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NSR database version of April 11, 2024.

Search: Author = L.Felawka

Found 27 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


2004CA08      Nucl.Phys. A735, 89 (2004)

P.Camerini, E.Fragiacomo, N.Grion, S.Piano, R.Rui, J.Clark, L.Felawka, E.F.Gibson, G.Hofman, E.L.Mathie, R.Meier, G.Moloney, D.Ottewell, K.Raywood, M.E.Sevior, G.R.Smith, R.Tacik, and the CHAOS Collaboration

General properties of the pion production reaction in nuclear matter

NUCLEAR REACTIONS 45Sc(π+, π+π-), (π+, π+π-p), (π+, 2π+), (π+, 2π+p), E=240-320 MeV; measured σ(E, θ), invariant mass, total σ; deduced reaction mechanism features. Comparison with previous results and model predictions.

doi: 10.1016/j.nuclphysa.2004.01.122
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


2000BO38      Nucl.Phys. A677, 213 (2000)

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

The ππ Interaction in Nuclear Matter from a Study of the π+A → π+π± A' Reactions

NUCLEAR REACTIONS 2H, 12C, 40Ca, 208Pb(π+, π+π-), (π+, 2π+), E=283 MeV; measured two-pion invariant mass spectra, σ(θ); deduced medium modification effects.

doi: 10.1016/S0375-9474(00)00286-4
Citations: PlumX Metrics


1999BO25      Phys.Rev. C60, 018201 (1999)

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

ππ Pairs in Nuclei and the σ Meson

NUCLEAR REACTIONS 2H, 12C, 16O, 40Ca, 208Pb(π+, π+π-), (π+, 2π+), E=283 MeV; measured σ; deduced in-medium correlation effects.

doi: 10.1103/PhysRevC.60.018201
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
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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
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1998TA02      Phys.Rev. C57, 1295 (1998)

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

Pion Absorption in 12C

NUCLEAR REACTIONS 12C(π+, 2p), (π+, 3p), E=200, 240, 280 MeV; measured protons σ(E, θ); deduced reaction mechanism.

doi: 10.1103/PhysRevC.57.1295
Citations: PlumX Metrics


1997BO15      Phys.Rev. C55, 2998 (1997)

F.Bonutti, P.Camerini, E.Fragiacomo, N.Grion, R.Rui, J.T.Brack, L.Felawka, E.F.Gibson, G.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

Pion-Induced Pion Production in Nuclei

NUCLEAR REACTIONS 2H, 12C, 40Ca, 208Pb(π+, π+π-), (π+, π+π-p), E at 283 MeV/c; measured missing mass, energy distributions; deduced pion production mechanism.

doi: 10.1103/PhysRevC.55.2998
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


1986AL22      Phys.Rev. C34, 1757 (1986)

A.Altman, D.Ashery, E.Piasetzky, J.Lichtenstadt, A.I.Yavin, W.Bertl, L.Felawka, H.K.Walter, R.J.Powers, R.G.Winter, J.v.d.Pluym

(π±, 2N) Reactions at 165 and 245 MeV

NUCLEAR REACTIONS 12C, Fe, 209Bi, 16,18O(π+, 2p), (π-, 2p), (π+, np), (π-, np), E=165, 245 MeV; measured σ(θ1, θ2); deduced quasideuteron parameters. Natural, enriched targets, ΔE-E telescopes.

doi: 10.1103/PhysRevC.34.1757
Citations: PlumX Metrics


1984AL20      Phys.Lett. 144B, 337 (1984)

A.Altman, D.Ashery, E.Piasetzky, J.Lichtenstadt, A.I.Yavin, W.Bertl, L.Felawka, H.K.Walter, R.J.Powers, R.G.Winter, J.v.d.Pluym

Isotopic Effects in the (π±, 2N) Reactions on 16O and 18O

NUCLEAR REACTIONS 16,18O(π+, 2p), (π+, np), (π-, np), E=165 MeV; measured σ(θ1, θ2), ratio; deduced reaction mechanism.

doi: 10.1016/0370-2693(84)91273-5
Citations: PlumX Metrics


1984DE52      Phys.Rev.Lett. 53, 423 (1984)

F.W.N.de Boer, R.van Dantzig, M.Daum, J.Jansen, P.J.S.Watson, L.Felawka, C.Grab, A.van der Schaaf, T.Kozlowski, J.Martino, A.I.Smirnov

Search for Bound States of Neutrons and Negative Pions

doi: 10.1103/PhysRevLett.53.423
Citations: PlumX Metrics


1983AL07      Phys.Rev.Lett. 50, 1187 (1983)

A.Altman, E.Piasetzky, J.Lichtenstadt, A.I.Yavin, D.Ashery, R.J.Powers, W.Bertl, L.Felawka, H.K.Walter, R.G.Winter, J.v.d.Pluym

Observation of a Quasideuteron Component in the Reaction 12C(π+, 2p)

NUCLEAR REACTIONS 12C(π+, 2p), E=165, 245 MeV; measured σ(θ1, θ2), σ(θ1, θ2, E2); deduced quasideuteron component, σ, reaction mechanism.

doi: 10.1103/PhysRevLett.50.1187
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1982PI03      Phys.Rev. C25, 2687 (1982)

E.Piasetzky, D.Ashery, A.Altman, A.I.Yavin, F.W.Schleputz, R.J.Powers, W.Bertl, L.Felawka, H.K.Walter, R.G.Winter, J.v.d.Pluym

(π±, π±p) Reaction at 245 MeV

NUCLEAR REACTIONS C, Fe, Bi(π+, π+p), (π-, π-p), E=245 MeV; measured σ(Ep, θp, θ(π)), σ(θp, θπ); deduced reaction mechanism, σ(knockout).

doi: 10.1103/PhysRevC.25.2687
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1982PI04      Phys.Lett. 114B, 414 (1982)

E.Piasetzky, A.Altman, J.Lichtenstadt, A.I.Yavin, D.Ashery, W.Bertl, L.Felawka, H.K.Walter, F.W.Schleputz, R.J.Powers, R.G.Winter, J.v.d.Pluym

Observation of the (π-, π-n) and (π+, π+p) Reactions at 165 MeV

NUCLEAR REACTIONS C, Fe, Bi(π-, π-n), (π+, π+p), E=165 MeV; measured σ(θπ, θn), σ(θπ, θp); deduced σ(quasifree) ratio.

doi: 10.1016/0370-2693(82)90082-X
Citations: PlumX Metrics


1982PI06      Phys.Rev. C26, 2702 (1982)

E.Piasetzky, A.Altman, J.Lichtenstadt, A.I.Yavin, D.Ashery, W.Bertl, L.Felawka, H.K.Walter, F.W.Schleputz, R.J.Powers, R.G.Winter, J.v.d.Pluym

Pion-Induced Nucleon Knockout Reactions on 16O and 18O

NUCLEAR REACTIONS 16,18O(π+, π+p), (π-, π-p), (π-, π-n), E=165 MeV; measured π+p-, π-p-, π-n-coin; deduced absorption, scattering channel coupling. Scintillator detector array, H216O, H218O targets.

doi: 10.1103/PhysRevC.26.2702
Citations: PlumX Metrics


1981PI05      Phys.Rev.Lett. 46, 1271 (1981)

E.Piasetzky, D.Ashery, A.Altman, A.I.Yavin, F.W.Schleputz, R.J.Powers, W.Bertl, L.Felawka, H.K.Walter, R.G.Winter, J.v.d.Pluym

Observation of the Quasifree Reactions 12C(π(+-), π(+-)p) at 245 MeV

NUCLEAR REACTIONS 12C(π+, π+p), (π-, π-p), E=245 MeV; measured σ(θ(π), θp, Ep), σ(θ(π), θp), σ(θ(π+))/σ(θ(π-)); deduced consistency with quasifree scattering.

doi: 10.1103/PhysRevLett.46.1271
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1981SE11      Phys.Lett. 103B, 409 (1981)

U.Sennhauser, L.Felawka, T.Kozlowski, H.K.Walter, F.W.Schlepuetz, R.Engfer, E.A.Hermes, P.Heusi, H.P.Isaak, H.S.Pruys, A.Zglinski, W.H.A.Hesselink

Observation of Particle Unstable 4H in Pion Absorption in 7Li

NUCLEAR REACTIONS 7Li(π-, 2t), E at rest; measured σ(E1, E2); 4H deduced level, reduced width.

doi: 10.1016/0370-2693(81)90071-X
Citations: PlumX Metrics


1980CL02      Phys.Rev. C21, 988 (1980)

A.S.Clough, D.R.Gibson, D.Axen, R.Dubois, L.Felawka, R.Keeler, G.A.Ludgate, C.J.Oram, C.Amsler, D.V.Bugg, J.A.Edgington, L.P.Robertson, N.M.Stewart, J.Beveridge, J.R.Richardson

Neutron-Proton Elastic Scattering between 200 and 500 MeV. I. Experimental Details and Measurements of the D(t) and P Parameters

NUCLEAR REACTIONS 1H(polarized n, p), E=220, 325, 425, 495 MeV; measured analyzing power, polarization transfer vs θ.

doi: 10.1103/PhysRevC.21.988
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset13495.


1979AU02      Can.J.Phys. 57, 73 (1979)

E.G.Auld, D.Axen, J.Beveridge, G.Duesdieker, L.Felawka, C.H.Q.Ingram, R.R.Johnson, G.Jones, D.LePatourel, R.Orth, M.Salomon, W.Westlund, L.P.Robertson

π+-p Elastic Scattering at 47.9 MeV

NUCLEAR REACTIONS 1H(π+, π+), E=47.9 MeV; measured σ(θ); deduced phase shifts.

doi: 10.1139/p79-008
Citations: PlumX Metrics


1978AM07      Nucl.Instrum.Methods 157, 203 (1978)

C.Amsler, R.C.Brown, D.V.Bugg, J.A.Edgington, C.Oram, D.Axen, R.Dubois, L.Felawka, S.Jaccard, R.Keeler, J.Vavra, A.Clough, D.Gibson, G.A.Ludgate, N.M.Stewart, L.P.Robertson, J.R.Richardson

A Monoenergetic Polarized Neutron Beam from 200 to 500 MeV

NUCLEAR REACTIONS 2H(polarized p, n), E=237, 343, 445, 516 MeV; measured polarization of n, polarization transfer R.

doi: 10.1016/0029-554X(78)90608-0
Citations: PlumX Metrics


1977AX01      Lett.Nuovo Cim. 20, 151 (1977)

D.Axen, L.Felawka, S.Jaccard, J.Vavra, G.A.Ludgate, N.M.Stewart, C.Amsler, R.C.Brown, D.V.Bugg, J.A.Edgington, C.J.Oram, K.Shakarchi, A.S.Clough

D, R, R' and P in pp Elastic Scattering from 209 to 515 MeV

NUCLEAR REACTIONS 1H(polarized p, p), E=209-515 MeV; measured scattering parameters.

doi: 10.1007/BF02785134
Citations: PlumX Metrics


1976AX01      Nucl.Phys. A256, 387 (1976)

D.Axen, G.Duesdieker, L.Felawka, Q.Ingram, R.Johnson, G.Jones, D.Lepatourel, M.Salomon, W.Westlund, L.Robertson

The Interaction between Positive Pions and Deuterons at 47.5 MeV

NUCLEAR REACTIONS 2H(π+, π+), E=47.5 MeV; measured σ(Eπ, θ). LD2 target. 2H(π+, p), E=47.5 MeV; measured σ(θ). LD2 target.

doi: 10.1016/0375-9474(76)90380-8
Citations: PlumX Metrics


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