NSR Query Results
Output year order : Descending NSR database version of April 25, 2024. Search: Author = P.Santi Found 30 matches. 2011PE34 J.Phys.:Conf.Ser. 312, 042019 (2011) J.Pereira, A.Aprahamian, O.Arndt, A.Becerril, T.Elliot, A.Estrade, D.Galaviz, S.Hennrich, P.Hosmer, R.Kessler, K.-L.Kratz, G.Lorusso, P.F.Mantica, M.Matos, F.Montes, B.Pfeiffer, M.Quinn, P.Santi, H.Schatz, F.Schertz, L.Schnorrenberger, E.Smith, A.Stolz, W.B.Walters, A.Wohr β-decay measurements of A simeq 70 ≈ 110 r-process nuclei at the National Superconducting Cyclotron Laboratory RADIOACTIVITY 106,107,108,109Nb, 108,109,110,111Mo(β-); compiled T1/2; calculated T1/2, Solar system r-process abundances using new T1/2.
doi: 10.1088/1742-6596/312/4/042019
2010HO12 Phys.Rev. C 82, 025806 (2010) P.Hosmer, H.Schatz, A.Aprahamian, O.Arndt, R.R.C.Clement, A.Estrade, K.Farouqi, K.-L.Kratz, S.N.Liddick, A.F.Lisetskiy, P.F.Mantica, P.Moller, W.F.Mueller, F.Montes, A.C.Morton, M.Ouellette, E.Pellegrini, J.Pereira, B.Pfeiffer, P.Reeder, P.Santi, M.Steiner, A.Stolz, B.E.Tomlin, W.B.Walters, A.Wohr Half-lives and branchings for β-delayed neutron emission for neutron-rich Co-Cu isotopes in the r-process RADIOACTIVITY 73,74,75Co, 75,76,77,78Ni, 76,77,78,79,80Cu, 79,80,81Zn, 81,82Ga(β-), (β-n)[from Be(86Kr, X), E=140 MeV/nucleon]; measured β spectra, βn-coin, neutron spectra, half-lives, delayed neutron-emission probabilities; calculated half-lives, P(n) using QRPA, CQRPA and OXBASH shell model. Discussed effects on various types of models for the rapid neutron-capture process (r-process) in nucleosynthesis. A=1-210; calculated abundances with classical r-process and HEW models using known decay data. 78Ni(β-); calculated Gamow-Teller strengths, effect on abundances.
doi: 10.1103/PhysRevC.82.025806
2009ST28 Eur.Phys.J. A 42, 407 (2009) I.Stefanescu, W.B.Walters, P.F.Mantica, B.A.Brown, A.D.Davies, A.Estrade, P.T.Hosmer, N.Hoteling, S.N.Liddick, W.D.M.Rae, T.J.Mertzimekis, F.Montes, A.C.Morton, W.F.Mueller, M.Ouellette, E.Pellegrini, P.Santi, D.Seweryniak, H.Schatz, J.Shergur, A.Stolz, J.R.Stone, B.E.Tomlin Spectroscopy of exotic 121, 123, 125Ag produced in fragmentation reactions NUCLEAR REACTIONS 9Be(136Xe, X)121Pd/123Ag/125Ag, E=120 MeV/nucleon; measured Eγ, Iγ, γγ-, (fragment)γ-coin. 121,123,125Ag; deduced levels, J, π, T1/2. Comparison with shell model and systematics. RADIOACTIVITY 121Pd(β-) [from 9Be(136Xe, X), E=120 MeV/nucleon]; measured Eγ, Iγ, γγ-, (fragment)γ-coin. 121Ag; deduced levels, J, π. Comparison with shell model and systematics.
doi: 10.1140/epja/i2008-10754-7
2008PE17 Nucl.Phys. A805, 470c (2008) J.Pereira, A.Aprahamian, O.Arndt, A.Becerril, T.Elliot, A.Estrade, D.Galaviz, S.Hennrich, P.Hosmer, L.Schnorrenberger, R.Kessler, K.-L.Kratz, G.Lorusso, P.F.Mantica, M.Matos, F.Montes, B.Pfeiffer, M.Quinn, P.Santi, H.Schatz, F.Schertz, E.Smith, B.E.Tomlin, W.B.Walters, A.Wohr β-decay studies of r-process nuclei at NSCL
doi: 10.1016/j.nuclphysa.2008.02.268
2008SA24 Nucl.Sci.Eng. 160, 190 (2008) Reevaluation of Prompt Neutron Emission Multiplicity Distributions for Spontaneous Fission RADIOACTIVITY 232Th, 236,238U, 236,238,240,242,244Pu, 242,244,246,248,250Cm, 249Bk, 246,249,250,252,254Cf, 253Es, 244,246,254,256,257Fm, 252No(SF); analyzed prompt neutron emission probabilities.
doi: 10.13182/NSE07-85
2006MO07 Phys.Rev. C 73, 035801 (2006) F.Montes, A.Estrade, P.T.Hosmer, S.N.Liddick, P.F.Mantica, A.C.Morton, W.F.Mueller, M.Ouellette, E.Pellegrini, P.Santi, H.Schatz, A.Stolz, B.E.Tomlin, O.Arndt, K.-L.Kratz, B.Pfeiffer, P.Reeder, W.B.Walters, A.Aprahamian, A.Wohr β-decay half-lives and β-delayed neutron emission probabilities for neutron rich nuclei close to the N = 82 r-process path RADIOACTIVITY 114,115Tc, 114,115,116,117,118Ru, 116,117,118,119,120,121Rh, 119,120,121,122,123,124Pd, 121,122,123,124Ag(β-) [from Be(136Xe, X)]; measured T1/2. 116,117,118,119,120Rh, 121,122,123Pd, 122,123,124Ag(β-n); measured β-delayed neutron emission probability. Astrophysical implications discussed.
doi: 10.1103/PhysRevC.73.035801
2005HO08 Phys.Rev.Lett. 94, 112501 (2005) P.T.Hosmer, H.Schatz, A.Aprahamian, O.Arndt, R.R.C.Clement, A.Estrade, K.-L.Kratz, S.N.Liddick, P.F.Mantica, W.F.Mueller, F.Montes, A.C.Morton, M.Ouellette, E.Pellegrini, B.Pfeiffer, P.Reeder, P.Santi, M.Steiner, A.Stolz, B.E.Tomlin, W.B.Walters, A.Wohr Half-Life of the Doubly Magic r-Process Nucleus 78Ni RADIOACTIVITY 75,76,77,78Ni, 77,78Cu(β-) [from Be(86Kr, X)]; measured T1/2. Astrophysical implications discussed.
doi: 10.1103/PhysRevLett.94.112501
2005MO30 Nucl.Phys. A758, 643c (2005) F.Montes, H.Schatz, A.Aprahamian, O.Arndt, A.Estrade, K.-L.Kratz, S.N.Liddick, P.F.Mantica, W.F.Mueller, P.Hosmer, A.C.Morton, M.Ouellette, E.Pellegrini, B.Pfeiffer, P.Reeder, P.Santi, A.Stolz, B.E.Tomlin, W.B.Walters, A.Wohr β-Decay Studies Close to the N=82 r-process Path RADIOACTIVITY 119Rh(β-) [from Be(136Xe, X)]; measured T1/2.
doi: 10.1016/j.nuclphysa.2005.05.188
2005SA34 Nucl.Phys. A756, 325 (2005) P.Santi, D.H.Beddingfield, D.R.Mayo Revised prompt neutron emission multiplicity distributions for 236, 238Pu RADIOACTIVITY 236,238Pu(SF); compiled, analyzed prompt neutron emission multiplicity.
doi: 10.1016/j.nuclphysa.2005.04.002
2005SC28 Eur.Phys.J. A 25, Supplement 1, 639 (2005) H.Schatz, P.T.Hosmer, A.Aprahamian, O.Arndt, R.R.C.Clement, A.Estrade, K.-L.Kratz, S.N.Liddick, P.F.Mantica, W.F.Mueller, F.Montes, A.C.Morton, M.Ouellette, E.Pellegrini, B.Pfeiffer, P.Reeder, P.Santi, M.Steiner, A.Stolz, B.E.Tomlin, W.B.Walters, A.Wohr The half-life of the doubly-magic r-process nucleus 78Ni RADIOACTIVITY 78Ni(β-) [from 86Kr fragmentation]; measured T1/2. Comparison with model predictions, astrophysical implications discussed.
doi: 10.1140/epjad/i2005-06-069-1
2004CL02 Phys.Rev.Lett. 92, 172502 (2004) R.R.C.Clement, D.Bazin, W.Benenson, B.A.Brown, A.L.Cole, M.W.Cooper, P.A.DeYoung, A.Estrade, M.A.Famiano, N.H.Frank, A.Gade, T.Glasmacher, P.T.Hosmer, W.G.Lynch, F.Montes, W.F.Mueller, G.F.Peaslee, P.Santi, H.Schatz, B.M.Sherrill, M.-J.van Goethem, M.S.Wallace New Approach for Measuring Properties of rp-Process Nuclei NUCLEAR REACTIONS H, C(34Ar, 33ArX), E=84 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin following neutron removal. 33Ar deduced levels, J, π, spectroscopic factors. 32Cl(p, γ), E=low; calculated astrophysical reaction rates.
doi: 10.1103/PhysRevLett.92.172502
2004ST28 Nucl.Phys. A746, 54c (2004) A.Stolz, A.Estrade, A.D.Davies, T.N.Ginter, P.T.Hosmer, E.Kwan, S.N.Liddick, P.F.Mantica, T.J.Mertzimekis, F.A.Montes, D.J.Morrissey, A.C.Morton, M.Ouellette, E.Pellegrini, P.Santi, H.Schatz, M.Steiner, A.E.Stuchbery, B.E.Tomlin, W.B.Walters, A.Woehr, O.Arndt, K.-L.Kratz, B.Pfeiffer, P.Reeder Radioactive ion beams in the region of 100Sn and 78Ni at the NSCL NUCLEAR REACTIONS Be, Ni, Nb(124Xe, X), E=140 MeV/nucleon; measured fragments isotopic yields, prompt and delayed (particle)γ-coin. Be(86Kr, X), E=140 MeV/nucleon; measured fragments isotopic yields; deduced evidence for 78Ni.
doi: 10.1016/j.nuclphysa.2004.09.017
2004WA26 Phys.Rev. C 70, 034314 (2004) W.B.Walters, B.E.Tomlin, P.F.Mantica, B.A.Brown, J.Rikovska Stone, A.D.Davies, A.Estrade, P.T.Hosmer, N.Hoteling, S.N.Liddick, T.J.Mertzimekis, F.Montes, A.C.Morton, W.F.Mueller, M.Ouellette, E.Pellegrini, P.Santi, D.Seweryniak, H.Schatz, J.Shergur, A.Stolz Probing the sustainability of the N = 82 and Z = 50 shell closures for neutron-rich nuclides: Decay of 120Rh75 to levels of 120Pd74 RADIOACTIVITY 120Rh(β-), (IT) [from Be(136Xe, X)]; measured Eγ, Iγ, βγ-coin. 126Cd(IT) [from Be(136Xe, X)]; measured Eγ, Iγ. 120Rh, 126Cd deduced isomeric transitions. 120Pd deduced levels, J, π, shell effects. Level systematics in neighboring nuclides discussed, comparison with model predictions.
doi: 10.1103/PhysRevC.70.034314
2003GA04 Phys.Rev. C 67, 024602 (2003) L.R.Gasques, L.C.Chamon, D.Pereira, V.Guimaraes, A.Lepine-Szily, M.A.G.Alvarez, E.S.Rossi, Jr., C.P.Silva, B.V.Carlson, J.J.Kolata, L.Lamm, D.Peterson, P.Santi, S.Vincent, P.A.De Young, G.Peasley Experimental determination of the surface density for the 6He exotic nucleus NUCLEAR REACTIONS 58Ni(α, α), (6He, 6He), E=8.1, 9.0, 9.1, 9.6 MeV; measured σ(θ). 58Ni(α, α), E=82-288 MeV; analyzed σ(θ). 4,6He deduced ground-state nuclear densities. Unfolding method, comparison with model predictions.
doi: 10.1103/PhysRevC.67.024602
2003PE01 Phys.Rev. C 67, 014601 (2003) D.Peterson, J.J.Kolata, P.Santi, J.von Schwarzenberg, D.Bazin, B.M.Sherrill Elastic scattering of 9Li and 11Li from 12C at 50 MeV per nucleon NUCLEAR REACTIONS 12C(9Li, 9Li), (11Li, 11Li), E=50 MeV/nucleon; measured σ(θ); deduced reaction mechanism features. Secondary beams from 18O fragmentation. Comparison with previous results and model predictions.
doi: 10.1103/PhysRevC.67.014601
2003SA07 Phys.Rev. C 67, 024606 (2003) P.Santi, J.J.Kolata, V.Guimaraes, D.Peterson, R.White-Stevens, E.Rischette, D.Bazin, B.M.Sherrill, A.Navin, P.A.DeYoung, P.L.Jolivette, G.F.Peaslee, R.T.Guray Structure of the 10Li nucleus investigated via the 9Li(d, p)10Li reaction NUCLEAR REACTIONS 2H(9Li, p), (13C, p), E=20 MeV/nucleon; measured particle spectra, (fragment)p-coin, angular distributions. 9,10Li deduced ground-state mass excess lower limits. 10Li deduced neutron decay branching ratio, resonance features. S800 spectrograph.
doi: 10.1103/PhysRevC.67.024606
2002VI08 Nucl.Instrum.Methods Phys.Res. A491, 426 (2002) S.M.Vincent, A.Aprahamian, J.J.Kolata, L.O.Lamm, V.Guimaraes, R.C.deHaan, D.Peterson, P.Santi, A.Teymurazyan, F.D.Becchetti, T.W.O'Donnell, M.Lee, D.A.Roberts, J.A.Zimmerman, J.A.Brown Gamma-ray spectroscopy with a low-energy 6He radioactive ion beam NUCLEAR REACTIONS 63Cu(6He, 2np), E=28 MeV; measured Eγ, Iγ, γγ-coin; deduced σ. 66Zn deduced levels, J, π.
doi: 10.1016/S0168-9002(02)01272-X
2002VO01 Phys.Rev.Lett. 88, 012501 (2002) P.A.Voytas, C.Ternovan, M.Galeazzi, D.McCammon, J.J.Kolata, P.Santi, D.Peterson, V.Guimaraes, F.D.Becchetti, M.Y.Lee, T.W.O'Donnell, D.A.Roberts, S.Shaheen Direct Measurement of the L/K Ratio in 7Be Electron Capture RADIOACTIVITY 7Be(EC) [from 3He(6Li, 7Be)]; measured X-ray spectra; deduced L/K capture ratio, possible in-medium effects. Cryogenic microcalorimeter.
doi: 10.1103/PhysRevLett.88.012501
2001KO02 Phys.Rev. C63, 024616 (2001) J.J.Kolata, V.Guimaraes, D.Peterson, P.Santi, R.H.White-Stevens, S.M.Vincent, F.D.Becchetti, M.Y.Lee, T.W.O'Donnell, D.A.Roberts, J.A.Zimmerman Breakup of 8B at Sub-Coulomb Energies NUCLEAR REACTIONS 58Ni(8B, p7Be), E=25.75 MeV; measured σ(E, θ); deduced reaction mechanism features. Comparison with coupled-channels calculations.
doi: 10.1103/PhysRevC.63.024616
2001RO32 Phys.Rev. C64, 061601 (2001) G.V.Rogachev, J.J.Kolata, F.D.Becchetti, P.A.DeYoung, M.Hencheck, K.Helland, J.D.Hinnefeld, B.Hughey, P.L.Jolivette, L.M.Kiessel, H.-Y.Lee, M.Y.Lee, T.W.O'Donnell, G.F.Peaslee, D.Peterson, D.A.Roberts, P.Santi, S.A.Shaheen Proton Elastic Scattering from 7Be at Low Energies NUCLEAR REACTIONS 1H(7Be, 7Be), E < 25.5 MeV; measured back-angle recoil proton spectra, σ(θ). 7Be(p, p), E=1-3.3 MeV; deduced excitation function. 8B deduced levels, J, π. Predicted 1+ state in 8B not found, astrophysical implication discussed. Thick target technique.
doi: 10.1103/PhysRevC.64.061601
2000AG03 Phys.Rev.Lett. 84, 5058 (2000) E.F.Aguilera, J.J.Kolata, F.M.Nunes, F.D.Becchetti, P.A.DeYoung, M.Goupell, V.Guimaraes, B.Hughey, M.Y.Lee, D.Lizcano, E.Martinez-Quiroz, A.Nowlin, T.W.O'Donnell, G.F.Peaslee, D.Peterson, P.Santi, R.White-Stevens Transfer and/or Breakup Modes in the 6He + 209Bi Reaction Near the Coulomb Barrier NUCLEAR REACTIONS 209Bi(6He, X), E=19.0, 22.5 MeV; measured light fragments energy spectra, σ(θ); deduced reaction mechanism features, mechanism for sub-barrier fusion enhancement.
doi: 10.1103/PhysRevLett.84.5058
2000DE48 Phys.Rev. C62, 047601 (2000) P.A.DeYoung, B.Atallah, B.Hughey, P.L.Jolivette, M.Kern, G.F.Peaslee, V.Guimaraes, J.J.Kolata, D.Peterson, P.Santi, R.White-Stevens, E.F.Aguilera, E.Martinez-Quiroz, F.D.Becchetti, M.Y.Lee, J.A.Zimmerman, J.D.Hinnefeld, O.A.Capurro Angular Momentum in the 6He + 209Bi Reaction Deduced from Isomer Ratio Measurements NUCLEAR REACTIONS 209Bi(6He, 3n), E(cm)=18-27 MeV; measured isomer production ratio; deduced compound nucleus spin distribution features.
doi: 10.1103/PhysRevC.62.047601
2000GU05 Phys.Rev.Lett. 84, 1862 (2000) V.Guimaraes, J.J.Kolata, D.Peterson, P.Santi, R.H.White-Stevens, S.M.Vincent, F.D.Becchetti, M.Y.Lee, T.W.O'Donnell, D.A.Roberts, J.A.Zimmerman Nuclear and Coulomb Interaction in 8B Breakup at Sub-Coulomb Energies NUCLEAR REACTIONS 58Ni(8B, p7Be), E=25.75 MeV; measured σ(θ); deduced continuum coupling effects. 8B deduced exotic proton halo structure. Several theoretical models considered.
doi: 10.1103/PhysRevLett.84.1862
1998DE50 Phys.Rev. C58, 3442 (1998) P.A.DeYoung, B.Hughey, P.L.Jolivette, G.F.Peaslee, J.J.Kolata, V.Guimaraes, D.Peterson, P.Santi, H.C.Griffin, J.A.Zimmerman, J.D.Hinnefeld Fusion of a Neutron Skin Nucleus: The 209Bi(6He, 4n) reaction NUCLEAR REACTIONS, ICPND 209Bi(6He, 4n), E(cm)=23.5-30.7; measured production σ(E). Radioactive beam, activation technique. Comparison with statistical model.
doi: 10.1103/PhysRevC.58.3442
1998KO01 Phys.Rev. C57, R6 (1998) J.J.Kolata, V.Guimaraes, D.Peterson, P.Santi, R.White-Stevens, J.von Schwarzenberg, J.D.Hinnefeld, E.F.Aguilera, E.Martinez-Quiroz, D.A.Roberts, F.D.Becchetti, M.Y.Lee, R.A.Kryger 6He + 209Bi Fusion-Fission Reaction NUCLEAR REACTIONS 209Bi(6He, F), E≈32 MeV; measured fission σ; deduced no evidence for transfer fission contribution.
doi: 10.1103/PhysRevC.57.R6
1998KO57 Phys.Rev.Lett. 81, 4580 (1998) J.J.Kolata, V.Guimaraes, D.Peterson, P.Santi, R.White-Stevens, P.A.DeYoung, G.F.Peaslee, B.Hughey, B.Atalla, M.Kern, P.L.Jolivette, J.A.Zimmerman, M.Y.Lee, F.D.Becchetti, E.F.Aguilera, E.Martinez-Quiroz, J.D.Hinnefeld Sub-Barrier Fusion of 6He with 209Bi NUCLEAR REACTIONS 209Bi(6He, 3n), E(cm) ≈ 19-27 MeV; measured σ; deduced fusion σ, sub-barrier enhancement.
doi: 10.1103/PhysRevLett.81.4580
1997KO05 Nucl.Phys. A616, 137c (1997) J.J.Kolata, J.von Schwarzenberg, D.Peterson, P.Santi, J.D.Hinnefeld Subcoulomb Dissociation of 8B NUCLEAR REACTIONS, ICPND 58Ni(8B, p7Be), E=25.3 MeV; measured σ(θ, Ep) following projectile subcoulomb breakup; deduced σ(θ), 7Be(p, γ) astrophysical S-factor, transition γ-multipolarity.
doi: 10.1016/S0375-9474(97)00083-3
1997VO10 Nucl.Phys. A621, 135c (1997) J.von Schwarzenberg, J.J.Kolata, D.Peterson, P.Santi, M.Belbot, J.D.Hinnefeld Coulomb Dissociation of 8B at Sub-Barrier Energies NUCLEAR REACTIONS 58Ni, 197Au(8Be, X), E=26 MeV; measured fragment yields following projectile Coulomb dissociation; deduced S17 factors for E2 transition in 7Be(p, γ) reaction. Radioactive beam, Coulomb dissociation, implications for 7Be proton capture.
doi: 10.1016/S0375-9474(97)00225-X
1996DE06 Nucl.Phys. A597, 127 (1996) P.A.DeYoung, R.Bennink, T.Butler, W.Chung, C.Dykstra, G.Gilfoyle, J.Hinnefeld, M.Kaplan, J.J.Kolata, R.A.Kryger, J.Kugi, C.Mader, M.Nimchek, P.Santi, A.Snyder Small Angle Neutron-Neutron Correlation Functions for the 16O + 27Al Reaction at 220 MeV NUCLEAR REACTIONS 27Al(16O, X), E=220 MeV; measured two-neutron small-angle correlation functions.
doi: 10.1016/0375-9474(95)00419-X
1996VO09 Phys.Rev. C53, R2598 (1996) J.von Schwarzenberg, J.J.Kolata, D.Peterson, P.Santi, M.Belbot, J.D.Hinnefeld Sub-Coulomb Dissociation of 8B NUCLEAR REACTIONS, ICPND 58Ni(8B, X), E=26 MeV; measured projectile breakup associated σ(fragment, E); deduced 7Be(p, γ) reaction astrophysical S-factor, implications for solar neutrino problem.
doi: 10.1103/PhysRevC.53.R2598
Back to query form |