NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = S.M.Perez Found 99 matches. 2019IB01 Phys.Rev. C 99, 064332 (2019) T.T.Ibrahim, A.C.Merchant, S.M.Perez, B.Buck α-cluster structure above double closed shells NUCLEAR STRUCTURE 20Ne, 44Ti, 94Mo, 104,136Te; calculated levels, J, π, B(E2), mean-square separation of the α-core system, α-decay widths using local potential cluster model with a cluster-core nuclear potential parametrized as mixture of Saxon-Woods and cubed Saxon-Woods terms. Comparison with experimental data.
doi: 10.1103/PhysRevC.99.064332
2015DU02 J.Phys.(London) G42, 15103 (2015) E.J.du Toit, S.M.Wyngaardt, S.M.Perez Cluster decay of 234U and 232Th by the emission of neon isotopes RADIOACTIVITY 234U, 232Th(24Ne), (26Ne); calculated decay parameters using a binary cluster formalism.
doi: 10.1088/0954-3899/42/1/015103
2013BU02 Phys.Rev. C 87, 024304 (2013), Erratum Phys.Rev. C 88, 039903 (2013) B.Buck, A.C.Merchant, S.M.Perez Local potential model of the Hoyle band in 12C NUCLEAR STRUCTURE 12C; calculated level energies, widths, charge radii of Hoyle band using a local potential 8Be+α cluster model. Comparison with experimental data.
doi: 10.1103/PhysRevC.87.024304
2012BU08 Phys.Rev. C 85, 054302 (2012) B.Buck, A.C.Merchant, S.M.Perez Electromagnetic transition strengths in heavy nuclei NUCLEAR STRUCTURE 230,232Th, 234,238U; calculated reduced B(E2), B(M1) for transitions within and between K=0+, 1+ and 2+ bands. Cluster Model for the structure of heavy nuclei. Discussion of beta and gamma bands. Comparison with experimental data.
doi: 10.1103/PhysRevC.85.054302
2012FR05 Phys.Rev. C 86, 034320 (2012) M.Freer, M.Itoh, T.Kawabata, H.Fujita, H.Akimune, Z.Buthelezi, J.Carter, R.W.Fearick, S.V.Fortsch, M.Fujiwara, U.Garg, N.Hashimoto, K.Kawase, S.Kishi, T.Murakami, K.Nakanishi, Y.Nakatsugawa, B.K.Nayak, R.Neveling, S.Okumura, S.M.Perez, P.Papka, H.Sakaguchi, Y.Sasamoto, F.D.Smit, J.A.Swartz, H.Takeda, S.Terashima, M.Uchida, I.Usman, Y.Yasuda, M.Yosoi, J.Zenihiro Consistent analysis of the 2+ excitation of the 12C Hoyle state populated in proton and α-particle inelastic scattering NUCLEAR REACTIONS 12C(p, p'), E=66 MeV; 12C(α, α'), E=386 MeV; measured 12C excitation spectra. 12C; deduced levels, 2+ excitation of the 0+ Hoyle state. R-matrix analysis. Discussed potential geometric arrangements of the cluster structures.
doi: 10.1103/PhysRevC.86.034320
2012IB02 Phys.Rev. C 85, 044313 (2012) T.T.Ibrahim, S.M.Perez, S.M.Wyngaardt, B.Buck, A.C.Merchant Hybrid potential analysis of exotic clustering in heavy nuclei NUCLEAR STRUCTURE 222,224,226Ra, 228,230Th, 230,232,234,236U, 236,238Pu, 242Cm; calculated levels, J, π, B(E2), T1/2, exotic decay probability. Hybrid potential of a microscopic and a phenomenological core-cluster potential. Cluster model. Comparison with experimental data.
doi: 10.1103/PhysRevC.85.044313
2011BU09 Phys.Rev. C 84, 034310 (2011) B.Buck, A.C.Merchant, S.M.Perez Generation of excited K bands in heavy nuclei NUCLEAR STRUCTURE 222Ra, 228Th, 232U, 236Pu; calculated radial wave functions for various L values and radial overlap integrals from a numerical solution of the Schrodinger equation. Binary cluster model. Schematics of K=0+, 1+, 2+ bands and transitions.
doi: 10.1103/PhysRevC.84.034310
2010BU02 Phys.Rev. C 81, 034322 (2010) B.Buck, A.C.Merchant, S.M.Perez Theory of recursive nuclear band spectra NUCLEAR STRUCTURE 102,104,106Mo, 102,104,106,110,112Ru, 102,110,114,116Pd, 140Xe, 144,146Ba, 146,148Ce, 148,150,152Nd, 150,152,154Sm, 152,154,156,158,160Gd, 154,156,158,160,162,164Dy, 156,158,160,162,164,166,168,170Er, 158,160,162,164,166,168,170,172,174,176Yb, 164,166,168,170,172,174,176,178,180Hf, 168,170,172,174,180,182,186W, 172,174,180,182,184,186,188,192Os, 176,180,184,186,188Pt, 222,224,226Ra, 222,226,228,230,232,234Th, 230,232,234,236,238U, 238,240,242,244Pu, 248Cm; analyzed nuclear band spectra using recursion formula based on a quantum mechanical model.
doi: 10.1103/PhysRevC.81.034322
2010FR03 Nucl.Phys. A834, 621c (2010) M.Freer, H.Fujita, Z.Buthelezi, J.Carter, R.W.Fearick, S.V.Fortsch, R.Neveling, S.M.Perez, P.Papka, F.D.Smit, J.A.Swartz, I.Usman, P.J.Haigh, N.I.Ashwood, T.Bloxham, N.Curtis, P.McEwan, H.G.Bohlen, T.Dorsch, Tz.Kokalova, Ch.Schulz, C.Wheldon Cluster Structure of 12C and 11Be NUCLEAR REACTIONS 12C(p, p'), E=66 MeV; measured Ep, Ip(θ=10null, 16null, 28null). 9Be(16O, 14O), E=234 MeV; measured E(particle), I(particle). 11Be; deduced levels, J, π. 11Be, 12C calculated levels, J, π, rotational and vibrational bands assuming 2α+3n for 11Be and 3α for 12C.
doi: 10.1016/j.nuclphysa.2010.01.107
2010IB03 Phys.Rev. C 82, 034302 (2010) T.T.Ibrahim, S.M.Perez, S.M.Wyngaardt Hybrid potential model of the α-cluster structure of 212Po NUCLEAR STRUCTURE 212Po; calculated levels, J, π, B(E2), half-lives, α-decay branching ratios from levels in ground-state band using Hybrid potential model for α+208Pb cluster structure. Comparison with experimental data. NUCLEAR REACTIONS 208Pb(α, α), E=23.5, 40.0, 58.0 MeV; analyzed σ(θ) data.
doi: 10.1103/PhysRevC.82.034302
2010PE15 Phys.Rev. C 82, 064305 (2010) S.M.Perez, W.A.Richter, B.A.Brown, M.Horoi Magnetic moments of T=3/2 mirror pairs NUCLEAR MOMENTS 43V, 43Ca, 45Sc, 45Cr, 47Mn, 47Ti, 49Fe, 49V, 51Co, 51Cr, 53Ni, 53Mn; analyzed magnetic moments, γp and γn values of T=3/2 proton-rich nuclei in fp shell by using experimental values for their neutron-rich mirror nuclei. 19Na, 19O, 21F, 21Mg, 23Al, 23Ne, 25Na, 25Si, 27P, 27Mg, 29Al, 29S, 31Cl, 31Si, 33P, 33Ar, 35K, 35S, 37Cl, 37Ca; analyzed gp and γn values of T=3/2 mirror nuclei in sd shell. Shell model calculations.
doi: 10.1103/PhysRevC.82.064305
2010WY02 J.Phys.:Conf.Ser. 205, 012013 (2010) S.M.Wyngaardt, H.W.Groenewald, T.T.Ibrahim, J.Ndayishimye, S.M.Perez Relativistic mean field formulation of clustering in heavy nuclei NUCLEAR STRUCTURE 212Po; calculated levels, J, π, T1/2 using microscopic RMFT with BCM (binary cluster model) and also with M3Y and double folded RMFT. Compared with data.
doi: 10.1088/1742-6596/205/1/012013
2009BU09 J.Phys.(London) G36, 085101 (2009) B.Buck, A.C.Merchant, S.M.Perez, T.T.Ibrahim, S.M.Wyngaardt Electromagnetic transition strength ratios in 238U NUCLEAR STRUCTURE 238U; calculated B(E1), B(E2), B(E1)/B(E2). Pb-Ne cluster model, comparison with experiment.
doi: 10.1088/0954-3899/36/8/085101
2009FR07 Phys.Rev. C 80, 041303 (2009) M.Freer, H.Fujita, Z.Buthelezi, J.Carter, R.W.Fearick, S.V.Fortsch, R.Neveling, S.M.Perez, P.Papka, F.D.Smit, J.A.Swartz, I.Usman 2+ excitation of the 12C Hoyle state NUCLEAR REACTIONS 12C(p, p'), E=66 MeV; 13C(p, p'), E=200 MeV; measured Ep and σ(θ). 12C; deduced levels, J, π, 2+ excitation of the Hoyle state in 12C. Coupled-channel (CCRC) analysis. Implications for the 8Be+4He reaction rate in stellar environments discussed.
doi: 10.1103/PhysRevC.80.041303
2008BU03 Phys.Rev. C 77, 017301 (2008) B.Buck, A.C.Merchant, S.M.Perez Core-cluster partitions of rare-earth nuclei NUCLEAR STRUCTURE 142,144,146Ba, 146,148,150Ce, 146,148,150,152Nd, 148,150,152,154Sm, 152,154,156,158,160Gd, 154,156,158,160,162,164Dy, 156,158,160,162,164,166,168,170Er, 158,160,162,164,166,168,170,172,174,176Yb, 166,168,170,172,174,176,178,180Hf, 168,170,172,180,182,184,186W, 182,184,186,188,190,192Os, 184,186,188,190,192,194,196,198Pt; calculated cluster charge, cluster mass, potential radii, B(E2).
doi: 10.1103/PhysRevC.77.017301
2008BU11 J.Phys.(London) G35, 085101 (2008) B.Buck, A.C.Merchant, S.M.Perez Negative parity bands in even-even isotopes of Ra, Th, U and Pu NUCLEAR STRUCTURE 226Ra, 230Th, 234,236,238U, 238,240,242Pu; calculated level energies and B(E3) for negative parity bands using a Pb core plus exotic cluster model.
doi: 10.1088/0954-3899/35/8/085101
2008PE13 Phys.Rev. C 77, 064311 (2008) S.M.Perez, W.A.Richter, B.A.Brown, M.Horoi Correlations between magnetic moments and β decays of mirror nuclei NUCLEAR STRUCTURE 11B, 11,13C, 13,15N, 15,17O, 17,19F, 19,21Ne, 21,23Na, 23,25Mg, 25,27Al, 27,29Si, 29,31P, 31,33S, 33,35Cl, 35,37Ar, 37,39K, 39,41Ca, 41,43Sc, 43,45Ti, 45,47V, 47,49Cr, 49,51Mn, 51,53Fe, 53,55Co, 55,57Ni, 57Cu; calculated magnetic moments, β-decay half-lives, gyromagnetic ratios.
doi: 10.1103/PhysRevC.77.064311
2007BU16 Phys.Rev. C 76, 014310 (2007) B.Buck, A.C.Merchant, S.M.Perez, H.E.Seals Core-cluster partitions of actinide nuclei NUCLEAR STRUCTURE Rn, Ra, Th, U, Pu, Cm; calculated level energies and B(E2) using a cluster model.
doi: 10.1103/PhysRevC.76.014310
2007BU20 J.Phys.(London) G34, 1985 (2007) B.Buck, A.C.Merchant, S.M.Perez Negative parity bands in 238U NUCLEAR STRUCTURE 238U; calculated level energies, K, J, π in terms of a Pb-Ne cluster model.
doi: 10.1088/0954-3899/34/9/010
2007BU27 Phys.Rev. C 76, 034326 (2007) B.Buck, A.C.Merchant, S.M.Perez Parameter-free characterization of nuclear band spectra
doi: 10.1103/PhysRevC.76.034326
2005BU03 Phys.Rev. C 71, 014311 (2005) B.Buck, A.C.Merchant, S.M.Perez Evidence of nuclear clustering throughout a major shell NUCLEAR STRUCTURE Z=56-80; analyzed data; deduced cluster model parameters. 166,168,170,172,174,176,178,180Hf; calculated rotational bands level energies, cluster features.
doi: 10.1103/PhysRevC.71.014311
2005BU17 Phys.Rev.Lett. 94, 202501 (2005) B.Buck, A.C.Merchant, S.M.Perez Interpretation of Correlations between Nuclear Observables in Rare-Earth Nuclei NUCLEAR STRUCTURE 170Er, 170Yb, 170Hf, 170W; A=140-200; analyzed levels, B(E2); deduced core-cluster decomposition parameters.
doi: 10.1103/PhysRevLett.94.202501
2005BU38 J.Phys.(London) G31, 1499 (2005) B.Buck, A.C.Merchant, S.M.Perez, H.E.Seals The exotic structure of heavy nuclei RADIOACTIVITY 222,224,226Ra(14C); 228Th(20O); 230Th, 232,234U(24Ne); 230U(22Ne); 234U(26Ne); 234U, 236,238Pu(28Mg); 238Pu(30Mg), (32Si); 242Cm(34Si); calculated decay widths. 212Po(α); calculated T1/2. Binary cluster model. NUCLEAR STRUCTURE 212Po, 222Ra, 228Th, 232U, 236Pu, 242Cm; calculated level energies.
doi: 10.1088/0954-3899/31/12/010
2004BU02 J.Phys.(London) G30, 65 (2004) B.Buck, A.C.Merchant, S.M.Perez Coexistence of very dissimilar cluster bands in 212Po NUCLEAR STRUCTURE 212Po; calculated cluster configuration energies, rotational bands.
doi: 10.1088/0954-3899/30/2/006
2003BU11 Phys.Rev. C 68, 024313 (2003) B.Buck, A.C.Merchant, S.M.Perez Theory of band comparison in even-even nuclei NUCLEAR STRUCTURE 142,144,146Ba, 146,148Ce, 146,148,150,152Nd, 150,152,154Sm, 218,220,222,224,226Ra, 222,224,226,228,230,232,234Th, 230,232,234,236,238U, 236,238,240,242,244Pu; calculated rotational bands relative μ, B(E2). 148,150Gd, 152,154Dy, 190,192,194Hg, 194,196Pb; calculated superdeformed bands relative μ, B(E2). 212Pb, 212Po; calculated superdeformed bands features. Cluster model.
doi: 10.1103/PhysRevC.68.024313
2003BU27 Acta Phys.Hung.N.S. 18, 303 (2003) B.Buck, A.C.Merchant, S.M.Perez Criteria for Comparison of Bands in Even-Even Nuclei NUCLEAR STRUCTURE 142,144,146Ba, 146,148Ce, 146,148,150,152Nd, 150,152,154Sm, 218,222,224,226Ra, 222,226,228,230,232,234Th, 230,232,234,236,238U, 238,240,242,244Pu; analyzed rotational bands, fractional change in transition energies and reduced mass. Cluster model.
doi: 10.1556/APH.18.2003.2-4.31
2002BU13 Yad.Fiz. 65, 701 (2002); Phys.Atomic Nuclei 65, 669 (2002) B.Buck, A.C.Merchant, S.M.Perez Transition Quadrupole Moments in Superdeformed Bands NUCLEAR STRUCTURE 60,62Zn, 80,82Sr, 84,86Zr, 132Ce, 134Nd, 142Sm, 146,148,150Gd, 152,154Dy, 190,192,194Hg, 194,196Pb, 236,238U; calculated superdeformed bands transition quadrupole moments. Binary cluster approach, comparisons with data.
doi: 10.1134/1.1471271
2002BU18 Phys.Rev. C65, 067306 (2002) B.Buck, A.C.Merchant, S.M.Perez Binary Cluster Model of Very Extended Shapes in the A ∼ 110 Region NUCLEAR STRUCTURE 102,104,106,108,110Ru, 104,106,108,110,112Pd, 106,108,110,112,114Cd, 108,110,112,114,116Sn, 110,112,114,116,118Te; calculated binary cluster configuration energies.
doi: 10.1103/PhysRevC.65.067306
2002BU34 Phys.Rev. C 66, 067303 (2002) B.Buck, A.C.Merchant, V.A.McBride, S.M.Perez New relation between B(E2) values and excitation energies NUCLEAR STRUCTURE A=10-252; analyzed B(E2), correlation with excitation energy for even-even nuclides. Binary cluster model.
doi: 10.1103/PhysRevC.66.067303
2001BU02 Phys.Rev. C63, 014312 (2001) B.Buck, A.C.Merchant, S.M.Perez Transition Quadrupole Moments in Superdeformed Bands NUCLEAR STRUCTURE 60,62Zn, 80,82Sr, 84,86Zr, 132Ce, 134Nd, 142Sm, 146,148,150Gd, 152,154Dy, 190,192,194Hg, 194,196Pb, 236,238U; calculated superdeformed bands transition quadrupole moments; deduced cluster configuration features. Binary cluster model, comparisons with data.
doi: 10.1103/PhysRevC.63.014312
2001BU08 Phys.Rev. C63, 037301 (2001) B.Buck, A.C.Merchant, S.M.Perez Magnetic Moments of Mirror Nuclei NUCLEAR MOMENTS A=3-59; compiled, analyzed μ, gyromagnetic ratios for mirror nuclei. 45,47V, 47Cr, 49Mn, 51,53Fe, 53Co, 55Ni, 57,59Cu, 59Zn; deduced predictions for ground-state μ.
doi: 10.1103/PhysRevC.63.037301
2000BU01 Phys.Rev. C61, 014310 (2000) B.Buck, A.C.Merchant, S.M.Perez Cluster Model Interpretation of Normal and Superdeformed Bands in 60Zn NUCLEAR STRUCTURE 60Zn; calculated levels, J, π, superdeformed bands B(E2), deformation. Local potential cluster model. Comparison with data.
doi: 10.1103/PhysRevC.61.014310
2000BU02 Phys.Rev. C61, 024314 (2000) B.Buck, A.C.Merchant, M.J.Horner, S.M.Perez Choosing Cluster and Core in Cluster Models of Nuclei NUCLEAR STRUCTURE 218,222,224,226,228Ra, 222,224,226,228,230,232,234Th, 230,232,234,236,238U; calculated transitions B(E2). Cluster models, method for determining cluster size discussed. Comparison with data.
doi: 10.1103/PhysRevC.61.024314
2000BU16 Nucl.Phys. A673, 157 (2000) B.Buck, A.C.Merchant, M.J.Horner, S.M.Perez Normal and Superdeformed Cluster Bands in Heavy Nuclei NUCLEAR STRUCTURE 194Hg, 236U, 240Pu; calculated rotational bands levels, J, π, superdeformed bands features. Cluster model, comparisons with data.
doi: 10.1016/S0375-9474(00)00130-5
2000BU32 Few-Body Systems 29, 53 (2000) B.Buck, A.C.Merchant, S.M.Perez Cluster Selection in Binary Nuclear Models NUCLEAR STRUCTURE 222,224,226,228,230,232,234Th, 218,222,224,226,228Ra, 230,232,234,236,238U, 238,240,242Pu; calculated transitions B(E2), cluster-core configuration features. Comparisons with data.
doi: 10.1007/s006010070008
1999BU03 Phys.Rev. C59, 750 (1999) B.Buck, A.C.Merchant, S.M.Perez Cluster Structure and γ Transitions in Actinide Nuclei NUCLEAR STRUCTURE 226Ra, 232Th, 234,236,238U; calculated E2, E3 transition matrix elements. Binary cluster model. Comparison with data.
doi: 10.1103/PhysRevC.59.750
1999BU06 Nucl.Phys. A650, 37 (1999) B.Buck, A.C.Merchant, S.M.Perez Cluster Model Investigation of 229Th NUCLEAR STRUCTURE 229Th; calculated levels, J, π, μ, quadrupole moment, B(M1), B(E2), parity-doublet bands. Cluster model.
doi: 10.1016/S0375-9474(99)00096-2
1999BU13 J.Phys.(London) G25, 901 (1999) B.Buck, A.C.Merchant, S.M.Perez Exotic Cluster Model of Band Structure in Actinides NUCLEAR STRUCTURE 232Th, 223Ac; calculated levels, J, π. 226Ra, 232Th, 236U; calculated E2 matrix elements. Binary cluster model. Comparison with data.
doi: 10.1088/0954-3899/25/4/065
1999BU14 Nucl.Phys. A652, 211 (1999) B.Buck, A.C.Merchant, S.M.Perez Possible Clustering in Isotopes of Ba NUCLEAR STRUCTURE 140,146Ba; calculated levels, J, π, B(λ). Cluster-core model. Comparison with data.
doi: 10.1016/S0375-9474(99)00163-3
1999BU27 Nucl.Phys. A657, 267 (1999) B.Buck, A.C.Merchant, S.M.Perez Exotic Clustering in Ce and Nd Isotopes NUCLEAR STRUCTURE 146,148,150Ce, 148,150,152,154Nd; calculated levels, J, π, B(E2), quadrupole moments. Exotic cluster model.
doi: 10.1016/S0375-9474(99)00342-5
1998BU06 Phys.Rev. C57, R2095 (1998) B.Buck, A.C.Merchant, S.M.Perez Alternative View of Collective Bands in Actinide Nuclei NUCLEAR STRUCTURE 223Ra, 234U; calculated levels, J, π, rotational bands. Binary cluster model, other actinide nuclei discussed.
doi: 10.1103/PhysRevC.57.R2095
1998BU08 Nucl.Phys. A634, 15 (1998); Erratum Nucl.Phys. A640, 506 (1998) B.Buck, A.C.Merchant, S.M.Perez Cluster Model Investigation of the Structure of 223Ra NUCLEAR STRUCTURE 223Ra; calculated levels, J, π, deformation, B(Eλ), B(Mλ). Pb+C+n cluster model. Comparison with data. RADIOACTIVITY 223Ra(14C); calculated partial decay T1/2. Pb+C+n cluster model.
doi: 10.1016/S0375-9474(98)00131-6
1998BU18 Phys.Rev. C58, 2049 (1998) B.Buck, A.C.Merchant, S.M.Perez Systematic Study of Exotic Clustering in Even-Even Actinide Nuclei NUCLEAR STRUCTURE 220,222,224,226Ra, 226,228,230,232,234Th, 232,234,236,238U, 236,238,240,242,244Pu, 244Cm; calculated levels, J, π, transitions B(E2), B(E4). Binary cluster model.
doi: 10.1103/PhysRevC.58.2049
1998BU23 Phys.Rev. C58, 2990 (1998) B.Buck, A.C.Merchant, S.M.Perez Cluster Model Investgigation of 223Ac NUCLEAR STRUCTURE 223Ac; calculated levels, J, π. Cluster model with odd proton. Comparison with data.
doi: 10.1103/PhysRevC.58.2990
1998BU27 Nucl.Phys. A644, 306 (1998) B.Buck, A.C.Merchant, S.M.Perez Cluster Model Investigation of 233U NUCLEAR STRUCTURE 233U; calculated ground-state μ, Q, bandhead excitation energies, levels J, π, transitions B(E2), B(M1). Pb-Ne-n cluster model.
doi: 10.1016/S0375-9474(98)00595-8
1997BU05 Nucl.Phys. A614, 129 (1997) B.Buck, A.C.Merchant, S.M.Perez Mass-Symmetric Form for Cluster-Core Potentials NUCLEAR STRUCTURE 44Ti, 24Mg; calculated levels, B(λ). 222Ra; 212Po; calculated levels. Cluster-core potentials, mass-symmetric forms.
doi: 10.1016/S0375-9474(96)00448-4
1997BU07 Nucl.Phys. A617, 195 (1997) B.Buck, A.C.Merchant, S.M.Perez Exotic Clustering in 222,224,226Ra RADIOACTIVITY 222,224,226Ra(14C); calculated T1/2. Mixed Saxon-Woods plus cubed Saxon-Woods cluster-core interaction. NUCLEAR STRUCTURE 222,224,226Ra; calculated levels, B(λ), deformation characteristics, (14C)-decay T1/2. Mixed Saxon-Woods plus cubed Saxon-Woods cluster-core interaction.
doi: 10.1016/S0375-9474(97)00043-2
1997BU20 Nucl.Phys. A625, 554 (1997) B.Buck, A.C.Merchant, S.M.Perez Exotic Clustering in 232,234,236,238U NUCLEAR STRUCTURE 232,234,236,238U; calculated levels, B(λ). Pb-Ne binary cluster model. RADIOACTIVITY 232,234U(24Ne); calculated T1/2. Pb-Ne binary cluster model.
doi: 10.1016/S0375-9474(97)00511-3
1997BU28 Nuovo Cim. 110A, 935 (1997) B.Buck, A.C.Merchant, S.M.Perez Exotic Cluster Model of Octupole Deformed Radium Isotopes NUCLEAR STRUCTURE 223Ra; calculated levels J, π, deformation, μ, Q. 222Ra; calculated levels J, π. 226Ra; calculated transitions B(Eλ). Binary cluster model. RADIOACTIVITY 222,224,226Ra(14C); calculated T1/2.
doi: 10.1007/BF03035929
1996BU05 Phys.Rev.Lett. 76, 380 (1996) B.Buck, A.C.Merchant, S.M.Perez Exotic Cluster States in Actinide Nuclei RADIOACTIVITY 224,226,222Ra(14C); 228Th(20O); 232U(24Ne); 234U, 236Pu(28Mg); 230Th, 232U(24Ne); 238Pu(32Si); calculated exotic decay T1/2. Cluster-core potential. NUCLEAR STRUCTURE 222Ra, 228Th, 232U, 236Pu; calculated exotic cluster spectra, B(λ). Cluster-core potential.
doi: 10.1103/PhysRevLett.76.380
1996BU08 Phys.Rev. C53, 2841 (1996) B.Buck, J.C.Johnston, A.C.Merchant, S.M.Perez Cluster Model of α Decay and 212Po NUCLEAR STRUCTURE 212Po; calculated levels, B(λ), α-decay T1/2. Cluster model. NUCLEAR REACTIONS 208Pb(α, α), E=23.5, 40 MeV; calculated σ(θ). Cluster model wave functions.
doi: 10.1103/PhysRevC.53.2841
1996BU35 Phys.Rev. C54, 2063 (1996) B.Buck, A.C.Merchant, S.M.Perez Alpha Decays of Neutron Deficient Isotopes in the Region N > 82 > Z RADIOACTIVITY 159,156Hf, 157,160,161,158,159Ta, 158,163,164W, 160,162,161,163,164,166Re, 163,164,170,172Os, 166,167,168,174,170,171,172,173Ir, 169,171Pt, 173,177,178Au, 175,176,177,178,179Hg, 179Tl, 149Tb, 156,155Lu, 172,174,177Au(α); calculated α-decay T1/2. 156Ta(p); calculated p-emission T1/2. Cluster model, three-parameter local potential with cosh geometry.
doi: 10.1103/PhysRevC.54.2063
1996NE05 Phys.Rev. C54, 1773 (1996); Erratum Phys.Rev. C55, 1605 (1997) R.T.Newman, R.W.Fearick, S.M.Perez, D.G.Aschman, K.Bharuth-Ram, W.A.Richter, F.D.Smit, V.M.Tshivhase, T.S.Volkwyn 0f7/2 Proton Transfer on 55Mn NUCLEAR REACTIONS 55Mn(d, 3He), (d, d), E=46 MeV; measured σ(θ); deduced opptical model parameters. 54Cr deduced levels, J, spectroscopic factors. 55Mn(α, t), E not given; analyzed data. 56Fe levels deduced spins, spectroscopic factors. Spectroscopic sum rules analysis.
doi: 10.1103/PhysRevC.54.1773
1995BU03 Phys.Rev. C51, 559 (1995) B.Buck, A.C.Merchant, S.M.Perez Systematics of Alpha-Cluster States Above Double Shell Closures NUCLEAR STRUCTURE 20Ne, 44Ti, 94Mo, 212Po; calculated levels, B(λ), Γγ, Γα, T1/2 in some cases. Alpha-particle cluster models.
doi: 10.1103/PhysRevC.51.559
1995BU24 Nucl.Phys. A593, 80 (1995) B.Buck, A.C.Merchant, S.M.Perez Model-Dependence of Hindrance Factors for Alpha-Decay, and Consequences for the Description of the 45.1 s Isomeric State of 212Po RADIOACTIVITY 212Po(α); calculated α-decay reduced hindrance factors; deduced model dependence, implication for 212Po isomeric state.
doi: 10.1016/0375-9474(95)00335-X
1995BU25 Phys.Rev. C52, 1840 (1995) B.Buck, J.C.Johnston, A.C.Merchant, S.M.Perez Unified Treatment of Scattering and Cluster Structure in α + Closed Shell Nuclei: 20Ne and 44Ti NUCLEAR STRUCTURE 20Ne; 44Ti; calculated levels, B(λ), α-emission widths. Universal α-core interaction. NUCLEAR REACTIONS 16O(α, α), E=22-49.5 MeV; 40Ca(α, α), E=24.1-49.5 MeV; analyzed σ(θ); deduced model parameters. Universal α-core interaction.
doi: 10.1103/PhysRevC.52.1840
1995BU35 Phys.Rev. D51, 1419 (1995) Magnetic Moments and β Decays of Octet Baryons NUCLEAR MOMENTS 1n, 1H; calculated μ. Simple variant of the constituent quark model. Other aspects of octet baryons included.
doi: 10.1103/PhysRevD.51.1419
1995NE01 Phys.Rev. C51, 1414 (1995) Symmetrical Sum-Rule Analysis of Spectroscopic Factors for One-Nucleon Transfer NUCLEAR STRUCTURE 51V, 59Co; calculated f7/2 nucleon transfer spectroscopic factors. Symmetric sum rule analysis.
doi: 10.1103/PhysRevC.51.1414
1994BU07 J.Phys.(London) G20, 351 (1994) B.Buck, A.C.Merchant, S.M.Perez, P.Tripe Calculation of Exotic Decay Half-Lives for All Observed Cases RADIOACTIVITY 221Fr, 225Ac, 221,223,222,224,226Ra(14C); 228Th(20O); 233,234,235,237U, 231Pa, 230Th(24Ne); 234U, 238,236Pu(28Mg); 238Pu(32Si), (28Mg); 231Pa(23F); 233,235U(25Ne); 114Ba(12C); calculated T1/2, effective Q. Cluster model.
doi: 10.1088/0954-3899/20/2/013
1994BU12 Phys.Rev. C49, 3357 (1994) B.Buck, A.C.Merchant, S.M.Perez Comment on ' α-Decay Properties of Neutron-Deficient Polonium and Radon Nuclei '
doi: 10.1103/PhysRevC.49.3357
1994BU13 Phys.Rev.Lett. 72, 1326 (1994) B.Buck, A.C.Merchant, S.M.Perez Alpha-Cluster Structure in 212Po NUCLEAR STRUCTURE 212Po; calculated α-, γ-decay widths, T1/2, α-branching ratios, ICC for ground state 'band' levels. α-cluster model.
doi: 10.1103/PhysRevLett.72.1326
1993AL14 Phys.Lett. 314B, 173 (1993) M.S.Allie, F.D.Brooks, D.G.Aschman, A.Buffler, W.A.Cilliers, R.W.Fearick, C.G.L.Henderson, M.J.Oliver, M.R.Nchodu, S.M.Perez, D.Steyn, W.R.McMurray, B.R.S.Simpson, F.D.Smit, H.G.Miller, K.Bharuth-Ram, I.J.van Heerden Differential Cross Section for n-p Radiative Capture at E(n) = 63.4 MeV NUCLEAR REACTIONS 1H(n, γ), E=63.4 MeV; measured Iγ(θ); deduced σ(θ) for 2H(γ, p), E ≈ 34 MeV. Legendre polymonial fits.
doi: 10.1016/0370-2693(93)90445-N
1993BU05 Phys.Rev. C47, 1307 (1993) B.Buck, A.C.Merchant, S.M.Perez, P.Tripe Diffuse Well Analysis of Exotic Decay of Heavy Nuclei RADIOACTIVITY 222,224,226Ra(14C); 232U, 230Th(24Ne); 234U, 236Pu(28Mg); 238Pu(32Si); analyzed exotic decay T1/2 data; deduced model parameters. Cluster model, diffuse well.
doi: 10.1103/PhysRevC.47.1307
1993BU09 At.Data Nucl.Data Tables 54, 53 (1993) B.Buck, A.C.Merchant, S.M.Perez Half-Lives of Favored Alpha Decays from Nuclear Ground States RADIOACTIVITY A=106-266; compiled α-decay T1/2 data. Cluster model comparison.
doi: 10.1006/adnd.1993.1009
1992BU03 J.Phys.(London) G18, 143 (1992) B.Buck, A.C.Merchant, S.M.Perez Favoured Alpha Decays of Odd-Mass Nuclei RADIOACTIVITY A=145-257; calculated α-decay T1/2; deduced preformed α-particle existence evidence. Simple cluster model.
doi: 10.1088/0954-3899/18/1/012
1992BU04 Phys.Rev. C45, 1688 (1992) B.Buck, A.C.Merchant, S.M.Perez Ground State Proton Emission from Heavy Nuclei RADIOACTIVITY 109I, 113Cs, 147Tm, 151,150Lu, 156Ta, 160Re(p); calculated p-decay T1/2. Realistic proton-nucleus potential.
doi: 10.1103/PhysRevC.45.1688
1992BU06 Phys.Rev. C45, 2247 (1992) B.Buck, A.C.Merchant, S.M.Perez α Decay Calculations with a Realistic Potential NUCLEAR STRUCTURE N=80-160; calculated α-decay T1/2; deduced α-particle preformation probability dependence on mass.
doi: 10.1103/PhysRevC.45.2247
1992PE01 Phys.Rev. C45, 870 (1992) S.M.Perez, R.M.Quick, N.J.Davidson, H.G.Miller, F.Solms Reconstruction of the Spin Dependence of One-Nucleon-Transfer Spectroscopic Sums from Incomplete Information NUCLEAR STRUCTURE 49Ti, 45Sc; calculated f7/2 proton pickup, stripping spectroscopic factors.
doi: 10.1103/PhysRevC.45.870
1991BU01 J.Phys.(London) G17, L91 (1991) B.Buck, A.C.Merchant, S.M.Perez Unifying Model for Alpha Decay and Exotic Decay of Heavy Nuclei RADIOACTIVITY 222,224,226Ra(14C); 230Th, 232U(24Ne); 234U, 234Pu(28Mg); 238Pu(32Si); analyzed decay data. Extension of α-decay model.
doi: 10.1088/0954-3899/17/6/001
1991BU05 J.Phys.(London) G17, 1223 (1991) B.Buck, A.C.Merchant, S.M.Perez Ground State to Ground State Alpha Decays of Heavy Even-Even Nuclei RADIOACTIVITY A=164-264; analyzed α-decay T1/2 data; deduced Geiger-Nuttal plot discontinuity features. Cluster model.
doi: 10.1088/0954-3899/17/8/012
1990BU13 Nucl.Phys. A512, 483 (1990) B.Buck, A.C.Merchant, S.M.Perez Can We Obtain Nuclear Structure Information from Exotic Decays of Heavy Nuclei ( Question ) RADIOACTIVITY 221Fr, 221,222,223,224,226Ra, 225Ac(14C), (α); 230Th, 231Pa, 232,233U(24Ne), (α); calculated exotic, α-decay T1/2. Cluster model.
doi: 10.1016/0375-9474(90)90082-W
1990BU30 Phys.Rev.Lett. 65, 2975 (1990) B.Buck, A.C.Merchant, S.M.Perez New Look at α Decay of Heavy Nuclei RADIOACTIVITY 220,222,224,226,228,230,232Th, 214,216,218,206,204,202,200,198,196,194,192Po, 172,174,176,178,180,182,184,186,188,190Pt(α); analyzed T1/2 data. 200,202,204,206,208Rn, 206,208,210Ra; analyzed T1/2 differences. Z=76-100; analyzed α-decay data. Preformed α-particle model.
doi: 10.1103/PhysRevLett.65.2975
1988PE05 Phys.Rev.Lett. 60, 1342 (1988) Comment on ' Spectroscopic Strength of 1f7/2 Transitions Deduced from the Reaction 51V(e, e'p)50Ti ' NUCLEAR REACTIONS 51V(e, e'p), E not given; analyzed data. 50Ti deduced 1f7/2 transition strength characteristics. Spin-dependent sum rules.
doi: 10.1103/PhysRevLett.60.1342
1987PE12 Phys.Rev. C36, 1202 (1987) Predictions for Magnetic Moments and β-Decay Transition Strengths for Mirror Nuclei NUCLEAR STRUCTURE 23Mg, 33Cl, 37Ar, 43Ti, 51Fe, 55Ni; calculated μ. Empirical mirror β-decay input, correlation.
doi: 10.1103/PhysRevC.36.1202
1984CL06 Nucl.Phys. A423, 10 (1984) C.F.Clement, D.Wilmore, S.M.Perez The Continuum Strength of Single-Particle States in Nuclei NUCLEAR STRUCTURE 28Si, 32S, 40Ca; calculated stripping, pickup spectroscopic strengths. Empirical optical model, continuum calculation.
doi: 10.1016/0375-9474(84)90295-1
1984MC05 Z.Phys. A315, 189 (1984) W.R.McMurray, K.Bharuth-Ram, S.M.Perez Excitation of the Analogue of the T( > ) Giant Dipole Resonance of 90Zr via the (n, p) Reaction NUCLEAR REACTIONS 90Zr(n, p), E=21.8 MeV; measured σ(Ep, θ). 90Zr deduced GDR T( > ) component, other resonance excitation. DWBA analysis, Lane potential.
doi: 10.1007/BF01419378
1983BU07 Phys.Rev.Lett. 50, 1975 (1983); Erratum Phys.Rev.Lett. 51, 1395 (1983) New Look at Magnetic Moments and Beta Decays of Mirror Nuclei NUCLEAR STRUCTURE A=3-43; analyzed μ, β-decay data; deduced axial vector coupling constant quenching, effective orbital nucleon g factors. Model independent method.
doi: 10.1103/PhysRevLett.50.1975
1981BI15 J.Phys.(London) G7, 1647 (1981) M.C.Birse, C.F.Clement, S.M.Perez Sum Rules for Two Identical-Nucleon Transfer Reactions on Odd-Mass Nuclei NUCLEAR STRUCTURE 45Sc; calculated two-nucleon transfer operator reduced matrix elements. Single-step transfer.
doi: 10.1088/0305-4616/7/12/013
1981CL03 Phys.Lett. 100B, 294 (1981) Observables for the Even Type of Nucleon in the Ground States of Odd-Mass Nuclei NUCLEAR STRUCTURE 45Sc, 49,47Ti; calculated multipole matrix elements. Even type nucleon in ground state.
doi: 10.1016/0370-2693(81)90090-3
1981CL04 Nucl.Phys. A362, 86 (1981) Multipole Moments and Spin-Dependent Sum Rules and Their Applications to f7/2 and s-d Shell Nuclei NUCLEAR STRUCTURE 41,43Ca, 45Sc, 51V, 49Ti; calculated multipole matrix elements, f7/2-shell nucleon occupancy; 45Sc, 49Ti; calculated f7/2-nucleon transfer S; 49Ti, 51V; calculated quadrupole moment; 26Al, 30P, 34Cl; calculated proton transfer S; 28Al, 36Cl, 32P; calculated neutron transfer S; 31P; calculated neutron pickup S. Spin-dependent spectroscopic sum rules, separate neutron, proton multipole operaters.
doi: 10.1016/0375-9474(81)90671-0
1981CL05 J.Phys.(London) G7, L293 (1981) The Determination of j> and j< Components of Spectroscopic Sums for One-Nucleon Transfer using Approximate Non-Energy-Weighted Sum Rules NUCLEAR STRUCTURE 19F, 29Si; calculated one-nucleon transfer S j-dependence. Approximate nonenergy-weighted sum rules, least squares method.
doi: 10.1088/0305-4616/7/3/006
1979CL01 Phys.Lett. 81B, 269 (1979) The Spin Dependence of Spectroscopic Sums for Nucleon Transfer on Odd-Mass Nuclei NUCLEAR STRUCTURE 45Sc, 49Ti; calculated spectroscopic sums for stripping, pickup for f7/2 nucleon. Spherical multipole moment operator formalism.
doi: 10.1016/0370-2693(79)90332-0
1978CL06 Phys.Lett. 77B, 145 (1978) f7/2 Neutron Occupancies in the Ca Isotopes NUCLEAR STRUCTURE 40,41,42,43,44Ca; calculated neutron occupancies.
doi: 10.1016/0370-2693(78)90608-1
1977BH01 Nucl.Phys. A278, 285 (1977) K.Bharuth-Ram, S.M.Perez, F.D.Brooks, S.A.R.Wynchank, W.R.McMurray Excitation of the Analogue Dipole State in 28Al via the Reaction 28Si(n, p)28Al NUCLEAR REACTIONS 28Si(n, p), E=21.6 MeV; measured σ(Ep, θ(p)). Natural target.
doi: 10.1016/0375-9474(77)90240-8
1977CH01 Phys.Rev. C15, 53 (1977) N.S.Chant, N.S.Wall, C.F.Clement, S.M.Perez, J.N.Craig Normalization of the (d, 3He) Reaction NUCLEAR REACTIONS 12C, 51V(d, 3He), E=80 MeV; analyzed relative S; deduced normalization constant. J-dependent sum rule analysis.
doi: 10.1103/PhysRevC.15.53
1977CL01 Nucl.Phys. A284, 469 (1977) Non-Energy-Weighted Sum Rule Analysis of One Nucleon Transfer Data on 41Ca, 43Ca, 45Sc, 49Ti and 51V and the Validity of the Shell Model NUCLEAR STRUCTURE 41,43Ca, 45Sc, 51V, 49Ti; analyzed spin dependent sum-rules for S. 51V deduced inconsistency with Hartree-Fock-Bogolyubov calculations.
doi: 10.1016/0375-9474(77)90397-9
1976CL01 Phys.Lett. 62B, 381 (1976) Effective 1f27/2 Matrix Elements from Energy-Weighted Sum Rule Analyses of One Nucleon Transfer Reactions on 43Ca, 45Sc, 48Ti and 51V NUCLEAR STRUCTURE 48,42Sc; calculated levels.
doi: 10.1016/0370-2693(76)90662-6
1976CL02 J.Phys.(London) G2, L77 (1976) C.F.Clement, B.Georgiev, S.M.Perez Quadrupole Moments of 1s-0d Shell Nuclei NUCLEAR STRUCTURE 23Na, 35,37Cl, 39K; calculated quadrupole moments from spectroscopic data.
doi: 10.1088/0305-4616/2/6/001
1974CL05 J.Phys.(London) A7, L93 (1974) Quadrupole Moments of 35,37Cl in the Overlap Representation NUCLEAR STRUCTURE 35,37Cl; calculated quadrupole moment.
doi: 10.1088/0305-4470/7/8/001
1974CL09 J.Phys.(London) A7, 1464 (1974) The Absolute Normalization of Spectroscopic Factors for Proton Transfer Reactions on 35,37Cl NUCLEAR REACTIONS 35,37Cl(d, 3He), (3He, d); calculated S.
doi: 10.1088/0305-4470/7/12/011
1973CL11 Nucl.Phys. A213, 510 (1973) Application of Spin-Dependent Sum Rules for Spectroscopic Factors to Transfer Reactions on 45Sc NUCLEAR REACTIONS 45Sc(d, p), (d, t); measured nothing. 44,46Sc levels deduced J, π.
doi: 10.1016/0375-9474(73)90749-5
1973PE09 Nucl.Phys. A208, 449 (1973) A Theoretical Study of Core-Polarisation Effects on E2 Transitions in Mass-19 Nuclei and in the 19F(p, p')19F Reaction NUCLEAR STRUCTURE 19F, 19Ne; calculated core polarization, γ-multipolarities, S. NUCLEAR REACTIONS 19F(p, p'), E=17.5 MeV; calculated σ(θ).
doi: 10.1016/0375-9474(73)90667-2
1973PE13 Phys.Rev. C8, 1606 (1973) Possible Form for the 6Li-6Li Optical Potential NUCLEAR REACTIONS 6Li(6Li, 6Li), E(cm)=9-16 MeV; calculated σ(θ); deduced optical-model parameters.
doi: 10.1103/PhysRevC.8.1606
1972CL14 Nucl.Phys. A196, 561 (1972) Zero Orbital Angular Momentum Transfer Reactions Induced by 6Li Ions
doi: 10.1016/0375-9474(72)90793-2
1971CL05 Nucl.Phys. A165, 569 (1971) The Excitation of Analogue-Dipole States NUCLEAR REACTIONS 58Ni(n, p), E=15, 22 MeV; calculated σ(θ).
doi: 10.1016/0375-9474(71)90471-4
1970CL09 Phys.Lett. 33B, 391 (1970) Excitation of the Nuclear Giant Dipole State by α-Particles NUCLEAR REACTIONS 208Pb(α, α'γ), E=65 MeV; calculated σ(θ) for giant dipole state excitation.
doi: 10.1016/0370-2693(70)90612-X
1970PE19 Phys.Lett. 33B, 317 (1970) Gamma Particle-Hole States in 208Pb NUCLEAR STRUCTURE 208Pb; calculated levels, giant dipole resonance strength.
doi: 10.1016/0370-2693(70)90240-6
1969PE10 Nucl.Phys. A136, 599 (1969) Particle-Hole States in 16O and 40Ca NUCLEAR STRUCTURE 16O, 40Ca; calculated negative-parity levels. Particle-hole model.
doi: 10.1016/0375-9474(69)90131-6
1968DI06 Nucl.Phys. A114, 330(1968) O.Dietzsch, R.A.Douglas, E.F.Pessoa, V.G.Porto, E.W.Hamburger, T.Polga, O.Sala, S.M.Perez, P.E.Hodgson Deuteron-Induced Reactions on 16O NUCLEAR REACTIONS 16O(d, d), (d, p), (d, n), (d, α), E=2 to 3.5 MeV; measured σ(E;θ).
doi: 10.1016/0375-9474(68)90358-8
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