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Search: Author = R.P.Singhal

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2000LE02      Phys.Rev.Lett. 84, 899 (2000)

K.W.D.Legingham, I.Spencer, T.McCanny, R.P.Singhal, M.I.K.Santala, E.Clark, I.Watts, F.N.Beg, M.Zepf, K.Krushelnick, M.Tatarakis, A.E.Dangor, P.A.Norreys, A.Allott, D.Neely, R.J.Clark, A.C.Machacek, J.S.Wark, A.J.Cresswell, D.C.W.Sanderson, J.Magill

Photonuclear Physics When a Multiterawatt Laser Pulse Interacts with Solid Targets

NUCLEAR REACTIONS 12C, 39K, 63Cu, 64Zn, 107Ag, 141Pr, 181Ta(γ, n), E=high; measured activation yields. 238U(γ, F), E=high; measured Eγ, Iγ following fission fragment decay. Bremsstrahlung γ-ray beam following laser interaction with tantalum target.

RADIOACTIVITY 11C, 38K, 62Cu, 63Zn, 106Ag, 140Pr(β+) [from 12C, 39K, 63Cu, 64Zn, 107Ag, 141Pr(γ, n)]; measured T1/2.

doi: 10.1103/PhysRevLett.84.899
Citations: PlumX Metrics


1993WI08      Phys.Rev. C47, 2539 (1993)

J.E.Wise, J.R.Calarco, J.P.Connelly, S.A.Fayans, F.W.Hersman, J.H.Heisenberg, R.S.Hicks, W.Kim, T.E.Milliman, R.A.Miskimen, G.A.Peterson, A.P.Platonov, E.E.Saperstein, R.P.Singhal

Ground-State Magnetization Density of 89Y

NUCLEAR REACTIONS 89Y(e, e), E=71-262 MeV; measured σ(θ), θ=180°. 89Y deduced ground state M1 form factor. Fourier-Bessel analysis.

doi: 10.1103/PhysRevC.47.2539
Citations: PlumX Metrics


1988DE09      Phys.Lett. 205B, 22 (1988)

J.W.de Vries, D.Doornhof, C.W.de Jager, R.P.Singhal, S.Salem, G.A.Peterson, R.S.Hicks

The 15N Ground State Studied with Elastic Electron Scattering

NUCLEAR REACTIONS 15N(e, e), E=70-430 MeV; measured longitudinal form factor. 15N deduced charge density, rms radius.

doi: 10.1016/0370-2693(88)90392-9
Citations: PlumX Metrics


1988HI02      Phys.Rev.Lett. 60, 905 (1988)

R.S.Hicks, J.Button-Shafer, B.Debebe, J.Dubach, A.Hotta, R.L.Huffman, R.A.Lindgren, G.A.Peterson, R.P.Singhal, C.W.de Jager

Determination of Single-Nucleon Wave Functions by Transverse Electron Scattering

NUCLEAR REACTIONS 10,11B(e, e), 10B(e, e'), E=203-416 MeV; measured form factors. 10B deduced 1p3/2 wave function radial shape.

doi: 10.1103/PhysRevLett.60.905
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1988HO11      Phys.Rev. C38, 1547 (1988)

A.Hotta, J.Dubach, R.S.Hicks, R.L.Huffman, B.Parker, G.A.Peterson, P.J.Ryan, R.P.Singhal, D.Halderson

Electroexcitation of 4He in the Near Continuum

NUCLEAR REACTIONS 4He(e, e'), E=130, 200 MeV; measured σ(E(e'), θ(e')). Shell model in continuum interpretation.

doi: 10.1103/PhysRevC.38.1547
Citations: PlumX Metrics


1986PA20      Phys.Rev. C34, 2354 (1986)

B.Parker, R.S.Hicks, A.Hotta, R.L.Huffman, G.A.Peterson, M.A.Plum, P.J.Ryan, R.P.Singhal

Transverse Quasielastic Electron Scattering from the Deuteron

NUCLEAR REACTIONS 2H(e, e'), E=220, 270, 320 MeV; measured σ(E(e'), θ); deduced isobar configuration role.

doi: 10.1103/PhysRevC.34.2354
Citations: PlumX Metrics


1984HO13      Phys.Rev. C30, 87 (1984)

A.Hotta, P.J.Ryan, H.Ogino, B.Parker, G.A.Peterson, R.P.Singhal

Quasielastic Electron Scattering from 56Fe at 180°

NUCLEAR REACTIONS 56Fe(e, e'), E=155-555 MeV; measured σ(θ) vs energy loss, transverse response function; deduced effective mass ratio. Relativistic Fermi gas model.

doi: 10.1103/PhysRevC.30.87
Citations: PlumX Metrics


1983SI02      J.Phys.(London) G9, L7 (1983)

R.P.Singhal, A.Watt, R.R.Whitehead

Radial and Isospin Structure of the Transition Densities of the 21+ and 22+ States in 26Mg

NUCLEAR REACTIONS 26Mg(π+, π+'), (π-, π-'), (e, e'), E not given; analyzed data; deduced form factors. 26Mg levels deduced neutron, proton component transition densities. Shell model.

doi: 10.1088/0305-4616/9/1/008
Citations: PlumX Metrics


1983SI11      Phys.Rev. C28, 513 (1983)

R.P.Singhal, J.Dubach, R.S.Hicks, R.A.Lindgren, B.Parker, G.A.Peterson

Electron Scattering at 180° from the ' Single-Hole ' States in 15N

NUCLEAR REACTIONS 15N(e, e), (e, e'), E=70-327 MeV; measured σ(E, θ). 15N levels deduced form factors. Shell, core polarization models comparison.

doi: 10.1103/PhysRevC.28.513
Citations: PlumX Metrics


1982SI09      J.Phys.(London) G8, 1059 (1982)

R.P.Singhal, A.Watt, R.R.Whitehead

Elastic Electron Scattering from 23Na, 25Mg and 27Al and a Shell-Model Interpretation

NUCLEAR REACTIONS 23Na, 25Mg, 27Al(e, e), E=250 MeV; calculated form factors. Shell model.

doi: 10.1088/0305-4616/8/8/012
Citations: PlumX Metrics


1981KN07      J.Phys.(London) G7, 1115 (1981)

E.A.Knight, R.P.Singhal, R.G.Arthur, M.W.S.Macauley

Elastic Scattering of Electrons from 20,22Ne

NUCLEAR REACTIONS 20Ne(e, e), E=39.94, 65.93, 114.93, 119.93; 22Ne(e, e), E=39.54, 59.94, 99.94, 118.34, 119.94, 138.09, 139.98, 140.33; measured σ. 20,22Ne deduced rms charge radius, form factors, subshell occupancies. Shell model calculations.

doi: 10.1088/0305-4616/7/8/017
Citations: PlumX Metrics


1981WA12      J.Phys.(London) G7, L145 (1981)

A.Watt, R.P.Singhal, M.H.Storm, R.R.Whitehead

A Shell-Model Investigation of the Binding Energies of some Exotic Isotopes of Sodium and Magnesium

NUCLEAR STRUCTURE 29,30,31,32,33Na, 30,31,32,33,34Mg; calculated binding energies. Shell model, d3/2 to f7/2 neutron excitation.

doi: 10.1088/0305-4616/7/7/004
Citations: PlumX Metrics


1979SI12      Nucl.Phys. A323, 91 (1979)

R.P.Singhal, D.Kelvin, E.A.Knight, A.Watt, R.R.Whitehead

Electromagnetic Properties of the 01+, 21+, 41+ States in 20Ne, 24Mg, 28Si, 32S

NUCLEAR STRUCTURE 20Ne, 24Mg, 28Si, 32S; calculated 0+, 2+, 4+ level sequence; deduced importance of g-shell. Large basis shell model.

doi: 10.1016/0375-9474(79)90417-2
Citations: PlumX Metrics


1978AR07      J.Phys.(London) G4, 961 (1978)

R.G.Arthur, R.P.Singhal, S.W.Brain, W.A.Gillespie, A.Johnston, E.W.Lees, M.W.S.Macauley

Vibrational States in 108Pd Studied by Elastic and Inelastic Electron Scattering

NUCLEAR REACTIONS 108Pd(e, e), E=21-121 MeV; measured σ(E). 108Pd levels deduced form factors, quadrupole moment, B(λ).

doi: 10.1088/0305-4616/4/6/023
Citations: PlumX Metrics


1978SI04      Phys.Lett. 72B, 152 (1978); see also 77Si21

R.P.Singhal, R.G.Arthur, M.W.S.Macauley

Configuration Analysis of the 6.0 MeV 4+ State in 24Mg

NUCLEAR STRUCTURE 24Mg; analyzed electron scattering data to 4+ level.

doi: 10.1016/0370-2693(77)90688-8
Citations: PlumX Metrics


1978SI11      Phys.Lett. 76B, 170 (1978)

R.P.Singhal, R.G.Arthur, E.A.Knight, M.W.S.Macauley, D.Kelvin, A.Watt, R.R.Whitehead

Quadrupole Transitions in 20Ne

NUCLEAR REACTIONS 20Ne(e, e), E=250 MeV; calculated σ. 20Ne calculated form factors.

doi: 10.1016/0370-2693(78)90267-8
Citations: PlumX Metrics


1977BR16      J.Phys.(London) G3, 821 (1977)

S.W.Brain, A.Johnstons, W.A.Gillespie, E.W.Lees, R.P.Singhal

The Ground-State Charge Distribution of the Silicon Isotopes and the Excited States of 28Si, 30Si

NUCLEAR REACTIONS 28,29,30Si(e, e'), E=18.5-117.1 MeV; measured σ(E, θ). 28,30Si deduced rms radii, B(λ). 29Si deduced rms radii.

doi: 10.1088/0305-4616/3/6/013
Citations: PlumX Metrics


1977BR35      J.Phys.(London), G3, 681 (1977)

S.W.Brain, A.Johnston, W.A.Gillespie, E.W.Lees, R.P.Singhal

Inelastic Electron Scattering from 29Si

NUCLEAR REACTIONS 29Si(e, e'), E=63-117 MeV; measured σ(E;θ). 29Si deduced levels, B(λ). Enriched target, resolution=0.16%, DWBA analysis.

doi: 10.1088/0305-4616/3/5/014
Citations: PlumX Metrics


1977GI13      J.Phys.(London) G3, L-169 (1977)

W.A.Gillespie, M.W.S.Macauley, A.Johnston, E.W.Lees, R.P.Singhal

B(E2) and Q21+ Measurements in the Even-Mass Cd Isotopes

NUCLEAR REACTIONS 110,112,114,116Cd(e, e'), E=68, 112 MeV; measured σ(θ). 110,112,114,116Cd deduced quadrupole moment, B(E2). Separated targets, resolution 0.15%, DWBA analysis, anharmonic vibrational model.

doi: 10.1088/0305-4616/3/8/005
Citations: PlumX Metrics


1977MA42      J.Phys.(London) G3, 1717 (1978)

M.W.S.Macauley, R.P.Singhal, R.G.Arthur, S.W.Brain, W.A.Gillespie, A.Johnston, E.W.Lees, A.G.Slight

An Experimental and Theoretical Study of the Low-Lying States of 15N

NUCLEAR REACTIONS 15N(e, e'), E=60-120 MeV; measured σ(E, θ). 15N deduced form factors, B(λ). Separated isotope gas target. Shell model, DWBA analysis.

doi: 10.1088/0305-4616/3/12/011
Citations: PlumX Metrics


1977SI02      Nucl.Phys. A279, 29 (1977)

R.P.Singhal, A.Johnston, W.A.Gillespie, E.W.Lees

Inelastic Scattering of Electrons from 27Al

NUCLEAR REACTIONS 27Al(e, e'), E=62-112 MeV; measured σ. 27Al deduced B(E2), transition radius. Intermediate-coupling model, large-basis shell model.

doi: 10.1016/0375-9474(77)90418-3
Citations: PlumX Metrics


1977SI21      Phys.Lett. 72B, 152 (1977)

R.P.Singhal, R.G.Arthur, M.W.S.Macauley

Configuration Analysis of the 6.0 4+ State in 24Mg

NUCLEAR STRUCTURE 24Mg; analyzed(e, e') data to 4+ level.

doi: 10.1016/0370-2693(77)90688-8
Citations: PlumX Metrics


1976GI07      J.Phys.(London) G2, 185 (1976)

W.A.Gillespie, R.P.Singhal, S.W.Brain, A.Johnston, E.W.Lees

Excitation of Vibrational States in 114Cd by Inelastic Electron Scattering

NUCLEAR REACTIONS 114Cd(e, e'), E=68-112 MeV; measured σ(E, θ). 114Cd levels deduced form-factors, B(λ), quadrupole moment, β. Anharmonic model.

doi: 10.1088/0305-4616/2/3/010
Citations: PlumX Metrics


1976LE07      J.Phys.(London) G2, 105 (1976)

E.W.Lees, C.S.Curran, T.E.Drake, W.A.Gillespie, A.Johnston, R.P.Singhal

Elastic Electron Scattering from the Stable Isotopes of Magnesium

NUCLEAR REACTIONS 24,25,26Mg(e, e'), E=22.9-119.7 MeV; measured σ(E, θ). 24,25,26Mg deduced rms radii, form factors. DWBA analysis. Enriched targets.

doi: 10.1088/0305-4616/2/2/007
Citations: PlumX Metrics


1976LE11      J.Phys.(London) G2, 341 (1976)

E.W.Lees, C.S.Curran, T.E.Drake, W.A.Gillespie, A.Johnston, R.P.Singhal

Inelastic Electron Scattering from 25Mg

NUCLEAR REACTIONS 25Mg(e, e'), E=61.9-119.3 MeV; measured σ(E, θ). 25Mg levels deduced radial parameters, B(E2), form factors. DWBA analysis, Nilsson model comparison, enriched target.

doi: 10.1088/0305-4616/2/5/010
Citations: PlumX Metrics


1976MA30      J.Phys.(London) G2, L35 (1976)

M.W.S.Macauley, R.P.Singhal, R.G.Arthur, S.W.Brain, W.A.Gillespie, A.Johnston, E.W.Lees, A.G.Slight

The 6.32 MeV Excitation in 15N: Is it a Single-Particle Transition (Question)

NUCLEAR REACTIONS 15N(e, e'), E=60-120 MeV; measured σ(E, θ). 15N level deduced form factors, effective charge. DWBA, shell model analysis. Enriched target.

doi: 10.1088/0305-4616/2/3/004
Citations: PlumX Metrics


1975LE02      J.Phys.(London) G1, L13 (1975)

E.W.Lees, C.S.Curran, S.W.Brain, W.A.Gillespie, A.Johnston, R.P.Singhal

The Ground State Band of 25Mg Studied by Electron Scattering

NUCLEAR REACTIONS 25Mg(e, e'), E=61.9-119.3 MeV; measured σ(E, Ee', θ). 25Mg transitions deduced B(E2).

doi: 10.1088/0305-4616/1/2/001
Citations: PlumX Metrics


1975SI21      J.Phys. (London) G1, 558 (1975)

R.P.Singhal, S.W.Brain, C.S.Curran, W.A.Gillespie, A.Johnston, E.W.Lees, A.G.Slight

Inelastic Scattering of Electrons from 90Zr

NUCLEAR REACTIONS 90Zr(e, e'), E=53.75-112.2 MeV; measured σ(E, e', θ). 90Zr deduced levels, J, π, B(λ).

doi: 10.1088/0305-4616/1/5/008
Citations: PlumX Metrics


1974LE17      J.Phys.(London) A7, 936 (1974)

E.W.Lees, A.Johnston, S.W.Brain, C.S.Curran, W.A.Gillespie, R.P.Singhal

The Study of the Excited States of 26Mg below 11 MeV by Inelastic Electron Scattering

NUCLEAR REACTIONS 26Mg(e, e'), E=56.89, 81.36, 82.75, 84.16, 85.09, 91.28, 95.74, 110.45, 110.71 MeV; measured σ(E, Ee', θ). 26Mg deduced levels, J, π, form factors β, B(λ), transition radii.

doi: 10.1088/0305-4470/7/8/005
Citations: PlumX Metrics


1974SI01      Nucl.Phys. A218, 189 (1974)

R.P.Singhal, S.W.Brain, W.A.Gillespie, A.Johnston, E.W.Lees, A.G.Slight

The B(E2) and R(tr) of 2+1 States in 90Zr and 60Ni

NUCLEAR REACTIONS 60Ni, 90Zr(e, e')E=45-250 MeV; measured σ. 60Ni, 90Zr levels deduced B(E2), transition radius.

doi: 10.1016/0375-9474(74)90030-X
Citations: PlumX Metrics


1973LE17      J.Phys.(London) A6, L116 (1973)

E.W.Lees, A.Johnston, S.W.Brain, C.S.Curran, W.A.Gillespie, R.P.Singhal

The B(E2) Value of the First Excited State of 26Mg

NUCLEAR REACTIONS 26Mg(e, e'); measured σ(θ). 26Mg level deduced B(E2).

doi: 10.1088/0305-4470/6/8/003
Citations: PlumX Metrics


1973SI31      Can.J.Phys. 51, 2125 (1973)

R.P.Singhal, H.S.Caplan, J.R.Moreira, T.E.Drake

Inelastic Electron Scattering from 20,22Ne

NUCLEAR REACTIONS 20,22Ne(e, e'), E=102 MeV; measured σ(Ee'), form factors. 20,22Ne levels deduced B(E2).

doi: 10.1139/p73-278
Citations: PlumX Metrics


1973SI39      Nucl.Phys. A216, 29 (1973)

R.P.Singhal, S.W.Brain, C.S.Curran, T.E.Drake, W.A.Gillespie, A.Johnston, E.W.Lees

Elastic Scattering of Electrons from the N = 50 Isotones; 88Sr, 89Y, 90Zr and 92Mo

NUCLEAR REACTIONS 88Sr, 89Y, 90Zr, 92Mo(e, e), E0=25-120 MeV; measured σ(E). Deduced nuclear charge distributions.

doi: 10.1016/0375-9474(73)90515-0
Citations: PlumX Metrics


1972CU02      J.Phys.(London) A5, L39 (1972)

C.S.Curran, T.E.Drake, A.Johnston, S.W.Brain, W.A.Gillespie, E.W.Lees, R.P.Singhal, A.G.Slight

Nuclear Charge Distributions of the Isotopes 24Mg, 25Mg and 26Mg from Elastic Electron Scattering

NUCLEAR REACTIONS 24,25,26Mg(e, e), E =not given; measured σ(θ). 24,25,26Mg deduced nuclear charge distributions.

doi: 10.1088/0305-4470/5/4/001
Citations: PlumX Metrics


1972SI30      Nucl.Phys. A194, 642 (1972)

R.P.Singhal, H.B.Knowles

Empirical Values of Higher-Order Matrix Elements in Five Hindered-Allowed β-Decays: 22Na, 182Ta, 56Mn, 58Co, 32P

RADIOACTIVITY 22Na, 182Ta, 56Mn, 58Co, 32P; analyzed βγ(θ), βγ-CP, β-longitudinal polarization; deduced higher-order matrix elements.

doi: 10.1016/0375-9474(72)91009-3
Citations: PlumX Metrics


1971GR27      Can.J.Phys. 49, 2073 (1971)

J.L.Groh, R.P.Singhal, H.S.Caplan

Elastic Scattering of Electrons from Argon-40

NUCLEAR REACTIONS 40Ar(e, e), E=78, 82, 89, 120 MeV; measured σ(E;θ); deduced form factors. 40Ar deduced rms charge radius.

doi: 10.1139/p71-250
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1971GR33      Can.J.Phys. 49, 2743 (1971)

J.L.Groh, R.P.Singhal, H.S.Caplan, B.S.Dolbilkin

Inelastic Electron Scattering from 18O

NUCLEAR REACTIONS 18O(e, e'), E=92.5, 105.9 MeV; measured σ(Ee'); deduced form factors. 18O T=1 levels deduced B(EL).

doi: 10.1139/p71-333
Citations: PlumX Metrics


1971MO15      Can.J.Phys. 49, 1434 (1971)

J.R.Moreira, R.P.Singhal, H.S.Caplan

Charge Radii of 20,22Ne Determined from Elastic Electron Scattering

NUCLEAR REACTIONS 20,22Ne(e, e), E=140 MeV; measured σ(θ); deduced form factor. 20,22Ne deduced nuclear charge radii.

doi: 10.1139/p71-169
Citations: PlumX Metrics


1971SI17      J.Phys.(London). A4, L93 (1971)

R.P.Singhal, C.S.Curran, T.E.Drake, W.A.Gillespie, A.Johnston, E.W.Lees

Nuclear Charge Distributions of 89Y, 90Zr and 92Mo by Elastic Electron Scattering

NUCLEAR REACTIONS 89Y, 90Zr, 92Mo(e, e), E not given; measured σ(θ). 89Y, 90Zr, 92Mo deduced nuclear charge distributions.


1970KI02      Can.J.Phys. 48, 83 (1970)

J.C.Kim, R.P.Singhal, H.S.Caplan

Inelastic Electron Scattering from the 13 MeV Region in Oxygen-16

NUCLEAR REACTIONS 16O(e, e'), E=11.5-13.25 MeV; measured σ(E;Ee'); deduced form factor. 16O deduced levels, level-width, transition radii, reduced matrix elements.

doi: 10.1139/p70-013
Citations: PlumX Metrics


1970SI02      Phys.Rev.Lett. 24, 73 (1970)

R.P.Singhal, J.R.Moreira, H.S.Caplan

RMS Charge Radii of 16,17,18O by Elastic Electron Scattering

NUCLEAR REACTIONS 16,17,18O(e, e), E=94-121 MeV; measured σ(E;θ); deduced elastic form factors. 16,17,18O deduced rms charge radii.

doi: 10.1103/PhysRevLett.24.73
Citations: PlumX Metrics


1970SI06      Nucl.Phys. A147, 283 (1970)

R.P.Singhal

Higher-Order Effects from Isospin-Hindered Allowed Beta Decay of 56Co

RADIOACTIVITY 56Co; measured nothing; analyzed βγ(θ), βγ-CP, ft-value, β-shape for isospin-hindered allowed β+ decay; deduced higher-order matrix elements.

doi: 10.1016/0375-9474(70)90268-X
Citations: PlumX Metrics


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