NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = R.Perez Found 36 matches. 2023FO05 Phys.Rev. C 108, 054310 (2023) J.M.R.Fox, C.W.Johnson, R.N.Perez Uncertainty quantification of transition operators in the empirical shell model
doi: 10.1103/PhysRevC.108.054310
2021ES08 Phys.Rev. C 104, 054002 (2021) A.G.Escalante, R.N.Perez, E.Ruiz Arriola Partial-wave correlations with uncertainties in the two-nucleon system NUCLEAR REACTIONS 1H(n, X), 1H(p, X), E<350 MeV; analyzed 6713 np+pp experimental results corresponding to 6173 scattering data containing differential cross sections and polarization asymmetries by a Gaussian fluctuation method, one- pion exchange (OPE) with delta shells and the pion-nucleon-nucleon coupling constants as fitting parameters replicated 1000 times; deduced Partial wave correlation coefficients with uncertainties among the corresponding channels with different quantum numbers in nucleon-nucleon (NN) scattering.
doi: 10.1103/PhysRevC.104.054002
2020AB10 Eur.Phys.J.Plus 135, 845 (2020) M.Abbasi, H.Panjeh, R.Perez, A.Deppman, E.Andrade II, F.Velasco, F.Guzman Heavy-ion-induced fission of 181Ta and 209Bi at intermediate energies by CRISP model NUCLEAR REACTIONS 181Ta, 209Bi(11B, X), E=125.7, 245.4, 146 MeV; analalyzed available data; calculated σ, mass-yield distributions using the CRISP code.
doi: 10.1140/epjp/s13360-020-00828-4
2020FO04 Phys.Rev. C 101, 054308 (2020) J.M.R.Fox, C.W.Johnson, R.N.Perez Uncertainty quantification of an empirical shell-model interaction using principal component analysis NUCLEAR STRUCTURE 18F, 26Al, 26Mg; calculated B(E2) and B(M1) for several transitions; deduced median values and uncertainty intervals from comparison with experimental values. 17,18,19,20,21,22,23,24O, 18,19,20,21,22,23,24,25,26,27F, 20,21,22,23,24,25,26,27,28Ne, 22,23,24,25,26,27,28,29Na, 24,25,26,27,28,29,30Mg, 26,27,28,29,30,31,32,33Al, 28,29,30,31,32,33,34Si, 30,31,32,33,34,35P, 32,33,34,35,36S, 34,35,36,37Cl, 36,37,38Ar, 38,39K; calculated level energies, J, π; deduced uncertainties from comparison with experimental energies. Uncertainty quantification (UQ) in level energies, B(E2), B(M1) and B(GT) of a "gold-standard" empirical interaction for nuclear configuration-interaction shell model calculations in the sd-shell valence, investigating sensitivity of observables to perturbations in the 66 parameters. RADIOACTIVITY 26Ne, 32Si(β-); calculated B(GT), dark matter scattering on 36Ar coupling parameter; deduced uncertainty intervals for B(GT) from comparison with experimental values. Uncertainty quantification through shell-model calculations.
doi: 10.1103/PhysRevC.101.054308
2019RA28 Phys.Lett. B 797, 134797 (2019) D.Ralet, E.Clement, G.Georgiev, A.E.Stuchbery, M.Rejmund, P.Van Isacker, G.de France, A.Lemasson, J.Ljungvall, C.Michelagnoli, A.Navin, D.L.Balabanski, L.Atanasova, A.Blazhev, G.Bocchi, R.Carroll, J.Dudouet, E.Dupont, B.Fornal, S.Franchoo, C.Fransen, C.Muller-Gatermann, A.Goasduff, A.Gadea, P.R.John, D.Kocheva, T.Konstantinopoulos, A.Korichi, A.Kusoglu, S.M.Lenzi, S.Leoni, R.Lozeva, A.Maj, R.Perez, N.Pietralla, C.Shand, O.Stezowski, D.Wilmsen, D.Yordanov, D.Barrientos, P.Bednarczyk, B.Birkenbach, A.J.Boston, H.C.Boston, I.Burrows, B.Cederwall, M.Ciemala, J.Collado, F.Crespi, D.Cullen, H.J.Eberth, J.Goupil, L.Harkness, H.Hess, A.Jungclaus, W.Korten, M.Labiche, R.Menegazzo, D.Mengoni, B.Million, J.Nyberg, Zs.Podolyak, A.Pullia, B.Quintana Arnes, F.Recchia, P.Reiter, F.Saillant, M.D.Salsac, E.Sanchis, C.Theisen, J.J.Valiente Dobon, O.Wieland Evidence of octupole-phonons at high spin in 207Pb NUCLEAR REACTIONS 100Mo(208Pb, 207Pb), E=6.25 MeV/nucleon; measured reaction products, Eγ, Iγ. 207Pb; deduced γ-ray energies, T1/2, B(E3) for 19/2- state. Recoil Distance Doppler-Shift (RDDS) method.
doi: 10.1016/j.physletb.2019.134797
2017RA09 Phys.Scr. 92, 054004 (2017) D.Ralet, G.Georgiev, A.E.Stuchbery, E.Cement, A.Lemasson, C.Michelagnoli, M.Rejmund, L.Atanasova, D.L.Balabanski, G.Bocchi, R.Carroll, A.Dewald, J.Dudouet, B.Fornal, G.de France, S.Franchoo, C.Fransen, C.Muller-Gatermann, A.Goasduff, A.Gadea, B.Jacquot, P.R.John, D.Kocheva, T.Konstantinopoulos, A.Korichi, A.Kusoglu, S.M.Lenzi, S.Leoni, J.Ljungvall, R.Lozeva, A.Maj, A.Navin, R.Perez, N.Pietralla, C.Shand, O.Stezowski, D.Yordanov Toward lifetime and g factor measurements of short-lived states in the vicinity of 208Pb NUCLEAR REACTIONS 100Mo(208Pb, X)206Pb/207Pb/208Pb, E=6.25 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies. Preliminary data for the lifetime measurements with Cologne plunger device.
doi: 10.1088/1402-4896/aa6942
2017VA26 Phys.Rev. C 96, 054606 (2017) D.Vargas, A.R.Samana, F.G.Velasco, O.R.Hoyos, F.Guzman, J.L.Bernal-Castillo, E.Andrade II, R.Perez, A.Deppman, C.A.Barbero, A.E.Mariano Nuclear medium effects in muonic neutrino interactions with energies from 0.2 to 1.5 GeV NUCLEAR REACTIONS 2H, 12C, 16O, 27Al, 40Ar, 56Fe, 208Pb(ν, X), E=0.2-1.5 GeV; calculated σ(E) data, energy distributions for π+ and μ- spectra in the framework of Monte Carlo calculation in the intranuclear cascade model. Comparison with experimental data.
doi: 10.1103/PhysRevC.96.054606
1991LE18 Nucl.Sci.Eng. 109, 1 (1991) L.C.Leal, G.de Saussure, R.B.Perez An R Matrix Analysis of the 235U Neutron-Induced Cross Sections up to 500 eV NUCLEAR REACTIONS 235U(n, n), E ≤ 500 eV; analyzed σ(E), other data. R-matrix.
doi: 10.13182/NSE91-A23840
1991MA40 Ann.Nucl.Energy 18, 567 (1991) R.L.Macklin, R.B.Perez, G.de Saussure, R.W.Ingle High Energy Resolution Measurement of the 238U Neutron Capture Yield from 1 to 100 keV NUCLEAR REACTIONS 238U(n, γ), E=1-100 keV; measured capture yield vs E; deduced σ. 239U deduced resonances.
doi: 10.1016/0306-4549(91)90056-4
1990DE41 Nucl.Sci.Eng. 106, 434 (1990) H.Derrien, G.de Saussure, R.B.Perez R Matrix Analysis of 239Pu Neutron Cross Sections in the Energy Range up to 1000 eV NUCLEAR REACTIONS 239Pu(n, 2n), E < 1 keV; analyzed σ(E). 240Pu deduced resonances, parameters.
doi: 10.13182/NSE90-A23768
1989DE37 Nucl.Sci.Eng. 103, 109 (1989) G.de Saussure, L.C.Leal, R.B.Perez, N.M.Larson, M.S.Moore A New Resonance Region Evaluation of Neutron Cross Sections for 235U NUCLEAR REACTIONS 235U(n, F), (n, γ), E ≤ 110 eV; calculated fission, capture σ(E).
1989MO21 Nucl.Phys. A502, 443c (1989) M.S.Moore, L.C.Leal, G.de Saussure, R.B.Perez, N.M.Larson Resonance Structure in the Fission of (235U + n) NUCLEAR REACTIONS 235U(n, F), (n, γ), (n, n), E=low, resonance; analyzed data. R-matrix, Pattenden-Postma constraints.
doi: 10.1016/0375-9474(89)90681-7
1987DE09 Nucl.Sci.Eng. 96, 58 (1987) H.Derrien, N.M.Larson, G.de Saussure, R.B.Perez R-Matrix Analysis of the 241Pu Cross Sections up to 100 eV NUCLEAR REACTIONS 241Pu(n, F), (n, n), (n, γ), E ≤ 100 eV; analyzed total, fission σ(E). 242Pu deduced neutron resonance parameters. R-matrix analysis.
doi: 10.13182/NSE87-A16365
1986AU01 Phys.Rev. C33, 125 (1986) G.F.Auchampaugh, G.de Saussure, D.K.Olsen, R.W.Ingle, R.B.Perez, R.L.Macklin Resolution of the Nature of the Coupling in Subthreshold Fission in 238U + n NUCLEAR REACTIONS 238U(n, γ), (n, n), E=700-740 eV; measured σ(E). 239U deduced resonance, Γn, Γγ, barrier, other parameters.
doi: 10.1103/PhysRevC.33.125
1986DE38 Radiat.Eff. 96, 293 (1986) G.de Saussure, R.B.Perez, R.L.R.Macklin R-Matrix Analysis of the 239Pu Neutron Cross Sections NUCLEAR REACTIONS 239Pu(n, n), (n, γ), (n, F), (n, X), E ≤ 300 eV; analyzed reaction, capture, fission σ(E). 240Pu deduced resonance parameters, Γγ, Γn, Γf. R-matrix analysis.
1986PE03 Nucl.Sci.Eng. 93, 31 (1986) R.B.Perez, G.de Saussure, N.M.Larson, R.L.R.Macklin Multilevel Analysis of the Low-Energy 239Pu Cross Sections NUCLEAR REACTIONS 239Pu(n, γ), (n, F), E ≤ 30 eV; analyzed σ(E). 240Pu deduced resonances, Γγ, Γn, fission widths.
doi: 10.13182/NSE83-A17414
1983PE15 Phys.Rev. C28, 1635 (1983) R.B.Perez, G.de Saussure, J.H.Todd, T.J.Yang, G.F.Auchampaugh Measurement of the 232Th(n, f) Subthreshold and Near-Subthreshold Cross Section NUCLEAR REACTIONS 232Th(n, F), E=0.00001-1.6 MeV; measured fission σ(E).
doi: 10.1103/PhysRevC.28.1635
1982PE01 Nucl.Sci.Eng. 80, 189 (1982) R.B.Perez, G.de Saussure, R.L.Macklin, J.Halperin, N.W.Hill The Radiative Capture Yield of Thorium-232 from 100 to 4000 eV NUCLEAR REACTIONS 232Th(n, γ), E=100-4000 eV; measured capture yield vs E.
doi: 10.13182/NSE82-A21416
1981AU03 Phys.Rev. C24, 503 (1981) G.F.Auchampaugh, S.Plattard, N.W.Hill, G.de Saussure, R.B.Perez, J.A.Harvey K Components for the ≈ 1.4-, ≈ 1.6-, and ≈ 1.7-MeV Structures in the Fission of 232Th + n NUCLEAR REACTIONS, Fission 232Th(n, F), E=1.3-1.8 MeV; measured σ(fission, E). 233Th deduced rotational band K, relative fission strengths.
doi: 10.1103/PhysRevC.24.503
1981PL01 Phys.Rev.Lett. 46, 633 (1981) S.Plattard, G.F.Auchampaugh, N.W.Hill, G.de Saussure, J.A.Harvey, R.B.Perez Some Spectroscopic Properties of Fine Structures Observed near the 231Pa(n, f)Fission Threshold NUCLEAR REACTIONS, Fission 231Pa(n, F), E=140-400 keV; measured σ(E). 232Pa deduced resonances, J, π, vibrational character, < Γf >, asymmetrically deformed fission barrier third minimum.
doi: 10.1103/PhysRevLett.46.633
1980DI05 Phys.Rev. C21, 1400 (1980) F.C.Difilippo, R.B.Perez, G.de Saussure, D.K.Olsen, R.W.Ingle 238U Neutron-Induced Fission Cross Section for Incident Neutron Energies between 5 eV and 3.5 MeV NUCLEAR REACTIONS 238U(n, F), E=5 eV-3.5 MeV; measured σ(E). 239U deduced Γ(F), second well fission barrier parameters.
doi: 10.1103/PhysRevC.21.1400
1979OL02 Nucl.Sci.Eng. 69, 202 (1979) D.K.Olsen, G.de Saussure, R.B.Perez, F.C.Difilippo, R.W.Ingle, H.Weaver Measurement and Resonance Analysis of Neutron Transmission Through Uranium-238 NUCLEAR REACTIONS 238U(n, X), E=0.88-100 keV; measured σ. 239U deduced resonance parameters. Multilevel Breit-Wigner fits.
doi: 10.13182/NSE79-A20611
1979PE09 Phys.Rev. C20, 528 (1979) R.B.Perez, G.de Saussure, R.L.Macklin, J.Halperin Statistical Tests for the Detection of Intermediate Structure: Application to the Structure of the 238U Neutron Capture Cross Section between 5 keV and 0.1 MeV NUCLEAR REACTIONS 238U(n, γ), E=5 keV-0.1 MeV; measured σ(E). 239U deduced resonance, parameters, doorway states. Monte Carlo, statistical methods.
doi: 10.1103/PhysRevC.20.528
1978DI14 Nucl.Sci.Eng. 68, 43 (1978) F.C.Difilippo, R.B.Perez, G.de Saussure, D.K.Olsen, R.W.Ingle Measurement of the Uranium-238 to Uranium-235 Fission Cross-Section Ratio for Neutron Energies between 0.1 and 25 MeV NUCLEAR REACTIONS 235,238U(n, F), E=0.1-25 MeV; measured ratio of σ.
doi: 10.13182/NSE78-A27269
1978OL01 Nucl.Sci.Eng. 66, 141 (1978) D.K.Olsen, G.de Saussure, R.B.Perez, F.C.Difilippo, R.W.Ingle Note on 238U + n Resolved Resonance Energies NUCLEAR REACTIONS 238U, 32S, 206Pb, 23Na, 27Al(n, n'γ), E=0.1-170 keV; measured transmission spectra. 238U, 32S, 206Pb, 23Na, 27Al deduced neutron resonances.
doi: 10.13182/NSE78-A15200
1977DI13 Nucl.Sci.Eng. 63, 153 (1977) F.C.Difilippo, R.B.Perez, G.de Saussure, D.K.Olsen, R.W.Ingle Measurement of the Uranium-238 Subthreshold Fission Cross Section for Incident Neutron Energies between 0.6 and 100 keV NUCLEAR REACTIONS 238U(n, F), E=0.6-100 keV; measured σ(E). 239U deduced fission barriers.
doi: 10.13182/NSE77-A27019
1977OL03 Nucl.Sci.Eng. 62, 479 (1977) D.K.Olsen, G.de Saussure, R.B.Perez, E.G.Silver, F.C.Difilippo, R.W.Ingle, H.Weaver Precise Measurement and Analysis of Neutron Transmission Through Uranium-238 NUCLEAR REACTIONS 238U(n, n), E=0.52-4000 eV; measured transmission neutron spectra.
doi: 10.13182/NSE77-A26986
1976DE45 Nucl.Sci.Eng. 61, 496 (1976) G.de Saussure, D.K.Olsen, R.B.Perez The ENDF/B-IV Representation of the Uranium-238 Total Neutron Cross Section in the Resolved Resonance Energy Region NUCLEAR REACTIONS 238U(n, X), (n, n'), E ≤ 4 keV; calculated σ(E).
1974PE05 Phys.Rev. C10, 187 (1974) Treatment of Large Perturbations of the Hamiltonian and the Boundary Conditions in Scattering and Reaction Calculations NUCLEAR REACTIONS 247Cm(n, F), (n, γ), E=20-60 MeV; calculated σ(E).
doi: 10.1103/PhysRevC.10.187
1974PE14 Nucl.Sci.Eng. 55, 203 (1974) R.B.Perez, G.de Saussure, E.G.Silver, R.W.Ingle, H.Weaver Measurement of the Fission Cross Section of Uranium-235 for Incident Neutrons with Energies between 2 and 100 keV NUCLEAR REACTIONS 235U(n, F), E=2-100 keV; measured σ(E).
doi: 10.13182/NSE74-A28207
1973DE15 Phys.Rev. C7, 2018 (1973) G.de Saussure, R.B.Perez, W.Kolar Multilevel Analyses of the 235U Fission and Capture Cross Sections NUCLEAR REACTIONS 235U(n, F), (n, γ); measured nothing. Deduced resonance level-width.
doi: 10.1103/PhysRevC.7.2018
1973DE47 Nucl.Sci.Eng. 51, 385 (1973) G.de Saussure, E.G.Silver, R.B.Perez, R.Ingle, H.Weaver Measurement of the Uranium-238 Capture Cross Section for Incident Neutron Energies up to 100 keV NUCLEAR REACTIONS 238U(n, γ), E=.005-100 keV; measured σ(E). Data from this article have been entered in the EXFOR database. For more information, access X4 dataset10101. 1973DE57 Nucl.Sci.Eng. 52, 382 (1973) Multilevel Effects in the Unresolved Resonances Region of the Cross Sections of Fissile Nuclides NUCLEAR REACTIONS 235U(n, X), E approx 1000 keV; calculated σ(E).
1973PE18 Nucl.Sci.Eng. 52, 46 (1973) R.B.Perez, G.de Saussure, E.G.Silver, R.W.Ingle, H.Weaver Simultaneous Measurements of the Neutron Fission and Capture Cross Sections for Uranium-235 for Neutron Energies from 8 eV to 10 keV NUCLEAR REACTIONS 235U(n, F), (n, X), E=0.008-10 keV; measured σ(E), capture-to-fission ratio.
doi: 10.13182/NSE73-A23288
1971DE62 Trans.Amer.Nucl.Soc. 14, 370 3 (1971) G.de Saussure, R.B.Perez, E.G.Silver, R.W.Ingle Simultaneous measurement of the neutron fission and caputre cross sections of 235U for energies up to 100 keV NUCLEAR REACTIONS 235U(n, γ), (n, F), E<100 keV; measured reaction products; deduced σ.
1967FL13 Phys.Letters 26B, 55 (1967) SU3 Symmetry and Realistic Interactions
doi: 10.1016/0370-2693(67)90545-X
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