NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = A.Baishya Found 12 matches. 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 ^{56}Fe(n, xp) cross sections NUCLEAR REACTIONS ^{55}Mn, ^{51}V(^{6}Li, α), E=25 MeV; measured reaction products. ^{57}Fe, ^{53}Cr; 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
2023BA39 Phys.Rev. C 108, 065807 (2023) A.Baishya, S.Santra, P.C.Rout, A.Pal, T.Santhosh Light-particle-induced deexcitations of 3^{-}_{1} and 2^{+}_{2} resonances of ^{12}C in extreme stellar conditions
doi: 10.1103/PhysRevC.108.065807
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 ^{58}co(n, xp) cross sections by a surrogate method NUCLEAR REACTIONS ^{57}Fe, ^{59}Co(^{6}Li, 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
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 ^{192}Hg NUCLEAR REACTIONS ^{160}Gd(^{32}S, X)^{192}Gd^{*}, 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 ^{192}Hg, ^{191}Au, ^{190}Hg and ^{192}Hg. 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
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 ^{169}Tm(^{7}Li, X)^{170}Yb/^{171}Yb, 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
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 ^{238}U(^{11}B, X)^{249}Bk, 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 ^{241}Np, ^{242}Pu, ^{247}Cf, ^{250}Cf, ^{249}Bk. 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
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 ^{161}Dy
doi: 10.1103/PhysRevC.108.044317
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 ^{57}Co(n, xp) cross sections using the surrogate reaction ratio method NUCLEAR REACTIONS ^{56}Fe(^{6}Li, α), E=3.9 MeV; ^{59}Co(^{6}Li, α), E=40.5 MeV; measured reaction products Eα, Iα, (particle)α-coin; deduced proton decay probabilities of the compound ^{58}Co (surrogate of n+^{57}Co) and ^{61}Ni (surrogate of n+^{60}Ni) systems. ^{57}Co(n, xp), E=8.6-18.8; deduced σ(E) via surrogate reaction method using ^{60}Ni(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
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 ^{116}Sn, ^{159}Tb(^{12}C, 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
2021BA36 Phys.Rev. C 104, 024601 (2021) A.Baishya, S.Santra, A.Pal, P.C.Rout Effect of initial 3α cluster configurations in ^{12}C on the direct decay of its Hoyle state NUCLEAR STRUCTURE ^{12}C; calculated direct 3α decay width for the Hoyle (second 0+) state using the ratio of the barrier penetration probability of the Hoyle state, the latter calculated using Semiclassical Wentzel-Kramers-Brillouin (WKB) approximation, and by considering the second 2+ state in ^{12}C as a collective excitation of the Hoyle state; deduced branching ratios for different direct decay modes of the Hoyle state, and dependence of initial configuration of 3α cluster on the limit of direct decay probability.
doi: 10.1103/PhysRevC.104.024601
2021MI20 Phys.Rev. C 104, 054606 (2021) C.V.Midhun, M.M.Musthafa, S.V.Suryanarayana, T.Santhosh, A.Baishya, P.N.Patil, A.Pal, P.C.Rout, S.Santra, R.Kujur, A.Joseph, A.Shaima, K.Hajara, P.T.M.Shan, B.Satheesh, B.V.John, E.T.Mirgule, K.C.Jagadeesan, S.Ganesan Impact of ^{7}Be breakup on the ^{7}Li(p, n) neutron spectrum NUCLEAR REACTIONS ^{7}Li(p, n), E=21 MeV beam from BARC-TIFR Pelletron-Linac facility; measured evaporation products using two silicon detector telescopes, E(n), I(n) by time-of-flight using three liquid organic scintillators, (^{3}He)α-coin, (^{3}He)n-coin, double differential σ(E(^{3}He, α), θ) for ^{7}Li(p, n)^{7}Be^{*} to n+^{3}He+α channel; deduced ΔE-E correlation spectra, ^{3}He-^{3}He energy correlation plot, double differential σ(En, θ) simulated 0° breakup neutron spectrum at 21 MeV with contributions from continuum and resonance. Comparison of neutron spectrum with previous experimental data, and with theoretical calculations using FRESCO code.
doi: 10.1103/PhysRevC.104.054606
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 ^{257}Md nucleus at high excitation energy NUCLEAR REACTIONS ^{238}U(^{19}F, X)^{257}Md^{*,238}U(^{18}O, X)^{256}Fm^{*,232}Th(^{19}F, X)^{251}Es^{*}, 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
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