NSR Query Results

Output year order : Descending
Format : Normal

NSR database version of April 27, 2024.

Search: Author = R.Gandhi

Found 17 matches.

Back to query form

2024SH03      Phys.Lett. B 848, 138381 (2024)

A.Sharma, P.Dubey, U.Mishra, N.Dubey, J.Pandey, R.Gandhi, A.Pal, A.Baishya, T.Santhosh, P.C.Rout, B.K.Nayak, S.Santra, A.Chakraborty, A.Kumar

Study of the surrogate ratio method by determination of ⁵⁶Fe(n, xp) cross sections

NUCLEAR REACTIONS ⁵⁵Mn, ⁵¹V(⁶Li, α), E=25 MeV; measured reaction products. ⁵⁷Fe, ⁵³Cr; deduced σ, spin dependence of the proton emission probabilities as a function of excitation energies, the validity of surrogate ratio method for determining (n, xp) reaction cross sections. Comparison with TALYS calculations, EXFOR library. ARC-TIFR Pelletron Accelerator Facility in Mumbai.

doi: 10.1016/j.physletb.2023.138381
Citations: PlumX Metrics

2023GA23      Eur.Phys.J. A 59, 187 (2023)

R.Gandhi, S.Santra, P.C.Rout, A.Pal, A.Baishya, T.Santhosh, D.Chattopadhyay, K.Ramachandran, G.Mohanto, J.Pandey, A.Diaz-Torres, R.Palit

Measurement of ⁵⁸co(n, xp) cross sections by a surrogate method

NUCLEAR REACTIONS ⁵⁷Fe, ⁵⁹Co(⁶Li, α), E=37, 33 MeV; measured reaction products, Eα, Iα; deduced proton decay probabilities (branching ratios), σ, Comparison with ENDF/B-VIII.0, JEFF-3.3, JENDL-5, ROSFONFD-2010 libraries, TALYS and PACE4 calculations. BARC-TIFR Pelletron Linac Accelerator Facility, Mumbai.

doi: 10.1140/epja/s10050-023-01099-0
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset33194.

2023KU06      Phys.Rev. C 107, 034614 (2023)

R.Kumar, M.Maiti, A.Pal, S.Santra, P.Kaur, M.Sagwal, A.Singh, P.C.Rout, A.Baishya, R.Gandhi, T.Santhosh

Shell effect driven fission modes in fragment mass and total kinetic energy distribution of ¹⁹²Hg

NUCLEAR REACTIONS ¹⁶⁰Gd(³²S, X)¹⁹²Gd^*, E=139.7, 151.9, 163.3 MeV; measured fission fragments, coincidence between fragments, Time-of-Flight; deduced fission fragments mass distribution, total kinetic energy distribution, contribution of symmetric fission. Systematics of ratio of symmetric yield to the total yield of fragments from fission of Gd, Hg Pb and Pt isotopes.Comparison of experimental mass distribution from ¹⁹²Hg, ¹⁹¹Au, ¹⁹⁰Hg and ¹⁹²Hg. Comparison to GEF predictions. Measurements with 2 position-sensitive multiwire proportional chambers (MWPCs) at 14-UD BARC-TIFR Pelletron-Linac facility (Mumbai).

doi: 10.1103/PhysRevC.107.034614
Citations: PlumX Metrics

2023PR02      Nucl.Phys. A1030, 122578 (2023)

B.K.Pradhan, D.Chatterjee, R.Gandhi, J.Schaffner-Bielich

Role of vector self-interaction in neutron star properties

doi: 10.1016/j.nuclphysa.2022.122578
Citations: PlumX Metrics

2023SA18      Phys.Lett. B 841, 137934 (2023)

T.Santhosh, P.C.Rout, S.Santra, A.Shrivastava, G.Mohanto, S.K.Pandit, A.Pal, R.Gandhi, A.Baishya, S.Dhuri

Experimental evidence of large collective enhancement of nuclear level density and its significance in radiative neutron capture

NUCLEAR REACTIONS ¹⁶⁹Tm(⁷Li, X)¹⁷⁰Yb/¹⁷¹Yb, E=40 MeV; measured reaction products, Eα, Iα, En, In; deduced the collective enhancement of nuclear level density, MACS. Comparison with calculations. The BARC-TIFR Pelletron Linac Facility (Mumbai).

doi: 10.1016/j.physletb.2023.137934
Citations: PlumX Metrics

2023SA23      Phys.Rev. C 107, L061601 (2023)

S.Santra, A.Pal, D.Chattopadhyay, A.Kundu, P.C.Rout, R.Gandhi, A.Baishya, T.Santhosh, K.Ramachandran, R.Tripathi, B.J.Roy, T.N.Nag, G.Mohanto, S.De, B.K.Nayak, S.Kailas

Shell effect on fission fragment mass distribution at E^*_cn up to 70 MeV: Role of multichance fission

NUCLEAR REACTIONS ²³⁸U(¹¹B, X)²⁴⁹Bk, E=53-87.4 MeV; measured fission fragments from compound nuclei, (fragment)(fragment)-coin; deduced fission fragments mass distribution, total kinetic energies (TKE), mass-TKE correlations, ratio of asymmetric to symmetric contributions. Systematics on the excitation energy dependence of asymmetric fission contribution for fission of ²⁴¹Np, ²⁴²Pu, ²⁴⁷Cf, ²⁵⁰Cf, ²⁴⁹Bk. Comparison to calculations performed with semiempirical model code GEF. Investigated the manifestation of the fragment shell effect in the integral mass distributions. Two position sensitive multiwire proportional counters (MWPCs) at 14-UD BARC-TIFR Pelletron-Linac facility (Mumbai).

doi: 10.1103/PhysRevC.107.L061601
Citations: PlumX Metrics

2023SA45      Phys.Rev. C 108, 044317 (2023)

T.Santhosh, P.C.Rout, S.Santra, A.Pal, G.Mohanto, R.Gandhi, A.Baishya

Collective enhancement of nuclear level density and its fade-out in ¹⁶¹Dy

doi: 10.1103/PhysRevC.108.044317
Citations: PlumX Metrics

2022GA24      Phys.Rev. C 106, 034609 (2022)

R.Gandhi, S.Santra, A.Pal, B.K.Nayak, P.C.Rout, D.Chattopadhyay, A.Kundu, A.Baishya, T.Santhosh, S.K.Pandit, G.Mohanto, A.Diaz-Torres

Determination of ⁵⁷Co(n, xp) cross sections using the surrogate reaction ratio method

NUCLEAR REACTIONS ⁵⁶Fe(⁶Li, α), E=3.9 MeV; ⁵⁹Co(⁶Li, α), E=40.5 MeV; measured reaction products Eα, Iα, (particle)α-coin; deduced proton decay probabilities of the compound ⁵⁸Co (surrogate of n+⁵⁷Co) and ⁶¹Ni (surrogate of n+⁶⁰Ni) systems. ⁵⁷Co(n, xp), E=8.6-18.8; deduced σ(E) via surrogate reaction method using ⁶⁰Ni(n, xp) σ as the reference. Comparison to JEFF-3.3 evaluated data and TALYS-1.8 calculations. Silicon surface barrier (SSB) detector telescope and Si strip telescopes at BARC-TIFR Pelletron-Linac accelerator facility (Mumbai, India).

doi: 10.1103/PhysRevC.106.034609
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset33184.

2022MO12      Phys.Rev. C 105, 034607 (2022)

G.Mohanto, P.C.Rout, K.Ramachandran, K.Mahata, E.T.Mirgule, B.Srinivasan, A.Kundu, A.Baishya, R.Gandhi, T.Santhosh, A.Pal, S.Joshi, S.Santra, D.Patel, PrashantN.Patil, S.P.Behera, P.Yashwantrao, N.K.Mishra, D.Dutta, A.Saxena, B.K.Nayak

Probing collective enhancement in nuclear level density with evaporation α particle spectra

NUCLEAR REACTIONS ¹¹⁶Sn, ¹⁵⁹Tb(¹²C, X), E=48-64 MeV; measured Eα, Iα, En, In, nα-coin; deduced σ(θ, E) for α-production channel. Comparison with statistical model calculations using the code CASCADE with fusion cross-section obtained from coupled channel code CCFULL. Studied the effect of collective enhancement of nuclear level density fadeout inclusion in the calculations on the correct description of the experimental spectra. BARC-TIFR Pelletron-Linac facility.

doi: 10.1103/PhysRevC.105.034607
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6426.

2021PA32      Phys.Rev. C 104, L031602 (2021)

A.Pal, S.Santra, P.C.Rout, R.Gandhi, A.Baishya, T.Santhosh, R.Tripathi, T.N.Nag

Observation of a fission mode with very short elongation for the neutron-rich ²⁵⁷Md nucleus at high excitation energy

NUCLEAR REACTIONS ²³⁸U(¹⁹F, X)²⁵⁷Md^*,238U(¹⁸O, X)²⁵⁶Fm^*,232Th(¹⁹F, X)²⁵¹Es^*, E=80.9-98.0 MeV; measured fission fragments, (fission fragment)(fission fragment)-coin at the 14-UD BARC-TIFR Pelletron-Linac facility; deduced Mass and total kinetic-energy (TKE) distributions of fission fragments, peak positions and widths of the low- and high-TKE modes, mass-TKE correlations, mass-distributions. Comparison with predictions by the semi-empirical model code GEF.

doi: 10.1103/PhysRevC.104.L031602
Citations: PlumX Metrics

2020GU11      Phys.Lett. B 806, 135473 (2020)

Y.K.Gupta, B.K.Nayak, U.Garg, K.Hagino, K.B.Howard, N.Sensharma, M.Senyigit, W.P.Tan, P.D.O'Malley, M.Smith, R.Gandhi, T.Anderson, R.J.deBoer, B.Frentz, A.Gyurjinyan, O.Hall, M.R.Hall, J.Hu, E.Lamere, Q.Liu, A.Long, W.Lu, S.Lyons, K.Ostdiek, C.Seymour, M.Skulski, B.Vande Kolk

Determination of hexadecapole (β₄) deformation of the light-mass nucleus ²⁴Mg using quasi-elastic scattering measurements

NUCLEAR REACTIONS ⁹⁰Zr(¹⁶O, ¹⁶O), (²⁴Mg, ²⁴Mg), E=61 MeV; measured reaction products. ²⁴Mg; deduced deformation parameters, σ, B(Eλ). CCFULL calculations.

doi: 10.1016/j.physletb.2020.135473
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

2020MO33      Phys.Rev. C 102, 044610 (2020)

G.Mohanto, S.De, A.Parihari, P.C.Rout, K.Ramachandran, K.Mahata, E.T.Mirgule, R.Gandhi, Sangeeta, M.Kushwaha, B.Srinivasan, S.Santra, A.Shrivastava, S.P.Behera, B.J.Roy, A.Jhingan, B.K.Nayak, A.Saxena

Effect of nuclear structure and fissility on quasifission

NUCLEAR REACTIONS ^206,208Pb(³⁵Cl, X), (³⁷Cl, X), E(cm)/V_B=0.95-1.05; measured fission fragments and time-of-flight of fragments using two position sensitive multiwire proportional counters (MWPCs); deduced fission fragment velocities, mass ratio and center-of-mass angle, mass-angle distributions (MAD spectra), absence of mass-angle correlations and that of fast quasifission (QF); analyzed mass widths of the mass distributions as function of excitation energy for the reactions studied in this work, and compared with previous experimental results for ²⁰⁸Pb(³⁴S, X) and ²⁰⁸Pb(³⁰Si, X) reactions. ²⁰⁸Pb, ²³⁸U(¹²C, X), E not given; ¹⁸²W(¹³C, X), E not given; ¹⁷⁵Lu, ¹⁸⁶W, ^186,192Os, ¹⁹⁶Pt, ²⁰⁰Hg, ²⁰⁸Pb, ²³⁸U(¹⁶O, X), E not given; ²³²Th(¹⁸O, X), E not given; ¹⁷⁸Hf, ²³⁸U(²⁴Mg, X), E not given; ¹⁷⁰Yb, ²³⁸U(²⁸Si, X), E not given; ²⁰⁸Pb, ²³²Th(³⁰Si, X), E not given; ¹⁷⁸Hf, ¹⁹⁴Pt, ²⁰²Hg, ²⁰⁸Pb(³⁴S, X), E not given; ¹⁶⁸Er, ¹⁸⁶W, ²⁰⁸Pb, ²³²Th(³⁴S, X), E not given; ¹⁵⁴Sm, ^206,208Pb(³⁵Cl, X), (³⁷Cl, X), E not given; ¹⁴⁴Sm(³⁵Cl, X), E not given; ¹⁴²Nd, ¹⁵⁴Sm, ¹⁹⁸Pt, ²⁰⁸Pb, ²³²Th, ²³⁸U(⁴⁰Ca, X), E not given; ¹⁴⁴Sm, ¹⁶²Dy, ¹⁷⁰Er, ¹⁷⁴Yb, ¹⁷⁸Hf, ¹⁸⁶W, ¹⁹²Os, ¹⁹⁶Pt, ²⁰⁰Hg, ²⁰⁸Pb, ²³⁸U(⁴⁸Ti, X), E not given; ^144,154Sm(⁴⁸Ca, X), E not given; ¹⁵⁴Sm, ¹⁷⁰Er, ¹⁸⁴W, ¹⁹²Os, ¹⁹⁸Pt, ²⁰⁸Pb(⁶⁴Ni, X), E not given; analyzed measured cross sections and mass-angle distributions (MADs) by including deformation parameter β₂; deduced effect on quasifission (QF) process.

doi: 10.1103/PhysRevC.102.044610
Citations: PlumX Metrics

2020PA33      Phys.Rev. C 102, 034618 (2020)

P.N.Patil, N.M.Badiger, B.K.Nayak, S.Santra, P.C.Rout, A.Pal, G.Mohanto, K.Mahata, K.Ramachandran, R.G.Thomas, E.T.Mirgule, N.Madhavan, R.Gandhi, M.M.Hosamani, A.Vinayak, A.Kundu, S.De, S.P.Behera, B.Srinivasan, A.Saxena, V.D.Bharud

Pre-scission neutron multiplicity in the ³²S + ¹⁸⁴W reaction

NUCLEAR REACTIONS ¹⁸⁴W(³²S, F)²¹⁶Th^*, E=180 MeV or E^*=71.3 MeV; measured complimentary fission fragments, E(n), I(n), (fragment)(fragment)n-correlations, (fragment)n(θ) using single-sided silicon strip detectors for fission fragments, and an array of 14 liquid scintillators for neutrons at the BARC-TIFR 14UD Pelletron-Linac accelerator facility; deduced double differential neutron multiplicity spectra, pre-scission and post-scission neutron multiplicities, neck coordinate versus elongation for fusion and nonfusion trajectories. Comparison with statistical model calculations using JOANNE2 code, and with dynamical model calculations using HICOL code.

doi: 10.1103/PhysRevC.102.034618
Citations: PlumX Metrics

2019GA32      Phys.Rev. C 100, 054613 (2019)

R.Gandhi, B.K.Nayak, S.V.Suryanarayana, A.Pal, G.Mohanto, S.De, A.Parihari, A.Kundu, P.C.Rout, S.Santra, K.Mahata, B.Srinivasan, E.T.Mirgule, J.Pandey

Determination of ⁵³Mn(n, xp) cross sections using the surrogate reaction ratio method

NUCLEAR REACTIONS ⁵²Cr(⁶Li, α)⁵⁴Mn^*, E=33.0 MeV; ⁵⁹Co(⁶Li, α), ⁶¹Ni^*, E=40.5 MeV; measured projectile-like fragments (PLFs): protons, deuterons, tritons, and α particles, pα-coin using ΔE-E detector telescope at the BARC-TIFR Pelletron Accelerator Facility; deduced excitation energy spectra of the target-like fragments, proton decay probabilities of the excited compound nuclei ⁵⁴Mn and ⁶¹Ni. ⁵³Mn(n, xp), (n, p), (n, np), E<20 MeV; deduced σ(E) using the surrogate reaction ratio method using ⁶⁰Ni(n, xp) literature cross-section values as reference. Comparison of deduced σ(E) with TALYS-1.8 predictions using different level-density models, and with evaluated nuclear data libraries: EAF-2010, ROSFOND-2010, and JEFF-3.3.

doi: 10.1103/PhysRevC.100.054613
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset33138.

2019KU15      Phys.Rev. C 100, 024614 (2019)

A.Kundu, S.Santra, A.Pal, D.Chattopadhyay, T.N.Nag, R.Gandhi, P.C.Rout, B.J.Roy, B.K.Nayak, S.Kailas

Reaffirmation of probe dependence of the mass deformation length for low-lying excitations in ^{112, 116, 118, 120, 122, 124}Sn isotopes

NUCLEAR REACTIONS ^{112,116,118,120,122,124}Sn(¹²C, ¹²C), (¹²C, ¹²C'), E=60 MeV; measured reaction products, outgoing projectile-like fragments, angular distributions; deduced differential elastic and inelastic cross sections. ^{112,116,118,120,122,124}Sn; deduced levels, deformation lengths δ₂ and δ₃, matrix elements, transition probabilities (B(E2), B(IS2), B(E3), B(IS3)), M_n/M_p ratios for the first 2+ and 3- states extracted via coupled reaction channels (CRC) calculations with the collective model approach. Experiment performed at the BARC-TIFR Pelletron accelerator facility, Mumbai, India.

doi: 10.1103/PhysRevC.100.024614
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6358.

1996GA35      Nucl.Phys. B(Proc.Suppl.) S48, 475 (1996)

R.Gandhi, C.Quigg, M.H.Reno, I.Sarcevic

New Predictions for Neutrino Telescope Event Rates

doi: 10.1016/0920-5632(96)00295-2
Citations: PlumX Metrics

1981GA20      Indian J.Pure Appl.Phys. 19, 129 (1981)

V.P.Garg, A.K.Verma, R.Gandhi, S.D.Sharma

Magnetic Dipole Moments of Deformed Odd-Odd Nuclei up to 2p-1f Shells

NUCLEAR STRUCTURE ²H, ⁶Li, ¹⁰B, ^22,24Na, ³⁶Cl, ^40,42K, ⁵⁰V, ⁸⁷Br, ^86,86mRb, ¹⁴N, ^68,72Ga, ⁵⁴Mn, ^58,60Co, ⁷⁶As; calculated μ. Quenching factor dependence on odd nucleon spin orientation.