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NSR database version of April 11, 2024.

Search: Author = R.K.Choudhury

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2019CH25      Europhys.Lett. 126, 12002 (2019)

R.K.Choudhury, Ajay Kumar, R.G.Thomas, G.Mishra, A.Mitra, B.K.Nayak, A.Saxena

Anomalous oscillatory features in neutron emission from D + D fusion in palladium at 100 keV implantation energy

NUCLEAR REACTIONS 2H(d, X), E=100 keV; measured reaction products, En, In; deduced neutron yields. Comparison with GEANT4 calculations, EXFOR library.

doi: 10.1209/0295-5075/126/12002
Citations: PlumX Metrics


2015CH48      Pramana 85, 199 (2015)

R.K.Choudhury

Overview of research by the fission group in Trombay

doi: 10.1007/s12043-015-1026-4
Citations: PlumX Metrics


2015DA13      Pramana 85, 379 (2015)

L.S.Danu, D.C.Biswas, B.K.Nayak, R.K.Choudhury

Fission fragment mass distributions via prompt γ-ray spectroscopy

NUCLEAR REACTIONS 238U(18O, X), E=100 MeV; measured reaction products, Eγ, Iγ; deduced relative yield distribution of various fission fragments, fission fragment mass distributions. Comparison with available data.

doi: 10.1007/s12043-015-1052-2
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6281.


2014DA07      Phys.Rev. C 89, 044607 (2014)

L.S.Danu, B.K.Nayak, E.T.Mirgule, R.K.Choudhury, U.Garg

Role of neutron transfer on fusion barrier distributions of the 28, 30Si + 124Sn systems

NUCLEAR REACTIONS 124Sn(28Si, X), (30Si, X), E=90-118 MeV; measured projectile-like fragment (PLF) spectra, σ(E)(quasielastic)/σ(E)(Rutherford) at 14-UD BARC-TIFR Pelletron accelerator facility; deduced quasielastic fusion barrier distributions. Comparison with coupled-channel (CC) calculations using CCFULL code for one neutron transfer channel, and a code available on NRV webpage for multi-neutron transfer channels. Sensitivity to deformation parameter β4 of the 28Si projectile from NRV calculations.

doi: 10.1103/PhysRevC.89.044607
Citations: PlumX Metrics


2013PA34      Pramana 81, 587 (2013)

D.Patel, S.Santra, S.Mukherjee, B.K.Nayak, P.K.Rath, V.V.Parkar, R.K.Choudhury

Elastic scattering and fusion cross-sections in 7Li + 27Al reaction

NUCLEAR REACTIONS 27Al(7Li, 7Li), (7Li, X)30Si/29Si/28Si/26Mg/29Al, E=8-16 MeV; measured reaction products, Eα, Iα; deduced σ, σ(θ, E). Comparison with coupled-channels and transfer calculations using FRESCO.

doi: 10.1007/s12043-013-0597-1
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6280.


2012BH01      Nucl.Sci.Eng. 170, 44 (2012)

M.Bhike, B.J.Roy, A.Saxena, R.K.Choudhury, S.Ganesan

Measurement of 232Th(n, γ)233Th, 98Mo(n, γ)99Mo, 186W(n, γ)187W, 115In(n, γ)116m1In, and 92Mo(n, p)92mNb Cross Sections in the Energy Range of 1.6 to 3.7 MeV

NUCLEAR REACTIONS 232Th(n, γ), E =1.6, 2.2, 3.0, 3.7 MeV; 98Mo, 186W, 115In, 197Au(n, γ), 92Mo(n, p), E=3.2 MeV; measured reaction products, Eγ, Iγ; deduced σ. Comparison with ENDF/B-VII.0, JENDL-4.4, JEFF-3.1 evaluated nuclear libraries, EMPIRE nuclear model code calculations.

doi: 10.13182/NSE10-63
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset33038.


2012BI15      J.Phys.:Conf.Ser. 381, 012091 (2012)

D.C.Biswas, P.Roy, Y.K.Gupta, B.N.Joshi, B.K.Nayak, L.S .Danu, B.V.John, R.P.Vind, N.Deshmukh, S.Mukherjee, A.K.Jain, R.K.Choudhury

Projectile structure effects in multi-nucleon and cluster transfers in 16, 18O+164Dy, 208Pb reactions

NUCLEAR REACTIONS 164Dy, 208Pb(16O, X), (18O, X), E=90, 96 MeV; measured reaction fragments using ΔE-E Si telescopes inside scattering chamber; deduced projectile-like fragments σ(θ).

doi: 10.1088/1742-6596/381/1/012091
Citations: PlumX Metrics


2012DA17      Eur.Phys.J. A 48, 186 (2012)

L.S.Danu, P.K.Joshi, D.C.Biswas, S.Mukhopadhyay, A.Goswami, P.N.Prashanth, L.A.Kinage, R.K.Choudhury, B.Singh

Revisiting the decay scheme and half-life of 139Ba

RADIOACTIVITY 139Ba(β-); measured 139La Eγ, Iγ, γγ-coin. 139Ba deduced β-decay scheme, branching ratios, log ft to individual levels. 139La deduced levels, J, π, γ transitions, branching ratios, T1/2 of individual levels. 139Ba deduced β-decay scheme, branching ratios, log ft to individual levels. Compared with other data and ENSDF.

doi: 10.1140/epja/i2012-12186-2
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2012GU15      Phys.Rev. C 86, 014615 (2012)

Y.K.Gupta, D.C.Biswas, B.John, B.K.Nayak, A.Chatterjee, R.K.Choudhury

Enhanced α-particle emission in 12C+232Th fission due to the transfer-breakup process

NUCLEAR REACTIONS 232Th(12C, X), E=69 MeV; measured Eα, α( fission fragment)-coin, α(θ), α-particle multiplicity spectra, 2α-particle spectra from 8Be breakup; deduced prefission and postfission components of a-particle emission from fits of spectra with moving-source model.

doi: 10.1103/PhysRevC.86.014615
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6199.


2012MU08      Phys.Rev. C 85, 064321 (2012)

S.Mukhopadhyay, L.S.Danu, D.C.Biswas, A.Goswami, P.N.Prashanth, L.A.Kinage, A.Chatterjee, R.K.Choudhury

Prompt γ spectroscopic studies of fragment nuclei in thermal neutron induced fission of 235U

NUCLEAR REACTIONS 235U(n, F), E=thermal; measured Eγ, Iγ, γγ-coin. 88,90Kr, 94,95,96,98Sr, 96,98,100,102Zr, 128,130,132,134,136Te, 136,137,138,139,140Xe, 140,141,142,143,144,145,146Ba; deduced yrast and near-yrast levels, J, π, isotopic yield and mean angular momentum distributions of fission fragments.

doi: 10.1103/PhysRevC.85.064321
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2012RA01      Nucl.Phys. A874, 14 (2012)

P.K.Rath, S.Santra, N.L.Singh, K.Mahata, R.Palit, B.K.Nayak, K.Ramachandran, V.V.Parkar, R.Tripathi, S.K.Pandit, S.Appannababu, N.N.Deshmukh, R.K.Choudhury, S.Kailas

Fusion of 6Li with 152Sm: Role of projectile breakup versus target deformation

NUCLEAR REACTIONS 152Sm(6Li, xn), E=20-40 MeV; measured Eγ, Iγ; deduced complete, incomplete fusion σ also for isomeric states 154Tbm1,154Tbm2, reaction mechanism; calculated σ using CC and statistical code PACE, fusion σ using proximity potentials; deduced level density parameters. Comparison of scaled σ with other reactions.

doi: 10.1016/j.nuclphysa.2011.10.004
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6180.


2012YA13      Phys.Rev. C 86, 034606 (2012)

C.Yadav, R.G.Thomas, R.K.Choudhury, P.Sugathan, A.Jhingan, S.Appannababu, K.S.Golda, D.Singh, Ish Mukul, J.Gehlot, E.Prasad, H.J.Wollersheim

Evidence of quasifission in asymmetric reactions forming the 250Cf compound system

NUCLEAR REACTIONS 238U(12C, X)250Cf(*), E=61-76 MeV; 232Th(18O, X)250Cf(*), E=80-96 MeV; measured fission fragment distributions, TOF, mass ratio versus parallel velocity plots, mass-angle correlations, fission fragment mass distribution. Evidence of quasifission in the 18O+232Th system.

doi: 10.1103/PhysRevC.86.034606
Citations: PlumX Metrics


2011AP01      Phys.Rev. C 83, 034605 (2011)

S.Appannababu, S.Mukherjee, B.K.Nayak, R.G.Thomas, P.Sugathan, A.Jhingan, E.Prasad, D.Negi, N.N.Deshmukh, P.K.Rath, N.L.Singh, R.K.Choudhury

Fission fragment mass distributions in reactions forming the 213Fr compound nucleus

NUCLEAR REACTIONS 186W(27Al, X), E=123-140 MeV; 197Au(16O, X), E=79-100 MeV; measured fission fragment spectra; deduced density plots for mass ratio vs center of mass angle, mass ratio distributions 213Fr; deduced mass variance. Comparison with theoretical calculations.

doi: 10.1103/PhysRevC.83.034605
Citations: PlumX Metrics


2011AP02      Phys.Rev. C 83, 067601 (2011); Pub Note Phys.Rev. C 83, 069902 (2011)

S.Appannababu, R.G.Thomas, L.S.Danu, P.K.Rath, Y.K.Gupta, B.V.John, B.K.Nayak, D.C.Biswas, A.Saxena, S.Mukherjee, R.K.Choudhury

Fission fragment angular distributions in the 9Be + 232Th reaction

NUCLEAR REACTIONS 232Th(9Be, X), E=39, 41, 44, 50 MeV; measured fission fragment spectra, σ(E, θ). Comparison with standard statistical saddle-point model (SSPM), and the preequilibrium fission (PEQ) model. Comparison of fission anisotropies for projectiles of 7Li, 9Be, 11B, 12C, 16O and 19F on 232Th target.

doi: 10.1103/PhysRevC.83.067601
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6187.


2011DE05      Phys.Rev. C 83, 024607 (2011)

N.N.Deshmukh, S.Mukherjee, D.Patel, N.L.Singh, P.K.Rath, B.K.Nayak, D.C.Biswas, S.Santra, E.T.Mirgule, L.S.Danu, Y.K.Gupta, A.Saxena, R.K.Choudhury, R.Kumar, J.Lubian, C.C.Lopes, E.N.Cardozo, P.R.S.Gomes

Breakup threshold anomaly in the near-barrier elastic scattering of 6Li + 116, 112Sn

NUCLEAR REACTIONS 112Sn(6Li, 6Li), (6Li, X), E=21, 23, 25, 35 MeV; 116Sn(6Li, 6Li), (6Li, X), E=20, 21, 22, 23, 26, 30, 35 MeV; measured 6Li spectra by E-ΔE method; deduced elastic scattering σ and total reaction σ. Optical model analysis with phenomenological Woods-Saxon potential. Comparison of reduced cross sections with reaction cross sections for several other systems. Presence of the breakup threshold anomaly.

doi: 10.1103/PhysRevC.83.024607
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6098.


2011DE29      Eur.Phys.J. A 47, 118 (2011)

N.N.Deshmukh, S.Mukherjee, B.K.Nayak, D.C.Biswas, S.Santra, E.T.Mirgule, S.Appannababu, D.Patel, A.Saxena, R.K.Choudhury, J.Lubian, P.R.S.Gomes

Investigation of the threshold anomaly in the near-barrier elastic scattering of 7Li on 116Sn

NUCLEAR REACTIONS 116Sn(7Li, 7Li), E=18, 19, 20, 21, 22, 23, 24, 26, 30, 35 MeV; measured E(particle), I(particle, θ); calculated σ, σ(θ); deduced σ, σ(θ), optical potential parameters.

doi: 10.1140/epja/i2011-11118-0
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6172.


2011GU19      Phys.Rev. C 84, 031603 (2011)

Y.K.Gupta, D.C.Biswas, R.K.Choudhury, A.Saxena, B.K.Nayak, B.John, K.Ramachandran, R.G.Thomas, L.S.Danu, B.N.Joshi, K.Mahata, S.K.Pandit, A.Chatterjee

Systematics of pre- and near-scission α-particle multiplicities in heavy-ion-induced fusion-fission reactions

NUCLEAR REACTIONS 232Th(11B, X), E=62 MeV; measured E(α), α(fission fragment)-coin, α-particle multiplicity spectra; deduced prescission and near-scission components. Systematics of α(pre-scission) and α(near-scission) σ for Ag+37Cl, 124Sn+37Cl, 141Pr+28Si, 164,167,170Er+28Si, 175Lu+28Si, 181Ta+19F, 197Au+12C, 197Au+16O, 197Au+19F, 197Au+28Si, 208Pb+19F, 208Pb+28Si, 232Th+16O, 232Th+19F, 232Th+28Si, 232Th+40Ar systems.

doi: 10.1103/PhysRevC.84.031603
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6191.


2011JO02      Phys.Rev.Lett. 106, 022501 (2011)

B.N.Joshi, A.K.Jain, Y.K.Gupta, D.C.Biswas, A.Saxena, B.V.John, L.S.Danu, R.P.Vind, R.K.Choudhury

Heavy Cluster Knockout Reaction 16O(12C, 212C)4He and the Nature of the 12C-12C Interaction Potential

NUCLEAR REACTIONS 16O(12C, 212C), E=118.8 MeV; measured reaction products, 12C-12C-coin.; deduced σ(θ), σ(θ, E), optical potentials. Comparison with finite range DWIA framework.

doi: 10.1103/PhysRevLett.106.022501
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6111.


2011RO26      Phys.Rev. C 84, 011602 (2011)

P.Roy, A.Saxena, B.K.Nayak, E.T.Mirgule, B.John, Y.K.Gupta, L.S.Danu, R.P.Vind, A.Kumar, R.K.Choudhury

Systematic study of projectile-structure effect on the fusion-barrier distribution

NUCLEAR REACTIONS 232Th(α, α'), E=16-30 MeV; measured Eα, Iα, quasi-elastic-scattering σ(E); deduced fusion-barrier distribution and width. 232Th(12C, 12C'), E(cm)=52-77 MeV; 232Th(16O, 16O'), E(cm)=70-97 MeV; 232Th(19F, 19F'), E(cm)=77-102 MeV; analyzed fusion-barrier distributions and widths. Comparison with coupled-channel fusion model calculations.

doi: 10.1103/PhysRevC.84.011602
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6188.


2011SU23      J.Korean Phys.Soc. 59, 971s (2011)

S.V.Suryanarayana, H.Naik, S.Ganesan, S.Kailas, R.K.Choudhury, G.Kim

Total Cross Sections for Neutron Nucleus Scattering

NUCLEAR REACTIONS 9Be, 10,11B, 13C, 19F, 24Mg, 27Al, 31P, 40Ca, 55Mn, 59Co, 89Y, 90Zr, 93Nb, 120Sn, 181Ta, 197Au, 208Pb, 209Bi, 232Th, 238U(n, X), E=20-600 MeV; calculated total σ using Ramsauer model and optical model; deduced radii, model parameters. Comparison to data.

doi: 10.3938/jkps.59.971
Citations: PlumX Metrics


2010DA03      Phys.Rev. C 81, 014311 (2010)

L.S.Danu, D.C.Biswas, A.Saxena, A.Shrivastava, A.Chatterjee, B.K.Nayak, R.G.Thomas, R.K.Choudhury, R.Palit, I.Mazumdar, P.Datta, S.Chattopadhyay, S.Pal, S.Bhattacharya, S.Muralithar, K.S.Golda, R.K.Bhowmik, J.J.Das, R.P.Singh, N.Madhavan, J.Gerl, S.K.Patra, L.Satpathy

Fine structure dips in the fission fragment mass distribution for the 238U(18O, f) reaction

NUCLEAR REACTIONS 238U(18O, F)Sr/Zr/Mo/Ru/Pd/Cd/Sn/Te/Xe/Ba/Ce/Nd/Sm, E=100 MeV; measured Eγ, Iγ, γγ-coin, fission fragment mass distribution and yields of Sr (A=90-96), Zr (A=96-102), Mo (A=98-108), Ru (A=104-112), Pd (A=108-116), Cd (A=114-122), Sn (A=116-128), Te (A=124-134), Xe (A=130-138), Ba (A=136-144), Ce (A=142-148), Nd (A=146-152) and Sm (A=150-158) using INGA array. Discussed effect of nuclear structure in the dynamical evolution of fissioning nucleus. 128Te; measured Eγ and γγ-coin.

doi: 10.1103/PhysRevC.81.014311
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6108.


2010KU10      Phys.Rev. C 81, 054601 (2010)

H.Kumawat, V.Jha, V.V.Parkar, B.J.Roy, S.Santra, V.Kumar, D.Dutta, P.Shukla, L.M.Pant, A.K.Mohanty, R.K.Choudhury, S.Kailas

Inclusive α-production cross section for the 6Li + 90Zr system at energies near the fusion barrier

NUCLEAR REACTIONS 90Zr(6Li, X), E=15, 17, 19, 21, 25, 30 MeV; measured α-spectra, σ and σ(θ). Comparison with DWBA and statistical model calculations.

doi: 10.1103/PhysRevC.81.054601
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6109.


2010PA16      J.Phys.(London) G37, 085103 (2010)

S.K.Patra, R.K.Choudhury, L.Satpathy

Anatomy of neck configuration in fission decay

NUCLEAR STRUCTURE 232,240,250,256Th, 236,250,256,260U; calculated binding energies, quadrupole deformation parameter, rms radii; deduced fission neck properties for highly deformed configurations. RMF theory.

doi: 10.1088/0954-3899/37/8/085103
Citations: PlumX Metrics


2010SA19      Nucl.Phys. A834, 186c (2010)

S.Santra, V.V.Parkar, K.Ramachandran, A.Shrivastava, B.J.Roy, B.K.Nayak, A.Chatterjee, R.K.Choudhury, S.Kalias

Asymmetry in resonant breakup peaks in 6Li+209Bi reaction

NUCLEAR REACTIONS 209Bi(6Li, α), (6Li, d), E=36, 40 MeV; measured Eα, Iα(θ), Ed, Id(θ), dα-coin; deduced σ(θ). 209Bi(6Li, 6Li), E=36, 40 MeV; measured σ(θ). Comparison with CDCC calculations. Sequential breakup via resonant state.

doi: 10.1016/j.nuclphysa.2009.12.035
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6115.


2009AP03      Phys.Rev. C 80, 024603 (2009)

S.Appannababu, S.Mukherjee, N.L.Singh, P.K.Rath, G.Kiran Kumar, R.G.Thomas, S.Santra, B.K.Nayak, A.Saxena, R.K.Choudhury, K.S.Golda, A.Jhingan, R.Kumar, P.Sugathan, H.Singh

Absence of entrance channel effects in fission fragment anisotropies of the 215Fr compound nucleus

NUCLEAR REACTIONS 197Au(18O, X)215Fr, E=77.7-96.7 MeV; 204Pb(11B, X)215Fr, E=51.5-63.5 MeV; measured fission fragment angular distributions and anisotropies of the 215Fr compound nucleus; deduced fission excitation functions, fusion barrier distributions. Comparison with standard saddle-point statistical model (SSPSM) calculations.

doi: 10.1103/PhysRevC.80.024603
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1733.


2009BH06      Nucl.Sci.Eng. 163, 175 (2009)

M.Bhike, A.Saxena, B.J.Roy, R.K.Choudhury, S.Kailas, S.Ganesan

Measurement of 67Zn(n, p)67Cu, 92Mo(n, p)92mNb, and 98Mo(n, γ)99Mo Reaction Cross Sections at Incident Neutron Energies of En = 1.6 and 3.7 MeV

NUCLEAR REACTIONS 67Zn, 92Mo(n, p), 98Mo(n, γ), E=1.6, 3.7 MeV; measured Eγ, Iγ; deduced σ. Comparison with EMPIRE-2.19 model code.

doi: 10.13182/NSE163-175
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14251.


2009GU30      Phys.Rev. C 80, 054611 (2009)

Y.K.Gupta, D.C.Biswas, B.John, B.K.Nayak, A.Saxena, R.K.Choudhury

Nuclear level-density parameters of nuclei in the Z ≈ 70 and A ≈ 180 mid-shell regions

NUCLEAR REACTIONS 164Dy(11B, X), E=65 MeV; 164Dy(12C, X), E=74 MeV; 164Dy(16O, X), E=86 MeV; 181Ta(12C, X), E=77 MeV; measured γ-ray fold-gated α spectra; deduced differential σ and level-density parameters. Comparison with PACE2 statistical model calculations.

doi: 10.1103/PhysRevC.80.054611
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1772.


2009MU10      Phys.Rev. C 80, 014607 (2009)

S.Mukherjee, B.K.Nayak, D.S.Monteiro, J.Lubian, P.R.S.Gomes, S.Appannababu, R.K.Choudhury

Quasi-elastic scattering in the 6Li+232Th reaction

NUCLEAR REACTIONS 232Th(6Li, X), E=24-38 MeV; measured σ, excitation functions, and barrier distributions. Comparison with coupled-channel calculations using a double-folding potential.

doi: 10.1103/PhysRevC.80.014607
Citations: PlumX Metrics


2009RA08      Phys.Rev. C 79, 051601 (2009)

P.K.Rath, S.Santra, N.L.Singh, R.Tripathi, V.V.Parkar, B.K.Nayak, K.Mahata, R.Palit, Suresh Kumar, S.Mukherjee, S.Appannababu, R.K.Choudhury

Suppression of complete fusion in the 6Li+144Sm reaction

NUCLEAR REACTIONS 144Sm(6Li, 2n), (6Li, 3n), E=20-40 MeV; measured Eγ, Iγ, cross sections. 159Tb, 165Ho(7Li, X), 162Dy(α, X), 160Gd(12C, X), E not given; discussed systematics of reactions. Comparison with coupled channel calculations.

doi: 10.1103/PhysRevC.79.051601
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1699.


2009SA26      Phys.Lett. B 677, 139 (2009)

S.Santra, V.V.Parkar, K.Ramachandran, U.K.Pal, A.Shrivastava, B.J.Roy, B.K.Nayak, A.Chatterjee, R.K.Choudhury, S.Kailas

Resonant breakup of 6Li by 209Bi

NUCLEAR REACTIONS 209Bi(6Li, α), E=36, 40 MeV; measured Eα, Iα, Ed, Id, (charged-particle)(charged-particle)-coin, σ, σ(θ); deduced reaction mechanism features. Comparison with coupled-channel calculations.

doi: 10.1016/j.physletb.2009.05.016
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6079.


2008GU15      Phys.Rev. C 78, 054609 (2008)

Y.K.Gupta, B.John, D.C.Biswas, B.K.Nayak, A.Saxena, R.K.Choudhury

Angular momentum dependence of the nuclear level-density parameter around Z ∼ 50

NUCLEAR REACTIONS 93Nb(19F, X), E=73.5 MeV; 89Y(24Mg, X), E=100.5 MeV; 89Y(24Mg, X), E=106.0 MeV; 93Nb(24Mg, X), E=103.3 MeV; 115In(11B, X), E=58.0 MeV; 115In(12C, X), E=71.0 MeV; 115In(16O, X), E=80.0 MeV; measured Eγ, Iγ, Eα, Iα, σ(θ). Deduced level-density parameters.

doi: 10.1103/PhysRevC.78.054609
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6074.


2008KU16      Phys.Rev. C 78, 044617 (2008)

H.Kumawat, V.Jha, B.J.Roy, V.V.Parkar, S.Santra, V.Kumar, D.Dutta, P.Shukla, L.M.Pant, A.K.Mohanty, R.K.Choudhury, S.Kailas

Breakup threshold anomaly in the elastic scattering for the 6Li + 90Zr system

NUCLEAR REACTIONS 90Zr(6Li, 6Li), E=11, 12, 13, 14, 15, 17, 19, 21, 25, 30 MeV; measured angular distributions, σ, optical potentials, normalization factors. Comparison with Continuum Discretized Coupled Channels calculations.

doi: 10.1103/PhysRevC.78.044617
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6068.


2008NA27      Phys.Rev. C 78, 061602 (2008)

B.K.Nayak, A.Saxena, D.C.Biswas, E.T.Mirgule, B.V.John, S.Santra, R.P.Vind, R.K.Choudhury, S.Ganesan

Determination of the 233Pa(n, f) reaction cross section from 11.5 to 16.5 MeV neutron energy by the hybrid surrogate ratio approach

NUCLEAR REACTIONS 232Th(6Li, α), (6Li, d), E=38.0 MeV; measured fission spectra, charged particle spectra. 233Pa(n, F), E=11.5-16.5 MeV; deduced fission σ. Comparison with predictions of EMPIRE code.

doi: 10.1103/PhysRevC.78.061602
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset33023.


2007NA12      Phys.Rev. C 75, 054615 (2007)

B.K.Nayak, R.K.Choudhury, A.Saxena, P.K.Sahu, R.G.Thomas, D.C.Biswas, B.V.John, E.T.Mirgule, Y.K.Gupta, M.Bhike, H.G.Rajprakash

Evidence for Coulomb effects on the fusion barrier distribution for deformed projectile nuclei

NUCLEAR REACTIONS 115In(16O, X), E=49-69 MeV; 115In(28Si, X), E=92-114 MeV; 115In(30Si, X), E=92-120 MeV; measured cross sections, quasielastic excitation functions. Deduced fusion barrier distributions.

doi: 10.1103/PhysRevC.75.054615
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2007TH01      Phys.Rev. C 75, 024604 (2007)

R.G.Thomas, A.Saxena, P.K.Sahu, R.K.Choudhury, I.M.Govil, S.Kailas, S.S.Kapoor, M.Barbui, M.Cinausero, G.Prete, V.Rizzi, D.Fabris, M.Lunardon, S.Moretto, G.Viesti, G.Nebbia, S.Pesente, B.Dalena, G.D'Erasmo, E.M.Fiore, M.Palomba, A.Pantaleo, V.Paticchio, G.Simonetti, N.Gelli, F.Lucarelli

Fission and binary fragmentation reactions in 80Se + 208Pb and 80Se + 232Th systems

NUCLEAR REACTIONS 208Pb, 232Th(80Se, X), E=470-630 MeV; measured fragments kinetic energy and mass distributions, neutron multiplicities; deduced reaction mechanism features.

doi: 10.1103/PhysRevC.75.024604
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2006SA20      Phys.Rev. C 73, 064604 (2006)

P.K.Sahu, A.Saxena, B.K.Nayak, R.G.Thomas, B.V.John, R.K.Choudhury

Fusion barrier distribution derived from quasielastic excitation functions in 11B, 12C, 13C + 209Bi reactions

NUCLEAR REACTIONS 209Bi(12C, X), (13C, X), E=50-72 MeV; 209Bi(11B, X), E=40-62 MeV; measured quasielastic excitation functions; deduced fusion barrier distributions.

doi: 10.1103/PhysRevC.73.064604
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2005NA47      Pramana 65, 1053 (2005)

B.K.Nayak, E.T.Mirgule, R.K.Choudhury

Application of pulse shape discrimination in Si detector for fission fragment angular distribution measurements

NUCLEAR REACTIONS 232Th(10B, F), E=64 MeV; measured fission fragment energy and angular distributions. Pulse shape discrimination.

doi: 10.1007/BF02705280
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2005SA49      Phys.Rev. C 72, 034604 (2005)

P.K.Sahu, R.G.Thomas, A.Saxena, R.K.Choudhury, S.S.Kapoor, L.M.Pant, M.Barbui, M.Cinausero, G.Prete, V.Rizzi, D.Shetty, D.Fabris, M.Lunardon, S.Moretto, G.Viesti, G.Nebbia, S.Pesente, B.Dalena, G.D'Erasmo, D.Di Santo, E.M.Fiore, M.Palomba, A.Pantaleo, V.Paticchio, G.Simonetti, N.Gelli, F.Lucarelli, A.Brondi, E.Vardaci

Binary fragmentations of excited nuclear systems in the 372 MeV 56Fe + 232Th reaction

NUCLEAR REACTIONS 232Th(56Fe, X), E=372 MeV; measured fragments kinetic energy and mass distributions, neutron spectra and multiplicities, (neutron)(fragment)-coin; deduced binary fragmentation features.

doi: 10.1103/PhysRevC.72.034604
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6116.


2004FA24      Prog.Theor.Phys.(Kyoto), Suppl. 154, 417 (2004)

D.Fabris, A.Saxena, G.Prete, D.V.Shetty, G.Viesti, B.K.Nayak, D.C.Biswas, R.K.Choudhury, S.S.Kapoor, M.Barbui, E.Fioretto, M.Cinausero, M.Lunardon, S.Moretto, G.Nebbia, S.Pesente, A.M.Samant, A.Brondi, G.La Rana, R.Moro, E.Vardaci, N.Gelli, F.Lucarelli

Dynamical Effects in the Region of Heavy and Super-Heavy Nuclei

NUCLEAR REACTIONS 232Th(28Si, X), E=340 MeV; measured transfer-induced fission yields, projectile-like fragments and neutron spectra; deduced target-like fragment excitation energy and angular momentum, dynamical effects.

doi: 10.1143/PTPS.154.417
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2004SA04      Nucl.Phys. A730, 299 (2004)

A.Saxena, D.Fabris, G.Prete, D.V.Shetty, G.Viesti, B.K.Nayak, D.C.Biswas, R.K.Choudhury, S.S.Kapoor, M.Lunardon, S.Moretto, G.Nebbia, S.Pesente, V.Rizzi, A.M.Samant, M.Barbui, E.Fioretto, M.Cinausero, A.Brondi, G.La Rana, R.Moro, E.Vardaci, N.Gelli, F.Lucarelli

Particle multiplicities in the fission-like reactions of 340 MeV 28Si on 232Th

NUCLEAR REACTIONS 232Th(28Si, F), (28Si, X), E=340 MeV; measured fission fragment spectra, Eα, En, angular correlations, pre-scission α and neutron multiplicities; deduced reaction mechanism features. Comparison with statistical and dynamical model calculations.

doi: 10.1016/j.nuclphysa.2003.11.007
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0666.


2004SA57      Phys.Rev. C 70, 051602 (2004)

Y.S.Sawant, A.Saxena, R.K.Choudhury, P.K.Sahu, R.G.Thomas, L.M.Pant, B.K.Nayak, D.C.Biswas

Temperature and fissility dependence of fragment mass variance in heavy ion induced fission

NUCLEAR REACTIONS Pb, 209Bi, 235U(12C, X), 209Bi(11B, X), E ≈ barrier; measured fission fragment kinetic energy and mass distributions; deduced temperature and fissility dependence, related features.

doi: 10.1103/PhysRevC.70.051602
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6122.


2004SU25      Nucl.Instrum.Methods Phys.Res. A534, 518 (2004)

C.Sunil, A.Saxena, R.K.Choudhury, L.M.Pant

Neutron yield and dose equivalent from heavy ion interactions on thick target

NUCLEAR REACTIONS Al(7Li, X), (11B, X), (12C, X), (19F, X), Cu(7Li, X), (12C, X), (19F, X), Ni(11B, X), (12C, X), E ≈ 22-105 MeV; measured neutron spectra, thick-target yields.

doi: 10.1016/j.nima.2004.06.131
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2003DU14      Pramana 60, 1079 (2003)

D.Dutta, S.V.S.Sastry, A.K.Mohanty, K.Kumar, R.K.Choudhury

Photon production from quark gluon plasma at finite baryon density

NUCLEAR REACTIONS Pb(Pb, X), E=high; analyzed photon yields, sensitivity to baryon density.

doi: 10.1007/BF02707034
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2003PA02      Eur.Phys.J. A 16, 43 (2003)

L.M.Pant, A.Saxena, R.G.Thomas, D.C.Biswas, R.K.Choudhury

Pre- and Post-scission neutron multiplicities in 19F + 209Bi reaction at 108 MeV

NUCLEAR REACTIONS 209Bi(19F, nF), E=108 MeV; measured pre- and post-scission neutron spectra, multiplicities, fragment mass distributions, angular correlations; deduced fusion fission dynamical time, other reaction mechanism features.

doi: 10.1140/epja/i2002-10072-2
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6123.


2003SA54      Phys.Rev. C 68, 054612 (2003)

P.K.Sahu, A.Saxena, R.K.Choudhury, B.K.Nayak, D.C.Biswas, L.M.Pant, R.G.Thomas, Y.S.Sawant

Investigation of target shell effect in heavy ion induced transfer reactions in 11B + 208Pb and 11B + 209Bi reactions

NUCLEAR REACTIONS 208Pb(11B, 12C), (11B, 12B), (11B, 13C), (11B, 9Be), (11B, 14C), (11B, 10Be), (11B, 10B), (11B, 7Li), E=69 MeV; 209Bi(11B, 8Li), (11B, 9Li), E=69 MeV; measured σ(θ), particle spectra, total transfer σ; deduced target shell closure effect.

doi: 10.1103/PhysRevC.68.054612
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6035.


2003TH02      Phys.Rev. C 67, 041601 (2003)

R.G.Thomas, R.K.Choudhury, A.K.Mohanty, A.Saxena, S.S.Kapoor

Fission fragment angular distributions: A probe to study heavy-ion fusion dynamics

NUCLEAR REACTIONS 232Th, 238U(16O, F), E(cm) ≈ 70-120 MeV; 232Th(12C, F), (10B, F), (11B, F), E(cm) ≈ 40-80 MeV; 235,236,238U(12C, F), E(cm) ≈ 50-90 MeV; analyzed fission fragment angular distributions, anisotropy; deduced role of pre-equilibrium fission, related reaction mechanism features.

doi: 10.1103/PhysRevC.67.041601
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2002SA30      Phys.Rev. C65, 064601 (2002)

A.Saxena, D.Fabris, G.Prete, D.V.Shetty, G.Viesti, B.K.Nayak, D.C.Biswas, R.K.Choudhury, S.S.Kapoor, M.Barbui, E.Fioretto, M.Cinausero, M.Lunardon, S.Moretto, G.Nebbia, S.Pesente, A.M.Samant, A.Brondi, G.La Rana, R.Moro, E.Vardaci, A.Ordine, N.Gelli, F.Lucarelli

Fission of Targetlike Fragments Populated in the Multinucleon Transfer Reactions of 340 MeV 28Si on 232Th

NUCLEAR REACTIONS 232Th(28Si, X), E=340 MeV; measured fragments charge and angular distributions; deduced transfer-induced fission mechanism features.

doi: 10.1103/PhysRevC.65.064601
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2002TH06      Phys.Rev. C65, 057601 (2002)

R.G.Thomas, B.K.Nayak, A.Saxena, D.C.Biswas, L.M.Pant, R.K.Choudhury

Fission Fragment Anisotropies of 10B, 11B + 237Np Reactions

NUCLEAR REACTIONS 237Np(10B, F), (11B, F), E ≈ 50-70 MeV; measured fission excitation functions, fragment angular distributions, anisotropies. Comparison with entrance-channel-dependent K-state model.

doi: 10.1103/PhysRevC.65.057601
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6030.


2001CH93      Pramana 57, 585 (2001)

R.K.Choudhury

Recent Studies in Heavy Ion Induced Fission Reactions

doi: 10.1007/s12043-001-0064-2
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2001JO08      Phys.Rev. C63, 054301 (2001)

B.John, R.K.Choudhury, B.K.Nayak, A.Saxena, D.C.Biswas

Level Density Parameter in A ∼ 108-204 Nuclei at Medium Excitation Energy

NUCLEAR REACTIONS 93Nb, 165Ho(19F, αX), E=73-98 MeV; 115In, 165Ho, 169Tm, 181Ta, 197Au(11B, αX), E=55-71 MeV; 165Ho(10B, αX), (12C, αX), (16O, αX), E=57-96 MeV; measured α spectra, σ(Eα, θ); deduced level density parameters, shell effects. Statistical model analysis.

doi: 10.1103/PhysRevC.63.054301
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2001PA26      Eur.Phys.J. A 11, 47 (2001)

L.M.Pant, R.K.Choudhury, A.Saxena, D.C.Biswas

Variation of Total Kinetic Energy and Mass Distributions in the Fusion-Fission Reaction of 16O, 19F + 209Bi at Near Barrier Energies

NUCLEAR REACTIONS 209Bi(16O, X), E=80-92 MeV; 209Bi(19F, X), E=88-108 MeV; measured fragments kinetic energy and mass distributions; deduced possible dynamical effects.

doi: 10.1007/s100500170095
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6124.


2001SA29      Phys.Rev. C64, 014609 (2001)

P.K.Sahu, R.K.Choudhury, D.C.Biswas, B.K.Nayak

Evidence for Correlated Pair Transfer of Valence Nucleons in Multiparticle Stripping Channels in the 18O + 174Yb Reaction

NUCLEAR REACTIONS 174Yb(16O, 15O), (16O, 17O), (16O, 15N), (16O, 14C), (16O, 13C), (16O, 12C), (16O, 11B), (18O, 16O), (18O, 17N), (18O, 15N), (18O, 14C), (18O, 13C), (18O, 12C), (18O, 11B), E=83 MeV; measured transfer σ, σ(θ); deduced correlated pair transfer.

doi: 10.1103/PhysRevC.64.014609
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0693.


2001SI29      Phys.Rev. C64, 024607 (2001)

S.Sinha, M.R.Pahlavani, R.Varma, R.K.Choudhury, B.K.Nayak, A.Saxena

Fusion Barrier Distributions from Quasielastic Excitation Function Measurements in 16, 18O + 120, 124Sn Systems

NUCLEAR REACTIONS 120,124Sn(16O, X), (18O, X), E=42-67 MeV; measured quasielastic backward angle σ; deduced fusion barrier distributions. Comparison with model predictions.

doi: 10.1103/PhysRevC.64.024607
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2000BI05      Eur.Phys.J. A 7, 189 (2000)

D.C.Biswas, R.K.Choudhury, M.Cinausero, B.Fornal, D.V.Shetty, G.Viesti, D.Fabris, E.Fioretto, M.Lunardon, G.Nebbia, G.Prete, D.Bazzacco, M.De Poli, D.R.Napoli, C.A.Ur, G.Vedovato

Study of the Mo-Ba Partition in 252Cf Spontaneous Fission

RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ γγ-coin, Mo-Ba channel fission fragment relative yields, neutron and γ-ray multiplicities; deduced no fission mode involving a hyperdeformed Ba and a spherical Mo fragment. GASP array.

doi: 10.1007/PL00013598
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23598.


2000DU02      Phys.Rev. C61, 034902 (2000)

D.Dutta, A.K.Mohanty, K.Kumar, R.K.Choudhury

Dissipative Phenomena in a Chemically Nonequilibrated Quark Gluon Plasma

doi: 10.1103/PhysRevC.61.034902
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2000DU13      Phys.Rev. C61, 064911 (2000)

D.Dutta, A.K.Mohanty, K.Kumar, R.K.Choudhury

Effect of Baryon Density on Parton Production, Chemical Equilibration, and Thermal Photon Emission from the Quark Gluon Plasma

doi: 10.1103/PhysRevC.61.064911
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2000NA27      Phys.Rev. C62, 031601 (2000)

B.K.Nayak, R.G.Thomas, R.K.Choudhury, A.Saxena, P.K.Sahu, S.S.Kapoor, R.Varma, D.Umakanth

Effect of Projectile Ground State Spin on Fission Fragment Anisotropies in 10B, 11B + 232Th Reactions

NUCLEAR REACTIONS 232Th(10B, F), (11B, F), E=52, 54, 58, 68 MeV; measured fission σ, fragment angular distributions; deduced role of projectile spin. Comparison with model predictions.

doi: 10.1103/PhysRevC.62.031601
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0704.


2000SI04      Phys.Rev. C61, 034612 (2000)

S.Sinha, R.Varma, R.K.Choudhury, B.K.Nayak, A.Saxena, R.G.Thomas, B.V.Dinesh

Measurement of Quasielastic and Transfer Excitation Functions in 16O, 19F + 232Th Reactions

NUCLEAR REACTIONS 232Th(16O, X), (16O, 14N), (16O, 15N), (16O, 12C), (16O, 13C), (16O, 14C), E=73-99 MeV; 232Th(19F, X), (19F, 16O), (19F, 17O), (19F, 18O), (19F, 14N), (19F, 15N), (19F, 16N), (19F, 12C), (19F, 13C), (19F, 14C), (19F, 15C), E=83-109 MeV; measured quasielastic and transfer excitation functions; deduced fusion barrier distributions, transfer probabilities. Comparison with semiclassical model.

doi: 10.1103/PhysRevC.61.034612
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1999CH33      Phys.Rev. C60, 054609 (1999)

R.K.Choudhury, A.Saxena, A.Chatterjee, D.V.Shetty, S.S.Kapoor, M.Cinausero, L.Corradi, E.Farnea, E.Fioretto, A.Gadea, D.Napoli, G.Prete, A.M.Stefanini, D.Bazzacco, S.Beghini, D.Fabris, G.Montagnoli, G.Nebbia, C.Rossi-Alvarez, F.Scarlassara, C.Ur, G.Viesti

Fragment Spin as a Function of the Mass Asymmetry in Heavy Ion Induced Fission Reactions

NUCLEAR REACTIONS 209Bi, 232Th(12C, F), E=59-90 MeV; 209Bi, 232Th(16O, F), E=80-120 MeV; measured fission fragments spin vs mass; deduced equilibration times, related features. Gasp array. Statistical model analysis.

doi: 10.1103/PhysRevC.60.054609
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6151.


1999CH49      Nucl.Phys. (Supplement) A654, 845c (1999)

R.K.Choudhury, A.Saxena, A.Chatterjee, D.V.Shetty, S.S.Kapoor, C.R.Alvarez, D.Bazzacco, S.Beghini, M.Cinausero, L.Corradi, D.Fabris, E.Farnea, E.Fioretto, A.Gadea, G.Hontagnoli, D.Napoli, G.Nebbia, G.Prete, F.Scarlassara, A.Stefanini, C.Ur, G.Viesti

Studies of Fragment Spin as a Function of Fragment Mass in Heavy Ion Induced Fission Reactions

NUCLEAR REACTIONS 209Bi, 232Th(12C, F), (16O, F), E=5-7.5 MeV/nucleon; measured fission fragment mass distributions, Eγ, (fragment)γ-coin; deduced fragment spin vs mass. GASP array, statistical model analysis.

doi: 10.1016/S0375-9474(00)88559-0
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1999DU07      Phys.Rev. C60, 014905 (1999)

D.Dutta, K.Kumar, A.K.Mohanty, R.K.Choudhury

Chemical Equilibration and Thermal Dilepton Production from the Quark Gluon Plasma at Finite Baryon Density

doi: 10.1103/PhysRevC.60.014905
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1999NA03      Phys.Rev. C59, R580 (1999)

D.M.Nadkarni, A.Saxena, D.C.Biswas, R.K.Choudhury, S.S.Kapoor, N.Majumdar, P.Bhattacharya

Measurement of Fission Excitation Functions in 11B, 16O, 19F + 232Th Reactions in the Extreme Sub-Barrier Energy Region

NUCLEAR REACTIONS 232Th(11B, F), E=19-65 MeV; 232Th(16O, F), (19F, F), E=55-80 MeV; measured fission fragments folding angle distributions, fusion and transfer induced fission σ; deduced fusion barrier distributions, low-momentum transfer fission component.

doi: 10.1103/PhysRevC.59.R580
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6125.


1999SH42      Phys.Rev. C60, 061601 (1999)

D.V.Shetty, R.K.Choudhury, B.K.Nayak, D.M.Nadkarni, S.S.Kapoor

Suppression of Collective Spin Excitations for High-K States in Heavy Ion Induced Fission Reactions

NUCLEAR REACTIONS 209Bi(12C, F), E=71-85 MeV; 209Bi(16O, F), E=89-98 MeV; 209Bi(19F, F), E=97-111 MeV; measured fission fragments spin vs emission angle; 232Th(12C, F), (16O, F), (19F, F), E not given; analyzed fission fragments spin vs emission angle; deduced suppression of collective spin for high-K states.

doi: 10.1103/PhysRevC.60.061601
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1999SH46      Pramana 53, 521 (1999)

D.V.Shetty, R.K.Choudhury, B.K.Nayak, D.M.Nadkarni, S.S.Kapoor

Some Aspects of Heavy Ion Fusion-Fission Dynamics

NUCLEAR REACTIONS 209Bi, 232Th(12C, F), (16O, F), (19F, F), E ≈ barrier; measured Eγ, Iγ, fragments angular distribution following fission; deduced fission fragments spin vs bombarding energy and emission angle.

doi: 10.1007/s12043-999-0024-9
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1998MA75      Phys.Rev.Lett. 81, 4778 (1998)

N.Majumdar, P.Bhattacharya, D.C.Biswas, R.K.Choudhury, D.M.Nadkarni, A.Saxena

Majumdar et al. Reply: (Comment on ' Anomalous Peaklike Structure in the Fission Fragment Anisotropies at Sub-Barrier Energies in 11B, 12C, 16O, 19F + 232Th Reactions ')

doi: 10.1103/PhysRevLett.81.4778
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1998SH19      Phys.Rev. C58, R616 (1998)

D.V.Shetty, R.K.Choudhury, B.K.Nayak, D.M.Nadkarni, S.S.Kapoor

Emission Angle Dependence of Fission Fragment Spin in 12C, 16O, and 19F + 232Th Reactions

NUCLEAR REACTIONS 232Th(12C, F), E=60-90 MeV; 232Th(16O, F), E=85-100 MeV; 232Th(19F, F), E=105-113 MeV; measured γ-ray multiplicity following fission, (fragment)γ-coin; deduced average fragment spins vs emission angle, fragments collective excitation modes. Statistical model analysis.

doi: 10.1103/PhysRevC.58.R616
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1998VA11      Phys.Rev. C57, 3462 (1998)

R.Varma, S.Sinha, B.K.Nayak, R.G.Thomas, A.Saxena, D.C.Biswas, L.M.Pant, D.M.Nadkarni, R.K.Choudhury, P.Bhattacharya

Fusion Barrier and Spin Distributions in 12C + 232Th Reaction Via Quasielastic Scattering

NUCLEAR REACTIONS 232Th(12C, X), E=51-79 MeV; measured quasielastic σ(E, θ); deduced fusion barrier, spin distributions. Model comparisons.

doi: 10.1103/PhysRevC.57.3462
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1997BI08      Phys.Rev. C56, 1926 (1997)

D.C.Biswas, R.K.Choudhury, B.K.Nayak, D.M.Nadkarni, V.S.Ramamurthy

Single and Multinucleon Transfer in 19F, 16O, 12C + 232Th Reactions at Near Barrier Energies

NUCLEAR REACTIONS 232Th(19F, X), E=92-114 MeV; 232Th(16O, X), E=86.6, 94.8 MeV; 232Th(12C, X), E=59-82 MeV; measured projectile-like fragment σ(E, Z), σ(θ) for quasielastic, transfer reactions; deduced model parameters, transfer probabilities, Q-value dependence. Semiclassical model.

doi: 10.1103/PhysRevC.56.1926
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1997CH12      Z.Phys. A357, 189 (1997)

R.K.Choudhury, A.Saxena, K.Kumar

Understanding the Anomalous Fragment Anisotropies in Heavy-Ion Induced Fission in the Dynamical Trajectory Model

NUCLEAR REACTIONS, ICPND 232Th, 237Np(12C, X), E(cm) ≈ 60-90 MeV; 232Th, 237Np(16O, X), E(cm) ≈ 80-110 MeV; 232Th, 237Np(19F, X), E(cm) ≈ 90-120 MeV; analyzed fusion σ(E), fission fragment anisotropy. Dynamical trajectory model.

doi: 10.1007/s002180050233
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1997NA10      Phys.Rev. C55, 2951 (1997)

B.K.Nayak, R.K.Choudhury, D.C.Biswas, L.M.Pant, A.Saxena, D.M.Nadkarni, S.S.Kapoor

Studies of One- and Two-Proton Transfer in 12C, 16O + 154Sm, and 16O + 115In Reactions

NUCLEAR REACTIONS 154Sm(16O, X), E=100 MeV; 154Sm(12C, X), E=86 MeV; 115In(16O, X), E=90 MeV; measured σ(θ), spectra for 1p, 2p transfer channels; deduced transfer probabilities. Binding energies from semiclassical model, slope anomaly.

doi: 10.1103/PhysRevC.55.2951
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6126.


1997SH22      Phys.Rev. C56, 868 (1997)

D.V.Shetty, R.K.Choudhury, B.K.Nayak, D.M.Nadkarni, S.S.Kapoor

Investigation of Fusion l Distributions at Near and Sub-Barrier Energies Through Fission Fragment γ Ray Multiplicity Measurements

NUCLEAR REACTIONS 232Th(12C, F), E=60-86 MeV; 232Th(16O, F), E=84-100 MeV; measured fission fragment γ multiplicity vs E(beam); deduced fission fragment, compound nucleus spin distributions, nonequilibrium processes at sub-barrier energies.

doi: 10.1103/PhysRevC.56.868
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1996CH13      Phys.Rev. C53, 2739 (1996)

D.R.Chakrabarty, V.M.Datar, R.K.Choudhury, B.K.Nayak, Y.K.Agarwal, C.V.K.Baba, M.K.Sharan

Study of Nuclear Shapes in Tl Isotopes Via Excited State Giant Dipole Resonance Studies in the Reaction 16O + 181Ta

NUCLEAR REACTIONS 181Ta(16O, X), E=84-107 MeV; measured Eγ, Iγ, γ-anisotropy; deduced Tl isotopes shape features, GDR parameters.

doi: 10.1103/PhysRevC.53.2739
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1996MA03      Phys.Rev. C53, R544 (1996)

N.Majumdar, P.Bhattacharya, D.C.Biswas, R.K.Choudhury, D.M.Nadkarni, A.Saxena

Reexamination of the Nuclear Orientation Model of Quasifission Reactions to Explain Anomalous Fragment Anisotropies at Sub-Barrier Energies

NUCLEAR REACTIONS 232Th(19F, F), E=84.5-106.5 MeV; 232Th(16O, F), E=95-77 MeV; 232Th(12C, F), E=54-84 MeV; measured fission fragment σ(θ), fusion σ(E).

doi: 10.1103/PhysRevC.53.R544
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6101.


1996MA61      Phys.Rev.Lett. 77, 5027 (1996)

N.Majumdar, P.Bhattacharya, D.C.Biswas, R.K.Choudhury, D.M.Nadkarni, A.Saxena

Anomalous Peaklike Structure in the Fission Fragment Anisotropies at Sub-Barrier Energies in 11B, 12C, 16O, 19F + 232Th Reactions

NUCLEAR REACTIONS 232Th(19F, F), E=73.5-80 MeV; 232Th(16O, F), E=69.2-74.8 MeV; 232Th(11B, F), E=43-49.7 MeV; 232Th(12C, F), E(cm)=40-70 MeV; measured fission fragment σ(θ); deduced anomalous peaklike structure explanation possibility.

doi: 10.1103/PhysRevLett.77.5027
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1996PA27      Phys.Rev. C54, 2037 (1996)

L.M.Pant, A.Saxena, R.K.Choudhury, D.M.Nadkarni

Mass Dependence of Fragment Anisotropy in the Fission of 11B + 237Np and 16O + 209Bi Systems

NUCLEAR REACTIONS 237Np(11B, F), E=76 MeV; 209Bi(16O, F), E=100 MeV; measured fission fragment angular anisotropy, mass dependence, mass, energy correlations. Statistical model analysis.

doi: 10.1103/PhysRevC.54.2037
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1995BH08      Nuovo Cim. 108, 819 (1995)

P.Bhattacharya, N.Majumdar, P.Basu, M.L.Chatterjee, D.C.Biswas, A.Saxena, V.S.Ambekar, R.K.Choudhury, D.M.Nadkarni

Measurement of Complete Fusion-Fission and Transfer-Fission Cross-Sections and Angular Distributions for 19F + 232Th at Sub-Barrier Energies by Fission Fragment Folding-Angle Technique

NUCLEAR REACTIONS, ICPND 232Th(19F, F), E=78.5-106.5 MeV; measured σ(fragment) vs θ(folding) for transfer-, fusion fission, σ(E).


1995BI21      Phys.Rev. C52, R2827 (1995)

D.C.Biswas, R.K.Choudhury, D.M.Nadkarni, V.S.Ramamurthy

Evidence of Massive Cluster Transfers in 19F + 232Th Reaction at Near Barrier Energies

NUCLEAR REACTIONS 232Th(19F, X), E=113.6, 106.5 MeV; measured σ(fragment θ); deduced reduced transfer probability, Q-value dependence.

doi: 10.1103/PhysRevC.52.R2827
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1995CH65      Pramana 44, 177 (1995)

R.K.Choudhury, D.M.Nadkarni, V.S.Ambekar, B.V.Dinesh, A.Saxena, M.S.Samant, D.C.Biswas, L.M.Pant

Deep Inelastic Collisions of 32S + 27Al Reaction at 130 MeV Bombarding Energy

NUCLEAR REACTIONS 27Al(32S, X), E=130 MeV; measured fragment distribution for Z=6-10, average kinetic energy vs fragment Z; deduced highly stretched scission configurations.

doi: 10.1007/BF02847697
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6128.


1995MA41      Phys.Rev. C51, 3109 (1995)

N.Majumdar, P.Bhattacharya, D.C.Biswas, R.K.Choudhury, D.M.Nadkarni, A.Saxena

Fission-Fragment Angular Distributions and Excitation Functions in Fission Following Complete Fusion and Targetlike-fragment Fission Reactions of 19F + 232Th at Near- and Sub-Barrier Energies

NUCLEAR REACTIONS 232Th(19F, F), E=84.5-106.5 MeV; measured fission σ(E), σ(fragment θ). Coupled-channels analysis.

doi: 10.1103/PhysRevC.51.3109
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6163.


1995NA21      Phys.Rev. C52, 3081 (1995)

B.K.Nayak, R.K.Choudhury, L.M.Pant, D.M.Nadkarni, S.S.Kapoor

Fusion l Distribution in 16O, 28Si + 115In Reactions at Near- and Sub-Barrier Energies

NUCLEAR REACTIONS 115In(16O, X), E=55-80 MeV; 115In(28Si, X), E=105-115 MeV; measured Eα, γ-multiplicity distributions; deduced l-distribution moments. One-dimensional barrier penetration model.

doi: 10.1103/PhysRevC.52.3081
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1995SA27      Phys.Rev. C51, 3127 (1995)

M.S.Samant, R.P.Anand, R.K.Choudhury, S.S.Kapoor, D.M.Nadkarni

Prescission Neutron Emission in 235U(n(th), f) Through Fragment-Neutron Angular Correlation Studies

NUCLEAR REACTIONS 235U(n, F), E=thermal; measured prompt neutron energy spectra, σ(θ), (fragment)(n)(θ) following fission; deduced prescission neutron multiplicity.

doi: 10.1103/PhysRevC.51.3127
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset33103.


1994BI17      Nucl.Instrum.Methods Phys.Res. A340, 551 (1994)

D.C.Biswas, V.S.Ambekar, L.M.Pant, B.V.Dinesh, R.K.Choudhury

A Position Sensitive Ionisation Chamber for Measurement of Fission Fragments and Medium Mass Heavy Ions

RADIOACTIVITY 252Cf(SF); measured fission fragment energy distributions. Position sensitive ionization chamber telescope.

NUCLEAR REACTIONS 232Th(10B, F), E=60 MeV; measured fission fragment energy distributions. Position sensitive ionization chamber telescope.

doi: 10.1016/0168-9002(94)90137-6
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1994CH17      Nucl.Phys. A569, 93c (1994)

R.K.Choudhury, K.L.Wolf, H.Jabs, J.Schoemaker, J.B.Natowitz, K.Hagel, Y.Lou, R.Wada, R.P.Schmitt, W.Turmel, H.Xu

Giant Dipole Resonance Gamma Decay of 142Nd Nuclei Produced by 16O + 126Te and 22Ne + 120Sn Reactions at E(*) = 150 MeV

NUCLEAR REACTIONS 126Te(16O, X), E=179 MeV; 120Sn(22Ne, X), E=193 MeV; measured particle, γ-spectra. 142Nd deduced GDR parameters, no entrance channel effects.

doi: 10.1016/0375-9474(94)90099-X
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1163.


1994KU41      Pramana 42, 123 (1994)

K.Kumar, R.K.Choudhury, A.Saxena

Mass Asymmetry Dependence of Fusion Time-Scales in 11B + 237Np and 12C, 16O, 19F + 232Th Reactions in a Dynamical Trajectory Model

NUCLEAR REACTIONS 237Np(11B, X), E=77 MeV; 232Th(19F, X), E=104 MeV; 232Th(12C, X), E=77 MeV; 232Th(16O, X), E=104 MeV; calculated composite system shape time evolution, formation time vs angular momentum.

doi: 10.1007/BF02847507
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1994SA03      Phys.Rev. C49, 932 (1994)

A.Saxena, A.Chatterjee, R.K.Choudhury, S.S.Kapoor, D.M.Nadkarni

Entrance Channel Effects in the Fusion-Fission Time Scales from Studies of Prescission Neutron Multiplicities

NUCLEAR REACTIONS 232Th(11B, F), E not given; 232Th(12C, F), E=86 MeV; 232Th(16O, F), E=104 MeV; 237Np(11B, F), E=77 MeV; measured neutron emission spectra, different angles; deduced pre-scission neutron multiplicities in fusion-fission reactions, fusion-fission time-scales, transient, saddle-to-scission, formation delays.

doi: 10.1103/PhysRevC.49.932
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6129.


1993KA35      Pramana 41, 339 (1993)

S.Kailas, A.Navin, A.Chatterjee, P.Singh, A.Saxena, D.M.Nadkarni, D.C.Biswas, R.K.Choudhury, S.S.Kapoor

Sub-Barrier Fission Fragment Angular Distributions for the System 19F + 232Th

NUCLEAR REACTIONS 232Th(19F, F), E=89.3-93.6 MeV; measured fission fragment σ(θ), anisotropy. Statistical model analysis.

doi: 10.1007/BF02847398
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6130.


1993SA25      Pramana 40, 299 (1993)

M.S.Samant, R.P.Anand, R.K.Choudhury, S.S.Kapoor, K.Kumar, D.M.Nadkarni, A.Saxena

Prompt Neutron Emission Spectra and Multiplicities in the Thermal Neutron Induced Fission of 235U

NUCLEAR REACTIONS 235U(n, F), E=thermal; measured fission fragment neutron emission spectra, total kinetic energies, multiplicities.

doi: 10.1007/BF02845849
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset33035.


1992RA10      Nucl.Instrum.Methods Phys.Res. A313, 227 (1992)

M.N.Rao, S.R.S.Murthy, R.K.Choudhury

Determination of Fission Fragment Angle by the Methods of Grid Pulse Height and the Time Difference between Grid and Collector Pulses in a Back-to-Back Gridded Ionisation Chamber

NUCLEAR REACTIONS 235U(n, F), E=thermal; measured fission fragment σ(θ), mass, kinetic energy correlations. Back-to-back gridded ionization chamber.

doi: 10.1016/0168-9002(92)90100-I
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1991KA03      Phys.Rev. C43, 1466 (1991)

S.Kailas, A.Navin, A.Chatterjee, P.Singh, R.K.Choudhury, A.Saxena, D.M.Nadkarni, S.S.Kapoor, V.S.Ramamurthy, B.K.Nayak, S.V.Suryanarayana

Fission Fragment Angular Distributions for the System 19F + 232Th

NUCLEAR REACTIONS 232Th(19F, F), E=94-108 MeV; measured fission fragment σ(θ), anisotropy; deduced entrance channel dependences. Saddle-point statistical model.

doi: 10.1103/PhysRevC.43.1466
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6131.


1991VA02      Phys.Rev. C43, 1850 (1991)

R.Varma, G.K.Mehta, R.K.Choudhury, S.S.Kapoor, B.K.Nayak, V.S.Ramamurthy

Prompt Gamma-Ray Multiplicity Distributions in Spontaneous Fission of 252Cf

RADIOACTIVITY 252Cf(SF); measured prompt γ-ray multiplicity distribution; deduced fission fragment average spin, width.

doi: 10.1103/PhysRevC.43.1850
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset30968.


1990RA17      Nucl.Instrum.Methods Phys.Res. B51, 102 (1990)

M.N.Rao, D.C.Biswas, R.K.Choudhury

Charge Determination of Fission Fragments via Energy Loss and X-Ray Measurements

RADIOACTIVITY 252Cf(SF); measured fission fragment X-ray spectra, X-ray yields; deduced fission fragment charge distribution.

doi: 10.1016/0168-583X(90)90509-S
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset33120.


1987CH04      Nucl.Phys. A463, 597 (1987)

R.K.Choudhury, A.Saxena, V.S.Ramamurthy, D.M.Nadkarni, S.S.Kapoor

Variation of Kinetic Energy Distributions of Fission Fragments with Bombarding Energy in 4He Induced Fision of 238U at Medium Energies

NUCLEAR REACTIONS, ICPND 238U(α, F), E=32, 40, 48, 56 MeV; measured fission fragment yield vs mass, kinetic energy distributions.

doi: 10.1016/0375-9474(87)90632-4
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6134.


1987NA01      Phys.Rev. C35, 149 (1987)

M.N.Namboodiri, R.K.Choudhury, L.Adler, J.D.Bronson, D.Fabris, U.Garg, P.L.Gonthier, K.Hagel, D.R.Haenni, Y.W.Lui, Z.Majka, G.Mouchaty, T.Murakami, J.B.Natowitz, G.Nebbia, R.P.Schmitt, S.Simon, J.P.Sullivan, D.H.Youngblood

Linear Momentum and Angular Momentum Transfer in the Reactions of 16O with 154Sm

NUCLEAR REACTIONS 154Sm(16O, X), E=180, 310 MeV; measured (ejectile)γ-, (residue)γ-coin, σ(fragment θ, E), < Eγ > vs fragment for X=6,7Li, 7,9,10Be, 10,11B, 11,12,13,14C, 13,14,15N, 15,16,17O; deduced angular, linear momentum transfer correlation.

doi: 10.1103/PhysRevC.35.149
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1984CH17      Phys.Lett. 143B, 74 (1984)

R.K.Choudhury, P.L.Gonthier, K.Hagel, M.N.Namboodiri, J.B.Natowitz, L.Adler, S.Simon, S.Kniffen, G.Berkowitz

Evidence for Large Angular Momentum Induced Deformations of 59Cu

NUCLEAR REACTIONS 27Al(32S, X), E=105, 214 MeV; measured σ(θα, Eα), (fusion residue)α-, (evaporation residue)α-coin. 59Cu deduced large angular momentum induced deformations. Rotating liquid drop model.

doi: 10.1016/0370-2693(84)90807-4
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1984KU22      Phys.Rev. C30, 2096 (1984)

K.Kumar, R.K.Choudhury, V.S.Ramamurthy, S.S.Kapoor

Dynamical Aspects of the Correlation between Nucleon Exchange and Energy Loss for the 136Xe + 209Bi System

NUCLEAR REACTIONS 209Bi(136Xe, X), E=825-1650 MeV; calculated fragment mass, charge variances, energy loss correlation; deduced nucleon exchange rate. Classical dynamic, one-body transport models.

doi: 10.1103/PhysRevC.30.2096
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1984SI15      Nucl.Phys. A430, 249 (1984)

S.H.Simon, P.L.Gonthier, R.K.Choudhury, M.N.Namboodiri, K.Hagel, S.Kniffen, R.Patton, L.Adler, J.B.Natowitz

The Reactions of 12C with 12C at 293 MeV

NUCLEAR REACTIONS 12C(12C, X), E=293 MeV; measured σ(fragment θ, E) for Z=1-9; deduced reaction σ, mechanisms. Incomplete fusion model.

doi: 10.1016/0375-9474(84)90204-5
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1983NA08      Phys.Rev. C28, 460 (1983)

M.N.Namboodiri, R.K.Choudhury, J.B.Natowitz, K.Hagel, L.Adler, P.L.Gonthier, H.Simon, S.Kniffen, R.Patton, E.Tomasi, C.Ngo, C.Mazur, M.Ribrag

Momentum Widths in the Fragmentation of 32 MeV/u 10B

NUCLEAR REACTIONS 181Ta(10B, p), (10B, t), (10B, 3He), (10B, α), (10B, 9Be), (10B, 7Li), (10B, 6Li), E=320 MeV; measured σ(light fragment θ, E); deduced fragment momentum widths. Projectile fragmentation model.

doi: 10.1103/PhysRevC.28.460
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1983SA10      Nucl.Phys. A400, 435c (1983)

R.C.Sarantites, M.Jaaskelainen, F.A.Dilmanian, H.Puchta, R.Woodward, J.R.Beene, D.C.Hensley, M.L.Halbert, J.Hattula, J.H.Barker, R.Novotny, L.Adler, R.K.Choudhury, M.N.Namboodiri, R.P.Schmitt, J.B.Natowitz

Research Highlights with the Spin Spectrometer

NUCLEAR REACTIONS 146Nd(20Ne, 8n), E=136 MeV; 146Nd(20Ne, 6n), (20Ne, 7n), E=136, 149 MeV; 144Nd(20Ne, 6n), (20Ne, 7n), 146Nd(20Ne, 8n), E=149 MeV; measured continuum γ-spectra, γ-multiplicities; deduced fusion reaction, entry state energy, angular momentum dependences. 160,158,159Yb deduced effective moment of inertia vs spin, entry line energy vs γ-multiplicity, localized stretched dipole transition. 157,161Yb deduced localized stretched dipole transition.

doi: 10.1016/0375-9474(83)90448-7
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1982DI16      Phys.Rev.Lett. 49, 1909 (1982)

F.A.Dilmanian, D.G.Sarantites, M.Jaaskelainen, H.Puchta, R.Woodward, J.R.Beene, D.C.Hensley, M.L.Halbert, R.Novotny, L.Adler, R.K.Choudhury, M.N.Namboodiri, R.P.Schmitt, J.B.Natowitz

Alpha-Particle Angular Distributions with Respect to Spin Direction

NUCLEAR REACTIONS 150Nd(20Ne, xα), E=176 MeV; measured σ(θ, Eα) vs γ-multiplicity, evaporation residue spin direction; deduced α-emitting nucleus deformation characteristics.

doi: 10.1103/PhysRevLett.49.1909
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1981CH23      J.Phys.(London) G7, 1247 (1981)

R.K.Choudhury, R.Govil, S.S.Kapoor

A Study of the Friction Force Dependence of the Heavy-Ion Fusion Cross Sections

NUCLEAR REACTIONS 116Sn(37Cl, X), E(cm) ≈ 100-400 MeV; 14N, 12C(12C, X), E(cm) ≈ 7-100 MeV; 24Mg(32S, X), E(cm) ≈ 33-200 MeV; 27Al(12C, X), E(cm)=10-100 MeV; calculated σ(fusion, E); deduced dependence on friction force strength. Classical, dynamical trajectory calculations.

doi: 10.1088/0305-4616/7/9/016
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