratios for the 4.14 MeV, 7/2- and 4.20 MeV, 9/2- states in 19Ne to astrophysical reaction rate, which is of significance in breakout from the hot CNO cycle in type I x-ray bursts. Comparison with previous experimental values.
doi: 10.1103/PhysRevC.99.035805
2017AL06 Phys.Rev.Lett. 118, 092503 (2017) J.M.Allmond, A.E.Stuchbery, C.Baktash, A.Gargano, A.Galindo-Uribarri, D.C.Radford, C.R.Bingham, B.A.Brown, L.Coraggio, A.Covello, M.Danchev, C.J.Gross, P.A.Hausladen, N.Itaco, K.Lagergren, E.Padilla-Rodal, J.Pavan, M.A.Riley, N.J.Stone, D.W.Stracener, R.L.Varner, C.-H.Yu Electromagnetic Moments of Radioactive 136Te and the Emergence of Collectivity 2p (+) 2n Outside of Double-Magic 132Sn NUCLEAR REACTIONS Ti(136Te, 136Te'), E=410 MeV; measured reaction products, Eγ, Iγ. 136Te; deduced energy levels, J, π, B(E2) values. Comparison with experimental data and theoretical calculations.
doi: 10.1103/PhysRevLett.118.092503
2017DO01 Phys.Lett. B 766, 334 (2017) D.T.Doherty, J.M.Allmond, R.V.F.Janssens, W.Korten, S.Zhu, M.Zielinska, D.C.Radford, A.D.Ayangeakaa, B.Bucher, J.C.Batchelder, C.W.Beausang, C.Campbell, M.P.Carpenter, D.Cline, H.L.Crawford, H.M.David, J.P.Delaroche, C.Dickerson, P.Fallon, A.Galindo-Uribarri, F.G.Kondev, J.L.Harker, A.B.Hayes, M.Hendricks, P.Humby, M.Girod, C.J.Gross, M.Klintefjord, K.Kolos, G.J.Lane, T.Lauritsen, J.Libert, A.O.Macchiavelli, P.J.Napiorkowski, E.Padilla-Rodal, R.C.Pardo, W.Reviol, D.G.Sarantites, G.Savard, D.Seweryniak, J.Srebrny, R.Varner, R.Vondrasek, A.Wiens, E.Wilson, J.L.Wood, C.Y.Wu Triaxiality near the 110Ru ground state from Coulomb excitation NUCLEAR REACTIONS 208Pb(110Ru, 110Ru'), E=430 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energy spectrum, B(E2) using GOSIA fit of the experimental data, level scheme, J, π, triaxial deformation. Comparison with available data.
doi: 10.1016/j.physletb.2017.01.031
2016LI42 Phys.Rev. C 94, 024616 (2016) J.F.Liang, J.M.Allmond, C.J.Gross, P.E.Mueller, D.Shapira, R.L.Varner, M.Dasgupta, D.J.Hinde, C.Simenel, E.Williams, K.Vo-Phuoc, M.L.Brown, I.P.Carter, M.Evers, D.H.Luong, T.Ebadi, A.Wakhle Examining the role of transfer coupling in sub-barrier fusion of 46, 50Ti + 124Sn NUCLEAR REACTIONS 46,50Ti(124Sn, X), E(cm)=120-154 MeV; 124Sn(46Ti, X), (50Ti, X), E(cm)=116-140 MeV; measured evaporation residues (ERs), fusion σ(E) for the 124Sn beam at HRIBF-ORNL facility, and 46,50Ti beams at ANU 14UD tandem accelerator facility. Comparison of experimental reduced σ(E) values and reduced barrier distributions for 40,48Ca+96Zr, 40,48Ca+124Sn, 40,48Ca+132Sn, 46,50Ti+124Sn, 58,64Ni+124Sn 58,64Ni+132Sn and 64Ni+118Sn reactions. Comparison with coupled-channel calculations using CCFULL code.
doi: 10.1103/PhysRevC.94.024616
2015AL24 Phys.Rev. C 92, 041303 (2015) J.M.Allmond, A.E.Stuchbery, A.Galindo-Uribarri, E.Padilla-Rodal, D.C.Radford, J.C.Batchelder, C.R.Bingham, M.E.Howard, J.F.Liang, B.Manning, S.D.Pain, N.J.Stone, R.L.Varner, C.-H.Yu Investigation into the semimagic nature of the tin isotopes through electromagnetic moments NUCLEAR REACTIONS C, Ti(112Sn, 112Sn'), (114Sn, 114Sn'), (116Sn, 116Sn'), (118Sn, 118Sn'), (120Sn, 120Sn'), (122Sn, 122Sn'), (124Sn, 124Sn'), E=2.9 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin, (particle)γ(θ), absolute cross sections using CLARION Ge array, BareBall CsI array, and a Bragg curve detector at HRIBF-ORNL. 112,114,116,118,120,122,124Sn; deduced E2 matrix elements, B(E2), quadrupole moments, g-factors for the first 2+ states. Coulomb excitation and GOSIA analysis. Comparison with shell model calculations, and several previous experimental measurements. Systematic differences found between results from the present experiment and a recent experiment using DSAM technique.
doi: 10.1103/PhysRevC.92.041303
2015JO03 Acta Phys.Pol. B46, 537 (2015) K.L.Jones, S.Ahn, J.M.Allmond, A.Ayres, D.W.Bardayan, T.Baugher, D.Bazin, J.S.Berryman, A.Bey, C.Bingham, L.Cartegni, G.Cerizza, K.Y.Chae, J.A.Cizewski, A.Gade, A.Galindo-Uribarri, R.F.Garcia Ruiz, R.Grzywacz, M.E.Howard, R.L.Kozub, J.F.Liang, B.Manning, M.MatoS, S.McDaniel, D.Miller, C.D.Nesaraja, P.D.O'Malley, S.Padgett, E.Padilla-Rodal, S.D.Pain, S.T.Pittman, D.C.Radford, A.Ratkiewicz, K.T.Schmitt, A.Shore, M.S.Smith, D.W.Stracener, S.R.Stroberg, J.Tostevin, R.L.Varner, D.Weisshaar, K.Wimmer, R.Winkler Recent Direct Reaction Experimental Studies with Radioactive Tin Beams
doi: 10.5506/APhysPolB.46.537
2014AL07 Phys.Rev.Lett. 112, 172701 (2014) J.M.Allmond, E.S.Stuchbery, J.R.Beene, A.Galindo-Uribarri, J.F.Liang, E.Padilla-Rodal, D.C.Radford, R.L.Varner, A.Ayres, J.C.Batchelder, A.Bey, C.R.Bingham, M.E.Howard, K.L.Jones, B.Manning, P.E.Mueller, C.D.Nesaraja, S.D.Pain, W.A.Peters, A.Ratkiewicz, K.T.Schmitt, D.Shapira, M.S.Smith, N.J.Stone, D.W.Stracener, C.-H.Yu Double-Magic Nature of 132Sn and 208Pb through Lifetime and Cross-Section Measurements NUCLEAR REACTIONS 9Be(132Sn, 8Be), (208Pb, 8Be), E=3 MeV/nucleon; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced energy levels, J, π, σ, level T1/2, B(M1), spectroscopic factors. Comparison with available data, DWBA calculations.
doi: 10.1103/PhysRevLett.112.172701
2014AL14 Phys.Rev. C 90, 014322 (2014) J.M.Allmond, A.E.Stuchbery, B.A.Brown, J.R.Beene, A.Galindo-Uribarri, C.J.Gross, J.F.Liang, E.Padilla-Rodal, D.C.Radford, R.L.Varner, A.Ayres, J.C.Batchelder, A.Bey, C.R.Bingham, M.E.Howard, K.L.Jones, B.Manning, P.E.Mueller, C.D.Nesaraja, S.D.Pain, W.A.Peters, A.Ratkiewicz, K.T.Schmitt, D.Shapira, M.S.Smith, N.J.Stone, D.W.Stracener, C.-H.Yu 2π1ν states populated in 135Te from 9Be-induced reactions with a 132Sn beam NUCLEAR REACTIONS 9Be(132Sn, nα), (132Sn, 2nα), (132Sn, 3nα), E=3 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin using HyBall and CLARION arrays at HRIBF-ORNL facility. 134,135,136Te; deduced levels, J, π. 135Te; deduced σ, spectroscopic factors, DWBA calculations, configurations. Comparison with shell model calculations for 134,135,136Te. NUCLEAR STRUCTURE 134,135,136Te; calculated levels, J, π, wavefunctions, spectroscopic factors using shell model. Comparison with experimental data.
doi: 10.1103/PhysRevC.90.014322
2014AL20 Phys.Rev. C 90, 034309 (2014) J.M.Allmond, B.A.Brown, A.E.Stuchbery, A.Galindo-Uribarri, E.Padilla-Rodal, D.C.Radford, J.C.Batchelder, M.E.Howard, J.F.Liang, B.Manning, R.L.Varner, C.-H.Yu High-precision B(E2) measurements of semi-magic 58, 60, 62, 64Ni by Coulomb excitation NUCLEAR REACTIONS C(58Ni, 58Ni'), (60Ni, 60Ni'), (62Ni, 62Ni'), (64Ni, 64Ni'), E=1.8 MeV/nucleon; measured Eγ, Iγ, γγ-, (scattered Ni particle)γ-coin, (carbon recoils)γ(θ) using CLARION array for γ rays and CsI crystals for particles at HRIBF-ORNL facility. Coulomb excitation. 58,60,62,64Ni; deduced E2 matrix elements for first 2+ to 0+ transitions, B(E2). Comparison with large-basis shell-model calculations, and with other experimental results. Systematics of B(E2) values for first 2+ states in N=28 even-A isotones.
doi: 10.1103/PhysRevC.90.034309
2013KO17 Phys.Rev. C 87, 064612 (2013) Z.Kohley, J.F.Liang, D.Shapira, C.J.Gross, R.L.Varner, J.M.Allmond, J.J.Kolata, P.E.Mueller, A.Roberts Sub-barrier fusion enhancement with radioactive 134Te NUCLEAR REACTIONS 40Ca(134Te, X), [134Te secondary beam from U(p, X) primary reaction], E=535-619 MeV; measured evaporation residue spectra using CSSER system at HRIBF facility, σ(E), time-of-flight, ΔE1-ΔE2 contour plots. Comparison with statistical model using PACE2 computer code. Comparison of σ(E) with those in 40Ca+132Te, 48Ca+132Te, 40Ca+124Te, 48Ca+124Te, 64Ni+130Te, 58Ni+130Te reactions. Positive Q-value neutron transfer (PQNT) channels. Coupled-channel analyses.
doi: 10.1103/PhysRevC.87.064612
2012AL13 Phys.Rev. C 86, 031307 (2012) J.M.Allmond, D.C.Radford, J.Pavan, K.Lagergren, C.Baktash, J.R.Beene, C.R.Bingham, L.Chaturvedi, M.Danchev, D.Fong, A.Galindo-Uribarri, P.A.Hausladen, J.K.Hwang, W.Krolas, J.F.Liang, E.Padilla-Rodal, W.Reviol, D.G.Sarantites, D.Seweryniak, D.Shapira, A.E.Stuchbery, J.P.Urrego-Blanco, R.L.Varner, X.Wang, C.-H.Yu, S.Zhu One-neutron transfer study of 135Te and 137Xe by particle-γ coincidence spectroscopy: The ν1i13/2 state at N=83 NUCLEAR REACTIONS 13C(134Te, 12C), (134Te, 13C'), (134Te, 14C), E=565 MeV; 9Be(134Te, 8Be), E=565 MeV; 13C(136Xe, 12C), E=560 MeV; 9Be(136Xe, 8Be), E=560 MeV; measured Eγ, Iγ, particle spectra, (particle)γ-, (particle)γγ-coin, (12C)γ(θ) using HyBall and Clarion arrays as HRIBF facility in ORNL for 134Te beam, and Gammasphere + Microball arrays at ATLAS facility in ANL for 136Xe beam. 134,135Te, 137Xe; deduced levels, J, π, σ, multipolarity. Comparison of measured σ with DWBA predictions, i13/2 states. Z=50-70, N=82, 83; systematics of energies of first 3-, 7/2- and 13/2+ states for even Z nuclei.
doi: 10.1103/PhysRevC.86.031307
2012GR03 Phys.Rev. C 85, 024319 (2012) C.J.Gross, K.P.Rykaczewski, D.W.Stracener, M.Wolinska-Cichocka, R.L.Varner, D.Miller, C.U.Jost, M.Karny, A.Korgul, S.Liu, M.Madurga Measuring the absolute decay probability of 82Sr by ion implantation RADIOACTIVITY 82Sr(EC)[82Sr beam at 215 MeV from a purchased source]; 82Rb(β+), (EC)[from 82Sr(EC)]; measured absolute Iγ for 776.5-keV γ ray in 82Kr using accelerated radioactive beam technique. Comparison with previous evaluated data. Relevance of 82Sr-82Rb generator in PET imaging.
doi: 10.1103/PhysRevC.85.024319
2012KO18 Phys.Rev. C 85, 054603 (2012) J.J.Kolata, A.Roberts, A.M.Howard, D.Shapira, J.F.Liang, C.J.Gross, R.L.Varner, Z.Kohley, A.N.Villano, H.Amro, W.Loveland, E.Chavez Fusion of 124, 132Sn with 40, 48Ca NUCLEAR REACTIONS 40,48Ca(124Sn, X), (132Sn, X), E(cm)=105-165 MeV; measured evaporation residue spectra, fusion σ(E); deduced reduced fusion σ(E), fusion barriers. Inverse kinematics. Wong model and PACE2 fits. Comparison with time-dependent Hartree-Fock (TDHF) and coupled-channels Born approximation (CCBA) calculations.
doi: 10.1103/PhysRevC.85.054603
2012LI16 Phys.Rev. C 85, 031601 (2012) J.F.Liang, C.J.Gross, Z.Kohley, D.Shapira, R.L.Varner, J.M.Allmond, A.L.Caraley, K.Lagergren, P.E.Mueller Fusion probability for neutron-rich radioactive-Sn-induced reactions NUCLEAR REACTIONS 64Ni(124Sn, X), (126Sn, X), (127Sn, X), (128Sn, X), E=560 MeV; 58Ni(132Sn, X), E=670 MeV; measured time of flight, energy loss, evaporation residue cross sections as function of the compound nucleus excitation energy; deduced fusion probability. Comparison with Statistical model calculations.
doi: 10.1103/PhysRevC.85.031601
2012YA04 Phys.Rev. C 85, 044620 (2012) R.Yanez, W.Loveland, J.Beckerman, M.Leonard, C.J.Gross, D.Shapira, J.F.Liang, Z.Kohley, R.L.Varner Search for inverse fission of uranium NUCLEAR REACTIONS 100Mo(124Sn, X)222U, E=595, 650 MeV; 100Mo (132Sn, X)230U, E=560 MeV; measured Eα, Iα, (ER)α-coin, cross section upper limits; calculated σ(E). 96Zr(124Sn, X), E=200-280 MeV; comparison between measured and predicted σ(E). Statistical model calculations. No evidence for inverse fission.
doi: 10.1103/PhysRevC.85.044620
2011KO44 Phys.Rev.Lett. 107, 202701 (2011) Z.Kohley, J.F.Liang, D.Shapira, R.L.Varner, C.J.Gross, J.M.Allmond, A.L.Caraley, E.A.Coello, F.Favela, K.Lagergren, P.E.Mueller Near-Barrier Fusion of Sn + Ni and Te + Ni Systems: Examining the Correlation between Nucleon Transfer and Fusion Enhancement NUCLEAR REACTIONS 58Ni(132Sn, X), E=515 MeV; 58,64Ni(130Te, X), E=670 MeV; measured reaction products; deduced evaporation residue, fission and fusion σ. Comparison with couple channel calculations.
doi: 10.1103/PhysRevLett.107.202701
2009LI45 Phys.Lett. B 681, 22 (2009) J.F.Liang, J.R.Beene, A.L.Caraley, H.Esbensen, A.Galindo-Uribarri, C.J.Gross, P.E.Mueller, K.T.Schmitt, D.Shapira, D.W.Stracener, R.L.Varner Dynamic polarization in the Coulomb breakup of loosely bound 17F NUCLEAR REACTIONS 58Ni, 208Pb(17F, p), E=10 MeV/nucleon; measured Ep, Ip, (fragment)p-coin, σ(θ) using silicon strip detectors. Comparison with first-order perturbation and dynamical calculations and effect of dynamic polarization discussed.
doi: 10.1016/j.physletb.2009.09.055
2009PA07 Phys.Rev. C 79, 024615 (2009); Erratum Phys.Rev. C 81, 019902 (2010) D.Y.Pang, P.Roussel-Chomaz, H.Savajols, R.L.Varner, R.Wolski Global optical model potential for A = 3 projectiles NUCLEAR REACTIONS 6Li, 27Al, 28Si, 32S, 46Ti, 48Ti, 56Fe, 68Zn(t, t), E=17 MeV; 9Be, 60Ni, 140Ce(t, t), E=15, 17 MeV; 12C(t, t), E=15, 17, 20, 33, 36, 38 MeV; 13C(t, t), E=38 MeV; 14C(t, t), E=71.7 MeV; 16O(t, t), E=33, 36 MeV; 19F, 48Ca, 51V, 89Y(t, t), E=33 MeV; 20Ne, 22Ne(t, t), E=33.4 MeV; 24Mg(t, t), E=15, 33.4 MeV; 26Mg, 30Si(t, t), E=17, 36 MeV; 40Ca(t, t), E=17, 20, 33 MeV; 52Cr, 62Ni(t, t), E=15, 20 MeV; 58Ni, 232Th(t, t), E=17, 33 MeV; 64Ni(t, t), E=20 MeV; 82Se, 86Sr, 87Rb(t, t), E=15 MeV; 90Zr(t, t), E=15, 17, 20 MeV; 94Zr, 116Sn(t, t), E=17, 20 MeV; 96Zr, 118Sn, 122Sn, 124Sn, 182W, 207Pb(t, t), E=20 MeV; 208Pb(t, t), E=20, 33 MeV; 6Li(3He, 3He), E=8-217 MeV; 9Be(3He, 3He), E=4-217 MeV; 12C(3He, 3He), E=11-217 MeV; 13C(3He, 3He), E=450 MeV; 24Mg(3He, 3He), E=12-130 MeV; 27Al(3He, 3He), E=5.5-118.5 MeV; 28Si(3He, 3He), E=450 MeV; 40Ca(3He, 3He), E=8.5-130, 31.0-217, 450 MeV; 58Ni(3He, 3He), E=12-217, 450 MeV; 64Ni(3He, 3He), E=21-118.5 MeV; 90Zr(3He, 3He), E=12-217, 450 MeV; 116Sn(3He, 3He), E=18-109.2 MeV; 120Sn(3He, 3He), E=130 MeV; 208Pb(3He, 3He), E=33.3-217, 450 MeV; analyzed σ(θ) using global optical model potential GDP08; deduced set of global optical potential parameters.
doi: 10.1103/PhysRevC.79.024615
2008LI48 Phys.Rev. C 78, 047601 (2008) J.F.Liang, D.Shapira, C.J.Gross, R.L.Varner, J.R.Beene, P.E.Mueller, D.W.Stracener Fusion of radioactive 132Sn with 64Ni at sub-barrier energies NUCLEAR REACTIONS 64Ni(132Sn, x), E=465 MeV; measured particle spectra, evaporation residues, σ. Comparison with coupled-channel and time-dependent Hartree-Fock calculations. Reanalyzed data at E=453 MeV.
doi: 10.1103/PhysRevC.78.047601
2008VI08 Phys.Rev. C 78, 054608 (2008) A.M.Vinodkumar, W.Loveland, J.J.Neeway, L.Prisbrey, P.H.Sprunger, D.Peterson, J.F.Liang, D.Shapira, C.J.Gross, R.L.Varner, J.J.Kolata, A.Roberts, A.L.Caraley 132Sn+96Zr reaction: A study of fusion enhancement/hindrance NUCLEAR REACTIONS 96Zr(124Sn, X), E(cm)=600 MeV; 96Zr(132Sn, X), E(cm)=192.8-249.1 MeV; calculated σ. Comparison with coupled channels calculations.
doi: 10.1103/PhysRevC.78.054608
2007LI27 Phys.Rev. C 75, 054607 (2007) J.F.Liang, D.Shapira, J.R.Beene, C.J.Gross, R.L.Varner, A.Galindo-Uribarri, J.Gomez del Campo, P.A.Hausladen, P.E.Mueller, D.W.Stracener, H.Amro, J.J.Kolata, J.D.Bierman, A.L.Caraley, K.L.Jones, Y.Larochelle, W.Loveland, D.Peterson Fusion of radioactive 132Sn with 64Ni NUCLEAR REACTIONS 64Ni(132Sn, X), E=453-620 MeV; measured cross sections and angular distributions. Compared results to statistical model calculations.
doi: 10.1103/PhysRevC.75.054607
2007LI82 Eur.Phys.J. Special Topics 150, 35 (2007) J.F.Liang, D.Shapira, C.J.Gross, R.L.Varner, H.Amro, J.R.Beene, J.D.Bierman, A.L.Caraley, A.Galindo-Uribarri, J.Gomez del Campo, P.A.Hausladen, K.L.Jones, J.J.Kolata, Y.Larochelle, W.Loveland, P.E.Mueller, D.Peterson, D.C.Radford, D.W.Stracener Measurements of fusion reactions induced by radioactive 132Sn on 64Ni NUCLEAR REACTIONS 132Sn(64Ni, X), E(cm) < 220 MeV; measured evaporation residue and fission cross sections. Compared results to model calculations.
doi: 10.1140/epjst/e2007-00259-7
2006HA62 Int.J. Mass Spectrom. 251, 119 (2006) P.A.Hausladen, J.R.Beene, A.Galindo-Uribarri, Y.Larochelle, J.F.Liang, P.E.Mueller, D.Shapira, D.W.Stracener, J.Thomas, R.L.Varner, H.Wollnik Opportunistic mass measurements at the Holifield Radioactive Ion Beam Facility ATOMIC MASSES 77,78,79Cu, 83,84,85,86Ge; measured mass excesses. Isotopes produced from 238U(p, F) reaction at beam energy 42 MeV using ISOL method. Proposed technique for measuring mass differences developed at the Holifield Radioactive Ion Beam Facility (HRIBF).
doi: 10.1016/j.ijms.2006.01.020
2006VI10 Phys.Rev.C 74, 064612 (2006) A.M.Vinodkumar, W.Loveland, P.H.Sprunger, D.Peterson, J.F.Liang, D.Shapira, R.L.Varner, C.J.Gross, J.J.Kolata Capture cross sections for the near symmetric 124Sn+96Zr reaction NUCLEAR REACTIONS 96Zr(124Sn, X), E(cm)=195-265 MeV; measured capture-fission σ. Comparison with model predictions.
doi: 10.1103/PhysRevC.74.064612
2005HE08 Nucl.Phys. A750, 175 (2005) P.Heckman, B.B.Back, T.Baumann, M.P.Carpenter, I.Dioszegi, D.J.Hofman, T.L.Khoo, S.Mitsuoka, V.Nanal, T.Pennington, J.P.Seitz, M.Thoennessen, E.Tryggestad, R.L.Varner Temperature and spin dependence of the giant dipole resonance width NUCLEAR REACTIONS 100Mo(17O, xnyp), E=78.8 MeV; 100Mo(18O, xnyp), E=95.0 MeV; measured Eγ, Iγ, (evaporation residue)γ-coin. 117,118Sn deduced GDR widths, temperature and spin dependence features. Comparison with model predictions.
doi: 10.1016/j.nuclphysa.2004.12.065
2005LI55 Eur.Phys.J. A 25, Supplement 1, 239 (2005) J.F.Liang, D.Shapira, C.J.Gross, R.L.Varner, H.Amro, J.R.Beene, J.D.Bierman, A.L.Caraley, A.Galindo-Uribarri, J.Gomez del Campo, P.A.Hausladen, K.L.Jones, J.J.Kolata, Y.Larochelle, W.Loveland, P.E.Mueller, D.Peterson, D.C.Radford, D.W.Stracener Sub-barrier fusion induced by neutron-rich radioactive 132Sn NUCLEAR REACTIONS 64Ni(132Sn, X), E=560 MeV; measured fission fragments and evaporation residues spectra, yields.
doi: 10.1140/epjad/i2005-06-117-x
2005PA23 Phys.Rev.Lett. 94, 122501 (2005) E.Padilla-Rodal, A.Galindo-Uribarri, C.Baktash, J.C.Batchelder, J.R.Beene, R.Bijker, B.A.Brown, O.Castanos, B.Fuentes, J.Gomez del Campo, P.A.Hausladen, Y.Larochelle, A.F.Lisetskiy, P.E.Mueller, D.C.Radford, D.W.Stracener, J.P.Urrego, R.L.Varner, C.-H.Yu B(E2)↑ Measurements for Radioactive Neutron-Rich Ge Isotopes: Reaching the N=50 Closed Shell NUCLEAR REACTIONS C(78Ge, 78Ge'), (80Ge, 80Ge'), E=2.24 MeV/nucleon; 48Ti(82Ge, 82Ge'), E=220 MeV; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 78,80,82Ge deduced excitation B(E2). Systematic trends in B(E2) values discussed.
doi: 10.1103/PhysRevLett.94.122501
2005RA09 Nucl.Phys. A752, 264c (2005) D.C.Radford, C.Baktash, C.J.Barton, J.Batchelder, J.R.Beene, C.R.Bingham, M.A.Caprio, M.Danchev, B.Fuentes, A.Galindo-Uribarri, J.Gomez del Campo, C.J.Gross, M.L.Halbert, D.J.Hartley, P.Hausladen, J.K.Hwang, W.Krolas, Y.Larochelle, J.F.Liang, P.E.Mueller, E.Padilla, J.Pavan, A.Piechaczek, D.Shapira, D.W.Stracener, R.L.Varner, A.Woehr, C.-H.Yu, N.V.Zamfir Coulomb excitation and transfer reactions with rare neutron-rich isotopes NUCLEAR REACTIONS C(126Sn, 126Sn'), (128Sn, 128Sn'), (130Sn, 130Sn'), (132Sn, 132Sn'), (134Sn, 134Sn'), (132Te, 132Te'), (134Te, 134Te'), (136Te, 136Te'), E not given; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 126,128,130,132,134Sn, 132,134,136Te deduced transitions B(E2). 9Be(134Te, 8Be), 13C(134Te, 12C), E not given; measured Eγ, Iγ, γγ-, (particle)γ-coin. 135Te deduced level. Clarion, Hyball arrays.
doi: 10.1016/j.nuclphysa.2005.02.040
2005RA32 Eur.Phys.J. A 25, Supplement 1, 383 (2005) D.C.Radford, C.Baktash, C.J.Barton, J.Batchelder, J.R.Beene, C.R.Bingham, M.A.Caprio, M.Danchev, B.Fuentes, A.Galindo-Uribarri, J.Gomez del Campo, C.J.Gross, M.L.Halbert, D.J.Hartley, P.Hausladen, J.K.Hwang, W.Krolas, Y.Larochelle, J.F.Liang, P.E.Mueller, E.Padilla, J.Pavan, A.Piechaczek, D.Shapira, D.W.Stracener, R.L.Varner, A.Woehr, C.-H.Yu, N.V.Zamfir Coulomb excitation and transfer reactions with neutron-rich radioactive beams NUCLEAR REACTIONS C(126Sn, 126Sn'), (128Sn, 128Sn'), (130Sn, 130Sn'), (132Te, 132Te'), (134Te, 134Te'), (136Te, 136Te'), E not given; measured Eγ, Iγ, γγ-, (particle)γ-coin following projectile Coulomb excitation. 132,134,136Te, 126,128,130Sn deduced excitation B(E2). 9Be(134Te, 8Be), 13C(134Te, 12C), E=4.3 MeV/nucleon; measured Eγ, Iγ, γγ-coin, (particle)γ-coin; deduced single-neutron transfer σ(E). 135Te deduced levels J, π.
doi: 10.1140/epjad/i2005-06-205-y
2005SE03 Nucl.Phys. A750, 245 (2005) J.P.Seitz, B.B.Back, M.P.Carpenter, I.Dioszegi, K.Eisenman, P.Heckman, D.J.Hofman, M.P.Kelly, T.L.Khoo, S.Mitsuoka, V.Nanal, T.Pennington, R.H.Siemssen, M.Thoennessen, R.L.Varner Observation of the hot GDR in neutron-deficient thorium evaporation residues NUCLEAR REACTIONS 176Yb(48Ca, X), E=206, 219, 256, 259 MeV; measured Eγ, Iγ, (evaporation residue)γ-coin, γ-ray multiplicity and sum energy, fusion and evaporation residue σ. 224Th deduced GDR parameters. Comparison with model predictions.
doi: 10.1016/j.nuclphysa.2005.01.015
2005SH44 Nucl.Instrum.Methods Phys.Res. A551, 330 (2005) D.Shapira, J.F.Liang, C.J.Gross, R.L.Varner, H.Amro, C.Harlin, J.J.Kolata, S.Novotny A high-efficiency compact setup to study evaporation residues formed in reactions induced by low-intensity radioactive ion beams NUCLEAR REACTIONS 64Ni(134Sn, X), E(cm) ≈ 150-163 MeV; measured evaporation residue σ.
doi: 10.1016/j.nima.2005.05.079
2005SH54 Eur.Phys.J. A 25, Supplement 1, 241 (2005) D.Shapira, J.F.Liang, C.J.Gross, R.L.Varner, J.R.Beene, A.Galindo-Uribarri, J.Gomez Del Campo, P.E.Mueller, D.W.Stracener, P.A.Hausladen, C.Harlin, J.J.Kolata, H.Amro, W.Loveland, K.L.Jones, J.D.Bierman, A.L.Caraley Measurement of evaporation residue cross sections from reactions with radioactive neutron-rich beams NUCLEAR REACTIONS 64Ni(132Sn, X), (124Sn, X), (134Te, X), E not given; measured evaporation residue σ.
doi: 10.1140/epjad/i2005-06-190-1
2005VA31 Eur.Phys.J. A 25, Supplement 1, 391 (2005) R.L.Varner, J.R.Beene, C.Baktash, A.Galindo-Uribarri, C.J.Gross, J.Gomez del Campo, M.L.Halbert, P.A.Hausladen, Y.Larochelle, J.F.Liang, J.Mas, P.E.Mueller, E.Padilla-Rodal, D.C.Radford, D.Shapira, D.W.Stracener, J.-P.Urrego-Blanco, C.-H.Yu Coulomb excitation measurements of transition strengths in the isotopes 132, 134Sn NUCLEAR REACTIONS 48Ti(132Sn, 132Sn'), E=470-495 MeV; 90Zr(134Sn, 134Sn'), E=400 MeV; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 132,134Sn deduced transitions B(E2).
doi: 10.1140/epjad/i2005-06-128-7
2004BE56 Nucl.Phys. A746, 471c (2004) J.R.Beene, R.L.Varner, C.Baktash, A.Galindo-Uribarri, C.J.Gross, J.Gomez del Campo, M.L.Halbert, P.A.Hausladen, Y.Larochelle, J.F.Liang, J.Mas, P.E.Mueller, E.Padilla-Rodal, D.C.Radford, D.Shapira, D.W.Stracener, J.-P.Urrego-Blanco, C.-H.Yu Coulomb excitation studies of 132, 134Sn NUCLEAR REACTIONS 48Ti(132Sn, 132Sn'), E=470, 495 MeV; 90Zr(134Sn, 134Sn'), E=400 MeV; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 132,134Sn levels deduced excitation B(E2).
doi: 10.1016/j.nuclphysa.2004.09.143
2004LI55 Prog.Theor.Phys.(Kyoto), Suppl. 154, 106 (2004) J.F.Liang, D.Shapira, C.J.Gross, J.R.Beene, J.D.Bierman, A.Galindo-Uribarri, J.Gomez del Campo, P.A.Hausladen, Y.Larochelle, W.Loveland, P.E.Mueller, D.Peterson, D.C.Radford, D.W.Stracener, R.L.Varner Sub-Barrier Fusion Enhancement in Neutron-Rich Radioactive 132Sn on 64Ni NUCLEAR REACTIONS 64Ni(132Sn, X), E(cm)=140-200 MeV; measured evaporation residue excitation function; deduced sub-barrier fusion enhancement.
doi: 10.1143/PTPS.154.106
2004LI71 Nucl.Phys. A746, 103c (2004) J.F.Liang, D.Shapira, C.J.Gross, J.R.Beene, J.D.Bierman, A.Galindo-Uribarri, J.Gomez del Campo, P.A.Hausladen, Y.Larochelle, W.Loveland, P.E.Mueller, D.Peterson, D.C.Radford, D.W.Stracener, R.L.Varner Enhanced evaporation residue cross sections in neutron-rich radioactive 132Sn on 64Ni NUCLEAR REACTIONS 64Ni(132Sn, X), (124Sn, X), E(cm) ≈ 150-200 MeV; measured evaporation residue σ; deduced sub-barrier fusion enhancement for heavier beam. Comparison with previous results, model predictions.
doi: 10.1016/j.nuclphysa.2004.09.057
2004NA03 Nucl.Phys. A731, 153 (2004) V.Nanal, T.L.Khoo, D.J.Hofman, B.B.Back, M.P.Carpenter, I.Dioszegi, K.Eisenman, M.L.Halbert, P.Heckman, A.M.Heinz, D.Henderson, D.Jenkins, M.P.Kelly, F.G.Kondev, T.Lauritsen, C.J.Lister, B.McClintock, S.Mitsuoka, T.Pennington, J.Seitz, R.H.Siemssen, M.Thoennessen, R.J.van Swol, R.L.Varner, P.Wilt, Y.Alhassid Highly Selective Studies of GDR in 164Er NUCLEAR REACTIONS 124Sn(40Ar, xn), E=163, 187 MeV; measured Eγ, Iγ, (recoil)γ-coin. 164Er deduced GDR parameters, angular momentum dependence of strength function.
doi: 10.1016/j.nuclphysa.2003.11.028
2004RA27 Nucl.Phys. A746, 83c (2004) D.C.Radford, C.Baktash, J.R.Beene, B.Fuentes, A.Galindo-Uribarri, J.Gomez del Campo, C.J.Gross, M.L.Halbert, Y.Larochelle, T.A.Lewis, J.F.Liang, J.Mas, P.E.Mueller, E.Padilla, D.Shapira, D.W.Stracener, R.L.Varner, C.-H.Yu, C.J.Barton, M.A.Caprio, D.J.Hartley, N.V.Zamfir Nuclear structure studies with heavy neutron-rich RIBS at the HRIBF NUCLEAR REACTIONS C(126Sn, 126Sn'), (128Sn, 128Sn'), (130Sn, 130Sn'), (132Sn, 132Sn'), (134Sn, 134Sn'), (132Te, 132Te'), (134Te, 134Te'), (136Te, 136Te'), E < 3 MeV/nucleon; measured Eγ, Iγ, (recoil)γ-coin following projectile Coulomb excitation. 126,128,130,132,134Sn, 132,134,136Te deduced excitation B(E2). 9Be(134Te, 8Be), 13C(134Te, 12C), E ≈ 4 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin.
doi: 10.1016/j.nuclphysa.2004.09.056
2004SH28 Phys.Lett. B 596, 54 (2004) A.Shrivastava, Y.Blumenfeld, N.Keeley, T.Zerguerras, T.Aumann, D.Bazin, M.Chromik, G.M.Crawley, T.Glasmacher, K.W.Kemper, F.Marechal, D.J.Morrissey, T.Nakamura, A.Navin, E.C.Pollacco, D.Santonocito, B.M.Sherrill, T.Suomijarvi, M.Thoennessen, E.Tryggestad, R.L.Varner 11Be continuum studied through proton scattering NUCLEAR REACTIONS 1H(11Be, 11Be), (11Be, 11Be'), E=63.7 MeV/nucleon; measured excitation energy spectra, σ(θ). 11Be deduced levels, J, π, configurations.
doi: 10.1016/j.physletb.2004.06.070
2003CA14 Phys.Lett. B 560, 155 (2003) F.Camera, A.Bracco, V.Nanal, M.P.Carpenter, F.Della Vedova, S.Leoni, B.Million, S.Mantovani, M.Pignanelli, O.Wieland, B.B.Back, A.M.Heinz, R.V.F.Janssens, D.Jenkins, T.L.Khoo, F.G.Kondev, T.Lauritsen, C.J.Lister, B.McClintock, S.Mitsuoka, E.F.Moore, D.Seweryniak, R.H.Siemssen, R.J.Van Swol, D.Hofman, M.Thoennessen, K.Eisenman, P.Heckman, J.Seitz, R.Varner, M.Halbert, I.Dioszegi, A.Lopez-Martens Radiative fusion from very symmetric reactions: the giant dipole resonance in the 179Au nucleus NUCLEAR REACTIONS 89Y(90Zr, γ), (90Zr, xnyp), E=352 MeV; measured Eγ, Iγ, (recoil)γ-coin for 0-, 1-, and 2-nucleon evaporation; deduced statistical emission. 179Au deduced excited GDR width. BaF2 detectors, recoil separator.
doi: 10.1016/S0370-2693(03)00403-9
2003HE03 Phys.Lett. B 555, 43 (2003) P.Heckman, D.Bazin, J.R.Beene, Y.Blumenfeld, M.J.Chromik, M.L.Halbert, J.F.Liang, E.Mohrmann, T.Nakamura, A.Navin, B.M.Sherrill, K.A.Snover, M.Thoennessen, E.Tryggestad, R.L.Varner Low-temperature measurement of the giant dipole resonance width NUCLEAR REACTIONS 120Sn(17O, 17O'), E=80 MeV/nucleon; measured particle spectra, Eγ, Iγ, (particle)γ-coin. 120Sn deduced width of GDR built on excited states, influence of thermal shape fluctuations. Comparison with model predictions.
doi: 10.1016/S0370-2693(03)00017-0
2003LI14 Phys.Rev. C 67, 044603 (2003) J.F.Liang, J.R.Beene, A.Galindo-Uribarri, J.Gomez del Campo, C.J.Gross, P.A.Hausladen, P.E.Mueller, D.Shapira, D.W.Stracener, R.L.Varner, J.D.Bierman, H.Esbensen, Y.Larochelle Breakup of 17F on 208Pb near the Coulomb barrier NUCLEAR REACTIONS 208Pb(17F, 16OX), E=98, 120 MeV; measured oxygen particles σ(θ); deduced reaction mechanism features. 208Pb(17F, 17F), E=98, 120 MeV; measured σ(θ). 208Pb(17F, X), E(cm) ≈ 70-120 MeV; calculated fusion σ.
doi: 10.1103/PhysRevC.67.044603
2003LI41 Phys.Rev.Lett. 91, 152701 (2003); Erratum Phys.Rev.Lett. 96, 029903 (2006) J.F.Liang, D.Shapira, C.J.Gross, J.R.Beene, J.D.Bierman, A.Galindo-Uribarri, J.Gomez del Campo, P.A.Hausladen, Y.Larochelle, W.Loveland, P.E.Mueller, D.Peterson, D.C.Radford, D.W.Stracener, R.L.Varner Enhanced Fusion-Evaporation Cross Sections in Neutron-Rich 132Sn on 64Ni NUCLEAR REACTIONS 64Ni(132Sn, X), E=453-560 MeV; measured fusion-evaporation excitation function; deduced sub-barrier enhancement, role of multinucleon transfer. Coupled channels calculation.
doi: 10.1103/PhysRevLett.91.152701
2003SC18 Yad.Fiz. 66, 1199 (2003); Phys.Atomic Nuclei 66, 1163 (2003) R.P.Schmitt, T.Botting, G.G.Chubarian, K.L.Wolf, B.J.Hurst, H.Jabs, M.Hamelin, A.Bacak, Yu.Ts.Oganessian, M.G.Itkis, E.M.Kozulin, N.A.Kondratiev, V.S.Salamatin, I.V.Pokrovsky, F.Hanappe, E.de Goes Brennand, A.Huck, L.Stuttge, E.Liatard, J.Beene, R.Varner, M.Halbert, N.Gan Probing Fission Time Scales with Neutrons and GDR Gamma Rays NUCLEAR REACTIONS 176Yb, 208Pb(16O, F), E=133 MeV; 188Os, 209Bi(α, F), E=104 MeV; measured En, pre-fission neutron multiplicities, GDR associated Eγ, Ig; deduced friction coefficients, fission time scales.
doi: 10.1134/1.1586431
2003TR05 Phys.Rev. C 67, 064309 (2003) E.Tryggestad, T.Baumann, P.Heckman, M.Thoennessen, T.Aumann, D.Bazin, Y.Blumenfeld, J.R.Beene, T.A.Lewis, D.C.Radford, D.Shapira, R.L.Varner, M.Chartier, M.L.Halbert, J.F.Liang Low-lying E1 strength in 20O NUCLEAR REACTIONS 208Pb(18O, 18O'), (20O, 20O'), E=100 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 18,20O deduced levels, J, π, B(E1). Comparison with model predictions.
doi: 10.1103/PhysRevC.67.064309
2002LI34 Phys.Rev. C65, 051603 (2002) J.F.Liang, J.R.Beene, H.Esbensen, A.Galindo-Uribarri, J.Gomez del Campo, C.J.Gross, M.L.Halbert, P.E.Mueller, D.Shapira, D.W.Stracener, I.J.Thompson, R.L.Varner Elastic Scattering and Breakup of 17F at 10 MeV/nucleon NUCLEAR REACTIONS 208Pb(17F, 17F), (17F, 16O), E=170 MeV; measured σ(θ); deduced reaction mechanism features. Comparison with optical model predictions.
doi: 10.1103/PhysRevC.65.051603
2002TR11 Phys.Lett. 541B, 52 (2002) E.Tryggestad, T.Aumann, T.Baumann, D.Bazin, J.R.Beene, Y.Blumenfeld, B.A.Brown, M.Chartier, M.L.Halbert, P.Heckman, J.F.Liang, D.C.Radford, D.Shapira, M.Thoennessen, R.L.Varner Low-Lying Dipole Strength in 20O NUCLEAR REACTIONS 208Pb(18O, 18O'), (20O, 20O'), E=100 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 18,20O deduced levels, J, π, excitation B(E1), B(E2). Comparison with shell model predictions.
doi: 10.1016/S0370-2693(02)02224-4
2001BR17 Nucl.Phys. A688, 659 (2001) M.E.Brandan, A.Menchaca-Rocha, L.Trache, H.L.Clark, A.Azhari, C.A.Gagliardi, Y.-W.Lui, R.E.Tribble, R.L.Varner, J.R.Beene, G.R.Satchler Refractive Elastic Scattering of 16O by 12C at 300 MeV NUCLEAR REACTIONS 12C(16O, 16O), (16O, 12C), E=300 MeV; measured σ(θ); deduced optical model parameters, potential characteristics. Airy structure, nuclear rainbow.
doi: 10.1016/S0375-9474(00)00588-1
2001CH46 Phys.Lett. 510B, 24 (2001) M.Chartier, J.R.Beene, B.Blank, L.Chen, A.Galonsky, N.Gan, K.Govaert, P.G.Hansen, J.Kruse, V.Maddalena, M.Thoennessen, R.L.Varner Identification of the 10Li Ground State NUCLEAR REACTIONS 9Be(11Be, X)8Li/9Li/10Be, E=46 MeV/nucleon; measured Eγ, Iγ, (fragment)γ-coin. 10Li deduced ground-state configuration.
doi: 10.1016/S0370-2693(01)00602-5
2001GA18 Nucl.Phys. A682, 363c (2001) A.Galindo-Uribarri, J.Gomez del Campo, J.R.Beene, C.J.Gross, M.L.Halbert, J.F.Liang, S.D.Paul, D.Shapira, D.W.Stracener, R.L.Varner, E.Chavez, M.E.Ortiz Study of Resonant Reactions with Radioactive Ion Beams and Observation of Simultaneous 2p Emission NUCLEAR REACTIONS 1H(17F, pX), E=44 MeV; measured proton spectra, pp-coin, angular correlations, excitation functions. 18Ne deduced two-proton emitting state.
doi: 10.1016/S0375-9474(00)00661-8
2001GO01 Phys.Rev.Lett. 86, 43 (2001) J.Gomez del Campo, A.Galindo-Uribarri, J.R.Beene, C.J.Gross, J.F.Liang, M.L.Halbert, D.W.Stracener, D.Shapira, R.L.Varner, E.Chavez-Lomeli, M.E.Oritz Decay of a Resonance in 18Ne by the Simultaneous Emission of Two Protons NUCLEAR REACTIONS 1H(17F, p), (17F, 2p), E=33, 44 MeV; measured proton spectra, pp-coin, angular correlations, excitation functions. 18Ne level deduced simultaneous two proton decay, resonance partial and total widths. Various decay mechanisms discussed.
doi: 10.1103/PhysRevLett.86.43
2001HE17 Nucl.Phys. A687, 225c (2001) P.Heckman, D.Bazin, J.R.Beene, Y.Blumenfeld, M.J.Chromik, M.L.Halbert, J.F.Liang, E.Mohrmann, T.Nakamura, A.Navin, B.M.Sherrill, K.A.Snover, M.Thoennessen, E.Tryggestad, R.L.Varner Temperature Dependence of the GDR Width in 120Sn NUCLEAR REACTIONS 120Sn(17O, 17O'), E=80 MeV/nucleon; measured Eγ, (recoil)γ-coin, excitation energy spectra, preliminary GDR parameters. Comparison with α-induced reaction data.
doi: 10.1016/S0375-9474(01)00625-X
2001TR10 Nucl.Phys. A687, 231c (2001) E.Tryggestad, T.Aumann, D.Bazin, J.R.Beene, Y.Blumenfeld, M.Chartier, M.L.Halbert, P.Heckman, J.F.Liang, D.C.Radford, D.Shapira, B.M.Sherrill, M.Thoennessen, R.L.Varner Dipole Strength Function in 20O NUCLEAR REACTIONS 208Pb(20O, 20O'), E=100 MeV/nucleon; measured Eγ, (recoil)γ-coin following projectile Coulomb excitation. 20O deduced transitions.
doi: 10.1016/S0375-9474(01)00626-1
2001VA18 Nucl.Phys. A687, 140c (2001) R.L.Varner, J.R.Beene, M.Chartier, J.F.Liang, D.Shapira, D.Bazin, B.Blank, B.Sherrill, M.Thoennessen, P.A.DeYoung, G.F.Peaslee Excitation of the Isovector Giant Quadrupole Resonance in 208Pb by Coulomb Inelastic Scattering NUCLEAR REACTIONS 90Zr, 208Pb(17O, 17O'), (36Ar, 36Ar'), E=150 MeV/nucleon; measured inelastic scattering σ, inelastic excitation yield, isovector giant quadrupole resonance, GDR features.
doi: 10.1016/S0375-9474(01)00613-3
2000GA50 Nucl.Instrum.Methods Phys.Res. B172, 647 (2000) A.Galindo-Uribarri, J.Gomez del Campo, J.R.Beene, C.J.Gross, J.F.Liang, S.D.Paul, D.Shapira, D.W.Stracener, R.L.Varner, E.Chavez, A.Huerta, M.E.Oritz, E.Padilla, S.Pascual Study of Resonant Reactions with Radioactive Ion Beams NUCLEAR REACTIONS 1H(17O, p), E=14, 20, 33 MeV; 1H(17F, p), E=33 MeV; measured recoil proton spectra, σ(E, θ); deduced resonance features. Thick targets.
doi: 10.1016/S0168-583X(00)00220-2
2000LI38 Phys.Lett. 491B, 23 (2000) J.F.Liang, J.R.Beene, H.Esbensen, A.Galindo-Uribarri, J.Gomez del Campo, C.J.Gross, M.L.Halbert, P.E.Mueller, D.Shapira, D.W.Stracener, R.L.Varner Breakup of Weakly Bound 17F Well Above the Coulomb Barrier NUCLEAR REACTIONS 208Pb(17F, p16O), E=170 MeV; measured σ, fragments angular correlations, proton spectra; deduced breakup mechanism. Comparison with model predictions.
doi: 10.1016/S0370-2693(00)01016-9
2000SH11 Phys.Rev. C61, 044612 (2000) N.P.Shaw, I.Dioszegi, I.Mazumdar, A.Buda, C.R.Morton, J.Velkovska, J.R.Beene, D.W.Stracener, R.L.Varner, M.Thoennessen, P.Paul Nuclear Viscosity of Hot Rotating 240Cf NUCLEAR REACTIONS 208Pb(32S, X), E=180-285 MeV; measured total fusion σ, Eγ, Iγ, fragment mass distributions following compound nucleus fission. 240Cf deduced dissipation coefficient, temperature and deformation effects. Statistical model calculations.
doi: 10.1103/PhysRevC.61.044612
1999LI32 Nucl.Instrum.Methods Phys.Res. A435, 393 (1999) J.F.Liang, D.Shapira, J.R.Beene, J.D.Bierman, A.Galindo-Uribarri, J.Gomez del Campo, C.J.Gross, M.L.Halbert, T.J.Harding, A.I.D.Macnab, S.P.McNeal, R.L.Varner, K.Zhao Detection of Fusion Residues Produced by Inverse Kinematic Reactions using a Gas-Filled Split-Pole Spectrograph NUCLEAR REACTIONS 197Au(70Ge, 70Ge), E=250 MeV; measured charge state distribution. 50Ti(75As, X), E=242, 265 MeV; measured evaporation residues energy, σ(θ). Gas-filled spectrograph, position sensitive detector.
doi: 10.1016/S0168-9002(99)00660-9
1998BA37 Nucl.Phys. A635, 428 (1998) T.Baumann, E.Ramakrishnan, A.Azhari, J.R.Beene, R.J.Charity, J.F.Dempsey, M.L.Halbert, P.-F.Hua, R.A.Kryger, P.E.Mueller, R.Pfaff, D.G.Sarantites, L.G.Sobotka, D.W.Stracener, M.Thoennessen, G.Van Buren, R.L.Varner, S.Yokoyama Evolution of the Giant Dipole Resonance in Excited 120Sn and 208Pb Nuclei Populated by Inelastic Alpha Scattering NUCLEAR REACTIONS 120Sn(α, α'), E=40, 50 MeV/nucleon; 208Pb(α, α'), E=40 MeV/nucleon; measured Eγ, Iγ, Eα, Iα, αγ-coin. 120Sn, 208Pb deduced GDR width vs temperature, shape effects. Adiabatic coupling model.
doi: 10.1016/S0375-9474(98)00197-3
1997MO30 J.Phys.(London) G23, 1383 (1997) C.R.Morton, A.Buda, P.Paul, N.P.Shaw, J.R.Beene, N.Gan, M.L.Halbert, D.W.Stracener, R.L.Varner, M.Thoennessen, P.Thirolf, I.Dioszegi Fission Dynamics using the Decay of the Giant Dipole Resonance NUCLEAR REACTIONS W, 208Pb(32S, F), E=180-245 MeV; measured Eγ, Iγ, fission(fragment)γ(θ); deduced GDR channel effects. Modified CASCADE calculations.
doi: 10.1088/0954-3899/23/10/028
1996RA15 Nucl.Phys. A599, 49c (1996) E.Ramakrishnan, T.Baumann, A.Azhari, R.A.Kryger, R.Pfaff, M.Thoennessen, S.Yokoyama, J.R.Beene, M.L.Halbert, P.E.Mueller, D.W.Stracener, R.L.Varner, G.Van Buren, R.J.Charity, J.F.Dempsey, P.-F.Hua, D.G.Sarantites, L.G.Sobotka Giant Dipole Resonance in Excited 120Sn and 208Pb Nuclei Populated by Inelastic Alpha Scattering NUCLEAR REACTIONS 120Sn(α, α'), (α, X), E=40, 50 MeV/nucleon; 208Pb(α, α'), (α, X), E=40 MeV/nucleon; measured αγ-coin. 120Sn, 208Pb deduced GDR width vs excitation.
doi: 10.1016/0375-9474(96)00046-2
1996RA20 Phys.Rev.Lett. 76, 2025 (1996) E.Ramakrishnan, T.Baumann, A.Azhari, R.A.Kryger, R.Pfaff, M.Thoennessen, S.Yokoyama, J.R.Beene, M.L.Halbert, P.E.Mueller, D.W.Stracener, R.L.Varner, R.J.Charity, J.F.Dempsey, D.G.Sarantites, L.G.Sobotka Giant Dipole Resonance Built on Highly Excited States of 120Sn Nuclei Populated by Inelastic α Scattering NUCLEAR REACTIONS 120Sn(α, α'), E=40, 50 MeV/nucleon; measured γα-coin. 120Sn deduced GDR built on highly excited states, width.
doi: 10.1103/PhysRevLett.76.2025
1996RA36 Phys.Lett. 383B, 252 (1996) E.Ramakrishnan, A.Azhari, J.R.Beene, R.J.Charity, M.L.Halbert, P.-F.Hua, R.A.Kryger, P.E.Mueller, R.Pfaff, D.G.Sarantites, L.G.Sobotka, M.Thoennessen, G.Van Buren, R.L.Varner, S.Yokoyama Temperature Dependence of the Giant Dipole Resonance Width in 208Pb NUCLEAR REACTIONS 208Pb(α, α'), E=40 MeV/nucleon; measured α-spectra, γγ-coin. 208Pb deduced GDR width temperature dependence.
doi: 10.1016/0370-2693(96)00746-0
1995TH03 Phys.Rev. C51, 3148 (1995) M.Thoennessen, E.Ramakrishnan, J.R.Beene, F.E.Bertrand, M.L.Halbert, D.J.Horen, P.E.Mueller, R.L.Varner Dynamical Effects in Fusion Reactions Forming 110Sn NUCLEAR REACTIONS 92Mo(18O, X), E=72 MeV; 60Ni(50Ti, X), E=163 MeV; measured Eγ, Iγ; deduced entrance channel effects, fusion reactions dissipation timescale. 110Sn deduced GDR decay features, Γ, time dependence of deformation, shape. Dissipative dynamics calculations.
doi: 10.1103/PhysRevC.51.3148
1995WE10 Phys.Rev. C52, 2559 (1995) S.P.Wells, S.W.Wissink, A.D.Bacher, G.P.A.Berg, S.M.Bowyer, S.Chang, W.A.Franklin, J.Liu, E.J.Stephenson, J.R.Beene, F.E.Bertrand, M.L.Halbert, P.E.Mueller, D.H.Olive, D.W.Stracener, R.L.Varner, J.Lisantti, K.H.Hicks Simultaneous Measurements of (p(pol), p(pol)') and (p(pol), p'γ) Observables for the 15.11 MeV, 1+, T = 1 State in 12C at 200 MeV NUCLEAR REACTIONS 12C(polarized p, p'), (polarized p, p'γ), E=200 MeV; measured protons yields, p(γ)(θ), spin-dependent yields, proton polarization, other observables; deduced polarization transfer coefficients, p-gamma spin asymmetries, other polarization observables.
doi: 10.1103/PhysRevC.52.2559
1994GA02 Phys.Rev. C49, R584 (1994) L.Gallamore, D.G.Sarantites, R.J.Charity, N.G.Nicolis, L.G.Sobotka, J.R.Beene, M.L.Halbert, R.L.Varner Estimation of the Time Scale of Last Chance Alpha Emission using an ' Atomic Clock ' NUCLEAR REACTIONS 100Mo(60Ni, X), E=250 MeV; measured γ(X-ray)-coin, E X-ray, I X-ray, Eα, Iα; deduced K-vacancy filling before α-emission from 160Yb. 160Yb deduced last chance α-emission time scale. Atomic clock technique.
doi: 10.1103/PhysRevC.49.R584
1994MU03 Nucl.Phys. A569, 123c (1994) P.E.Mueller, J.R.Beene, F.E.Bertrand, M.L.Halbert, D.H.Olive, R.L.Varner, B.Sherrill, M.Thoennessen, P.Lautridou, F.Lefevre, M.Marques, T.Matulewicz, W.Mittig, R.Ostendorf, P.Roussel-Chomaz, Y.Schutz, J.van Pol, H.W.Wilschut, J.Diaz, J.L.Ferrero, A.Marin Heavy Ion Coulomb Excitation and Gamma Decay Studies of the One and Two Phonon Giant Dipole Resonances in 208Pb and 208Bi NUCLEAR REACTIONS 208Pb, 209Bi(64Zn, 64Zn'), E=80 MeV/nucleon; measured γ(64Zn)-coin following Coulomb excitation; deduced target, projectile GDR excitation features.
doi: 10.1016/0375-9474(94)90102-3
1994VA36 Phys.Lett. 341B, 123 (1994) Where are Pion Inelastic Interactions with Nuclei Localized ( Question ) NUCLEAR REACTIONS 208Pb(π+, π+'), (π-, π-'), E=162 MeV; calculated σ(θ); deduced transition density dependence, localization features.
doi: 10.1016/0370-2693(94)90299-2
1993HO02 Phys.Rev. C47, 629 (1993) D.J.Horen, R.L.Auble, J.Gomez del Campo, G.R.Satchler, R.L.Varner, J.R.Beene, B.Lund, V.R.Brown, P.L.Anthony, V.A.Madsen Systematics of Isospin Character of Transitions to the 2+1 and 3-1 States in 90,92,94,96Zr NUCLEAR REACTIONS 90,92,94,96Zr(6Li, 6Li), (6Li, 6Li'), E=70 MeV; measured σ(θ); deduced model parameters. 90,92,94,96Zr levels deduced B(λ), neutron, proton matrix element ratio. Deformed optical model, folding model analyses.
doi: 10.1103/PhysRevC.47.629
1992CH33 Phys.Rev. C46, 1951 (1992) R.J.Charity, J.Barreto, L.G.Sobotka, D.G.Sarantites, D.W.Stracener, A.Chbihi, N.G.Nicolis, R.Auble, C.Baktash, J.R.Beene, F.Bertrand, M.Halbert, D.C.Hensley, D.J.Horen, C.Ludemann, M.Thoennessen, R.Varner Mechanism for the Disassembly of Excited 16O Projectiles into Four Alpha Particles NUCLEAR REACTIONS 159Tb(16O, 16O'X), E=25 MeV/nucleon; measured α-, light charged particle spectra; deduced projectile 4α-decay mechanism. 4π counter.
doi: 10.1103/PhysRevC.46.1951
1992HO12 Phys.Lett. 296B, 18 (1992) D.J.Horen, R.L.Auble, J.Gomez del Campo, R.L.Varner, J.R.Beene, G.R.Satchler, B.Lund, V.R.Brown, P.L.Anthony, V.A.Madsen Different Effects of Valence Neutrons on the Isospin Character of Transitions to the First 2+ and 3- States of 90,92,94,96Zr NUCLEAR REACTIONS 90,92,94,96Zr(6Li, 6Li'), E=70 MeV; measured σ(θ). 90,92,94,96Zr levels deduced neutron, proton matrix element ratio.
doi: 10.1016/0370-2693(92)90797-8
1992TH05 Phys.Lett. 282B, 288 (1992) M.Thoennessen, J.R.Beene, F.E.Bertrand, C.Baktash, M.L.Halbert, D.J.Horen, D.C.Hensley, D.G.Sarantites, W.Spang, D.W.Stracener, R.L.Varner Large Deformation in A ≈ 170 Nuclei at High Excitation Energies NUCLEAR REACTIONS 159Tb(16O, X), (16O, F), E=160 MeV; measured γ(evaporation residue)-, fission(fragment)γ-coin. 175Ta deduced GDR splitting, deformation.
doi: 10.1016/0370-2693(92)90640-P
1991HO13 Phys.Rev. C44, 128 (1991) D.J.Horen, R.L.Auble, J.R.Beene, F.E.Bertrand, M.L.Halbert, G.R.Satchler, M.Thoennessen, R.L.Varner, V.R.Brown, P.L.Anthony, V.A.Madsen Isospin Character of Transitions to Bound States in 204,206,208Pb using Inelastic Scattering of 17O Ions NUCLEAR REACTIONS 204,206,208Pb(17O, 17O'), E=375 MeV; measured σ(θ); deduced optical model parameters. 204,206,208Pb levels deduced B(λ), neutron, proton matrix element ratio. Enriched targets. DWBA analysis. NUCLEAR STRUCTURE 204,206,208Pb; calculated B(λ), neutron, proton matrix element ratio. RPA method.
doi: 10.1103/PhysRevC.44.128
1991VA14 Phys.Rep. 201, 57 (1991) R.L.Varner, W.J.Thompson, T.L.McAbee, E.J.Ludwig, T.B.Clegg A Global Nucleon Optical Model Potenital
doi: 10.1016/0370-1573(91)90039-O
1990AU02 Phys.Rev. C41, 2620 (1990) R.L.Auble, J.R.Beene, F.E.Bertrand, J.L.Blankenship, D.J.Horen, J.Lisantti, R.L.Varner, A.D'Onofrio Excitation and Fission Decay of 238U Using the (17O, 17O') Reaction NUCLEAR REACTIONS 238U(17O, 17O'F), E=375 MeV; measured σ(θ), fission (fragment)17O'(θ). 238U deduced GQR resonance parameters, fission probability.
doi: 10.1103/PhysRevC.41.2620
1990MO09 Phys.Rev.Lett. 64, 1999 (1990) H.P.Morsch, W.Spang, J.R.Beene, F.E.Bertrand, R.L.Auble, J.L.Charvet, M.L.Halbert, D.C.Hensley, I.Y.Lee, R.L.Varner, D.G.Sarantites, D.W.Stracener Thermal and Angular Momentum Effects in the Giant-Dipole-Resonance Decay of Hot Rare-Earth Nuclei NUCLEAR REACTIONS 159Tb(16O, X), E=300, 400 MeV; measured γ(fragment recoil)-coin; deduced GDR decay. Hot rare-earth nuclei.
doi: 10.1103/PhysRevLett.64.1999
1988BE15 Nucl.Phys. A482, 407c (1988) J.R.Beene, R.L.Varner, F.E.Bertrand Gamma Decay of Isoscalar and Isovector Giant Resonances following Heavy-Ion Inelastic Scattering NUCLEAR REACTIONS 208Pb(17O, 17O'), E=84 MeV/nucleon; 90Zr(17O, 17O'), E=22 MeV/nucleon; measured σ(θγ, θ(17O')) vs excitation energy. 208Pb levels deduced γ-branching, isovector quadrupole transition strength.
doi: 10.1016/0375-9474(88)90600-8
1987BE03 Phys.Rev.Lett. 58, 455 (1987) M.Beckerman, R.L.Auble, F.E.Bertrand, J.L.Blankenship, B.L.Burks, C.W.Glover, R.O.Sayer, G.R.Satchler, D.Shapira, R.L.Varner Quasielastic Transfer of a Neutron between 58Ni and 208Pb at Bombarding Energies of 598 and 1011 MeV NUCLEAR REACTIONS 208Pb(58Ni, 59Ni), (58Ni, 57Ni), E=598, 1011 MeV; measured σ(E(59Ni)), σ(E(57Ni)), σ(θ). Enriched targets, tof. DWBA analyses.
doi: 10.1103/PhysRevLett.58.455
1987BE23 Phys.Rev. C36, 657 (1987) M.Beckerman, R.L.Auble, F.E.Bertrand, J.L.Blankenship, B.L.Burks, M.A.G.Fernandes, C.W.Glover, E.E.Gross, D.J.Horen, R.O.Sayer, G.R.Satchler, D.Shapira, Y.Sugiyama, R.L.Varner Elastic and Inelastic Scattering of 58Ni + 208Pb at Bombarding Energies from 598 to 1011 MeV NUCLEAR REACTIONS 208Pb(58Ni, 58Ni), (58Ni, 58Ni'), E=598-1011 MeV; measured σ(E), σ(θ). 208Pb, 58Ni levels deduced B(E2), Coulomb deformation constants. Optical model, DWBA, coupled-channels calculations.
doi: 10.1103/PhysRevC.36.657
1987VA01 Phys.Lett. 185B, 6 (1987) R.L.Varner, T.B.Clegg, T.L.McAbee, W.J.Thompson Global Parameterization of the Nucleon-Nucleus Scattering Potential NUCLEAR REACTIONS 40Ca, 54Fe, 58,60Ni, 65Cu, 116,120Sn, 208Pb(n, n), (polarized n, n), E=10-26 MeV; 114,112Cd, 116,118,120,122Sn(p, p), (polarized p, p), E=16-65 MeV; 60,62,64Ni, 89Y, 90Zr(p, p), (polarized p, p), E=65 MeV; analyzed σ(θ), analyzing power data; deduced new optical potential parameters.
doi: 10.1016/0370-2693(87)91518-8
1987VA31 Phys.Rev. C36, 1865 (1987) S.P.Van Verst, D.P.Sanderson, K.W.Kemper, D.Shapira, R.L.Varner, B.Shivakumar Sequential Breakup Cross Section of 6Li by 40Ca NUCLEAR REACTIONS, MECPD 6Li(40Ca, 40Ca'), E=227 MeV; 40Ca(6Li, 6Li), (6Li, 6Li'), E=34 MeV; measured σ(θ); deduced projectile excitation, breakup characteristics, channel coupling effects, model parameters. DWBA, coupled-channels analyses.
doi: 10.1103/PhysRevC.36.1865
1986BU18 Phys.Rev. C34, 2316 (1986) B.L.Burks, R.L.Varner, E.J.Ludwig Q-Value Determination for the 80Kr(d, p)81Kr Reaction NUCLEAR REACTIONS 80Kr(d, p), E=11 MeV; measured σ(Ep); deduced Q. 80Kr deduced mass excess. Ion implanted foil target.
doi: 10.1103/PhysRevC.34.2316
1985BU14 Nucl.Phys. A442, 300 (1985) B.L.Burks, R.E.Anderson, T.B.Clegg, E.J.Ludwig, R.L.Varner Spins and Parities of Low-Lying States in 81Kr from the 80Kr(d(pol), p)81Kr Reaction and Implications for a 81Br Solar Neutrino Detector NUCLEAR REACTIONS 80Kr(polarized d, p), (polarized d, d), E=11 MeV; 80Kr(polarized p, p), E=16 MeV; measured σ(θ), A(θ). 81Kr levels deduced J, π, S. Enriched gas, ion-implanted foil target. Optical model, DWBA analyses.
doi: 10.1016/0375-9474(85)90147-2
1984BU23 Phys.Rev. C30, 742 (1984) B.L.Burks, R.E.Anderson, Y.Aoki, B.C.Karp, E.J.Ludwig, W.J.Thompson, R.L.Varner 81Kr-81Br Ground-State Mass Difference and Implications for Calibration of a 81Br Solar Neutrino Detector NUCLEAR REACTIONS 82Kr(d, t), (d, 3He), E=17 MeV; measured σ(Et), σ(E(3He)); deduced Q-value difference. 81Kr, 81Br deduced mass difference.
doi: 10.1103/PhysRevC.30.742
1984DE01 Nucl.Phys. A414, 113 (1984) J.P.Delaroche, R.L.Varner, T.B.Clegg, R.E.Anderson, B.L.Burks, E.J.Ludwig, J.F.Wilkerson Structure of Low-Lying States of 76,78,80,82Se Deduced from (p(pol), p') Scattering at 16 MeV NUCLEAR REACTIONS 76,78,80,82Se(polarized p, p), (polarized p, p'), E=16 MeV; measured σ(θ), A(θ). 76,78,80,82Se deduced deformation parameters. Coupled-channels calculations.
doi: 10.1016/0375-9474(84)90500-1
1984HA22 Nucl.Phys. A419, 45 (1984) M.Haller, W.Kretschmer, R.E.Anderson, B.L.Burks, T.B.Clegg, E.J.Ludwig, R.L.Varner, J.F.Wilkerson Investigation of the Reactions 58Ni(d, α)56Co and 50Ti(d, α)48Sc with Vector and Tensor Polarized Deuterons NUCLEAR REACTIONS 58Ni, 50Ti(d, α), E=16 MeV; measured σ(θ), relative vector, tensor analyzing power vs θ. 56Co, 48Sc levels deduced L-transfer, J, π. DWBA analysis.
doi: 10.1016/0375-9474(84)90284-7
1982BU03 Phys.Rev. C25, 1168 (1982) B.L.Burks, R.E.Anderson, T.B.Clegg, H.Paetz gen.Schieck, E.J.Ludwig, R.L.Varner, J.F.Wilkerson Test of the Polarization-Analyzing Power Equality in Two (p(pol), d) Reactions and Their Inverses NUCLEAR REACTIONS 11B(polarized p, d), E=11.34-11.94 MeV; 13C(polarized p, d), E=13.79-14.39 MeV; measured analyzing power vs E, θ; deduced no definitive time-reversal invariance violation.
doi: 10.1103/PhysRevC.25.1168
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