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Search: Author = R.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 T_1/2.

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 1p_3/2 wave function radial shape.

doi: 10.1103/PhysRevLett.60.905
Citations: PlumX Metrics

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

1981LI19      Phys.Rev.Lett. 47, 1266 (1981)

R.A.Lindgren, M.A.Plum, W.J.Gerace, R.S.Hicks, B.Parker, G.A.Peterson, R.Singhal, C.F.Williamson, X.K.Maruyama, F.Petrovich

Isospin Splitting of Isovector High-Spin ' Stretched ' Particle-Hole Excitations in Non-Self-Conjugate Nuclei

NUCLEAR REACTIONS ⁶⁰Ni(e, e'), E=205 MeV; measured σ(θ(e), E(e)). ⁶⁰Ni deduced levels, J, π, T, B(M8), isospin splitting. Lane model parametrization, stretched particle-hole excitations.

NUCLEAR STRUCTURE ¹³C, ¹⁵N, ^54,56Fe, ^58,60Ni; calculated isospin splitting. Lane model parametrization, stretched particle-hole excitation.

doi: 10.1103/PhysRevLett.47.1266
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 ^{29,30,31,32,33}Na, ^{30,31,32,33,34}Mg; calculated binding energies. Shell model, d_3/2 to f_7/2 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
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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
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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
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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 ^{110,112,114,116}Cd(e, e'), E=68, 112 MeV; measured σ(θ). ^{110,112,114,116}Cd 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
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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
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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
Citations: PlumX Metrics

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

Note: The following list of authors and aliases matches the search parameter R.Singhal: , R.P.SINGHAL