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NSR database version of March 21, 2024.

Search: Author = A.L.Hallin

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2016AM03      Astropart.Phys. 85, 1 (2016)

P.-A.Amaudruz, M.Batygov, B.Beltran, J.Bonatt, K.Boudjemline, M.G.Boulay, B.Broerman, J.F.Bueno, A.Butcher, B.Cai, T.Caldwell, M.Chen, R.Chouinard, B.T.Cleveland, D.Cranshaw, K.Dering, F.Duncan, N.Fatemighomi, R.Ford, R.Gagnon, P.Giampa, F.Giuliani, M.Gold, V.V.Golovko, P.Gorel, E.Grace, K.Graham, D.R.Grant, R.Hakobyan, A.L.Hallin, M.Hamstra, P.Harvey, C.Hearns, J.Hofgartner, C.J.Jillings, M.Kuzniak, I.Lawson, F.La Zia, O.Li, J.J.Lidgard, P.Liimatainen, W.H.Lippincott, R.Mathew, A.B.McDonald, T.McElroy, K.McFarlane, D.N.McKinsey, R.Mihdiyev, J.Monroe, A.Muir, C.Nantais, K.Nicolics, J.Nikkel, A.J.Noble, E.O'Dwyer, K.Olsen, C.Ouellet, P.Pasuthip, S.J.M.Peeters, T.Pollmann, W.Rau, F.Retiere, M.Ronquest, N.Seeburn, P.Skensved, B.Smith T.Sonley, J.Tang, E.Vazquez-Jauregui, L.Veloce, J.Walding, M.Ward, K.Olsen, C.Ouellet, P.Pasuthip, S.J.M.Peeters, T.Pollmann, W.Rau, F.Retiere, M.Ronquest, N.Seeburn, P.Skensved, B.Smith, T.Sonley, J.Tang, E.Vazquez-Jauregui, L.Veloce, J.Walding, M.Ward

Measurement of the scintillation time spectra and pulse-shape discrimination of low-energy β and nuclear recoils in liquid argon with DEAP-1

NUCLEAR REACTIONS Ar(n, n), E<100 keV; measured nuclear recoils, Eβ, Iβ; deduced pulse-shape discrimination of recoils. Implications for dark matter sensitivities.

doi: 10.1016/j.astropartphys.2016.09.002
Citations: PlumX Metrics


2000HA23      Nucl.Phys. A663-664, 787c (2000)

A.L.Hallin, for the SNO Collaboration

The Sudbury Neutrino Observatory

doi: 10.1016/S0375-9474(99)00744-7
Citations: PlumX Metrics


1999AH07      Phys.Rev. C60, 064601 (1999)

I.Ahmad, S.M.Austin, B.B.Back, R.R.Betts, F.P.Calaprice, K.C.Chan, A.Chishti, C.M.Conner, R.W.Dunford, J.D.Fox, S.J.Freedman, M.Freer, S.B.Gazes, A.L.Hallin, Th.Happ, D.Henderson, N.I.Kaloskamis, E.Kashy, W.Kutschera, J.Last, C.J.Lister, M.Liu, M.R.Maier, D.M.Mercer, D.Mikolas, P.A.A.Perera, M.D.Rhein, D.E.Roa, J.P.Schiffer, T.A.Trainor, P.Wilt, J.S.Winfield, M.Wolanski, F.L.H.Wolfs, A.H.Wuosmaa, A.R.Young, J.E.Yurkon

Positron-Electron Pairs Produced in Heavy-Ion Collisions

NUCLEAR REACTIONS 232Th(238U, X), E=5.95 MeV/nucleon; 181Ta(238U, X), E=5.95, 6.1, 6.3 MeV/nucleon; measured positron, electron spectra, multiplicities, e-e+-coin, angular correlation; deduced no sharp structure in sum-energy spectra. APEX spectrometer.

doi: 10.1103/PhysRevC.60.064601
Citations: PlumX Metrics


1997AH01      Phys.Rev.Lett. 78, 618 (1997)

I.Ahmad, S.M.Austin, B.B.Back, R.R.Betts, F.P.Calaprice, K.C.Chan, A.Chishti, C.Conner, R.W.Dunford, J.D.Fox, S.J.Freedman, M.Freer, S.B.Gazes, A.L.Hallin, T.Happ, D.Henderson, N.I.Kaloskamis, E.Kashy, W.Kutschera, J.Last, C.J.Lister, M.Liu, M.R.Maier, D.J.Mercer, D.Mikolas, P.A.A.Perera, M.D.Rhein, D.E.Roa, J.P.Schiffer, T.A.Trainor, P.Wilt, J.S.Winfield, M.R.Wolanski, F.L.H.Wolfs, A.H.Wuosmaa, G.Xu, A.Young, J.E.Yurkon, and the APEX Collaboration

Search for Monoenergetic Positron Emission from Heavy-Ion Collisions at Coulomb-Barrier Energies

NUCLEAR REACTIONS 181Ta(238U, X), E=5.95-6.3 MeV/nucleon; 232Th(238U, X), E=5.95 MeV/nucleon; measured positron energy spectra; deduced no structure.

doi: 10.1103/PhysRevLett.78.618
Citations: PlumX Metrics


1997AH04      Phys.Rev. C55, R2755 (1997)

I.Ahmad, S.M.Austin, B.B.Back, R.R.Betts, F.P.Calaprice, K.C.Chan, A.A.Chishti, C.Conner, R.W.Dunford, J.D.Fox, S.J.Freedman, M.Freer, J.S.Greenberg, S.B.Gazes, A.L.Hallin, T.Happ, D.Henderson, N.I.Kaloskamis, E.Kashy, W.Kutschera, J.Last, C.J.Lister, M.Liu, M.R.Maier, D.J.Mercer, D.Mikolas, P.A.A.Perera, M.D.Rhein, D.E.Roa, J.P.Schiffer, T.A.Trainor, P.Wilt, J.S.Winfield, M.Wolanski, F.L.H.Wolfs, A.H.Wuosmaa, G.Xu, A.Young, J.E.Yurkon, and the APEX Collaboration

Internal Pair Conversion in Heavy Nuclei

NUCLEAR REACTIONS 206Pb(206Pb, X), E=5.90 MeV/nucleon; measured e+e--sum energy spectra, Doppler corrected Eγ; deduced internal pair conversion to gamma branching ratio. 232Th(208Pb, X), E=5.80 MeV/nucleon; 238U(208Pb, X), E=5.80 MeV/nucleon; 181Ta(238U, X), E=5.95 MeV/nucleon; 232Th(238U, X), E=5.90 MeV/nucleon; measured e+e--sum energy, Doppler corrected Eγ; deduced no discrete lines evidence in e+e- spectra. 238U deduced new levels evidence.

doi: 10.1103/PhysRevC.55.R2755
Citations: PlumX Metrics


1997AH05      Z.Phys. A358, 235 (1997)

I.Ahmad, S.M.Austin, B.B.Back, R.R.Betts, F.P.Calaprice, K.C.Chan, A.Chishti, P.Chowdhury, C.Conner, R.W.Dunford, J.D.Fox, S.J.Freedman, M.Freer, S.B.Gazes, A.L.Hallin, T.Happ, D.Henderson, N.I.Kaloskamis, E.Kashy, W.Kutschera, J.Last, C.J.Lister, M.Liu, M.R.Maier, D.J.Mercer, D.Mikolas, P.A.A.Perera, M.D.Rhein, D.E.Roa, J.P.Schiffer, T.A.Trainor, P.Wilt, J.S.Winfield, M.Wolanski, F.L.H.Wolfs, A.H.Wuosmaa, A.Young, J.E.Yurkon, and the APEX Collaboration

The Positron-Electron Peak Puzzle: Results from APEX

NUCLEAR REACTIONS 232Th(238U, X), E=5.78-5.95 MeV/nucleon; 181Ta(238U, X), E=5.79-6.3 MeV/nucleon; measured total (e+)(heavy-ion)-, (e+e-)(heavy-ion)-coin events number; deduced very low light neutral particle production upper limits.

doi: 10.1007/s002180050316
Citations: PlumX Metrics


1996AH05      Acta Phys.Pol. B27, 387 (1996)

I.Ahmad, S.M.Austin, B.B.Back, R.R.Betts, F.P.Calaprice, K.C.Chan, A.Chishti, P.Chowdhury, C.Conner, R.W.Dunford, J.D.Fox, S.J.Freedman, M.Freer, S.Gazes, A.L.Hallin, T.Happ, N.Kaloskamis, E.Kashy, W.Kutschera, J.Last, C.J.Lister, M.Liu, M.R.Maier, D.J.Mercer, D.Mikolas, A.Perera, M.D.Rhein, D.E.Roa, J.P.Schiffer, T.Trainor, P.Wilt, J.S.Winfield, M.Wolanski, F.L.H.Wolfs, A.H.Wuosmaa, A.Young, J.E.Yurkon, and the APEX Collaboration

The Positron Peak Puzzle - Recent Results from APEX

NUCLEAR REACTIONS 232Th(238U, X), E=5.95 MeV/nucleon; 181Ta(238U, X), E=5.96-6.3 MeV/nucleon; 206Pb(206Pb, X), E not given; analyzed e+e--sum energy spectra. 232Th, 238U(208Pb, X), E=5.8 MeV/nucleon; 232Th, 181Ta(238U, X), E=5.95 MeV/nucleon; 206Pb(206Pb, X), E=5.9 MeV/nucleon; analyzed Doppler reconstructed γ spectra; deduced limits on 1.78 MeV 238U transition possible contribution to (heavy ion)γ-coin.


1996AH07      Nucl.Instrum.Methods Phys.Res. A370, 539 (1996)

I.Ahmad, S.M.Austin, B.B.Back, R.R.Betts, F.P.Calaprice, K.C.Chan, A.Chishti, P.Chowdhury, C.Conner, R.W.Dunford, J.D.Fox, S.J.Freedman, M.Freer, S.B.Gazes, J.S.Greenberg, J.P.Greene, A.L.Hallin, Th.Happ, D.Henderson, N.I.Kaloskamis, E.Kashy, W.Kutschera, J.Last, C.J.Lister, M.Liu, M.R.Maier, D.M.Mercer, D.Mikolas, P.A.A.Perera, M.D.Rhein, D.E.Roa, J.P.Schiffer, T.A.Trainor, P.Wilt, J.S.Winfield, M.Wolanski, F.L.H.Wolfs, A.H.Wuosmaa, G.Xu, A.R.Young, J.E.Yurkon

A Solenoidal Spectrometer for Positron-Electron Pairs Produced in Heavy-Ion Collisions

RADIOACTIVITY 85Sr(EC); 113Sn(EC); 203Hg(β-); measured electron spectra; deduced apparatus response, efficiency. New solenoidal spectrometer.

NUCLEAR REACTIONS 181Ta(238U, X), E=6.1 MeV/nucleon; measured γ-, positron energy spectra. New solenoidal spectrometer.

doi: 10.1016/0168-9002(95)00829-2
Citations: PlumX Metrics


1995AH01      Nucl.Phys. A583, 247c (1995)

I.Ahmad, S.M.Austin, B.B.Back, D.Bazin, R.R.Betts, F.P.Calaprice, K.C.Chan, A.Chishti, P.Chowdhury, R.W.Dunford, J.D.Fox, S.J.Freedman, M.Freer, S.B.Gazes, J.S.Greenberg, A.L.Hallin, T.Happ, J.Last, N.Kaloskamis, E.Kashy, W.Kutschera, C.J.Lister, M.Liu, M.R.Maier, D.Mercer, A.Perera, M.D.Rhein, D.E.Roa, J.P.Schiffer, T.Trainor, P.Wilt, J.S.Winfield, M.Wolanski, F.L.H.Wolfs, A.H.Wuosmaa, G.Xu, A.Young, J.E.Yurkon

Positron Production in Heavy Ion Collisions: Current status of the problem

NUCLEAR REACTIONS 181Ta(238U, X), E=5.9-6.3 MeV/nucleon; compiled, analyzed, reviewed electron, positron production data.

doi: 10.1016/0375-9474(94)00667-C
Citations: PlumX Metrics


1995AH06      Phys.Rev.Lett. 75, 2658 (1995)

I.Ahmad, S.M.Austin, B.B.Back, R.R.Betts, F.P.Calaprice, K.C.Chan, A.Chishti, P.Chowdhury, C.Conner, R.W.Dunford, J.D.Fox, S.J.Freedman, M.Freer, S.B.Gazes, A.L.Hallin, T.Happ, D.Henderson, N.I.Kaloskamis, E.Kashy, W.Kutschera, J.Last, C.J.Lister, M.Liu, M.R.Maier, D.J.Mercer, D.Mikolas, P.A.A.Perera, M.D.Rhein, D.E.Roa, J.P.Schiffer, T.A.Trainor, P.Wilt, J.S.Winfield, M.Wolanski, F.L.H.Wolfs, A.H.Wuosmaa, G.Xu, A.Young, J.E.Yurkon, and the APEX Collaboration

Search for Narrow Sum-Energy Lines in Electron-Positron Pair Emission from Heavy-Ion Collisions Near the Coulomb Barrier

NUCLEAR REACTIONS 181Ta(238U, X), E=5.95-6.3 MeV/nucleon; 232Th(238U, X), E=5.95 MeV/nucleon; measured pair emission sum spectra; deduced no sharp lines evidence, neutral particle isolated decay related features.

doi: 10.1103/PhysRevLett.75.2658
Citations: PlumX Metrics


1994ME24      Nucl.Instrum.Methods Phys.Res. A350, 491 (1994)

D.J.Mercer, D.Mikolas, J.Yurkon, S.M.Austin, D.Bazin, S.Gaff, E.Kashy, D.Kataria, J.S.Winfield, R.R.Betts, D.J.Henderson, A.L.Hallin, M.Liu, F.L.H.Wolfs

A Large Solid-Angle Array for Heavy Ions from APEX

NUCLEAR REACTIONS 58Ni(58Ni, 58Ni), E=200 MeV; measured σ(θ). 181Ta(238U, X), E=1.45 GeV; measured fragment tof, mass spectra. Large solid-angle array of low pressure multi-wire proportional counters. Other reactions studied.

doi: 10.1016/0168-9002(94)91249-1
Citations: PlumX Metrics


1993SA32      Phys.Rev. C48, 3069 (1993)

E.R.J.Saettler, F.P.Calaprice, A.L.Hallin, M.M.Lowry

Beta Asymmetry of the First Forbidden (1/2)+ → (1/2)- Transition in 19Ne and Its Relationship to the Parity Nonconserving Nucleon-Nucleon Interaction

RADIOACTIVITY 19Ne(β+) [from 19F(p, n), E=12 MeV]; measured (βγ)-coin, β-asymmetry, oriented nuclei, branching ratio. 19Ne levels deduced (Γ/Γ(W)). 19F level deduced isovector parity mixing matrix element. Polarized source.

doi: 10.1103/PhysRevC.48.3069
Citations: PlumX Metrics


1989RO14      Nuovo Cim. 102A, 145 (1989)

B.L.Roberts, E.C.Booth, K.P.Gall, E.K.McIntyre, J.P.Miller, D.A.Whitehouse, J.Lowe, N.P.Hessey, M.D.Hasinoff, D.F.Measday, A.J.Noble, C.E.Waltham, M.Sakitt, W.J.Fickinger, D.K.Robinson, D.Horvath, B.Bassalleck, J.R.Hall, K.D.Larson, D.M.Wolfe, A.L.Hallin, M.Salomon

Radiative Hyperon Processes

NUCLEAR REACTIONS 2H(K-, γ), E not given; analyzed γ-spectra. 1H(π-, γ), (K-, γ), E at rest; measured photon spectra.

doi: 10.1007/BF02735103
Citations: PlumX Metrics


1984HA01      Phys.Rev.Lett. 52, 337 (1984); Erratum Phys.Rev.Lett 52, 1054 (1984)

A.L.Hallin, F.P.Calaprice, D.W.MacArthur, L.E.Piilonen, M.B.Schneider, D.F.Schreiber

Test of Time-Reversal Symmetry in the β Decay of 19Ne

RADIOACTIVITY 19Ne(β+), (EC); measured β+(recoil ion)-coin; deduced asymmetry parameter, time reversal symmetry validity. Atomic beam polarized source.

doi: 10.1103/PhysRevLett.52.337
Citations: PlumX Metrics


1983SC32      Phys.Rev.Lett. 51, 1239 (1983); Erratrum Phys.Rev.Lett. 52, 695 (1984)

M.B.Schneider, F.P.Calaprice, A.L.Hallin, D.W.MacArthur, D.F.Schreiber

Limit on Im(C(S)C(A)*) from a Test of T Invariance in 19Ne Beta Decay

RADIOACTIVITY 19Ne(β+), (EC) [from 19F(p, n), E=12 MeV]; measured β polarization, asymmetry, time reversal odd angular correlation magnitude R; deduced time reversal invariance, scalar, axial vector coupling imaginary interference limit. Polarized source.

doi: 10.1103/PhysRevLett.51.1239
Citations: PlumX Metrics


1982MA39      Phys.Rev. C26, 1753 (1982)

D.W.MacArthur, F.P.Calaprice, A.L.Hallin, M.B.Schneider, D.F.Schreiber

Nuclear Magnetic Moment of 19Ne with Possible Applications to Other Radioactive Gas Isotopes

RADIOACTIVITY 19Ne [from 19F(p, n), E=12 MeV]; measured NMR; deduced μ. Polarized source.

doi: 10.1103/PhysRevC.26.1753
Citations: PlumX Metrics


1981BE56      Phys.Lett. 107B, 19 (1981)

C.L.Bennett, A.L.Hallin, R.A.Naumann, P.T.Springer, M.S.Witherell, R.E.Chrien, P.A.Baisden, D.H.Sisson

The X-ray Spectrum following 163Ho M Electron Capture

RADIOACTIVITY 163Ho [from 162Er(n, γ)163Er(β-decay)]; measured E(X-ray), I(X-ray); deduced Q(EC) lower limit.

doi: 10.1016/0370-2693(81)91137-0
Citations: PlumX Metrics


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