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NSR database version of May 10, 2024.

Search: Author = A.Bhagwat

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2023BH07      Eur.Phys.J. A 59, 299 (2023)

A.Bhagwat, M.Centelles, X.Vinas, R.Wyss

Mic–Mac model based on the Wigner–Kirkwood method

NUCLEAR STRUCTURE A<120; analyzed available data; deduced binding energies, ground-state properties of these 551 nuclei using the well-known Finite Range Droplet Model and the Lublin–Strasbourg Drop Model, the Gogny forces within an Extended Thomas-Fermi approximation, Mic–Mac model using the Gogny D1S (D1M) force gives a fairly good description of the ground-state energies with a rms deviation of 834 keV (819 keV).

doi: 10.1140/epja/s10050-023-01209-y
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2021BH02      Phys.Rev. C 103, 024320 (2021)

A.Bhagwat, M.Centelles, X.Vinas, P.Schuck

Woods-Saxon type of mean-field potentials with effective mass derived from the D1S Gogny force

NUCLEAR STRUCTURE 40Ca, 68Ni, 132Sn, 208Pb; calculated nucleon density distributions, neutron and proton mean fields for 132Sn and 208Pb, spin-orbit potentials and effective masses for 208Pb. 16O, 40,48Ca, 56,78Ni, 90Zr, 100,132Sn, 208Pb; calculated rms neutron and proton radii. Hartree-Fock, expectation value method (EVM), and ETF approaches, using D1S Gogny force.

doi: 10.1103/PhysRevC.103.024320
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2021BH03      Phys.Rev. C 103, 024321 (2021)

A.Bhagwat, M.Centelles, X.Vinas, P.Schuck

Microscopic-macroscopic approach for ground-state energies based on the Gogny force with the Wigner-Kirkwood averaging scheme

ATOMIC MASSES A=20-264, Z=10-108; calculated ground state energies of 551 spherical and deformed even-even nuclei. A=58-80, Z=30; A-114-148, Z=56; A=168-202, Z=78; A=196-216, Z=86; calculated binding energies; deduced differences from the evaluated data. 102,104,106,108,110,112,114,116,118,120,122,124,126,128,130,132,134Sn, 146,148,150,152,154,156,158,160,162,164,166,168Dy, 180,182,184,186,188,190,192,194,196,198,200,202,204,206,208,210,212,214Pb; calculated S(2n). 72Kr, 90,92,94Se, 98,100,102Ru, 124Xe, 186Pb; calculated potential-energy surfaces (PES) in (β, γ) plane. Wigner-Kirkwood Macroscopic-Microscopic model based on the Gogny D1S interaction, and by the Mic-Mac Gogny-based models. Comparison with evaluated data in AME-2012. Data for all the nuclei listed in the supplemental material of the article.

doi: 10.1103/PhysRevC.103.024321
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2018DE38      Rom.J.Phys. 63, 304 (2018)

H.M.Devaraja, Y.K.Gambhir, A.Bhagwat, M.Gupta, S.Heinz, G.Munzenberg

Half Lives and Q Values of Nuclei Appearing in the α-Decay Chains of Recently Reported New Isotopes

NUCLEAR STRUCTURE 207,208,213Fr, 208Ra; calculated charge radii. Comparison with experimental values.

RADIOACTIVITY 233Bk, 223,229Am, 219,225Np, 215,221Pa, 211,217Ac, 207,208,213Fr, 216U, 212Th(α); calculated Q-values, T1/2. Comparison with experimental data.


2018UP01      J.Phys.(London) G45, 015106 (2018)

N.J.Upadhyay, A.Bhagwat, B.K.Jain

A new treatment of nonlocality in scattering process

NUCLEAR REACTIONS 12C, 56Fe(n, n), E not given; calculated σ(θ).

doi: 10.1088/1361-6471/aa9877
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2018UP02      Phys.Rev. C 98, 024605 (2018)

N.J.Upadhyay, A.Bhagwat

Taylor approximation to treat nonlocality in the scattering process

NUCLEAR REACTIONS 24Mg, 40Ca, 100Mo, 208Pb(n, n), (n, n'), E<10 MeV; calculated total σ(E), differential σ(θ, E) using Taylor approximation to the radial wavefunction within the iterative mean value theorem (IMVT) scheme, with and without an iterative perturbation approach. Solution of integro-differential equation. Comparison with experimental values and results from the IMVT scheme.

doi: 10.1103/PhysRevC.98.024605
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2017BH09      Phys.Rev. C 96, 031302 (2017)

A.Bhagwat, R.J.Liotta

Cluster decay in the superallowed α decay region

RADIOACTIVITY 108,110,112,114Te, 110,112,114,116,118Xe, 114,116,118,120Ba(α); 110,112,114Xe, 114,116,118,120Ba(12C); 114,116,118Ba(16O); calculated half-lives, cluster formation probabilities in the superallowed α-decay region using theory which includes a microscopic treatment of the cluster center-of-mass motion.

doi: 10.1103/PhysRevC.96.031302
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2017SH31      J.Phys.(London) G44, 105107 (2017)

M.Sharma, W.Haider, A.Bhagwat

Analysis of 11Be + p elastic scattering using a BHF approach

NUCLEAR REACTIONS 1H(11Be, 11Be), E=63.7 MeV/nucleon; calculated optical potential parameters, σ(θ), neutron and proton densities, σ. Comparison with available data.

doi: 10.1088/1361-6471/aa8890
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2015BH14      Phys.Rev. C 92, 044312 (2015)

A.Bhagwat, R.J.Liotta

Consistent description of the cluster-decay phenomenon in transactinide nuclei

RADIOACTIVITY 222,224,226Ra(14C); 228Th(20O); 230U(22Ne); 230,232Th, 232,234,236U(24Ne); 232Th, 234,236U(26Ne); 232,234,236U, 236,238Pu(28Mg); 236U, 238Pu(30Mg); 238Pu(32Si); 240Pu, 242Cm(34Si); 222,224,226Ra, 228,230,232Th, 230,232,234,236U, 236,238,240Pu, 242Cm(α); calculated half-lives for cluster and α decays. Woods-Saxon mean field calculations. Comparison with experimental values.

doi: 10.1103/PhysRevC.92.044312
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2015GA43      J.Phys.(London) G42, 125105 (2015)

Y.K.Gambhir, A.Bhagwat, M.Gupta

The highest limiting Z in the extended periodic table

NUCLEAR STRUCTURE Z=100-180; calculated binding, neutron pairing, single neutron separation energies; deduced the limiting values of Z. Relativistic mean field formulation, comparison with available data.

doi: 10.1088/0954-3899/42/12/125105
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2015MA31      Phys.Rev. C 91, 047301 (2015)

J.P.Maharana, A.Bhagwat, Y.K.Gambhir

Microscopic investigations of α emitters close to the N=Z line

RADIOACTIVITY 104,106,108,110,112,114,116,118Te, 106,108,110,112,114,116,118,120I, 108,110,112,114,116,118,120,122Xe, 110,112,114,116,118Cs, 112,114,116Ba, 144Nd, 146,148Sm, 150,152Gd, 154Dy, 142Er, 153Tm, 155Yb, 156,157Hf, 157Ta, 159,160W, 161,162Re, 162Os, 166Ir, 168,171,190Pt, 173Au, 174,175Hg, 179Tl, 181Pb(α); calculated half-lives, neutron skin thicknesses, charge radii, deformation parameter β2. Double folding model using density dependent M3Y nucleon-nucleon interaction and the RMF nuclear density distributions. WKB approximation for half-lives. Comparison with experimental data.

doi: 10.1103/PhysRevC.91.047301
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2015VI04      Phys.Scr. 90, 114001 (2015)

X.Vinas, A.Bhagwat, M.Centelles, P.Schuck, R.Wyss

Applications to nuclear properties of the microscopic-macroscopic model based on the semiclassical Wigner-Kirkwood method

NUCLEAR STRUCTURE Zn, Ba, Pt, Rn; calculated 2 neutron separation energies. Comparison with experimental data.

RADIOACTIVITY 112,114,116Te, 116,118,120,122,124Ba, 114,116,118,120Xe, No, Rf, Sg, Hs, Ds(α); calculated Q-value, T1/2. Comparison with experimental data.

doi: 10.1088/0031-8949/90/11/114001
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2014BH16      Phys.Rev. C 90, 064306 (2014)

A.Bhagwat

Simple nuclear mass formula

ATOMIC MASSES Z>7, N>7; calculated g.s. binding energies for 8979 nuclei, deduced differences between calculated and experimental masses from AME-2012 for 2353 nuclei. 141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163Gd; calculated S(n), S(2n). 63Ga, 65As, 67Se, 71Kr; calculated S(p). 110Xe, 112Xe, 114Xe, 116Xe, 118Xe, 120Xe, 138Xe, 268Db, 272Bh, 276Mt, 281Ds, 280Rg, 282,285Cn, 284Nh, 286,289Fl, 288Mc, 290,293Lv, 294Og; calculated Q(α). 114Ba, 223Ra, 228,230Th, 231Pa, 230,232,233,235,236U, 238Pu, 242Cm; calculated Q values for cluster decays. Comparison with experimental values. Proposed a simple nuclear mass formula based on microscopic-macroscopic approach.

doi: 10.1103/PhysRevC.90.064306
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2014RA12      Phys.Rev. C 89, 067601 (2014)

S.Rafi, A.Bhagwat, W.Haider, Y.K.Gambhir

Nucleon density distribution in 9C

NUCLEAR REACTIONS 9C(p, p), E=290 MeV; 12C(p, p), E=300 MeV; analyzed σ(θ) and analyzing power Ay(θ) data using Argonne v-18 NN interaction with the relativistic mean-field (RMF) density in Brueckner-Hartree-Fock (BHF) framework.

doi: 10.1103/PhysRevC.89.067601
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2012BH10      Phys.Rev. C 86, 044316 (2012)

A.Bhagwat, X.Vinas, M.Centelles, P.Schuck, R.Wyss

Microscopic-macroscopic approach for binding energies with the Wigner-Kirkwood method. II. Deformed nuclei

NUCLEAR STRUCTURE 63Ge, 65As, 67Se, 71,80,82,84,86,88,90,92,94,96,98,100,102,104Kr, 76,78,80,82,84,86,88,90,92,94,96,98,100,102Sr, 84,86,88,90,92,94,96,98,100,102,104,106,108Zr, 86,88,90,92,94,96,98,100,102,104,106,108,110Mo, 100,102,104,106,108,110,112,114,116,118,120,122,124,126,128,130,132,134Sn, 140,142,144,146,148,150,152,154,156,158,160,162Gd, 186,188,190,192,194,196,198,200,202,204,206,208,210,212,214Po; calculated S2n, β2, Sp, binding energy using Microscopic-macroscopic model with Wigner-Kirkwood expansion. Comparison with experimental data. Z, N>7; deduced difference between the calculated and the corresponding experimental binding energies for 561 nuclides.

RADIOACTIVITY 279,280Rg, 282,283Nh, 287,288,289Fl, 287,288Mc, 291,292,293Lv, 294Og(α); calculated Q values and half-lives. Comparison with experimental data.

doi: 10.1103/PhysRevC.86.044316
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2012RA20      Phys.Rev. C 86, 034612 (2012)

S.Rafi, A.Bhagwat, W.Haider, Y.K.Gambhir

Brueckner-Hartree-Fock-based optical potential for proton-4, 6, 8He and proton-6, 7, 9, 11Li scattering

NUCLEAR REACTIONS 4,6,8He, 6,7,9,11Li(p, p'), E=71.9 MeV; calculated σ(θ), Ay(θ), neutron and proton density distributions. 4,6,8He, 6,7,8,9,11Li; calculated neutron, proton and matter radii. Bethe-Brueckner-Hartree-Fock approach for optical potential. Comparison with experimental data.

doi: 10.1103/PhysRevC.86.034612
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2011BH06      Int.J.Mod.Phys. E20, 1663 (2011)

A.Bhagwat, Y.K.Gambhir

Evolution of shell structure in nuclei

NUCLEAR STRUCTURE 14,16,18,20,22,24,26,28,30,32O, 54,56,58,60,62,64,66,68,70,72,74,76,78,80,82,84,86,88,90,92,94,96,98,100,102Ni, 80,82,84,86,88,90,92,94,96,98,100,102,104,106,108,110,112,114,116,118,120,122,124,126,128,130,132,134,136,138,140,142,144,146,148,150,152,154Zr, 98,100,102,104,106,108,110,112,114,116,118,120,122,124,126,128,130,132,134,136,138,140,142,144,146,148,150,152,154,156,158,160,162,164,166,168,170,172,174,176,178,180Sn, 180,182,184,186,188,190,192,194,196,198,200,202,204,206,208,210,212,214,216,218,220,222,224,226,228,230,232,234,236,238,240,242,244,246,248,250,252,254,256,258,260,262,264,266,268,270,272Pb, 130,132,134,136,138,140,142,144,146,148,150,152,154,156,158,160,162,164,166,168,170,172,174Gd; calculated pairing energy, two-neutron separation energy. RMF calculations, comparison with experimental data.

doi: 10.1142/S0218301311019581
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2011RA30      Phys.Rev. C 84, 037604 (2011)

S.Rafi, D.Pachouri, M.Sharma, A.Bhagwat, W.Haider, Y.K.Gambhir

Microscopic description of proton scattering at 295 MeV from Pb isotopes

NUCLEAR REACTIONS 58Ni, 204,206,208Pb(polarized p, p), E=295 MeV; analyzed σ, σ(θ), vector analyzing powers, spin rotation parameter, proton and neutron charge densities. Brueckner-Hartree-Fock model with RMF densities and three different Hamiltonians; deduced microscopic optical potential parameters.

doi: 10.1103/PhysRevC.84.037604
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2011SH10      Phys.Rev. C 83, 031601 (2011)

M.Sharma, A.Bhagwat, Z.A.Khan, W.Haider, Y.K.Gambhir

Neutron density distribution and the halo structure of 22C

NUCLEAR REACTIONS 1H(19C, X), (20C, X), (22C, X), E=40 MeV/nucleon; calculated reaction cross sections, rms radii, neutron density distributions using the finite range Glauber model (FRGM) and the microscopic optical potential calculated within the Brueckner-Hartree-Fock formalism (BHF) formalism. Halo structure in 22C. Comparison with experimental data.

doi: 10.1103/PhysRevC.83.031601
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2010BH05      Phys.Rev. C 81, 044321 (2010)

A.Bhagwat, X.Vinas, M.Centelles, P.Schuck, R.Wyss

Microscopic-macroscopic approach for binding energies with the Wigner-Kirkwood method

NUCLEAR STRUCTURE 40Ca, 132Sn, 208Pb; calculated coulomb potential, Wigner-Kirkwood energies and ground state energies as function of quadrupole deformation. 136,138,140,142,144,146,148,150,152,154,156Gd, 138,140,142,144,146,148,150,152,154,156,158Dy, 178,180,182,184,186,188,190,192,194,196,198,200,202,204,206,208,210,212,214Pb; calculated Strutinsky shell corrections. 38,40,42,44,46,48,50,52Ca, 40,42,44,46,48,50,52Sc, 40,42,44,46,48,50,52,54Ti, 100,102,104,106,108,110,112,114,116,118,120,122,124,126,128,130,132,134Sn, 178,180,182,184,186,188,190,192,194,196,198,200,202,204,206,208,210,212,214Pb; calculated binding energies, one-neutron and two-neutron separation energies. A=40-152, A=18-220; calculated binding energies for a set of 367 spherical nuclei. Classical Wigner-Kirkwood expansion method for spherical and deformed nuclei. Comparison with experimental data.

doi: 10.1103/PhysRevC.81.044321
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2010BH06      Int.J.Mod.Phys. E19, 747 (2010)

A.Bhagwat, X.Vinas, R.Wyss, P.Schuck

Wigner-Kirkwood method for microscopic-macroscopic calculation of binding energies

NUCLEAR STRUCTURE 188,190,192,194,196,198,200,202,204,206,208,210,212,214Pb, 134,136,138,140,142,144,146,148,150,152,154,156,158Dy; calculated Coulomb potential, deformation parameters, shell corrections, binding energies.

doi: 10.1142/S0218301310015187
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2009BH01      J.Phys.(London) G36, 025105 (2009)

A.Bhagwat, Y.K.Gambhir

Systematics of strong absorption radii and its relevance to the calculation of reaction cross sections

NUCLEAR REACTIONS 12C, 14N, 16O, 20Ne, 24Mg, 27Al, 28Si, 32S, 40Ar, 40Ca, 54,56,57Fe, 64,66,68Zn(12C, X), E < 1 GeV/nucleon; 27Al, 56Fe, 64Zn(20Ne, X), E=30, 100 MeV/nucleon; 28Si(Ne, X), (Si, X), E=38-61 MeV/nucleon; calculated reaction cross sections using the finite range Glauber model.

doi: 10.1088/0954-3899/36/2/025105
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2008BH04      Phys.Rev. C 77, 027602 (2008)

A.Bhagwat, Y.K.Gambhir

Microscopic description of recently measured reaction cross sections of neutron-rich nuclei in the vicinity of the N = 20 and N = 28 closed shells

NUCLEAR REACTIONS 28Si(17N, X), (18N, X), (19N, X), (20N, X), (21N, X), (22N, X), (19O, X), (20O, X), (21O, X), (22O, X), (23O, X), (24O, X), (21F, X), (22F, X), (23F, X), (24F, X), (25F, X), (26F, X), (27F, X), (23Ne, X), (24Ne, X), (25Ne, X), (26Ne, X), (27Ne, X), (28Ne, X), (29Ne, X), (30Ne, X), (25Na, X), (26Na, X), (27Na, X), (28Na, X), (29Na, X), (30Na, X), (31Na, X), (32Na, X), (33Na, X), (28Mg, X), (29Mg, X), (30Mg, X), (31Mg, X), (32Mg, X), (33Mg, X), (34Mg, X), (35Mg, X), (36Mg, X), (30Al, X), (31Al, X), (32Al, X), (33Al, X), (34Al, X), (35Al, X), (36Al, X), (37Al, X), (38Al, X), (39Al, X), (33Si, X), (34Si, X), (35Si, X), (36Si, X), (37Si, X), (38Si, X), (39Si, X), (40Si, X), (36P, X), (37P, X), (38P, X), (39P, X), (40P, X), (41P, X), (42P, X), (43P, X), (39S, X), (40S, X), (41S, X), (42S, X), (43S, X), (44S, X), (42Cl, X), (43Cl, X), (44Cl, X), (45Cl, X), (46Cl, X), (45Ar, X), (46Ar, X), (47Ar, X), E=30-65 MeV/nucleon; calculated cross sections, compared with available data.

doi: 10.1103/PhysRevC.77.027602
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2008BH07      J.Phys.(London) G35, 065109 (2008)

A.Bhagwat, Y.K.Gambhir

The α-nucleus potential for fusion and decay

RADIOACTIVITY 238U, 225Pa, 271Ds(α); calculated α-decay half-lives.

NUCLEAR REACTIONS 206,208Pb, 209Bi(α, X), E=16-21 MeV; calculated fusion cross sections.

doi: 10.1088/0954-3899/35/6/065109
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2008PR06      Int.J.Mod.Phys. E17, 611 (2008)

P.Prema, S.Mahadevan, C.S.Shastry, A.Bhagwat, Y.K.Gambhir

Study of alpha decay of super heavy elements using S-matrix and WKB methods

doi: 10.1142/S0218301308010039
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2006BH01      Phys.Rev. C 73, 024604 (2006)

A.Bhagwat, Y.K.Gambhir

Microscopic description of measured reaction cross sections at low projectile energies

NUCLEAR REACTIONS 12C(8B, X), (12C, X), (16C, X), E ≈ 30-1000 MeV/nucleon; 40Ca, 90Zr, 208Pb(12C, X), E ≈ 10-40 MeV/nucleon; 12C(13C, X), (14C, X), (15C, X), (14N, X), (15N, X), (16N, X), (17N, X), (18N, X), (16O, X), (17O, X), (18O, X), E ≈ 20-40 MeV/nucleon; 51,52,53,54,55,56,57,58,59Fe, 64,66,68Zn(12C, X), E=83 MeV/nucleon; 28Si, Cu(6Li, X), (7Li, X), (8Li, X), (9Li, X), (11Li, X), (7Be, X), (9Be, X), (10Be, X), (11Be, X), (12Be, X), (14Be, X), E ≈ 10-65 MeV/nucleon; 28Si(64Ga, X), (65Ga, X), (66Ga, X), (67Ga, X), (68Ga, X), (65Ge, X), (66Ge, X), (67Ge, X), (68Ge, X), (69Ge, X), (70Ge, X), (68As, X), (69As, X), (70As, X), (71As, X), (69Se, X), (70Se, X), (71Se, X), (72Se, X), (73Se, X), (72Br, X), (73Br, X), (74Br, X), (75Br, X), E ≈ 60-70 MeV/nucleon; Cu(α, X), (6He, X), (10B, X), (11B, X), (12B, X), (13B, X), (14B, X), (15B, X), (17B, X), (11C, X), (12C, X), (13C, X), (14C, X), (15C, X), (16C, X), (17C, X), (18C, X), (19C, X), (13N, X), (14N, X), (15N, X), (16N, X), (17N, X), (18N, X), (19N, X), (15O, X), (16O, X), (17O, X), (18O, X), (19O, X), (20O, X), (21O, X), (18F, X), (19F, X), (20F, X), (21F, X), (20Ne, X), (21Ne, X), E ≈ 10-65 MeV/nucleon; calculated reaction σ. Glauber model, comparison with data.

NUCLEAR STRUCTURE 4,6,8He, 6,7,8,9,11Li, 7,9,10,11,12,14Be; calculated neutron density distributions.

doi: 10.1103/PhysRevC.73.024604
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2006BH02      Phys.Rev. C 73, 054601 (2006)

A.Bhagwat, Y.K.Gambhir

Recently measured reaction cross sections with low energy fp-shell nuclei as projectiles: Microscopic description

NUCLEAR STRUCTURE 63,64,65,66,67,68Ga, 65,66,67,68,69,70Ge, 67,68,69,70,71As, 69,70,71,72,73Se, 72,73,74,75Br; calculated matter radii.

NUCLEAR REACTIONS 12C(12C, X), E=30-1000 MeV/nucleon; (13C, X), (14C, X), (15C, X), (16C, X), E not given; 28Si(64Ga, X), (65Ga, X), (66Ga, X), (67Ga, X), (68Ga, X), (65Ge, X), (66Ge, X), (67Ge, X), (68Ge, X), (69Ge, X), (70Ge, X), (68As, X), (69As, X), (70As, X), (71As, X), (69Se, X), (70Se, X), (71Se, X), (72Se, X), (73Se, X), (72Br, X), (73Br, X), (74Br, X), (75Br, X), E ≈ 60-70 MeV/nucleon; calculated reaction σ. Finite-range Glauber model, Coulomb modification, comparison with data.

doi: 10.1103/PhysRevC.73.054601
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2006GA42      Physics of Part.and Nuclei 37, 194 (2006)

Y.K.Gambhir, A.Bhagwat

Relativistic Mean Field and Some Recent Applications

doi: 10.1134/S106377960602002X
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2005BH02      Phys.Rev. C 71, 017301 (2005)

A.Bhagwat, Y.K.Gambhir

Relativistic mean field description of cluster radioactivity

NUCLEAR STRUCTURE 221Fr, 221,222,223,224Ra, 225Ac, 226,228,230,232Th, 231Pa, 230,232,233,234,235,236U, 237Np, 236,238,240Pu, 242Am, 242Cm; calculated charge radii. 206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232Ra; calculated isotope shifts. Comparison with data.

RADIOACTIVITY 224,226,228Th, 221Ra, 221Fr, 223Ra, 225Ac(14C); 231Pa, 232,233,234,235U, 230,232Th(24Mg); 233,234U, 236,237Np(28Mg); 236U, 237,238Np(30Mg); 240Np, 242Cm, 241Am(34Si); 238Pu(32Si); 231Pa(23F); 226Th(18O); 233,235U(25Ne); 228Th(20O); calculated cluster decay T1/2, Q-values. Relativistic mean field approach, comparisons with data.

doi: 10.1103/PhysRevC.71.017301
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2005BH12      Nucl.Data Sheets 105, 959 (2005)

A.Bhagwat, N.J.Thompson, J.K.Tuli

Nuclear Data Sheets for A = 254

COMPILATION 254Np, 254Cm, 254Bk, 254Cf, 254Es, 254Fm, 254Md, 254No, 254Lr, 254Rf, 254Db, 254Sg, 254Hs; compiled, evaluated structure data.

doi: 10.1016/j.nds.2005.10.002
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2005GA10      Phys.Rev. C 71, 037301 (2005)

Y.K.Gambhir, A.Bhagwat, M.Gupta

α-decay half-lives of the observed superheavy nuclei (Z=108-118)

RADIOACTIVITY 257,261,265Hs, 258,262,266Mt, 253,255,257,259,261,263,265,267,269,271Ds, 256,260,264,268,272Rg, 257,261,265,269,273,277Cn, 281,285,289Fl, 271,272,275,276,279,280,283,284,287,288Mc, 284,288,292Lv, 262,263,266,267,270,271,274,275,278,279,282,283,286,287,290,291,294,295Og(α); calculated Qα, T1/2. Comparison with data.

doi: 10.1103/PhysRevC.71.037301
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2004BH02      Phys.Rev. C 69, 014315 (2004)

A.Bhagwat, Y.K.Gambhir

Microscopic investigations of mass and charge changing cross sections

NUCLEAR REACTIONS 12C(56Fe, X), E=300-1700 MeV/nucleon; 1H, 12C, 27Al, 28Si, 63Cu, 181Ta(238U, X), E=900 MeV/nucleon; H, C, S, Cu, Ta, Pb, U(56Fe, X), E=1.88 GeV/nucleon; calculated charge-changing σ. Microscopic approach, other reactions discussed. Comparisons with data.

NUCLEAR STRUCTURE N, F, Fe; A=17; A=20; calculated radii, neutron skin thickness, charge-changing cross sections.

doi: 10.1103/PhysRevC.69.014315
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2004BH04      J.Phys.(London) G30, B13 (2004)

A.Bhagwat, Y.K.Gambhir

Charge changing cross sections: microscopic description

NUCLEAR REACTIONS 1H, 12C, 27Al, 28Si, 63Cu, 181Ta(238U, X), E=900 MeV/nucleon; calculated charge-changing σ. Microscopic model, comparison with data, other reactions discussed.

doi: 10.1088/0954-3899/30/7/B01
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2004HE24      Phys.Rev. C 70, 044320 (2004)

M.Hemalatha, A.Bhagwat, A.Shrivastava, S.Kailas, Y.K.Gambhir

Anomaly in the nuclear charge radii of Zr isotopes

NUCLEAR STRUCTURE 78,80,82,84,86,88,90,92,94,96,98,100,102,104,106Zr; calculated ground-state deformation, radii, two-neutron separation energies, density distributions. Relativistic mean-field approach.

NUCLEAR REACTIONS 88,90,92,94,96,98,100,102Zr(p, p), E=50 MeV; calculated σ(θ). 78,80,82,84,86,88,90,92,94,96,98,100,102,104,106Zr(p, X), E=50 MeV; calculated reaction σ. Relativistic mean-field approach, comparison with data.

doi: 10.1103/PhysRevC.70.044320
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2003BH05      Phys.Rev. C 68, 044301 (2003)

A.Bhagwat, Y.K.Gambhir

Recently observed charge radius anomaly in neon isotopes

NUCLEAR STRUCTURE Ne; analyzed charge radii, binding energies, related features; deduced deformation effects. Relativistic mean-field approach.

doi: 10.1103/PhysRevC.68.044301
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2003BH06      Int.J.Mod.Phys. E12, 725 (2003)

A.Bhagwat, Y.K.Gambhir

Isospin Dependence of Ground State Properties of A = 20 Isobars

NUCLEAR STRUCTURE 20C, 20N, 20O, 20F, 20Ne, 20Na, 20Mg; calculated binding energies, radii, pairing energies, matter density distributions. Relativistic mean-field approach, comparison with data.

NUCLEAR REACTIONS 12C(20C, X), (20N, X), (20O, X), (20F, X), (20Ne, X), (20Na, X), (20Mg, X), E ≈ 950 MeV/nucleon; calculated reaction σ. Relativistic mean-field approach, comparison with data.

doi: 10.1142/S021830130300151X
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2003GA34      Phys.Rev. C 68, 044316 (2003)

Y.K.Gambhir, A.Bhagwat, M.Gupta, A.K.Jain

α radioactivity of superheavy nuclei

RADIOACTIVITY 218Po, 222Rn, 226Ra, 230Th, 234U, 257No, 261Rf, 265Sg, 269Hs, 273Ds, 277Cn(α); calculated Qα, T1/2. Relativistic mean field approach.

NUCLEAR STRUCTURE 214Pb, 218Po, 222Rn, 226Ra, 230Th, 234U, 253Fm, 257No, 261Rf, 265Sg, 269Hs, 273Ds, 277Cn; calculated binding energies, quadrupole deformation. Relativistic mean field approach.

doi: 10.1103/PhysRevC.68.044316
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2003GA42      Nucl.Phys. A722, 354c (2003)

Y.K.Gambhir, A.Bhagwat

Relativistic mean field for nuclear periphery

doi: 10.1016/S0375-9474(03)01389-7
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2002GA34      Phys.Rev. C66, 034306 (2002)

Y.K.Gambhir, A.A.Bhagwat

Relativistic Mean Field for Nuclear Periphery

NUCLEAR STRUCTURE 48Ca, 58Ni, 96Zr, 96,104Ru, 100Mo, 106,116Cd, 112,124Sn, 128,130Te, 144,154Sm, 148Nd, 160Gd, 176Yb, 232Th, 238U; calculated binding energies, deformation parameters, radii, density distributions, peripheral factors. Relativistic mean field approach, comparisons with data.

doi: 10.1103/PhysRevC.66.034306
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2001BH02      J.Phys.(London) G27, B1 (2001)

A.Bhagwat, Y.K.Gambhir, S.H.Patil

Nuclear Densities of Li Isotopes

NUCLEAR STRUCTURE 6,7,8,9,11Li, 9Be, 12C, 27Al; calculated proton and neutron separation energies, radii. 9,11Li; calculated neutron density distributions.

NUCLEAR REACTIONS 9Be, 12C, 27Al(6Li, X), (7Li, X), (8Li, X), (9Li, X), (11Li, X), E=790 MeV/nucleon; calculated reaction σ. Comparison with data.

doi: 10.1088/0954-3899/27/2/3b1
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2001GA46      Eur.Phys.J. A 11, 155 (2001)

Y.K.Gambhir, A.Bhagwat, N.Van Giai, P.Schuck

Thick Skin in Neutron/Proton-Rich Sodium Isotopes

NUCLEAR STRUCTURE 20,21,22,23,24,25,26,27,28,29,30,31,32,33Na, 12C, 19F, 19Ne; calculated proton and neutron separation energies, radii, density distributions, thicknesses. Semi-phenomenological model, comparison with data and with relativistic Hartree-Bogoliubov results.

NUCLEAR REACTIONS 12C(20Na, X), (21Na, X), (22Na, X), (23Na, X), (24Na, X), (25Na, X), (26Na, X), (27Na, X), (28Na, X), (29Na, X), (30Na, X), (31Na, X), (32Na, X), (33Na, X), E=950 MeV/nucleon; calculated interaction σ. Glauber Model, comparison with data and with relativistic Hartree-Bogoliubov results, halo effects discussed.

doi: 10.1007/s100500170081
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2000BH09      Eur.Phys.J. A 8, 511 (2000)

A.Bhagwat, Y.K.Gambhir, S.H.Patil

Nuclear Densities in the Neutron-Halo Region

NUCLEAR STRUCTURE 4,6,8He, 6,7,8,9,10Li, 7,8,9,10,11,12,14Be, 8,10,11,12,13,14,15B, 12C, 27Al; calculated neutron and proton separation energy, charge and mass radii, density distributions. Core plus halo nuclei model.

NUCLEAR REACTIONS 9Be, 12C, 27Al(α, X), (6He, X), (8He, X), (6Li, X), (7Li, X), (8Li, X), (9Li, X), (11Li, X), (7Be, X), (8Be, X), (9Be, X), (10Be, X), (11Be, X), (12Be, X), (14Be, X), (8B, X), (10B, X), (11B, X), (12B, X), (13B, X), (14B, X), (15B, X), E=400-850 MeV/nucleon; calculated reaction σ. Glauber model. Comparison with data.

doi: 10.1007/s100500070074
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1994AV05      Nucl.Instrum.Methods Phys.Res. B93, 480 (1994)

D.K.Avasthi, D.Kabiraj, A.Bhagwat, G.K.Mehta, V.D.Vankar, S.B.Ogale

Simultaneous Detection of Light Elements by ERDA with Gas-Ionisation/Si ΔE-E Detector Telescope

doi: 10.1016/0168-583X(94)95637-5
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1992BA68      Hyperfine Interactions 75, 433 (1992)

C.G.Barham, S.S.Al-Ghamdi, A.Bhagwat, M.Booth, I.S.Grant, M.Lindroos, J.Rikovska, B.D.D.Singleton, N.J.Stone, P.M.Walker

On-Line Orientation of Bromine Isotope

RADIOACTIVITY 74mBr(β+), (EC); 72Br(β+); measured γ-anisotropy. 72Br level deduced μ limits. 75Br(β+), (EC); measured β-asymmetry; deduced level configuration. On-line orientation.


1992BH02      J.Phys.(London) G18, 977 (1992)

A.Bhagwat, S.S.Al-Ghamdi, P.M.Walker, B.D.D.Singleton, C.G.Barham, I.S.Grant

Lifetime Measurements of Intruder States in 120Xe and the Shape Coexistence Picture

RADIOACTIVITY 120,120mCs(β+), (EC) [from 93Nb(32S, xnyp), E=165 MeV]; measured I(ce), (β)(ce)-coin, centroid shifts. 120Xe deduced levels, γ-multipolarity, K-electron branching ratio, T1/2, B(λ).

doi: 10.1088/0954-3899/18/5/025
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1992SI22      Hyperfine Interactions 75, 471 (1992)

B.D.D.Singleton, P.M.Walker, A.Bhagwat, S.S.Al-Ghamdi, C.G.Barham, I.S.Grant, A.G.Griffiths, J.Rikovska, N.J.Stone

On-Line Nuclear Orientation of the Deformed Neutron-Deficient Eu, Sm and Pm Isotopes

RADIOACTIVITY 142m,139Eu(β+), (EC); 138Eu(β+); 141m,139mSm(β+), (EC); 141,138Pm(β+), (EC) [from 98,96Mo(48Ti, X), E=220 MeV]; measured γ-anisotropy vs temperature, time. 139,138Eu, 139Sm, 138Pm levels deduced μ. Oriented nuclei.

doi: 10.1007/BF02399004
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