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NSR database version of April 25, 2024.

Search: Author = S.K.Singh

Found 63 matches.

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2021BI05      Can.J.Phys. 99, 312 (2021)

S.K.Biswal, S.K.Singh, M.Bhuyan, R.N.Panda, S.K.Patra

A bridge between finite and infinite nuclear matter

NUCLEAR STRUCTURE ⁴⁰P, ⁴⁰S, ⁴⁰Ca, ^{112,116,120,124}Sn, ²⁰⁸Pb; calculated binding energies from nuclear matter equation of state (EOS). Comparison with available data.

doi: 10.1139/cjp-2020-0104
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2018DA04      Phys.Rev. C 97, 034902 (2018)

P.Dasgupta, R.Chatterjee, S.K.Singh, J.Alam

Effects of initial-state nucleon shadowing on the elliptic flow of thermal photons

doi: 10.1103/PhysRevC.97.034902
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2018FA07      Eur.Phys.J. A 54, 95 (2018)

A.Fatima, M.Sajjad Athar, S.K.Singh

Polarization observables and T-noninvariance in the weak charged current induced electron proton scattering

NUCLEAR REACTIONS ¹H(e, e), (e, e'), E=0-2 GeV; calculated total scattering σ, differential scattering σ, perpendicular and transverse components of polarization of the final hadron (n, Λ, Σ⁰) using CVC and allowing for T-noninvariance. Suitable for testing symmetries of the weak hadronic currents assuming CVC theory and partial conservation of axial vector current.

doi: 10.1140/epja/i2018-12534-2
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2017AK03      Eur.Phys.J. A 53, 154 (2017)

F.Akbar, M.Sajjad Athar, A.Fatima, S.K.Singh

Weak quasielastic electroproduction of hyperons with polarization observables

doi: 10.1140/epja/i2017-12340-4
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2017AK07      J.Phys.(London) G44, 125108 (2017)

F.Akbar, M.Sajjad Athar, S.K.Singh

Neutrino-nucleus cross sections in ¹²C and ⁴⁰Ar with KDAR neutrinos

NUCLEAR REACTIONS ¹²C, ⁴⁰Ar(ν, X), E<300 MeV; calculated σ using a microscopic model using the local density approximation which takes into account the nuclear effects due to the Fermi motion, binding energy and long range correlations.

doi: 10.1088/1361-6471/aa9125
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2017CH26      Int.J.Mod.Phys. E26, 1750047 (2017)

S.Chauhan, M.Sajjad Athar, S.K.Singh

Neutrino-nucleus cross-sections at supernova neutrino energies

NUCLEAR REACTIONS ¹²C, ¹⁶O, ⁴⁰Ar, ⁵⁶Fe, ²⁰⁸Pb(ν, X), (ν-bar, X), E<60 MeV; calculated σ. Comparison with available data.

doi: 10.1142/S0218301317500471
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2017KU14      Nucl.Phys. A966, 197 (2017)

B.Kumar, S.K.Singh, B.K.Agrawal, S.K.Patra

New parameterization of the effective field theory motivated relativistic mean field model

NUCLEAR STRUCTURE ¹⁶O, ^40,48Ca, ⁶⁸Ni, ⁹⁰Zr, ^100,132Sn, ²⁰⁸Pb; calculated binding energy, Q, charge radius, neutron skin thickness using newly invented (by the authors) parameterization; deduced parameters. A=16-220; calculated binding energy, Q, neutron skin, symmetry energy. Results compared with NL3, FSUGold, FSUGarnet, G2 parameters sets, applied also to neutron star calculations.

doi: 10.1016/j.nuclphysa.2017.07.001
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2016GH06      Phys.Rev. C 93, 054904 (2016)

S.Ghosh, S.K.Singh, S.Chatterjee, J.Alam, S.Sarkar

Initial conditions from the shadowed Glauber model for Pb + Pb collisions at √ s_NN = 2.76 TeV

doi: 10.1103/PhysRevC.93.054904
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2016HA24      Nucl.Phys. A955, 58 (2016)

H.Haider, F.Zaidi, M.Sajjad Athar, S.K.Singh, I.Ruiz Simo

Nuclear medium effects in F^EM_2A(x, Q²) and F^Weak_2A(x, Q²) structure functions

NUCLEAR STRUCTURE ⁵⁶Fe; calculated electromagnetic and weak nuclear structure functions vs x for Q²=2-55 GeV² using various nuclear medium effects. Compared with available data.

doi: 10.1016/j.nuclphysa.2016.06.006
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2016KU04      Int.J.Mod.Phys. E25, 1650020 (2016)

B.Kumar, S.K.Biswal, S.K.Singh, C.Lahiri, S.K.Patra

Modes of decay in neutron-rich nuclei

NUCLEAR STRUCTURE ²⁰⁸Pb, ^{232,234,236,238,240,254,256,258}Th, ^{230,232,234,236,248,250,252,254,256}U; calculated matter density distributions.

RADIOACTIVITY ^216,232,254Th, ^218,238,256U(α); calculated penetrability parameter using WKB approximation, T_1/2. Comparison with available data.

doi: 10.1142/S0218301316500208
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2016MO20      Phys.Rev. C 93, 064303 (2016)

C.Mondal, B.K.Agrawal, M.Centelles, G.Colo, X.Roca-Maza, N.Paar, X.Vinas, S.K.Singh, S.K.Patra

Model dependence of the neutron-skin thickness on the symmetry energy

NUCLEAR STRUCTURE ¹³²Sn, ²⁰⁸Pb; calculated symmetry-energy coefficient and symmetry-energy slope parameter as a function of neutron-skin thickness using several microscopic mean-field models.

doi: 10.1103/PhysRevC.93.064303
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2015AK06      Int.J.Mod.Phys. E24, 1550079 (2015)

F.Akbar, M.R.Alam, M.Sajjad Athar, S.Chauhan, S.K.Singh, F.Zaidi

Electron and Muon production cross-sections in quasielastic ν(ν-bar)-Nucleus scattering for E_ν < 1GeV

NUCLEAR REACTIONS ⁴⁰Ar(ν, E), (ν, μ), E<1 GeV; calculated σ. Comparison with available data.

doi: 10.1142/S0218301315500792
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2015BH08      Int.J.Mod.Phys. E24, 1550028 (2015)

M.Bhuyan, S.Mahapatro, S.K.Singh, S.K.Patra

The structural and decay properties of Francium isotopes

RADIOACTIVITY ^{182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,240}Fr(α); calculated Q-values, T_1/2, binding energies, rms charge radii, quadrupole deformation. Relativistic Mean Field (RMF) theory, Finite Range Droplet Model (FRDM), comparison with experimental data.

doi: 10.1142/S0218301315500287
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2015HA13      Nucl.Phys. A940, 138 (2015)

H.Haider, M.Sajjad Athar, S.K.Singh, I.Ruiz Simo

Parity violating asymmetry with nuclear medium effects in deep inelastic View the e(pol) scattering

doi: 10.1016/j.nuclphysa.2015.04.001
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2015HA23      Nucl.Phys. A943, 58 (2015)

H.Haider, F.Zaidi, M.Sajjad Athar, S.K.Singh, I.Ruiz Simo

Nuclear medium effects in structure functions of nucleon at moderate Q²

doi: 10.1016/j.nuclphysa.2015.08.008
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2015IK01      Int.J.Mod.Phys. E24, 1550019 (2015)

M.Ikram, S.K.Singh, S.K.Biswal, S.K.Patra

Effects of isovector scalar δ-meson on Λ-hypernuclei

NUCLEAR STRUCTURE ⁶H, ^7,8He, ⁷Li, ⁹Be, ¹⁰B, ¹⁶N, ¹⁶O, ²⁸Si, ³²S, ⁴⁰Ca, ⁵¹V, ⁸⁹Y, ¹³⁹La, ²⁰⁸Pb; calculated hypernuclei binding energies, rms radii, orbitals, spin-orbit potentials. Comparison with available data.

doi: 10.1142/S0218301315500196
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2015KU08      Int.J.Mod.Phys. E24, 1550017 (2015)

B.Kumar, S.K.Singh, S.K.Patra

Shape coexistence and parity doublet in Zr isotopes

NUCLEAR STRUCTURE ^{80,82,84,86,88,90,92,94,96,98,100,102,104,106,108,110,112}Zr; calculated rms radii, binding energies, deformation parameters. Relativistic (RMF) and nonrelativistic (SHF) mean-field formalisms with Bardeen-Cooper-Schrieffer (BCS) and Bogoliubov pairing. Comparison with available data.

doi: 10.1142/S0218301315500172
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2015KU28      Phys.Rev. C 92, 054314 (2015)

B.Kumar, S.K.Biswal, S.K.Singh, S.K.Patra

Examining the stability of thermally fissile Th and U isotopes

NUCLEAR STRUCTURE ^{216,218,220,222,224,226,228,230,232,234,236,238}U, ^{216,218,220,222,224,226,228,230,232,234,236,238,240}Th; calculated binding energies, charge radii, quadrupole deformation parameter β₂, potential energy surfaces. Relativistic mean-field theory (RMF) with axially deformed basis. Pairing correlations. Comparison with finite-range droplet model (FRDM) calculations, and with available experimental values. ²³²Th, ²³⁶U; calculated single-particle energy levels as function of quadrupole deformation parameter.

RADIOACTIVITY ^{222,224,226,228,230,232,234,236,238,240,242}U, ^{216,218,220,222,224,226,228,230,232,234,236,238}Th(α); calculated Q(α) and half-lives. ^{244,246,248,250,252,254,256,258,260,262,264,266,268,270}Th, ^{240,242,244,246,248,250,252,254,256,258,260,262,264,266,268}U(β^-); calculated half-lives. ^{228,230,232,234}Th, ^{232,234,236,238,240}Th(SF); calculated fission barriers. Relativistic mean-field (RMF) theory. Comparison with other theoretical calculations, and with available experimental values.

doi: 10.1103/PhysRevC.92.054314
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2014BI06      Int.J.Mod.Phys. E23, 1450017 (2014)

S.K.Biswal, M.Bhuyan, S.K.Singh, S.K.Patra

Search of double shell closure in the superheavy nuclei using a simple effective interaction

NUCLEAR STRUCTURE ²⁵⁸Md, ^258,261Rf, ^259,260Db, ^260,261Sg, ^264,265Hs, ²⁶⁹Ds, ^{285,286,287,288,289}Fl, ²⁰⁸Pb, ²⁹⁸Fl, ³⁰⁴120, ³¹⁰126; calculated binding energies, ground state densities, two-neutron separation energies, pairing gap, single particle energy levels. Simple effective interaction, comparison with available data.

doi: 10.1142/S0218301314500177
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2014SA19      Phys.Rev. C 89, 034614 (2014)

B.B.Sahu, S.K.Singh, M.Bhuyan, S.K.Biswal, S.K.Patra

Importance of nonlinearity in the NN potential

NUCLEAR STRUCTURE ²⁰Ne, ³⁸Ar, ⁶⁶Zn, ⁹⁰Zr, ¹⁰⁵Sb, ¹¹²Cs, ¹¹⁴Cd, ¹⁴⁴Sm, ¹⁴⁷Tm, ¹⁹⁸Hg, ²³⁸U; calculated ground state binding energies, charge radii, and quadrupole deformation parameter using SH, L1 and NL3 interactions, and compared with experimental data. ¹⁶O, ²⁰⁸Pb, ²⁷⁰Ds; calculated binding energy from different fields of RMF Hamiltonian density with NL3 force, and compared with experimental data.

RADIOACTIVITY ¹⁰⁵Sb, ¹⁰⁹I, ^112,113Cs, ¹¹⁷La, ¹³¹Eu, ^140,141Ho, ^145,146,147Tm(p); calculated half-lives of proton emitters. Relativistic mean field theory (RMFT) with nonlinear self-coupling of the scalar meson field using NR3Y+EX, M3Y+EX and LR3Y+EX nucleon-nucleon interactions. Comparison with experimental data.

doi: 10.1103/PhysRevC.89.034614
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2014SI10      Phys.Rev. C 89, 044001 (2014)

S.K.Singh, S.K.Biswal, M.Bhuyan, S.K.Patra

Effects of δ mesons in relativistic mean field theory

doi: 10.1103/PhysRevC.89.044001
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2013SI05      Int.J.Mod.Phys. E22, 1350001 (2013)

S.K.Singh, M.Ikram, S.K.Patra

Ground state properties and bubble structure of synthesized superheavy nuclei

NUCLEAR STRUCTURE Z=105-120; calculated binding energy, neutron, proton, and total matter density. Relativistic mean field, Skyrme HF calculations.

RADIOACTIVITY ^{266,267,268,269,270}Db, ^{258,260,262,271}Sg, ^270,272,274Bh, ^{264,268,270,272,275}Hs, ^{274,275,276,278}Mt, ^270,279,281Ds, ^{277,278,279,280,281,282}Rg, ^{282,283,284,285,294}Cn, ^{282,284,285,286}Nh, ^{286,287,288,289,296,298}Fl, ^{287,288,289,290,291}Mc, ^{290,291,292,293}Lv, ^293,294,297Ts, ^294,297Og, ^292,293,304120(α); calculated Q-value, life time. FRDM, Relativistic mean field, Skyrme HF calculations. Comparison with available data.

doi: 10.1142/S0218301313500018
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2013SI15      Int.J.Mod.Phys. E22, 1350018 (2013)

S.K.Singh, S.Mahapatro, R.N.Mishra

Relativistic mean field study of islands of inversion in neutron-rich Z = 17-23, 37-40 and 60-64 Nuclei

NUCLEAR STRUCTURE Z=17-23, 37-40, 60-64; calculated binding energy, two-neutron separation energy, quadrupole deformation and root mean square radii; deduced island of inversion. Relativistic mean field, comparison with available data.

doi: 10.1142/S0218301313500183
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2010AT01      Eur.Phys.J. A 43, 209 (2010)

M.S.Athar, S.Chauhan, S.K.Singh

Theoretical study of lepton events in the atmospheric neutrino experiments at SuperK

doi: 10.1140/epja/i2010-10908-0
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2010VE04      Eur.Phys.J. A 44, 385 (2010)

S.Verma, J.J.Das, A.Jhingan, K.Kalita, S.Barua, K.S.Golda, N.Madhavan, P.Sugathan, S.Nath, T.Varughese, J.Gehlot, S.Mandal, Ranjit, P.K.Sahu, B.John, B.K.Nayak, V.Jha, A.Saxena, S.K.Datta and R.Singh

Interaction of loosely bound radioactive 7Be and stable 7Li with 9Be

NUCLEAR REACTIONS ⁹Be(⁷Li, X), E=15.75, 24, 30 MeV; ⁹Be(⁷Be, X), E=17, 19, 21 MeV; ⁹Be(⁷Be, ⁶Li), E=19, 21 MeV; measured reaction products; ^7,9Be, ⁷Li; deduced σ(θ), α-energy spectra, energy dependence of the fusion σ. Comparison with FRDWBA calculations.

doi: 10.1140/epja/i2010-10966-2
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2009AH02      Eur.Phys.J. A 40, 151 (2009)

S.Ahmad, S.K.Singh, H.Arenhovel

Parity-violating effects in elastic electron deuteron scattering

NUCLEAR REACTIONS ²H(e, e), (polarized e, e), E=125, 200, 315, 362, 687 MeV; calculated asymmetry, polarization observables and form factors using the Standard Model with a γ-Z interference contribution.

doi: 10.1140/epja/i2008-10763-6
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2009AT01      Int.J.Mod.Phys. E18, 1469 (2009)

M.S.Athar, S.Chauhan, S.K.Singh, M.J.Vicente Vacas

Neutrino nucleus cross-sections

doi: 10.1142/S0218301309013774
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2007AT01      Nucl.Phys. A782, 179c (2007)

M.S.Athar, S.Ahmad, S.K.Singh

Neutrino Induced Charged Current 1π⁺ Production From ¹²C At Intermediate Energies

NUCLEAR REACTIONS ¹²C(ν, π⁺X), E=0.4-1.5 GeV; calculated σ. Comparison with data.

doi: 10.1016/j.nuclphysa.2006.10.055
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2007AT04      Phys.Rev. D 75, 093003 (2007)

M.S.Athar, S.Ahmad, S.K.Singh

Charged current antineutrino reactions from ¹²C at MiniBooNE energies

doi: 10.1103/PhysRevD.75.093003
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2006AT01      Nucl.Phys. A764, 551 (2006)

M.S.Athar, S.Ahmad, S.K.Singh

Neutrino nucleus cross sections for low energy neutrinos at SNS facilities

NUCLEAR REACTIONS ¹²C, ¹⁶O, ²⁷Al, ²⁸Si, ³²S, ⁴⁰Ar, ³⁹K, ⁴⁰Ca, ⁵²Cr, ⁵⁵Mn, ⁵⁶Fe, ⁷¹Ga, ⁹⁸Mo, ¹²⁷I, ¹⁸¹Ta, ²⁰⁸Pb(ν, ν), (ν, X), E=0-60 MeV; calculated quasielastic σ(E), flux-averaged total σ. ¹⁴N, ¹⁹F, ²³Na, ³¹P, ³⁷Cl, ⁵¹V, ⁵⁹Co, ⁸⁹Y, ⁹³Nb, ¹¹⁵In, ¹³⁹La, ²⁰⁹Bi(ν, X), E=spectrum; calculated flux-averaged total σ. Michel spectrum. Role of nuclear medium effects and RPA correlations discussed.

doi: 10.1016/j.nuclphysa.2005.09.017
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2006SI20      Phys.Rev.Lett. 96, 241801 (2006)

S.K.Singh, M.S.Athar, S.Ahmad

Nuclear Effects in Neutrino Induced Coherent Pion Production at K2K and MiniBooNE

NUCLEAR REACTIONS ¹²C(ν, π⁺), (ν, π⁰), E ≈ 0.2-4 GeV; calculated pion production σ, σ(q²), nuclear medium effects.

doi: 10.1103/PhysRevLett.96.241801
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2006SI22      Pramana 66, 689 (2006)

S.K.Singh, M.S.Athar, S.Ahmad

Weak pion production from nuclei

NUCLEAR REACTIONS ¹²C, ¹⁶O, ⁵⁶Fe(ν, X), E=300-3000 MeV; calculated pion production σ, momentum distributions, nuclear medium effects.

doi: 10.1007/BF02704800
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2006SI31      Phys.Lett. B 641, 159 (2006)

S.K.Singh, M.S.Athar, S.Ahmad

Nuclear cross sections in ¹⁶O for β beam neutrinos at intermediate energies

NUCLEAR REACTIONS ¹⁶O(ν, e), (ν-bar, e⁺), E ≈ 500-1000 MeV; calculated quasielastic, inelastic charged lepton production and π⁰ production σ(E), flux-averaged total σ. Nuclear medium effects and final state interactions discussed.

doi: 10.1016/j.physletb.2006.08.019
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2005AT03      Phys.Rev. C 71, 045501 (2005)

M.S.Athar, S.Ahmad, S.K.Singh

Supernova neutrino induced inclusive reactions on ⁵⁶Fe in terrestrial detectors

NUCLEAR REACTIONS ⁵⁶Fe(ν, e^-), (ν, e⁺), (ν, ν), E ≈ 0-50 MeV; calculated σ, flux-averaged σ for neutrinos from supernovae and muon decay. Local density approximation with Pauli blocking and Fermi motion effects.

doi: 10.1103/PhysRevC.71.045501
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2005AT06      Eur.Phys.J. A 24, 459 (2005)

M.S.Athar, S.Ahmad, S.K.Singh

Charged lepton production from iron induced by atmospheric neutrinos

NUCLEAR REACTIONS ⁵⁶Fe(ν, X), E=0-3000 MeV; calculated charged lepton production σ, σ(θ). Atmospheric neutrinos.

doi: 10.1140/epja/i2004-10234-2
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2004AT02      Phys.Lett. B 591, 69 (2004)

M.S.Athar, S.K.Singh

ν_e((ν-bar)_e) - ⁴⁰Ar absorption cross sections for supernova neutrinos

NUCLEAR REACTIONS ⁴⁰Ar(ν, e), (ν-bar, e⁺), E ≈ 5-60 MeV; calculated σ, nuclear medium and Coulomb distortion effects. Implications for supernova neutrino measurement discussed.

doi: 10.1016/j.physletb.2004.04.025
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2002SI32      Nucl.Phys. B(Proc.Supp.) S112, 77 (2002)

S.K.Singh

Electroweak Form Factors

doi: 10.1016/S0920-5632(02)01761-9
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2002SI33      Nucl.Phys. B(Proc.Supp.) S112, 215 (2002)

S.K.Singh, M.S.Athar

Inclusive Quasielastic ν Reaction ¹⁶O

NUCLEAR REACTIONS ¹⁶O(ν, μ^-), E=0.2, 1, 2, 5 GeV; calculated σ(E, θ). Local density approximation.

doi: 10.1016/S0920-5632(02)01781-4
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2001AR07      Eur.Phys.J. A 10, 183 (2001)

H.Arenhovel, S.K.Singh

Polarization Observables in Elastic Electron Deuteron Scattering Including Parity- and Time-Reversal-Violating Contributions

NUCLEAR REACTIONS ²H(e, e), E not given; calculated polarization observables, parity- and time-reversal-violating contributions.

doi: 10.1007/s100500170131
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2001SI15      J.Phys.(London) G27, 883 (2001)

S.K.Singh, M.S.Athar

Strangeness Content of the Nucleon and the Neutrino Scattering from ¹²C

NUCLEAR REACTIONS ¹²C(ν, ν), (ν, ν'), E=120-300 MeV; calculated σ, σ(θ, E); deduced role of strangeness in vector current form factor.

doi: 10.1088/0954-3899/27/4/312
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2001SI45      Pramana 57, 315 (2001)

S.K.Singh

Neutrino Anomaly and ν-Nucleus Interactions

doi: 10.1007/s12043-001-0041-9
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2000AL17      Nucl.Phys. A663-664, 837c (2000)

L.Alvarez-Ruso, E.Oset, S.K.Singh, M.J.Vincente-Vacas

Charged Current Weak Production of the Δ Resonance

NUCLEAR REACTIONS ¹H(e, X), E=855, 4000 MeV; calculated Δ resonance production σ(θ). ¹⁶O(ν, X), E=750 MeV; calculated Δ resonance production σ(E).

doi: 10.1016/S0375-9474(99)00781-2
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2000AT02      Phys.Rev. C61, 028501 (2000)

M.S.Athar, S.K.Singh

Atmospheric Neutrino Absorption Cross Sections in ⁴⁰Ar

NUCLEAR REACTIONS ⁴⁰Ar(ν, X), E=0.0-0.6 GeV; calculated σ, charged lepton yields; deduced nuclear model dependences.

doi: 10.1103/PhysRevC.61.028501
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1999AL17      Phys.Rev. C59, 3386 (1999)

L.Alvarez-Ruso, S.K.Singh, M.J.Vicente Vacas

νd → μ^-Δ⁺⁺n Reaction and Axial Vector N-Δ Coupling

NUCLEAR REACTIONS ²H(ν, μ^-X), E=1.6 GeV; calculated Δ production associated σ(q²); deduced axial vector coupling, deuteron structure effects.

doi: 10.1103/PhysRevC.59.3386
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1998AL09      Phys.Rev. C57, 2693 (1998)

L.Alvarez-Ruso, S.K.Singh, M.J.Vicente Vacas

Charged Current Weak Electroproduction of the Δ Resonance

NUCLEAR REACTIONS ¹H(e, X), (e⁺, X), E=500, 855, 4000 MeV; calculated Δ resonance associated σ(θ).

doi: 10.1103/PhysRevC.57.2693
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1998MU17      Phys.Lett. 434B, 7 (1998)

N.C.Mukhopadhyay, H.C.Chiang, S.K.Singh, E.Oset

Inclusive Muon Capture in Light Nuclei

NUCLEAR REACTIONS ^6,7Li, ⁹Be, ^10,11B, ^12,13,14C, ^14,15N, ^16,17,18O(μ^-, ν), E not given; calculated total capture rate; deduced isotope effect. Renormalization of vector, axial-vector strengths.

doi: 10.1016/S0370-2693(98)00790-4
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1998SI01      Phys.Lett. 416B, 23 (1998)

S.K.Singh, M.J.Vicente-Vacas, E.Oset

Nuclear Effects in Neutrino Production of Δ at Intermediate Energies

NUCLEAR REACTIONS ¹⁶O(ν, e), E=500, 750 MeV; calculated σ vs momentum transfer; deduced lepton production Δ excitation role.

doi: 10.1016/S0370-2693(97)01325-7
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1998SI09      Phys.Rev. C57, 2687 (1998)

S.K.Singh, N.C.Mukhopadhyay, E.Oset

Inclusive Neutrino Scattering in ¹²C: Implications for ν(μ) to ν(e) Oscillations

NUCLEAR REACTIONS ^12,13C, ²⁷Al(ν, μ^-X), (ν, eX), E not given; calculated flux-averaged σ. Comparison with data.

doi: 10.1103/PhysRevC.57.2687
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1996TI01      Phys.Rev. C53, 2388 (1996)

V.K.Tiwari, S.K.Singh, S.Uddin, C.P.Singh

Strangeness Conservation Constraints in Hadron Gas Models

doi: 10.1103/PhysRevC.53.2388
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1995SI23      Phys.Rev. C52, 2203 (1995)

S.K.Singh, M.S.Athar

Neutrino Magnetic Moment Effects in Neutrino Nucleus Reactions

NUCLEAR REACTIONS ⁴He, ¹²C, ¹⁶O, ⁴⁰Ar, ⁹⁸Mo(ν, ν), (ν, ν'), E=reactor, accelerator; calculated weighted σ, σ(E); deduced neutrino magnetic moment limit estimation possibility.

doi: 10.1103/PhysRevC.52.2203
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1993SI11      Phys.Rev. C48, 1246 (1993)

S.K.Singh, E.Oset

Inclusive Quasielastic Neutrino Reactions in ¹²C and ¹⁶O at Intermediate Energies

NUCLEAR REACTIONS ¹²C, ¹⁶O(ν, X), (ν-bar, X), E=50-400 MeV; calculated inclusive quasielastic σ(E); deduced medium effects role. Local density approximation, Pauli blocking, Fermi motion, strong interaction renormalization.

doi: 10.1103/PhysRevC.48.1246
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1988SI21      Z.Phys. A331, 509 (1988)

S.K.Singh, W.Leidemann, H.Arenhovel

The Role of Electromagnetic Form Factors in Meson Exchange Currents

NUCLEAR REACTIONS ²H(e, e'), E not given; calculated σ(θ(e'), E(e')) following ²H disintegration. Nonrelativistic approach, meson exchange currents.

1986BE39      J.Phys.(London) G12, L263 (1986)

M.Beyer, S.K.Singh

Constituent Quark Mass and Nucleon Properties in Nuclei

NUCLEAR STRUCTURE ¹n, ¹H; calculated mass difference. ³He, ¹²C, ⁵⁶Fe; calculated percentage changes in electric, magnetic rms charge radii, μ, (g(A)) quenching. Constituent quark model.

doi: 10.1088/0305-4616/12/12/001
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1985BE38      Phys.Lett. 160B, 26 (1985)

M.Beyer, S.K.Singh

The Nucleon Axial Vector Form Factor in an Improved Constituent Quark Model

NUCLEAR STRUCTURE ¹H; calculated charge form factor. Improved constituent quark model.

doi: 10.1016/0370-2693(85)91461-3
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1984AH03      J.Phys.(London) G10, L55 (1984)

I.Ahmad, S.K.Singh

Breathing-Mode Effect in p - ⁴He Elastic Scattering at Intermediate Energies

NUCLEAR REACTIONS ⁴He(p, p), E=1, 24 GeV; calculated σ vs momentum square. ⁴He deduced ground, monopole state coupling effects. Breathing mode, adiabatic approximation.

doi: 10.1088/0305-4616/10/3/003
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1984SI11      Phys.Lett. 143B, 10 (1984)

S.K.Singh, I.Ahmad

Parity Violating Asymmetry in High Energy Proton-Nucleon Scattering

NUCLEAR REACTIONS ¹H, ¹n(polarized p, p), E at 1.5, 6 GeV/c; calculated parity violating asymmetry. Glauber theory, meson exchange potential model.

doi: 10.1016/0370-2693(84)90794-9
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1983MU18      Pramana 20, 221 (1983)

M.V.N.Murthy, G.Ramachandran, S.K.Singh

Weak Neutral Current Effects in Elastic Electron Deuteron Scattering

NUCLEAR REACTIONS ²H(e, e), (polarized e, e), E=200, 300 MeV; calculated electron, target asymmetry, recoil deuteron vector polarization; deduced sensitivity to isoscalar axial vector component of hadronic neutral component. Impulse approximation, polarized, unpolarized target, Weinberg-Salam model.

doi: 10.1007/BF02846216
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1982AH09      Pramana 19, 249 (1982)

I.Ahmad, S.K.Singh

The (α-d) Cluster Model of ⁶Li and Muon Capture

NUCLEAR STRUCTURE ⁶Li; calculated μ-capture rate. Cluster model, electron scattering, pion photoproduction data input.

doi: 10.1007/BF02875467
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1982MU09      Z.Phys. A306, 117 (1982)

M.V.N.Murthy, G.Ramachandran, S.K.Singh

Threshold Photoproduction of Charged Pions on ¹⁴N

NUCLEAR REACTIONS ¹⁴N(γ, π⁺), (γ, π^-), E=4, 8, 12, 16 MeV; calculated σ(photoproduction) vs θ. Empirical, shell model wave functions.

doi: 10.1007/BF01415481
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1981SI03      Phys.Rev. C23, 1174 (1981)

S.K.Singh, S.A.Khan

ν(ν-bar) + d → ν(ν-bar) + n + p at Intermediate Energies

NUCLEAR REACTIONS ²H(ν, ν), (ν-bar, ν-bar), E=50-500 MeV; calculated deuteron disintegration σ(E). Helicity conserving, helicity flipping theories, neutral currents, closure approximation.

doi: 10.1103/PhysRevC.23.1174
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1981SI04      Z.Phys. A299, 337 (1981)

S.K.Singh, S.A.Khan

ν(bar)(e)+d → ν(bar)(e)+n+p at Reactor Energies

NUCLEAR REACTIONS ²H(ν-bar, nν-bar), E=2.5-12 MeV; calculated σ(E). Helicity conserving, flipping, final state interaction.

doi: 10.1007/BF01441276
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1980SI11      Nucl.Phys. A340, 307 (1980)

S.K.Singh, S.A.Khan

Asymmetry in Polarized e-d Inelastic Scattering

NUCLEAR REACTIONS ²H(polarized e, e'), E=200, 400, 600, 800, 1000 MeV; calculated asymmetry vs θ. Impulse approximation, parity violating effects.

doi: 10.1016/0375-9474(80)90277-8
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1977SI10      Phys.Lett. 69B, 422 (1977)

S.K.Singh, I.Ahmad

Threshold Pion Photoproduction on ⁶Li

NUCLEAR REACTIONS ⁶Li(γ, π⁺); calculated σ. α-d cluster model.

doi: 10.1016/0370-2693(77)90835-8
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