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NSR database version of April 26, 2024.

Search: Author = R.Perez

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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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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. ^{17,18,19,20,21,22,23,24}O, ^{18,19,20,21,22,23,24,25,26,27}F, ^{20,21,22,23,24,25,26,27,28}Ne, ^{22,23,24,25,26,27,28,29}Na, ^{24,25,26,27,28,29,30}Mg, ^{26,27,28,29,30,31,32,33}Al, ^{28,29,30,31,32,33,34}Si, ^{30,31,32,33,34,35}P, ^{32,33,34,35,36}S, ^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
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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, T_1/2, B(E3) for 19/2^- state. Recoil Distance Doppler-Shift (RDDS) method.

doi: 10.1016/j.physletb.2019.134797
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Data from this article have been entered in the XUNDL database. For more information, click here.

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset13526.

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset12980.

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
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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
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset12849.

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
Citations: PlumX Metrics

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
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset12736.

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
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset10929.

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
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset10694.

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
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset10714.

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
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset12867.

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
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset10635.

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset10674.

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
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset10561.

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)

R.B.Perez, G.de Saussure

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
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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
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset10302.

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
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset10270.

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)

G.de Saussure, R.B.Perez

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
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset10249.

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)

J.Flores, R.Perez

SU₃ Symmetry and Realistic Interactions

doi: 10.1016/0370-2693(67)90545-X
Citations: PlumX Metrics

Note: The following list of authors and aliases matches the search parameter R.Perez: , R.B.PEREZ, R.N.PEREZ