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NSR database version of May 24, 2024.

Search: Author = R.K.Santra

Found 14 matches.

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2024AL09      Phys.Rev. C 109, 045809 (2024)

S.M.Ali, R.Santra, S.Sharma, A.K.Mondal

Reevaluation of the 22Ne(p, γ)23Na reaction rate

doi: 10.1103/PhysRevC.109.045809
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2023AT02      Phys.Rev. C 108, 034615 (2023)

K.Atreya, A.Sen, T.K.Ghosh, A.K.Nasirov, D.Paul, M.M.Shaikh, K.Banerjee, C.Bhattacharya, S.Kundu, S.Manna, G.Mukherjee, S.Nandi, R.Pandey, T.K.Rana, P.Roy, S.Mukhopadhyay, R.K.Santra

Exploring quasifission dynamics in reactions leading to the formation of 225Pa

doi: 10.1103/PhysRevC.108.034615
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2023SA26      Phys.Rev. C 107, 064611 (2023)

R.Santra, B.Dey, S.Roy, R.Palit, Md.S.R.Laskar, H.Pai, S.Rajbanshi, S.Ali, S.Bhattacharjee, F.S.Babra, A.Mukherjee, S.Jadhav, B.S.Naidu, A.T.Vazhappilly, S.Pal

Collective enhancement in nuclear level density of 72Ga and 71Ga from γ-gated proton spectra

NUCLEAR REACTIONS 64Ni(9Be, np), (9Be, 2np), E=30 MeV; measured Ep, Ip, Eγ, Iγ, pγ-coin; deduced reaction yields proton yields from compound nuclei. 71,72Ga; deduced nuclear level density (NLD), rotational enhancement factor. Comparison to statistical model calculations. CsI(Tl) detector array (proton detection) combined with 14 Compton-suppressed Clover detectors (γ detection) at BARC-TIFR Pelletron Linac Facility (Mumbai).

doi: 10.1103/PhysRevC.107.064611
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2023SE11      J.Phys.(London) G50, 075104 (2023)

E.Senapati, S.Mondal, S.Bhattacharya, d.Pandit, N.Dinh Dang, N.N.Anh, L.T.Quynh Huong, R.Santra, N.Quang Hung, B.Dey

Pairing phase transition in an odd-even hot 69Zn nucleus

NUCLEAR STRUCTURE 69Zn; analyzed available data; deduced pairing phase transition in an odd–even hot-rotating nucleus using the reported nuclear level density (NLD) data, which were experimentally extracted from the γ-gated particle spectra.

doi: 10.1088/1361-6471/acd2f1
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2022CH44      Phys.Rev. C 106, 034610 (2022)

S.Chakraborty, R.Santra, S.Roy, V.M.Datar

R-matrix analysis of elastic scattering, phase shifts, and radiative capture reaction cross sections in the α + α system

NUCLEAR REACTIONS 4He(α, α), E(cm)=0.45-11.4 MeV; 4He(α, γ), E* ≈ 11.4 MeV; analyzed experimental data on σ, elastic excitation functions and phase shift data for l=0, 2, 4; deduced resonance parameters, γ- and α-decay widths, B(E2). R-matrix phenomenological analysis with AZURE2 code. Comparison to ab initio calculations.

doi: 10.1103/PhysRevC.106.034610
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2022DE09      Phys.Rev. C 105, 044307 (2022)

P.Dey, D.Negi, R.Palit, P.C.Srivastava, Md.S.R.Laskar, B.Das, F.S.Babra, S.Bhattacharya, B.Das, K.Rojeeta Devi, R.Gala, U.Garg, S.S.Ghugre, E.Ideguchi, S.Kumar, A.Kundu, G.Mukherjee, S.Muralithar, S.Nag, S.Nandi, Neelam, M.K.Raja, R.Raut, R.Santra, A.Sharma, S.Sihotra, A.K.Singh, R.P.Singh, T.Trivedi

Experimental investigation of high-spin states in 90Zr

NUCLEAR REACTIONS 82Se(13C, 5n), E=60 MeV; measured Eγ, Iγ, γγγ-coin, γ(θ). 90Zr; deduced levels, J, π, DCO ratios, polarization asymmetry, multipolarity, high-spin states, bands structure, configurations. Comparison to shell-model calculations with the GWBXG effective interaction. Indian National Gamma Array (INGA) at TIFR-BARC Pelletron Linac Facility.

doi: 10.1103/PhysRevC.105.044307
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Data from this article have been entered in the XUNDL database. For more information, click here.

2022SA08      Int.J.Mod.Phys. E31, 2250003 (2022)

R.Santra, V.G.Vamaravalli, A.Roy, B.Dey, S.Roy

Evolution of the shape of fission fragment energy spectrum with absorber thickness in two different media and effective charge correction

RADIOACTIVITY 252Cf(SF); measured decay products; deduced energy spectrum of fission fragments, stopping power data with Mylar and Al foils, parameters from semi-empirical fits.

doi: 10.1142/S0218301322500033
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2021BH14      Phys.Rev. C 104, 054607 (2021)

S.Bhattacharjee, A.Mukherjee, A.Gupta, R.Santra, D.Chattopadhyay, N.Deshmukh, S.Dhuri, S.Gupta, V.V.Parkar, S.K.Pandit, K.Ramachandran, K.Mahata, A.Shrivastava, R.Pachuau, S.Rathi

Fusion of 16O + 165Ho at deep sub-barrier energies

NUCLEAR REACTIONS 165Ho(16O, 3nα)174Ta, (16O, 5n)176Re, (16O, 4n)177Re, (16O, 3n)178Re, E=62-85 MeV; measured evaporation residues (ERs) by off-line γ-ray spectroscopy, Eγ, Iγ from decays of evaporation residues, σ(E) at 14UD BARC-TIFR Pelletron-LINAC facility; deduced fusion σ(E) and compared with σ(E) results of earlier experiments, astrophysical S factor. Comparison with coupled channel (CC) calculations using Woods-Saxon potential using code PACE4, fusion hindrance and compared with prediction from adiabatic model; analyzed previous experimental results for 19F+165Ho, 7Li+165Ho, 12C+198Pt, 16O+208Pb, 28Si+64Ni, 16O+208Pb, 32S+89Y, 36S+64Ni, 40Ca+40Ca, 40Ca+48Ca, and 48Ca+48Ca systems. 178Re; measured T1/2 of the decay of the g.s.

doi: 10.1103/PhysRevC.104.054607
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6413.

2021PA30      Phys.Rev. C 104, 024604 (2021)

D.Paul, A.Sen, T.K.Ghosh, Md.M.Shaikh, K.Atreya, R.Santra, S.Kundu, T.K.Rana, K.Banerjee, C.Bhattacharya, S.Bhattacharya, J.K.Meena, D.C.Biswas, B.N.Joshi, N.Kumar, G.K.Prajapati, Y.K.Gupta, K.Mahata, K.Ramachandran, S.Pal

Fission fragment mass and folding angle distributions in the reaction 9Be +238U

NUCLEAR REACTIONS 238U(9Be, F), E=37.5, 39, 42, 47 MeV pulsed beam from BARC-TIFR Pelletron facility in Mumbai; measured fission fragments, σ(E) using two position-sensitive multiwire proportional counters (MWPC) and time-of-flight (TOF) method; deduced folding angle distributions, yields, fission fragment mass distributions, σ(E)(exp)/σ(E)(theory), incomplete fusion fission (ICF) σ(E), half-mass distribution in the fission of the compound nucleus 247Cm at 47 MeV. Comparison with experimental results from 6,7Li-induced reactions on actinide targets, and 238U(p, F), (α, F) and 232Th(12C, F) reactions. Comparison with semiempirical theoretical calculation using GEF code, and with macro-microscopic two-center shell model calculations, considering the admixture of incomplete fusion fission mechanism.

doi: 10.1103/PhysRevC.104.024604
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2021RA20      Phys.Rev. C 104, L031302 (2021)

S.Rajbanshi, S.Bhattacharya, R.Raut, R.Palit, S.Ali, R.Santra, H.Pai, F.S.Babra, R.Banik, S.Bhattacharyya, P.Dey, G.Mukherjee, Md.S.R.Laskar, S.Nandi, T.Trivedi, S.S.Ghugre, A.Goswami

Experimental evidence of exact E(5) symmetry in 82Kr

NUCLEAR REACTIONS 76Ge(9Be, 3n)82Kr, E≈31 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(linear polarization), half-lives of levels by Doppler-shift attenuation method using the INGA array at the TIFR-Mumbai Pelletron Linac Facility. 82Kr; deduced high-spin levels, J, π, multipolarities, bands, B(E2). Comparison with IBA calculations using E5 symmetry.

doi: 10.1103/PhysRevC.104.L031302
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Data from this article have been entered in the XUNDL database. For more information, click here.

2021RA31      Phys.Rev. C 104, 064316 (2021)

S.Rajbanshi, R.Palit, R.Raut, Y.Y.Wang, Z.X.Ren, J.Meng, Q.B.Chen, S.Ali, H.Pai, F.S.Babra, R.Banik, S.Bhattacharya, S.Bhattacharyya, P.Dey, S.Malik, G.Mukherjee, Md.S.R.Laskar, S.Nandi, R.Santra, T.Trivedi, S.S.Ghugre, A.Goswami

Evidence of octupole correlation in 79Se

NUCLEAR REACTIONS 76Ge(9Be, 2nα)79Se, E≈31 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), γγ(θ)(ADO ratios), γγ(linear polarization), T1/2 of levels by DSAM using INGA array of 14 Compton-suppressed clover detectors at the TIFR Pelletron Linac Facility. 79Se; deduced high-spin levels, J, π, multipolarities, multipole mixing ratios, B(M1), B(E2), B(E1)/B(E2) ratios, intrinsic dipole moments, octupole correlation; calculated potential energy surface in (β20, β30) plane based on the covariant density functional theory. Comparison of measured transition probabilities with reflection asymmetric triaxial particle rotor model (RAT-PRM) calculations.

doi: 10.1103/PhysRevC.104.064316
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Data from this article have been entered in the XUNDL database. For more information, click here.

2020SA09      Phys.Rev. C 101, 025802 (2020)

R.Santra, S.Chakraborty, S.Roy

Asymptotic normalization coefficients from transfer reactions and R-matrix analysis of direct capture in the 22Ne(p, γ)23Na reaction

NUCLEAR REACTIONS 22Ne(3He, d)23Na, E=15, 20 MeV; analyzed experimental σ(θ) data from 1971Po11 and 2002Ha03; deduced levels, J, π, spectroscopic factors, asymptotic normalization coefficients (ANCs), Γp, and resonance strengths for six bound levels and 8664- and 8944-keV resonances using finite-range distorted-wave Born approximation (FRDWBA), and DWBA. 22Ne(p, γ)23Na, E=8664 keV; deduced astrophysical S factor from R-matrix analysis of data from literature for direct capture to six bound states in 23Na, using ANCs from analysis of 22Ne(3He, d) data. 22Ne(p, γ)23Na, T=0.01-1 GK; deduced astrophysical reaction rates for direct and resonant captures, and compared to data in STARLIB database.

doi: 10.1103/PhysRevC.101.025802
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2020SA22      Phys.Lett. B 806, 135487 (2020)

R.Santra, B.Dey, S.Roy, M.S.R.Laskar, R.Palit, H.Pai, S.Rajbanshi, S.Ali, S.Bhattacharjee, F.S.Babra, A.Mukherjee, S.Jadhav, B.S.Naidu, A.T.Vazhappilly, S.Pal

Nuclear level density of 69Zn from gamma gated particle spectrum and its implication on 68Zn(n, γ)69Zn capture cross section

NUCLEAR REACTIONS 64Zn(9Be, nα)68Zn, E=30 MeV; measured reaction products, Eα, Iα, Eγ, Iγ. 73Ge; deduced γ-ray energies, J, π, level scheme, yields, σ, nuclear level densities. Comparison with available data.

doi: 10.1016/j.physletb.2020.135487
Citations: PlumX Metrics

2015TA29      Sci. Rep. 5, 10977 (2015)

T.Tachibana, Z.Jurek, H.Fukuzawa, K.Motomura, K.Nagaya, S.Wada, P.Johnsson, M.Siano, S.Mondal, Y.Ito, M.Kimura, T.Sakai, K.Matsunami, H.Hayashita, J.Kajikawa, X.-J.Liu, E.Robert, C.Miron, R.Feifel, J.P.Marangos, K.Tono, Y.Inubushi, M.Yabashi, S.-K.Son, B.Ziaja, M.Yao, R.Santra, K.Ueda

Nanoplasma Formation by High Intensity Hard X-rays

NUCLEAR REACTIONS Ar(γ, X), E ∼ 5 keV; measured reaction products, X-rays; deduced electron yields, volume integrated theoretical electron spectrum of x-ray. Comparison with theoretical calculations. The SPring-8 Angstrom Compact free electron LAser (SACLA) facility in Japan.

doi: 10.1038/srep10977
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Note: The following list of authors and aliases matches the search parameter R.K.Santra: , R.K.SANTRA