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NSR database version of April 27, 2024.

Search: Author = G.J.Hofman

Found 13 matches.

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2006DE08      Phys.Lett. B 633, 209 (2006)

H.Denz, P.Amaudruz, J.T.Brack, J.Breitschopf, P.Camerini, J.L.Clark, H.Clement, L.Felawka, E.Fragiacomo, E.F.Gibson, N.Grion, G.J.Hofman, B.Jamieson, E.L.Mathie, R.Meier, G.Moloney, D.Ottewell, O.Patarakin, J.D.Patterson M.M.Pavan, S.Piano, K.Raywood, R.a.Ristinen, R.Rui, M.E.Sevior, G.R.Smith, J.Stahov, R.Tacik, G.J.Wagner, F.von Wrochem, D.M.Yeomans

π±p differential cross sections at low energies

NUCLEAR REACTIONS 1H(π+, π+), (π-, π-), E=19.9-43.3 MeV; measured σ(E, θ); deduced isospin scattering amplitude. CHAOS spectrometer.

doi: 10.1016/j.physletb.2005.12.017
Citations: PlumX Metrics

2005FR28      Phys.Rev. C 72, 034609 (2005)

E.Friedman, M.Bauer, J.Breitschopf, H.Clement, H.Denz, E.Doroshkevich, A.Erhardt, G.J.Hofman, S.Kritchman, R.Meier, G.J.Wagner, G.Yaari

Elastic scattering of low energy pions by nuclei and the in-medium isovector πN amplitude

NUCLEAR REACTIONS Si, Ca, Ni, Zr(π+, π+), (π-, π-), E=21.5 MeV; measured σ(θ); deduced optical potential parameters, in-medium isovector amplitude, related features.

doi: 10.1103/PhysRevC.72.034609
Citations: PlumX Metrics

2004FR28      Phys.Rev.Lett. 93, 122302 (2004)

E.Friedman, M.Bauer, J.Breitschopf, H.Clement, H.Denz, E.Doroshkevich, A.Erhardt, G.J.Hofman, R.Meier, G.J.Wagner, G.Yaari

In-Medium Isovector πN Amplitude from Low-Energy Pion Scattering

NUCLEAR REACTIONS Si, Ca, Ni, Zr(π+, π+), (π-, π-), E=21.5 MeV; measured σ(θ); deduced in-medium amplitudes.

doi: 10.1103/PhysRevLett.93.122302
Citations: PlumX Metrics

2004ME07      Phys.Lett. B 588, 155 (2004)

R.Meier, M.Croni, R.Bilger, B.van den Brandt, J.Breitschopf, H.Clement, J.R.Comfort, H.Denz, A.Erhardt, K.Fohl, E.Friedman, J.Grater, P.Hautle, G.J.Hofman, J.A.Konter, S.Mango, J.Patzold, M.M.Pavan, G.J.Wagner, F.von Wrochem

Low energy analyzing powers in pion-proton elastic scattering

NUCLEAR REACTIONS 1H(π+, π+), E=45.2, 51.2, 57.2, 68.5, 77.2, 87.2 MeV; 1H(π-, π-), E=67.3, 87.2 MeV; measured Ay(θ). Polarized target. Comparison with model predictions.

doi: 10.1016/j.physletb.2004.02.071
Citations: PlumX Metrics

2003HO12      Phys.Rev. C 68, 018202 (2003)

G.J.Hofman, J.Breitschopf, K.Craig, H.Denz, E.F.Gibson, E.L.Mathie, R.Meier, M.M.Pavan, C.M.Riedel, R.Tacik, G.J.Wagner

Analyzing powers for π-p elastic scattering at 279 MeV

NUCLEAR REACTIONS 1H(π-, π-), E=279 MeV; measured Ay(θ). Polarized target, comparison with model predictions.

doi: 10.1103/PhysRevC.68.018202
Citations: PlumX Metrics

2002CL04      Phys.Rev. C 66, 054606 (2002)

J.L.Clark, M.E.Sevior, H.Clement, J.Grater, R.Meier, G.J.Wagner, P.-A.Amaudruz, L.Felawka, G.J.Hofman, D.Ottewell, G.R.Smith, A.Ambardar, M.Kermani, G.Tagliente, P.Camerini, E.Fragiacomo, N.Grion, R.Rui, E.L.Mathie, R.Tacik, D.M.Yeomans, E.F.Gibson, J.T.Brack, M.Schepkin

Semiexclusive pionic double charge exchange on 4He

NUCLEAR REACTIONS 4He(π+, π-2p), E=105, 115 MeV; measured invariant mass spectra; deduced sequential single charge exchange, no dibaryon resonance.

doi: 10.1103/PhysRevC.66.054606
Citations: PlumX Metrics

2002PA41      Phys.Rev. C66, 025207 (2002)

J.D.Patterson, G.J.Hofman, J.T.Brack, P.Camerini, J.Clark, P.P.J.Delheij, L.Felawka, E.Fragiacomo, E.F.Gibson, N.Grion, B.Jamieson, E.L.Mathie, R.Meier, D.Ottewell, R.J.Peterson, K.Raywood, R.A.Ristinen, R.Rui, M.E.Sevior, G.R.Smith, R.Tacik, G.Tagliente, G.J.Wagner, D.M.Yeomans

Analyzing powers for πp elastic scattering between 57 and 139 MeV

NUCLEAR REACTIONS 1H(π-, π-), E=57-139 MeV; 1H(π+, π+), E=139 MeV; measured Ay(θ). Polarized target, comparison with previous results and model predictions.

doi: 10.1103/PhysRevC.66.025207
Citations: PlumX Metrics

2001CA53      Phys.Rev. C64, 067601 (2001)

P.Camerini, E.Fragiacomo, N.Grion, R.Rui, J.T.Brack, E.F.Gibson, G.J.Hofman, E.L.Mathie, R.Meier, K.Raywood, M.E.Sevior, G.R.Smith, R.Tacik

π→ππ Results in Nuclei

NUCLEAR REACTIONS 1,2H, C, 27Al, Cu(π-, 2π0), E at 408 MeV/c; 2H, 12C, 40Ca, 208Pb(π+, π+π-), (π+, 2π+), E at 399 MeV/c; analyzed invariant mass distributions. Similarities between different data sets discussed.

doi: 10.1103/PhysRevC.64.067601
Citations: PlumX Metrics

1999GR01      Eur.Phys.J. A 4, 5 (1999)

J.Grater, P.A.Amaudruz, R.Bilger, P.Camerini, J.Clark, H.Clement, E.Friedman, L.Felawka, S.N.Filippov, E.Friagiacomo, Yu.K.Gavrilov, E.Gibson, N.Grion, G.J.Hofman, B.Jamieson, T.L.Karavicheva, M.Kermani, E.L.Mathie, R.Meier, G.Moloney, D.Ottewell, J.Patzold, O.Patarakin, K.Raywood, R.Rui, M.Schepkin, M.E.Sevior, G.R.Smith, H.Staudenmaier, R.Tacik, G.Tagliente, G.J.Wagner, M.Yeomans

Search for a Bound Trineutron with the 3He(π-π+)nnn Reaction

NUCLEAR REACTIONS 3He(π-, π+), E=65, 75, 120 MeV; measured three-neutron system invariant mass spectra; deduced no trineutron bound state or unbound resonance.

doi: 10.1007/s100500050196
Citations: PlumX Metrics

1998HO21      Phys.Rev. C58, 3484 (1998)

G.J.Hofman, G.R.Smith, T.Ambardar, F.Bonutti, J.T.Brack, P.Camerini, J.Clark, P.P.J.Delheij, F.Farzanpay, L.Felawka, E.Fragiacomo, E.F.Gibson, J.Graeter, N.Grion, M.Kermani, E.L.Mathie, R.Meier, D.Ottewell, R.J.Peterson, R.A.Ristinen, R.Rui, M.E.Sevior, H.Staudenmaier, R.Tacik, G.J.Wagner

Analyzing Powers for π±p(pol) Elastic Scattering between 87 and 263 MeV

NUCLEAR REACTIONS 1H(π+, π+), (π-, π-), E=87-267 MeV; measured Ay(θ); deduced phase shift analysis parameters. Polarized target.

doi: 10.1103/PhysRevC.58.3484
Citations: PlumX Metrics

1998KE06      Phys.Rev. C58, 3419 (1998)

M.Kermani, P.A.Amaudruz, F.Bonutti, J.T.Brack, P.Camerini, L.Felawka, E.Fragiacomo, E.F.Gibson, N.Grion, G.J.Hofman, R.R.Johnson, E.L.Mathie, S.McFarland, R.Meier, D.Ottewell, K.J.Raywood, R.Rui, M.E.Sevior, G.R.Smith, R.Tacik, and the CHAOS Collaboration

Exclusive Measurements of π±p → π+π±n Near Threshold

NUCLEAR REACTIONS 1H(π-, π-π+), (π+, 2π+), E=223, 243, 264, 284, 305 MeV; measured σ(θ(1)-θ(2)), σ(m2), σ(t), total σ; deduced model parameters.

doi: 10.1103/PhysRevC.58.3419
Citations: PlumX Metrics

1998KE07      Phys.Rev. C58, 3431 (1998)

M.Kermani, O.Patarakin, G.R.Smith, P.A.Amaudruz, F.Bonutti, J.T.Brack, P.Camerini, L.Felawka, E.Fragiacomo, E.F.Gibson, N.Grion, G.J.Hofman, E.L.Mathie, S.McFarland, R.Meier, D.Ottewell, K.J.Raywood, R.Rui, M.E.Sevior, R.Tacik, V.Mayorov, V.Tikhonov, and the CHAOS Collaboration

ππ → ππ Cross Sections Near Threshold

NUCLEAR REACTIONS 1H(π-, π-π+), (π+, 2π+), E=223, 243, 264, 284 MeV; analyzed data; deduced pion-pion cross sections, scattering length.

doi: 10.1103/PhysRevC.58.3431
Citations: PlumX Metrics

1996BO09      Phys.Rev.Lett. 77, 603 (1996)

F.Bonutti, P.Camerini, E.Fragiacomo, N.Grion, R.Rui, P.A.Amaudruz, J.T.Brack, L.Felawka, E.F.Gibson, G.J.Hofman, M.Kermani, E.L.Mathie, S.McFarland, R.Meier, D.Ottewell, K.Raywood, M.E.Sevior, G.R.Smith, R.Tacik, and the CHAOS Collaboration

A Dependence of the (π+, π+π±) Reaction Near the 2m(π) Threshold

NUCLEAR REACTIONS 2H, 12C, 40Ca, 208Pb(π+, 2π+), (π+, π+π-), E=282.7 MeV; measured double-pion invariant mass distribution; deduced ππ-interaction matter modification.

doi: 10.1103/PhysRevLett.77.603
Citations: PlumX Metrics

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