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NSR database version of April 11, 2024.

Search: Author = Y.K.Gupta

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2023GU15      Phys.Lett. B 845, 138120 (2023)

Y.K.Gupta, V.B.Katariya, G.K.Prajapati, K.Hagino, D.Patel, V.Ranga, U.Garg, L.S.Danu, A.Pal, B.N.Joshi, S.Dubey, V.V.Desai, S.Panwar, N.Kumar, S.Mukhopadhyay, P.Singh, N.Sirswal, R.Sariyal, I.Mazumdar, B.V.John

Precise determination of quadrupole and hexadecapole deformation parameters of the sd-shell nucleus, 28Si

NUCLEAR REACTIONS 90Zr(28Si, 28Si), E=70-102 MeV; measured reaction products. 28Si; deduced σ, quadrupole and hexadecapole deformation parameters using a Bayesian analysis within the framework of coupled channels (CC) calculations. BARC-TIFR 14 MV Pelletron accelerator facility.

doi: 10.1016/j.physletb.2023.138120
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Data from this article have been entered in the XUNDL database. For more information, click here.


2023MO26      Eur.Phys.J. A 59, 234 (2023)

G.Mohanto, A.Parihari, Y.K.Gupta, A.Pal, A.Gandhi, S.De, K.Ramachandran, E.T.Mirgule, B.Srinivasan, K.Kalita, A.Kumar, N.K.Deb, K.Rani, A.Tejaswi, C.Vadagama, V.Bharud, L.S.Danu, B.J.Roy, M.Kushwaha, B.K.Nayak, A.Saxena

Sensitivity of β4 values extracted from quasi elastic barrier distribution to the 2n transfer channel

NUCLEAR REACTIONS 176Yb(16O, X), E=54-84 MeV; measured reaction products; deduced σ(E), the Fusion Barrier Distributions (FBD), impact of deformation parameters on experimental barrier distribution. The BARC-TIFR Pelletron LINAC facility, Mumbai.

doi: 10.1140/epja/s10050-023-01143-z
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Data from this article have been entered in the XUNDL database. For more information, click here.


2022GU19      Phys.Lett. B 834, 137452 (2022)

Y.K.Gupta, G.K.Prajapati, B.V.John, B.N.Joshi, L.S.Danu, S.Dubey, S.Mukhopadhyay, N.Kumar, K.Mahata, K.Ramachandran, A.Jhingan, M.Kumar, N.Deshmukh, A.S.Pradeep, B.K.Nayak, D.C.Biswas

New signature of non-equilibrium fission from pre-scission α-particle emission

NUCLEAR REACTIONS 232Th(16O, F)4H, E=96 MeV; measured reaction products, Eα, Iα, Ep, Ip, Eγ, Iγ; deduced pre-scission α-particle multiplicity spectra, fission time. Comparison with statistical model calculations. BARC-TIFR 14-MV Pelletron accelerator facility at Mumbai.

doi: 10.1016/j.physletb.2022.137452
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2021JO07      Nucl.Phys. A1016, 122320 (2021)

B.N.Joshi, Arun K.Jain, D.C.Biswas, B.V.John, Y.K.Gupta, L.S.Danu, R.P.Vind, G.K.Prajapati, S.Mukhopadhyay, N.Kumar

Direct 16O-cluster knockout from 24Mg(g.s.)

NUCLEAR REACTIONS 24Mg(16O, 216O)8Be, E=127, 119 MeV; measured reaction products; deduced σ(θ, E). Comparison with FR-DWIA calculations. BARC-TIFR Pelletron LINAC facility.

doi: 10.1016/j.nuclphysa.2021.122320
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6410.


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


2020HO11      Phys.Lett. B 807, 135608 (2020)

K.B.Howard, U.Garg, M.Itoh, H.Akimune, M.Fujiwara, T.Furuno, Y.K.Gupta, M.N.Harakeh, K.Inaba, Y.Ishibashi, K.Karasudani, T.Kawabata, A.Kohda, Y.Matsuda, M.Murata, S.Nakamura, J.Okamoto, S.Ota, J.Piekarewicz, A.Sakaue, M.Senyigit, M.Tsumura, Y.Yang

Compressional-mode resonances in the molybdenum isotopes: Emergence of softness in open-shell nuclei near A = 90

NUCLEAR REACTIONS 94,96,98,100Mo(α, α'), E=386 MeV; measured reaction products, Eα, Iα; deduced σ(θ, E), isoscalar giant monopole resonance (ISGMR) strength distributions within the MDA framework, softness in the molybdenum isotopes. Comparison with relativistic, self-consistent Random-Phase Approximation calculations.

doi: 10.1016/j.physletb.2020.135608
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Data from this article have been entered in the XUNDL database. For more information, click here.


2020MU08      Nucl.Phys. A1000, 121785 (2020)

S.Mukhopadhyay, D.C.Biswas, L.S.Danu, R.Chakrabarti, U.Garg, S.K.Tandel, Y.K.Gupta, B.N.Joshi, G.K.Prajapati, B.V.John, S.Saha, J.Sethi, R.Palit

Lifetime measurement and shell model description of negative parity states up to band-termination in 49V

doi: 10.1016/j.nuclphysa.2020.121785
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Data from this article have been entered in the XUNDL database. For more information, click here.


2020PA45      Phys.Rev. C 102, 054604 (2020)

D.Paul, A.Sen, T.K.Ghosh, Md.M.Shaikh, K.Atreya, S.Kundu, 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

Measurement of fragment-mass distributions from fission of 214At following the 9Be + 205Tl reaction

NUCLEAR REACTIONS 205Tl(9Be, X)214At*, E=42, 43.5, 45, 47 MeV; measured reaction products, yields, time-of-flight difference of the fission fragments, Angular correlations using two position-sensitive multiwire proportional counters (MWPC) at the BARC-TIFR Pelletron facility; deduced fission-fragments mass distributions, half-mass yield distribution, slight asymmetric mass distribution. Comparison with theoretical predictions from a recent macroscopic-microscopic calculation.

doi: 10.1103/PhysRevC.102.054604
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2020PR13      Phys.Rev. C 102, 054605 (2020)

G.K.Prajapati, Y.K.Gupta, B.V.John, B.N.Joshi, H.Kaur, N.Kumar, L.S.Danu, S.Mukhopadhyay, S.Dubey, S.R.Jain, D.C.Biswas, B.K.Nayak

Temperature and isospin dependence of the level-density parameter in the A ≈ 110 mass region

NUCLEAR REACTIONS 94Mo(16O, X)110Sn*, E=55, 60, 70, 75, 80 MeV; 100Mo(16O, X)116Sn*, E=55, 60, 70, 75, 80, 95.5, 104.9, 114.6, 124.6, 136.6 MeV; measured reaction products, Eα, Iα, angular distributions using CsI(Tl) detectors in a Charge Particle Detector Array at the BARC-TIFR Pelletron Linac Accelerator facility; deduced double-differential σ(Eα), averaged α-particle energy spectra, inverse level-density parameter for Cd nuclei as a function of temperature and isospin. Statistical model analysis of experimental data using PACE2 code.

doi: 10.1103/PhysRevC.102.054605
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2019HO17      Eur.Phys.J. A 55, 228 (2019)

K.B.Howard, U.Garg, Y.K.Gupta, M.N.Harakeh

Where we stand on structure dependence of ISGMR in the Zr-Mo region: Implications on K∞

doi: 10.1140/epja/i2019-12762-x
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2019KU10      Phys.Rev. C 99, 041602 (2019)

N.Kumar, D.C.Biswas, T.K.Ghosh, J.Sadhukhan, B.N.Joshi, Y.K.Gupta, R.P.Vind, G.K.Prajapati, S.Dubey, L.S.Danu, S.Mukhopadhyay, K.Mahata, B.V.John, S.Sodaye

Role of quasifission in fission fragment mass distributions for the 28Si + 197Au reaction

NUCLEAR REACTIONS 197Au(28Si, X), E=135.4-180.0 MeV; measured yields mass distribution and time correlation of fission fragments, distribution of ratio of parallel components as a function of mass ratio, variance of fission fragment mass distribution as a function of beam energy using two position-sensitive multiwire proportional counters (MWPCs) at Pelletron-LINAC facility of TIFR, Mumbai. Comparison with dynamical and statistical model calculations. 225Np; calculated potential energy surface (PES). Discussed role of quasifission process in fission fragment mass distribution.

doi: 10.1103/PhysRevC.99.041602
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2019SE06      Phys.Lett. B 792, 170 (2019), Erratum Phys.Lett. B 820, 136556 (2021)

N.Sensharma, U.Garg, S.Zhu, A.D.Ayangeakaa, S.Frauendorf, W.Li, G.H.Bhat, J.A.Sheikh, M.P.Carpenter, Q.B.Chen, J.L.Cozzi, S.S.Ghugre, Y.K.Gupta, D.J.Hartley, K.B.Howard, R.V.F.Janssens, F.G.Kondev, T.C.McMaken, R.Palit, J.Sethi, D.Seweryniak, R.P.Singh

Two-phonon wobbling in 135Pr

NUCLEAR STRUCTURE 135Pr; analyzed available data; deduced wobbling. Comparison with theoretical calculations in the framework of the quasiparticle triaxial rotor and triaxial projected shell models.

doi: 10.1016/j.physletb.2019.03.038
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2018GU05      Phys.Rev. C 97, 064323 (2018)

Y.K.Gupta, K.B.Howard, U.Garg, J.T.Matta, M.Senyigit, M.Itoh, S.Ando, T.Aoki, A.Uchiyama, S.Adachi, M.Fujiwara, C.Iwamoto, A.Tamii, H.Akimune, C.Kadono, Y.Matsuda, T.Nakahara, T.Furuno, T.Kawabata, M.Tsumura, M.N.Harakeh, N.Kalantar-Nayestanaki

Isoscalar giant monopole, dipole, and quadrupole resonances in 90, 92Zr and 92Mo

NUCLEAR REACTIONS 90,92Zr, 92Mo(α, α'), (α, α), E=385 MeV; measured Eα, α(θ), double differential σ(E, θ) using Grand Raiden spectrometer of RCNP; deduced energies, widths, EWSR and moment ratios for isoscalar giant monopole (ISGMR), dipole (ISGDR), and quadrupole (ISGQR) strength distributions, Lorentzian parameters of distributions, collective structures not influenced by nuclear shell structure near A=90. Comparison with previous experimental results.

doi: 10.1103/PhysRevC.97.064323
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Data from this article have been entered in the XUNDL database. For more information, click here.


2018GU16      Phys.Rev. C 98, 041601 (2018)

Y.K.Gupta, D.C.Biswas, G.K.Prajapati, L.S.Danu, B.N.Joshi, S.Mukhopadhyay, B.V.John, S.Dubey, Si.Chettri, N.Kumar, R.P.Vind, S.Mukherjee

Affirmation of transfer-breakup as a source for α particle emission in 12, 13C + 232Th fission reactions

NUCLEAR REACTIONS 232Th(12C, F), (13C, F), E=74.5 MeV; measured reaction products and fission fragments, Eα, Iα, α(θ), (fragment)α-coin, α-particle multiplicity spectra by moving source disentangling analysis (MSDA) using position sensitive ionization chambers and hybrid detector telescope for fission fragment and α detection at BARC-TIFR 14-MV Pelletron accelerator facility; deduced compound nucleus excitation energy, Qα and S(n), α-particle multiplicity contributions, complementary fission fragment, near-scission emission, excess α-particle emission from α-transfer induced fission by α-particle transfer following breakup of 8Be into two α particles.

doi: 10.1103/PhysRevC.98.041601
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6347.


2017BH01      Eur.Phys.J. A 52, 312 (2017)

P.Bhar, S.K.Maurya, Y.K.Gupta, T.Manna

Modelling of anisotropic compact stars of embedding class one

doi: 10.1140/epja/i2016-16312-x
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2017GU18      Phys.Rev. C 96, 014608 (2017)

Y.K.Gupta, D.C.Biswas, O.Serot, D.Bernard, O.Litaize, S.Julien-Laferriere, A.Chebboubi, G.Kessedjian, C.Sage, A.Blanc, H.Faust, U.Koster, A.Ebran, L.Mathieu, A.Letourneau, T.Materna, S.Panebianco

Fission fragment yield distribution in the heavy-mass region from the 239Pu (nth, f) reaction

NUCLEAR REACTIONS 239Pu(n, F), E=thermal; measured fission fragments in A=126 to 150 range using the Lohengrin recoil-mass spectrometer at ILL-Grenoble high-flux reactor facility; deduced distributions of kinetic energies and ionic charge, relative mass yields in three independent experiments. Comparison with JEFF-3.1.1 fission yield evaluation, and with predictions of Monte Carlo nuclear fission models using GEF and FIFRELIN codes.

doi: 10.1103/PhysRevC.96.014608
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23342.


2017JO03      Pramana 88, 29 (2017)

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

Search for 12C+12C clustering in 24Mg ground state

NUCLEAR REACTIONS 24Mg(12C, 212C)12C, E=104 MeV; measured reaction products; deduced σ(θ, E). Comparison with theoretical calculations.

doi: 10.1007/s12043-016-1331-6
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2017PA46      Chin.Phys.C 41, 104001 (2017)

D.Patel, S.Mukherjee, N.Deshmukh, J.Lubian, J.-S.Wang, T.Correa, B.K.Nayak, Y.-Y.Yang, W.i-H.Ma, D.C.Biswas, Y.K.Gupta, S.Santra, E.T.Mirgule, L.S.Danu, N.L.Singh, A.Saxena

Influence of breakup on elastic and α-production channels in the 6Li+ 116Sn reaction

NUCLEAR REACTIONS 116Sn(6Li, X)4H, E=22-40 MeV; measured reaction products, Eα, Iα; deduced σ(θ). Comparison with the predictions of continuum-discretized coupled channels (CDCC) calculations.

doi: 10.1088/1674-1137/41/10/104001
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2016BH08      Eur.Phys.J. A 52, 312 (2016)

P.Bhar, S.K.Maurya, Y.K.Gupta, T.Manna

Modelling of anisotropic compact stars of embedding class one

doi: 10.1140/epja/i2016-16312-x
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2016BR01      Phys.Rev. C 93, 025503 (2016)

M.Brodeur, C.Nicoloff, T.Ahn, J.Allen, D.W.Bardayan, F.D.Becchetti, Y.K.Gupta, M.R.Hall, O.Hall, J.Hu, J.M.Kelly, J.J.Kolata, J.Long, P.O'Malley, B.E.Schultz

Precision half-life measurement of 17F

RADIOACTIVITY 17F(β+)[from 2H(16O, X), E not given]; measured β radiation, half-life of 17F decay at the University of Notre Dame β-decay counting station; deduced mixing ratio ρ for the mixed transition between mirror nuclei and the correlation parameters based on Standard Model validity. Discussed uncertainty estimates. Comparison with previous experimental measurements.

NUCLEAR REACTIONS 2H(16O, X)12C/13C/14N/15O/16O/17O/17F, E not given; measured yields of reaction products at Notre Dame TwinSol facility.

doi: 10.1103/PhysRevC.93.025503
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Data from this article have been entered in the XUNDL database. For more information, click here.


2016DU25      Phys.Rev. C 94, 064610 (2016)

S.Dubey, D.C.Biswas, S.Mukherjee, D.Patel, Y.K.Gupta, G.K.Prajapati, B.N.Joshi, L.S.Danu, S.Mukhopadhyay, B.V.John, S.V.Suryanarayana, R.P.Vind

Quasi-elastic scattering and transfer angular distribution for 10, 11B + 232Th systems at near-barrier energies

NUCLEAR REACTIONS 232Th(11B, 11B'), (11B, X), E=52, 53, 54, 55, 56, 57, 59, 61, 65 MeV; 232Th(10B, 10B'), (10B, X), E=49, 51, 52, 53, 54, 55, 56, 57, 59, 61, 65 MeV; measured outgoing particles, quasielastic σ(θ, E), transfer σ(E) for 12,13C, 9,10Be, 6,7Li, and reaction σ(E) at 14UD BARC-TIFR Pelletron facility; deduced optical model parameters, energy dependence of the real and imaginary potentials, reduced reaction cross sections. Optical model analysis using code ECIS with phenomenological Woods-Saxon potentials.

doi: 10.1103/PhysRevC.94.064610
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6273.


2016GU05      Phys.Rev. C 93, 044324 (2016)

Y.K.Gupta, U.Garg, J.Hoffman, J.Matta, P.V.Madhusudhana Rao, D.Patel, T.Peach, K.Yoshida, M.Itoh, M.Fujiwara, K.Hara, H.Hashimoto, K.Nakanishi, M.Yosoi, H.Sakaguchi, S.Terashima, S.Kishi, T.Murakami, M.Uchida, Y.Yasuda, H.Akimune, T.Kawabata, M.N.Harakeh

Deformation effects on isoscalar giant resonances in 24Mg

NUCLEAR REACTIONS 24Mg(α, α), (α, α'), E=386 MeV; measured Eα, Iα, σ(θ) using Grand Raiden magnetic spectrometer, position-sensitive multiwire drift chambers (MWDCs) and plastic scintillators at RCNP-Osaka facility. DWBA analysis. 24Mg; deduced levels, isoscalar giant resonances, l-transfers, widths, strength distributions for isoscalar giant monopole resonance (ISGMR), isoscalar giant dipole resonance (ISGDR) and isoscalar giant quadrupole resonance (ISGQR), K-splitting of ISGMR and ISGQR, energy-weighted sum rules (EWSR). Comparison with calculations based on self-consistent solution of deformed HFB and QRPA equations using Skyrme SkM* functionals for a prolate-deformed ground state in 24Mg and compared with those expected for a spherical ground state.

doi: 10.1103/PhysRevC.93.044324
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2513. Data from this article have been entered in the XUNDL database. For more information, click here.


2016GU13      Phys.Lett. B 760, 482 (2016)

Y.K.Gupta, U.Garg, K.B.Howard, J.T.Matta, M.Senyigit, M.Itoh, S.Ando, T.Aoki, A.Uchiyama, S.Adachi, M.Fujiwara, C.Iwamoto, A.Tamii, H.Akimune, C.Kadono, Y.Matsuda, T.Nakahara, T.Furuno, T.Kawabata, M.Tsumura, M.N.Harakeh, N.Kalantar-Nayestanaki

Are there nuclear structure effects on the isoscalar giant monopole resonance and nuclear incompressibility near A ∼ 90?

NUCLEAR REACTIONS 90,92Zr, 92Mo(α, α'), E=385 MeV; measured reaction products, Eα, Iα; deduced σ(θ, E), isoscalar giant monopole resonance strength distributions.

doi: 10.1016/j.physletb.2016.07.021
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2519. Data from this article have been entered in the XUNDL database. For more information, click here.


2016MA47      Eur.Phys.J. A 52, 191 (2016)

S.K.Maurya, Y.K.Gupta, T.T.Smitha, F.Rahaman

A new exact anisotropic solution of embedding class one

doi: 10.1140/epja/i2016-16191-1
Citations: PlumX Metrics


2016PE11      Phys.Rev. C 93, 064325 (2016)

T.Peach, U.Garg, Y.K.Gupta, J.Hoffman, J.T.Matta, D.Patel, P.V.Madhusudhana Rao, K.Yoshida, M.Itoh, M.Fujiwara, K.Hara, H.Hashimoto, K.Nakanishi, M.Yosoi, H.Sakaguchi, S.Terashima, S.Kishi, T.Murakami, M.Uchida, Y.Yasuda, H.Akimune, T.Kawabata, M.N.Harakeh, G.Colo

Effect of ground-state deformation on isoscalar giant resonances in 28Si

NUCLEAR REACTIONS 28Si(α, α), (α, α'), E=386 MeV; measured Eα, Iα, σ(θ) for g.s., first 2+ state and giant resonances using Grand Raiden magnetic spectrometer at RCNP-Osaka cyclotron facility. 28Si; deduced isoscalar giant (ISGMR, ISGQR, ISGDR, ISGOR) resonances, L-transfers, widths, strength distributions, evidence of the effect of ground-state deformation of 28Si on strength distributions. Multipole-decomposition (MDA fits), and optical model analyses. Comparison with axially deformed Hartree-Fock-Bogoliubov (HFB) and the QRPA using the Skyrme energy-density functional (EDF).

doi: 10.1103/PhysRevC.93.064325
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2015GU17      Phys.Lett. B 748, 343 (2015)

Y.K.Gupta, U.Garg, J.T.Matta, D.Patel, T.Peach, J.Hoffman, K.Yoshida, M.Itoh, M.Fujiwara, K.Hara, H.Hashimoto, K.Nakanishi, M.Yosoi, H.Sakaguchi, S.Terashima, S.Kishi, T.Murakami, M.Uchida, Y.Yasuda, H.Akimune, T.Kawabata, M.N.Harakeh

Splitting of ISGMR strength in the light-mass nucleus 24Mg due to ground-state deformation

NUCLEAR REACTIONS 24Mg(α, α'), E=386 MeV; measured reaction products, Eα, Iα; deduced energy levels, J, π, B(Eλ), the isoscalar giant monopole resonance (ISGMR) strength distribution splitting, σ(θ). Comparison with available data.

doi: 10.1016/j.physletb.2015.07.021
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetE2484. Data from this article have been entered in the XUNDL database. For more information, click here.


2015PA26      Phys.Rev. C 91, 054614 (2015)

D.Patel, S.Mukherjee, D.C.Biswas, B.K.Nayak, Y.K.Gupta, L.S.Danu, S.Santra, E.T.Mirgule

Investigation of the threshold anomaly for the 7Li + 159Tb system

NUCLEAR REACTIONS 159Tb(7Li, 7Li), E=24, 26, 28, 30, 35, 40, 44 MeV; measured elastically scattered 7Li spectra, σ(θ, E)(elastic)/σ(Rutherford) at BARC-TIFR Pelletron facility. Optical-model analysis using the Woods-Saxon potential. Comparison with Continuum-discretized coupled-channels calculations using FRESCO computer code with and without breakup couplings. Reduced reaction cross sections compared with previous experimental results of cross sections involving 7Li and 16O projectiles and different targets.

doi: 10.1103/PhysRevC.91.054614
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6259.


2015XU11      Phys.Rev. C 92, 015807 (2015)

J.Xu, E.Shields, F.Calaprice, S.Westerdale, F.Froborg, B.Suerfu, T.Alexander, A.Aprahamian, H.O.Back, C.Casarella, X.Fang, Yo.K.Gupta, A.Ianni, E.Lamere, W.H.Lippincott, Q.Liu, S.Lyons, K.Siegl, M.Smith, W.Tan, B.Vande Kolk

Scintillation efficiency measurement of Na recoils in NaI(Tl) below the DAMA/LIBRA energy threshold

NUCLEAR REACTIONS Na, I(n, n'), E=690 keV pulsed beam; measured Na-recoil spectra, double-TOF spectrum for coincidence events of Na recoils, E(n), I(n), 127I excitation events at Notre Dame accelerator facility; deduced Na-recoil quenching factors, spectral fits of the DAMA/LIBRA modulation amplitudes to standard WIMP model. Comparison with other experimental results for Na-recoil quenching factors. Relevance to DAMA/LIBRA dark matter claims.

doi: 10.1103/PhysRevC.92.015807
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2014DU02      Phys.Rev. C 89, 014610 (2014)

S.Dubey, S.Mukherjee, D.C.Biswas, B.K.Nayak, D.Patel, G.K.Prajapati, Y.K.Gupta, B.N.Joshi, L.S.Danu, S.Mukhopadhyay, B.V.John, V.V.Desai, S.V.Suryanarayana, R.P.Vind, N.N.Deshmukh, S.Appnnababu, P.M.Prajapati

Effect of breakup processes on the near-barrier elastic scattering of the 6, 7Li + 232Th systems

NUCLEAR REACTIONS 232Th(6Li, 6Li), (7Li, 7Li), E=24, 26, 30, 32, 35, 40, 44 MeV; measured scattered 6,7Li particle spectra, σ(E, θ), total fusion and reaction σ(E) using ΔE-E telescopes at BARC-TIFR pelletron accelerator facility; analyzed data by optical potential model ECIS code with Woods-Saxon and Sao Paulo potentials. Indication of breakup threshold anomaly for 6Li scattering. Discussed role of projectile breakup on reaction mechanism.

doi: 10.1103/PhysRevC.89.014610
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6234.


2014PA27      Phys.Rev. C 89, 064614 (2014)

D.Patel, S.Mukherjee, B.K.Nayak, S.V.Suryanarayana, D.C.Biswas, E.T.Mirgule, Y.K.Gupta, L.S.Danu, B.V.John, A.Saxena

Fusion barrier distributions in 6, 7Li + 209Bi reactions from quasi-elastic and fusion excitation function measurements

NUCLEAR REACTIONS 209Bi(6Li, X), (7Li, X), E=22.0-39.0 MeV; measured particle spectra, quasi-elastic σ(E), α cross sections versus incident energy at 14UD BARC-TIFR Pelletron facility; deduced fusion barrier distributions, transmission or capture probability as a function of incident energy; calculated total reaction σ(E), integrated breakup σ(E), breakup σ(E), and fusion distributions by continuum-discretized coupled-channel (CDCC) theory using FRESCO code.

doi: 10.1103/PhysRevC.89.064614
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD6241.


2013DE09      Phys.Rev. C 87, 034604 (2013)

V.V.Desai, B.K.Nayak, A.Saxena, D.C.Biswas, E.T.Mirgule, B.John, S.Santra, Y.K.Gupta, L.S.Danu, G.K.Prajapati, B.N.Joshi, S.Mukhopadhyay, S.Kailas, P.K.Pujari, A.Kumar, D.Patel, S.Mukherjee, P.M.Prajapati

Determination of 241Pu(n, f) cross sections by the surrogate-ratio method

NUCLEAR REACTIONS 238U(6Li, d), E=39.6 MeV; 232Th(6Li, d), E=39.0 MeV; measured proton, deuteron, triton, α, projectile-like fragment (PLF), and fission fragment spectra, energy loss at BARC-TIFR facility; deduced σ. 241Pu(n, F), E=16-20 MeV; deduced σ(E) using surrogate ratio method (SRM). Comparison with previous studies, and calculations using EMPIRE 3.1 code for fission barrier libraries RIPL-1 and RIPL-3, and the barrier formula (BF). Best-fit σ(E) deduced for E(n)=2-20 MeV.

doi: 10.1103/PhysRevC.87.034604
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset33053.


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


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


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


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


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


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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