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NSR database version of May 24, 2024.

Search: Author = S.M.Singer

Found 28 matches.

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2007FR17      Phys.Rev. C 76, 034320 (2007)

M.Freer, I.Boztosun, C.A.Bremner, S.P.G.Chappell, R.L.Cowin, G.K.Dillon, B.R.Fulton, B.J.Greenhalgh, T.Munoz-Britton, M.P.Nicoli, W.D.M.Rae, S.M.Singer, N.Sparks, D.L.Watson, D.C.Weisser

Reexamination of the excited states of 12C

NUCLEAR REACTIONS 12C(12C, 3α), E=82-106 MeV; analyzed energy and angular distributions data. 8Be deduced levels.

doi: 10.1103/PhysRevC.76.034320
Citations: PlumX Metrics

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


2005FR14      Phys.Rev. C 71, 047305 (2005)

M.Freer, I.Boztosun, C.A.Bremner, S.P.G.Chappell, R.L.Cowin, G.K.Dillon, B.R.Fulton, B.J.Greenhalgh, M.P.Nicoli, W.D.M.Rae, S.M.Singer, D.L.Watson, D.C.Weisser

8Be + 12C(0+2) decay of excited states in 20Ne

NUCLEAR REACTIONS 12C(12C, 8Be12C), E=82-120 MeV; measured particle spectra, angular distributions. 20Ne deduced possible resonance states energies, J, π.

doi: 10.1103/PhysRevC.71.047305
Citations: PlumX Metrics


2004FR34      Phys.Rev. C 70, 064311 (2004)

M.Freer, M.P.Nicoli, S.M.Singer, C.A.Bremner, S.P.G.Chappell, W.D.M.Rae, I.Boztosun, B.R.Fulton, D.L.Watson, B.J.Greenhalgh, G.K.Dillon, R.L.Cowin, D.C.Weisser

8Be+8Be decay of excited states in 16O

NUCLEAR REACTIONS 12C(12C, 28Be), E=82-120 MeV; measured excitation energy spectra, angular correlations. 16O deduced levels, J, π. Comparison with model predictions.

doi: 10.1103/PhysRevC.70.064311
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0277.


2004FU27      Phys.Rev. C 70, 047602 (2004)

B.R.Fulton, R.L.Cowin, R.J.Woolliscroft, N.M.Clarke, L.Donadille, M.Freer, P.J.Leask, S.M.Singer, M.P.Nicoli, B.Benoit, F.Hanappe, A.Ninane, N.A.Orr, J.Tillier, L.Stuttge

Exclusive breakup measurements for 9Be

NUCLEAR REACTIONS 12C, 208Pb(9Be, n2α), E=36, 42 MeV; measured En, Eα, αα-coin, excitation energy spectra; deduced excited 8Be component, related features.

doi: 10.1103/PhysRevC.70.047602
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2004GR12      Phys.Rev. C 69, 054316 (2004)

B.J.Greenhalgh, G.K.Dillon, B.R.Fulton, D.L.Watson, R.L.Cowin, M.Freer, S.M.Singer, S.P.G.Chappell, C.A.Bremner, W.D.M.Rae, D.C.Weisser

Structures in the excitation functions of high lying inelastic channels of the 16O + 16O system in the region Ec.m. = 26 to 47 MeV

NUCLEAR REACTIONS 16O(16O, α12C), E=52-94 MeV; measured particle spectra, angular correlations, σ(E, θ), excitation function; deduced resonance features.

doi: 10.1103/PhysRevC.69.054316
Citations: PlumX Metrics


2003ME03      J.Phys.(London) G29, 697 (2003)

C.J.Metelko, M.Freer, N.Curtis, J.T.Murgatroyd, S.M.Singer, D.J.Henderson, D.J.Hofman, A.H.Wuosmaa

Resonances in 28Si populated in the 12C(20Ne, 28Si*)α reaction

NUCLEAR REACTIONS 12C(20Ne, 12C16O), E=110, 160 MeV; measured particle spectra, angular correlations. 28Si deduced resonance energies, J.

doi: 10.1088/0954-3899/29/4/307
Citations: PlumX Metrics


2002BR43      Phys.Rev. C66, 034605 (2002)

C.A.Bremner, S.P.G.Chappell, W.D.M.Rae, I.Boztosun, M.Freer, M.P.Nicoli, S.M.Singer, B.R.Fulton, D.L.Watson, B.J.Greenhalgh, G.K.Dillon, R.L.Cowin

Excitation Function Measurements for 12C + 12C Inelastic Scattering Channels

NUCLEAR REACTIONS 12C(12C, 12C'), E(cm)=40-59 MeV; measured excitation energy spectra, σ(E); deduced excitation functions, resonance features.

doi: 10.1103/PhysRevC.66.034605
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0436.


2002MA21      Phys.Rev. C65, 044006 (2002)

F.M.Marques, M.Labiche, N.A.Orr, J.C.Angelique, L.Axelsson, B.Benoit, U.C.Bergmann, M.J.G.Borge, W.N.Catford, S.P.G.Chappell, N.M.Clarke, G.Costa, N.Curtis, A.D'Arrigo, E.de Goes Brennand, F.de Oliveira Santos, O.Dorvaux, G.Fazio, M.Freer, B.R.Fulton, G.Giardina, S.Grevy, D.Guillemaud-Mueller, F.Hanappe, B.Heusch, B.Jonson, C.Le Brun, S.Leenhardt, M.Lewitowicz, M.J.Lopez, K.Markenroth, A.C.Mueller, T.Nilsson, A.Ninane, G.Nyman, I.Piqueras, K.Riisager, M.G.Saint Laurent, F.Sarazin, S.M.Singer, O.Sorlin, L.Stuttge

Detection of Neutron Clusters

NUCLEAR REACTIONS C(14Be, nX), E=35 MeV/nucleon; C(11Li, nX), E=30 MeV/nucleon; C(15B, X), E=48 MeV/nucleon; measured En, (charged particle)n-, nn-coin, angular distributions; deduced possible neutron cluster formation.

doi: 10.1103/PhysRevC.65.044006
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2001FR02      Phys.Rev. C63, 034301 (2001); Erratum Phys.Rev. C64, 019904 (2001)

M.Freer, J.C.Angelique, L.Axelsson, B.Benoit, U.Bergmann, W.N.Catford, S.P.G.Chappell, N.M.Clarke, N.Curtis, A.D'Arrigo, E.de Goes Brennard, O.Dorvaux, B.R.Fulton, G.Giardina, C.Gregori, S.Grevy, F.Hanappe, G.Kelly, M.Labiche, C.Le Brun, S.Leenhardt, M.Lewitowicz, K.Markenroth, F.M.Marques, J.T.Murgatroyd, T.Nilsson, A.Ninane, N.A.Orr, I.Piqueras, M.G.Saint Laurent, S.M.Singer, O.Sorlin, L.Stuttge, D.L.Watson

Helium Breakup States in 10Be and 12Be

NUCLEAR REACTIONS 1H, 12C(12Be, 26He), 12C(12Be, α6He), E=378 MeV; measured particle spectra, angular distributions. 10,12Be deduced levels, possible cluster structure. Secondary beam from 18O fragmentation.

doi: 10.1103/PhysRevC.63.034301
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2001FR03      Phys.Rev. C63, 034317 (2001)

M.Freer, J.T.Murgatroyd, S.M.Singer, N.Curtis, D.J.Henderson, D.J.Hofman, A.H.Wuosmaa

12C + 12C and 16O + 8Be Decay of 24Mg States Populated in the 12C(20Ne, 24Mg*)8Be Reaction

NUCLEAR REACTIONS 12C(20Ne, 8Be16O), (20Ne, 212C), E=110, 160 MeV; measured breakup fragments energy spectra, angular correlations. 24Mg deduced levels, J, π, configurations.

doi: 10.1103/PhysRevC.63.034317
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2001FR19      Nucl.Phys. A694, 147 (2001)

M.Freer, M.P.Nicoli, N.M.Clarke, B.R.Fulton, G.R.Kelly, J.T.Murgatroyd, S.M.Singer

The 12C(16O, 12C12C)α Reaction at Ebeam = 75 MeV

NUCLEAR REACTIONS 12C(16O, 212C), E=75 MeV; measured particle spectra, angular correlations. 28Si deduced resonance energy, spin.

doi: 10.1016/S0375-9474(01)00984-8
Citations: PlumX Metrics


2001LA02      Phys.Rev.Lett. 86, 600 (2001)

M.Labiche, N.A.Orr, F.M.Marques, J.C.Angelique, L.Axelsson, B.Benoit, U.C.Bergmann, M.J.G.Borge, W.N.Catford, S.P.G.Chappell, N.M.Clarke, G.Costa, N.Curtis, A.D'Arrigo, E.de Goes Brennand, O.Dorvaux, G.Fazio, M.Freer, B.R.Fulton, G.Giardina, S.Grevy, D.Guillemaud-Mueller, F.Hanappe, B.Heusch, K.L.Jones, B.Jonson, C.Le Brun, S.Leenhardt, M.Lewitowicz, M.J.Lopez, K.Markenroth, A.C.Mueller, T.Nilsson, A.Ninane, G.Nyman, F.de Oliveira, I.Piqueras, K.Riisager, M.G.Saint Laurent, F.Sarazin, S.M.Singer, O.Sorlin, L.Stuttge

Halo Structure of 14Be

NUCLEAR REACTIONS C, Pb(14Be, 2n12Be), E=35 MeV/nucleon; measured σ, neutron angular and momentum distributions, decay energy spectra. 14Be deduced halo features. Kinematically complete measurement, secondary beam from 18O fragmentation. Comparison with three-body model calculations.

doi: 10.1103/PhysRevLett.86.600
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2001LE05      Phys.Rev. C63, 034307 (2001)

P.J.Leask, M.Freer, N.M.Clarke, B.R.Fulton, C.D.Freeman, S.M.Singer, W.N.Catford, N.Curtis, K.L.Jones, R.L.Cowin, D.L.Watson, R.P.Ward, N.A.Orr, V.F.E.Pucknell

Breakup Measurements of Particle Unbound States in 10B

NUCLEAR REACTIONS 7Li(12C, α6Li), (12C, d2α), (12C, d8Be), (12C, p9Be), E=76 MeV; measured excitation energy spectra. 10B deduced levels, J, π.

doi: 10.1103/PhysRevC.63.034307
Citations: PlumX Metrics


2001LE30      J.Phys.(London) G27, B9 (2001)

P.J.Leask, L.Achouri, J.C.Angelique, B.Benoit, C.Bremner, W.N.Catford, R.Chapman, S.P.G.Chappell, N.M.Clarke, E.de Goes Brennard, L.Donadille, M.Freer, B.R.Fulton, S.Grevy, F.Hanappe, K.L.Jones, J.L.Lecouey, R.Lemmon, M.Lewitowicz, X.Liang, F.M.Marques, M.P.Nicoli, A.Ninqane, N.A.Orr, M.Shawcross, S.M.Singer, M.Smith, K.Spohr, L.Stuttge

Search for Molecular States in 16C

NUCLEAR REACTIONS 12C(16C, 16C'), E=560 MeV; measured excitation energy spectra following projectile decay. 16C deduced no molecular states.

doi: 10.1088/0954-3899/27/8/401
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2001MA90      Phys.Rev. C64, 061301 (2001)

F.M.Marques, M.Labiche, N.A.Orr, J.C.Angelique, L.Axelsson, B.Benoit, U.C.Bergmann, M.J.G.Borge, W.N.Catford, S.P.G.Chappell, N.M.Clarke, G.Costa, N.Curtis, A.D'Arrigo, E.de Goes Brennand, F.de Oliveira Santos, O.Dorvaux, G.Fazio, M.Freer, B.R.Fulton, G.Giardina, S.Grevy, D.Guillemaud-Mueller, F.Hanappe, B.Heusch, B.Jonson, C.Le Brun, S.Leenhardt, M.Lewitowicz, M.J.Lopez, K.Markenroth, A.C.Mueller, T.Nilsson, A.Ninane, G.Nyman, I.Piqueras, K.Riisager, M.G.Saint Laurent, F.Sarazin, S.M.Singer, O.Sorlin, L.Stuttge

Three-Body Correlations in Borromean Halo Nuclei

NUCLEAR REACTIONS C, Pb(14Be, 2n12Be), E=35 MeV/nucleon; analyzed particle spectra, invariant mass, three-body correlations. Intensity interferometry, Dalitz plots.

doi: 10.1103/PhysRevC.64.061301
Citations: PlumX Metrics


2000MA12      Phys.Lett. 476B, 219 (2000)

F.M.Marques, M.Labiche, N.A.Orr, J.C.Angelique, L.Axelsson, B.Benoit, U.C.Bergmann, M.J.G.Borge, W.N.Catford, S.P.G.Chappell, N.M.Clarke, G.Costa, N.Curtis, A.D'Arrigo, F.de Oliveira Santos, E.de Goes Brennand, O.Dorvaux, M.Freer, B.R.Fulton, G.Giardina, C.Gregori, S.Grevy, D.Guillemaud-Mueller, F.Hanappe, B.Heusch, B.Jonson, C.Le Brun, S.Leenhardt, M.Lewitowicz, M.J.Lopez, K.Markenroth, M.Motta, A.C.Mueller, T.Nilsson, A.Ninane, G.Nyman, I.Piqueras, K.Riisager, M.G.Saint Laurent, F.Sarazin, S.M.Singer, O.Sorlin, L.Stuttge

Two-Neutron Interferometry as a Probe of the Nuclear Halo

NUCLEAR REACTIONS Pb(6He, 2nα), E=50 MeV/nucleon; Pb(11Li, 2n9Li), E=30 MeV/nucleon; Pb(14Be, 2n12Be), E=35 MeV/nucleon; measured neutron spectra, (neutron)(neutron)(core)-coin; deduced correlation functions. 6He, 11Li, 14Be deduced radii, n-n separations. Secondary beams from 18O fragmentation.

doi: 10.1016/S0370-2693(00)00141-6
Citations: PlumX Metrics


2000SI36      Phys.Rev. C62, 054609 (2000)

S.M.Singer, W.N.Catford, G.J.Gyapong, M.Shawcross, N.M.Clarke, N.Curtis, M.Freer, B.R.Fulton, S.J.Hall, R.A.Le Marechal, M.J.Leddy, J.S.Pople, G.Tungate, R.P.Ward, W.D.M.Rae, P.M.Simmons, S.P.G.Chappell, S.P.Fox, C.D.Jones, P.Lee, D.L.Watson

Mechanism of the 12C(24Mg, 12C12C)12C Breakup Reaction: Direct vs compound

NUCLEAR REACTIONS 24Mg(12C, 212C), E=85 MeV; measured particle spectra, angular distributions, coincidences, symmetric breakup yield; deduced forward-backward asymmetry, reaction mechanism features. Coupled channels DWBA calculations, comparison with reversed kinematics.

doi: 10.1103/PhysRevC.62.054609
Citations: PlumX Metrics


1999FR04      Phys.Rev.Lett. 82, 1383 (1999)

M.Freer, J.C.Angelique, L.Axelsson, B.Benoit, U.Bergmann, W.N.Catford, S.P.G.Chappell, N.M.Clarke, N.Curtis, A.D'Arrigo, E.de Goes Brennand, O.Dorvaux, B.R.Fulton, G.Giardina, C.Gregori, S.Grevy, F.Hanappe, G.Kelly, M.Labiche, C.Le Brun, S.Leenhardt, M.Lewitowicz, K.Markenroth, F.M.Marques, M.Motta, J.T.Murgatroyd, T.Nilsson, A.Ninane, N.A.Orr, I.Piqueras, M.G.Saint Laurent, S.M.Singer, O.Sorlin, L.Stuttge, D.L.Watson

Exotic Molecular States in 12Be

NUCLEAR REACTIONS 1H, 12C(12Be, 26He), (12Be, α8He), E=378 MeV; measured Q-value spectra; deduced projectile breakup mechanism features. 12Be deduced deformed exotic cluster structure.

doi: 10.1103/PhysRevLett.82.1383
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1998CH48      Phys.Lett. 444B, 260 (1998)

S.P.G.Chappell, W.D.M.Rae, C.A.Bremner, G.K.Dillon, D.L.Watson, B.Greenhalgh, R.L.Cowin, M.Freer, S.M.Singer

High Spin Resonances in 12C + 12C Scattering

NUCLEAR REACTIONS 12C(12C, 12C'), E(cm)=31-45 MeV; measured excitation function, particle angular correlations following breakup. 24Mg deduced high-spin resonances. α-cluster model calculations.

doi: 10.1016/S0370-2693(98)01415-4
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1998HO03      J.Phys.(London) G24, 167 (1998)

S.J.Hoad, N.M.Clarke, N.Curtis, M.Freer, B.R.Fulton, S.J.Hall, M.J.Leddy, A.St.J.Murphy, J.S.Pople, G.Tungate, R.P.Ward, S.P.G.Chappell, S.P.Fox, C.D.Jones, D.L.Watson, W.D.M.Rae, P.M.Simmons, W.N.Catford, G.J.Gyapong, S.M.Singer

Can Break-Up Reactions be Used to Probe High-Lying Inelastic Channels in 12C + 12C Scattering ( Question )

NUCLEAR REACTIONS C(24Mg, 212C), E=170 MeV; measured (12C)(12C(0+2))-coin, total energy.

doi: 10.1088/0954-3899/24/1/020
Citations: PlumX Metrics


1997GY02      Nucl.Phys. A620, 55 (1997)

G.J.Gyapong, N.Curtis, W.N.Catford, S.M.Singer, W.D.M.Rae, M.Freer, S.J.Hall, G.R.Kelly, R.A.Le Marechal, R.P.Ward, S.P.G.Chappell, S.P.Fox, C.D.Jones, P.R.Lee, D.L.Watson

Two-Dimensional Alpha Cluster Structures in 28Si

NUCLEAR REACTIONS 12C(16O, 212C), E(cm)=28.3-36.8 MeV; measured (12C)(12C)-coin; deduced σ(E). 28Si deduced resonance angular momenta, cluster state characteristics.

doi: 10.1016/S0375-9474(97)00152-8
Citations: PlumX Metrics


1996CU02      Phys.Rev. C53, 1804 (1996)

N.Curtis, A.St.J.Murphy, N.M.Clarke, M.Freer, B.R.Fulton, S.J.Hall, M.J.Leddy, J.S.Pople, G.Tungate, R.P.Ward, W.N.Catford, G.J.Gyapong, S.M.Singer, S.P.G.Chappell, S.P.Fox, C.D.Jones, D.L.Watson, W.D.M.Rae, P.M.Simmons, P.H.Regan

Evidence for a Highly Deformed Band in 16O + 16O Breakup of 32S

NUCLEAR REACTIONS 12C(24Mg, 216O), E=170 MeV; measured (16O)(16O)(θ). 32S deduced levels, possible J, π, rotational parameter, band structure. Compared to DWBA.

doi: 10.1103/PhysRevC.53.1804
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1996MU03      Phys.Rev. C53, 1963 (1996)

A.St.J.Murphy, R.A.Le Marechal, S.J.Bennett, N.M.Clarke, N.Curtis, M.Freer, B.R.Fulton, S.J.Hall, M.J.Leddy, J.T.Murgatroyd, J.S.Pople, G.Tungate, R.P.Ward, W.D.M.Rae, P.M.Simmons, W.N.Catford, G.J.Gyapong, S.M.Singer, S.P.G.Chappell, S.P.Fox, C.D.Jones, P.Lee, D.L.Watson

Search for 16O + 16O + 16O Structure in 48Cr

NUCLEAR REACTIONS 12C, 24Mg(24Mg, 216O), E=150, 170 MeV; measured Eγ, Iγ, σ(θ1, θ2).

doi: 10.1103/PhysRevC.53.1963
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1995CH07      Phys.Rev. C51, 695 (1995)

S.P.G.Chappell, D.L.Watson, S.P.Fox, C.D.Jones, W.D.M.Rae, P.M.Simmons, M.Freer, B.R.Fulton, N.M.Clarke, N.Curtis, M.J.Leddy, J.S.Pople, S.J.Hall, R.P.Ward, G.Tungate, W.N.Catford, G.J.Gyapong, S.M.Singer, P.H.Regan

12C + 12C ' 6α-Chain State ' Resonance

NUCLEAR REACTIONS 12C(12C, 12C'), E(cm)=25-40 MeV; measured spectra, σ(θ). 24Mg deduced resonance features.

doi: 10.1103/PhysRevC.51.695
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1995CU01      Phys.Rev. C51, 1554 (1995)

N.Curtis, N.M.Clarke, B.R.Fulton, S.J.Hall, M.J.Leddy, A.St.J.Murphy, J.S.Pople, R.P.Ward, W.N.Catford, G.J.Gyapong, S.M.Singer, S.P.G.Chappell, S.P.Fox, C.D.Jones, D.L.Watson, W.D.M.Rae, P.M.Simmons, and the Charissa Collaboration

Association of the 12C + 12C Breakup States in 24Mg with the Quasimolecular Resonances

NUCLEAR REACTIONS 12C(24Mg, 212C), E=170 MeV; measured (12C)(12C)-coin spectra. 24Mg deduced resonances, J, π, Γ upper limit.

doi: 10.1103/PhysRevC.51.1554
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1995FR05      Phys.Rev. C51, 1682 (1995)

M.Freer, N.M.Clarke, N.Curtis, B.R.Fulton, S.J.Hall, M.J.Leddy, J.S.Pople, G.Tungate, R.P.Ward, P.M.Simmons, W.D.M.Rae, S.P.G.Chappell, S.P.Fox, C.D.Jones, D.L.Watson, G.J.Gyapong, S.M.Singer, W.N.Catford, P.H.Regan

8Be and α Decay of 16O

NUCLEAR REACTIONS 12C(16O, 4α), E=99 MeV; measured Q-value spectra, 16O excitation spectra leading to breakup, (12C)(α)(θ). 16O deduced resonances, decay channels, partial Γ, J.

doi: 10.1103/PhysRevC.51.1682
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1995SI13      Phys.Rev. C51, 3500 (1995)

P.M.Simmons, W.D.M.Rae, S.P.G.Chappell, S.P.Fox, C.D.Jones, D.L.Watson, M.Freer, B.R.Fulton, N.M.Clarke, N.Curtis, M.J.Leddy, J.S.Pople, S.J.Hall, R.P.Ward, G.Tungate, W.N.Catford, G.J.Gyapong, S.M.Singer, P.H.Regan

Search for a 7-α Chain State

NUCLEAR REACTIONS 12C(16O, X), E(cm)=37.7-51.4 MeV; measured σ(E) for (12C)(12C)(α), (12C)(8Be)(8Be) production. 28Si deduced no 7α-chain state.

doi: 10.1103/PhysRevC.51.3500
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1994CU05      Nucl.Instrum.Methods Phys.Res. A351, 359 (1994)

N.Curtis, A.St.J.Murphy, M.J.Leddy, J.S.Pople, N.M.Clarke, M.Freer, B.R.Fulton, S.J.Hall, G.Tungate, R.P.Ward, S.M.Singer, W.N.Catford, G.J.Gyapong, R.A.Cunningham, J.S.Lilley, S.P.Chappell, S.P.Fox, C.D.Jones, D.L.Watson, P.M.Simmons, R.A.Hunt, A.C.Merchant, A.E.Smith, W.D.M.Rae, J.Zhang, and the Charissa Collaboration

The Construction and Operation of a Hybrid Gas-Silicon Detector for Studies of Cluster Breakup Reactions

NUCLEAR REACTIONS 12C(24Mg, 212C), E=170 MeV; measured (12C)(12C)-coin spectra following projectile breakup. 197Au(12C, 12C), E=84 MeV; 197Au(24Mg, 24Mg), E=170 MeV; measured spectra. Hybrid gas-silicon detector.

doi: 10.1016/0168-9002(94)91364-1
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