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Search: Author = J.Piffaretti

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1987CO17      Phys.Rev. C36, 230 (1987)

W.B.Cottingame, K.G.Boyer, W.J.Braithwaite, S.J.Greene, C.J.Harvey, R.J.Joseph, D.B.Holtkamp, C.F.Moore, J.J.Kraushaar, R.J.Peterson, R.A.Ristinen, J.R.Shepard, G.R.Smith, R.L.Boudrie, N.S.P.King, C.L.Morris, J.Piffaretti, H.A.Thiessen

Inelastic Pion Scattering from ¹²C

NUCLEAR REACTIONS ¹²C(π⁺, π⁺'), (π^-, π^-'), E=100-291 MeV; measured σ(θ); deduced σ. ¹²C levels deduced isospin mixing effects. DWIA analysis.

doi: 10.1103/PhysRevC.36.230
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1984HO06      Nucl.Phys. A412, 286 (1984)

J.Hoftiezer, Ch.Weddigen, P.Chatelain, B.Favier, F.Foroughi, J.Piffaretti, S.Jaccard, P.Walden

The Analysing Power of the Reaction pp → πd for Proton Energies between 500 and 600 MeV

NUCLEAR REACTIONS ¹H(polarized p, π), E=516, 542, 569, 582 MeV; measured A(θ); deduced associate Legendre polynomial expansion coefficients for σ(θ), A(θ). CH₂ target, scintillation detectors, tof.

doi: 10.1016/0375-9474(84)90683-3
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1983HO12      Nucl.Phys. A402, 429 (1983)

J.Hoftiezer, Ch.Weddigen, P.Chatelain, B.Favier, F.Foroughi, C.Nussbaum, J.Piffaretti, S.Jaccard, P.Walden

The Differential Cross Section of the Reaction pp → πd for Proton Energies between 500 and 600 MeV

NUCLEAR REACTIONS ¹H(p, π), E=516-582 MeV; measured σ(θ); deduced Legendre polynomal expansion coefficients. CH₂ target, scintillation detectors.

doi: 10.1016/0375-9474(83)90212-9
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1982CH11      J.Phys.(London) G8, 643 (1982)

P.Chatelain, B.Favier, F.Foroughi, J.Hoftiezer, S.Jaccard, J.Piffaretti, P.Walden, C.Weddigen

The Differential Cross Section for Elastic Proton-Proton Scattering at 90° CM between 500 and 600 MeV

NUCLEAR REACTIONS ¹H(p, p), E=516-582 MeV; measured σ(θ=90°). CH₂ target.

doi: 10.1088/0305-4616/8/5/006
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1982CH31      Helv.Phys.Acta 55, 239 (1982)

P.Chatelain, B.Favier, F.Foroughi, J.Piffaretti, C.Nussbaum, J.Hoftiezer, C.Weddigen, S.Jaccard

Sections Efficaces et Pouvoir d'Analyse de la Reaction de Production p + p → π⁺ + d entre 516 et 582 MeV

NUCLEAR REACTIONS ¹H(p, π⁺), (polarized p, π⁺), E=516-582 MeV; measured production σ(θ), analyzing power vs θ.

1982CO01      Phys.Rev. C25, 438 (1982)

M.D.Cooper, H.W.Baer, J.D.Bowman, F.H.Cverna, R.H.Heffner, C.M.Hoffman, N.S.P.King, J.Piffaretti, J.Alster, A.Doron, S.Gilad, M.A.Moinester, P.R.Bevington, E.Winkelmann

³He(π^-, π⁰) Reaction at T(π) = 200 MeV

NUCLEAR REACTIONS ³He(π^-, π⁰), E=200 MeV; measured σ(θ), σ(θ, E(π⁰)); deduced σ(total) for IAR excitation, effective nucleon number, Pauli blocking. Glauber model.

doi: 10.1103/PhysRevC.25.438
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1982DO02      Phys.Rev.Lett. 48, 989 (1982)

A.Doron, J.Alster, A.Erell, S.Gilad, M.A.Moinester, R.A.Anderson, H.W.Baer, J.D.Bowman, M.D.Cooper, F.H.Cverna, C.M.Hoffman, N.S.P.King, M.J.Leitch, J.P.Piffaretti, P.R.Bevington, E.Winkelmann, C.D.Goodman

Energy Dependence of the Small-Angle Differential Cross Sections to Isobaric Analog States in ⁷Li(π⁺, π⁰)⁷Be and ¹³C(π⁺, π⁰)¹³N

NUCLEAR REACTIONS ⁷Li, ¹³C(π⁺, π⁰), E=70, 100, 150, 165, 180 MeV; measured σ(θ), σ(E(π⁰)). ¹³N, ⁷Be deduced IAS excitation dependence on pion energy.

doi: 10.1103/PhysRevLett.48.989
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1982DO10      Phys.Rev. C26, 189 (1982)

A.Doron, J.Alster, A.Erell, M.A.Moinester, R.A.Anderson, H.W.Baer, J.D.Bowman, M.D.Cooper, F.H.Cverna, C.M.Hoffman, N.S.P.King, M.J.Leitch, J.P.Piffaretti, C.D.Goodman

Angular Distributions of Single Pion Charge Exchange Reactions to Isobaric Analog States in Light Nuclei

NUCLEAR REACTIONS ¹³C, ¹⁵N(π⁺, π⁰), E=164 MeV; measured σ(θ). ¹³N, ¹⁵O deduced IAS excitation. Enriched targets. Semiphenomenological isobar doorway, second-order coupled-channels calculations.

doi: 10.1103/PhysRevC.26.189
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1982EL07      Phys.Rev. C26, 1544 (1982)

R.J.Ellis, H.J.Ziock, K.O.H.Ziock, Y.Tzeng, J.Arvieux, R.Corfu, J.Piffaretti, L.C.Liu, E.R.Siciliano

Reactions ¹²C(π±, π±d)¹⁰B and ¹²C(π±, π±t)⁹B

NUCLEAR REACTIONS ¹²C(π⁺, π⁺d), (π⁺, π⁺t), (π^-, π^-d), (π^-, π^-t), E=160, 180, 200 MeV; measured σ(θ(π), θd), σ(θ(π), θt) vs pion momentum. Plane wave impulse approximation.

doi: 10.1103/PhysRevC.26.1544
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1982SE04      Phys.Rev. C26, 594 (1982)

S.J.Seestrom-Morris, D.Dehnhard, M.A.Franey, G.S.Kyle, C.L.Morris, R.L.Boudrie, J.Piffaretti, H.A.Thiessen

Inelastic Pion Scattering from ¹³C at 162 MeV

NUCLEAR REACTIONS ¹³C(π⁺, π⁺'), (π^-, π^-'), E=162 MeV; measured σ(θ). ¹³C levels deduced L. Microscopic DWIA analysis, shell model wave functions.

doi: 10.1103/PhysRevC.26.594
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1981FA08      Helv.Phys.Acta 54, 644 (1981)

B.Favier, P.Chatelain, F.Foroughi, J.Piffaretti, S.Jaccard, P.Walden, J.Hoftizer, C.Weddigen

Section Efficace Differentielle a 90° (CM) pour la Diffusion Elastique pp entre 515 et 583 MeV

NUCLEAR REACTIONS ¹H(p, p), E=515-583 MeV; measured σ(θ=90°).

1981FO10      Helv.Phys.Acta 53, 645 (1981)

F.Foroughi, P.Chatelain, J.Piffaretti, B.Favier, S.Jaccard, Ch.Weddigen, J.Hoftizer

Mesure de la Distribution Angulaire de la Reaction p + p → π⁺ + d entre 513 et 583 MeV

NUCLEAR REACTIONS ¹H(p, π⁺), E=513-583 MeV; measured σ(θ); deduced dibaryon resonance effects.

1981FO13      Helv.Phys.Acta 54, 643 (1981)

F.Foroughi, P.Chatelain, B.Favier, C.Nussbaum, J.Piffaretti, S.Jaccard, P.Walden, J.Hoftizer, C.Weddigen

Section Efficace Differentielle et Pouvoir d'Analyse de la Reaction pp → π⁺d entre 515 et 583 MeV

NUCLEAR REACTIONS ¹H(polarized p, π⁺), E=515-583 MeV; measured σ(θ), recoil deuteron analyzing power vs θ.

1981HO09      Phys.Lett. 100B, 462 (1981)

J.Hoftiezer, Ch.Weddigen, B.Favier, S.Jaccard, P.Walden, P.Chatelain, F.Foroughi, C.Nussbaum, J.Piffaretti

Energy Dependence of the pp → π⁺d Differential Cross Section between 500 and 600 MeV

NUCLEAR REACTIONS ¹H(p, π⁺), E=514-583 MeV; measured πd-coin, σ(θ, E); deduced nucleon-Δ resonance threshold effect, no ¹D₂ dibaryon resonance. Legendre polynomial analysis.

doi: 10.1016/0370-2693(81)90605-5
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1981MO07      Phys.Lett. 99B, 387 (1981)

C.L.Morris, R.L.Boudrie, J.Piffaretti, W.B.Cottingame, W.J.Braithwaite, S.J.Greene, C.J.Harvey, D.B.Holtkamp, C.F.Moore, S.J.Seestrom-Morris

Measurements of Isospin Mixing Between the 1⁺ Doublet in ¹²C using Pion Inelastic Scattering

NUCLEAR REACTIONS ¹²C(π⁺, π⁺'), (π^-, π^-'), E=100, 116, 130 MeV; measured σ(E(π)); deduced charge dependent matrix element. ¹²C levels deduced isospin mixing. Model independent method.

doi: 10.1016/0370-2693(81)90554-2
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1981ZI01      Phys.Rev. C24, 2674 (1981)

H.J.Ziock, R.J.Ellis, K.O.H.Ziock, J.Bolger, E.Boschitz, J.Arvieux, R.Corfu, J.Piffaretti

Quasifree Scattering of Positive Pions on Carbon

NUCLEAR REACTIONS ¹²C(π⁺, π⁺p), E=130-200 MeV; measured σ(θ(π), θp) vs scattered pion momentum. Kinematically complete experiment. Plane wave impulse approximation, quasifree pion scattering.

doi: 10.1103/PhysRevC.24.2674
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1980BA27      Phys.Rev.Lett. 45, 982 (1980)

H.W.Baer, J.D.Bowman, M.D.Cooper, F.H.Cverna, C.M.Hoffman, M.B.Johnson, N.S.P.King, J.Piffaretti, E.R.Siciliano, J.Alster, A.Doron, S.Gilad, M.Moinester, P.R.Bevington, E.Winkelmann

Observation of Isobaric Analog States in Pion Single-Charge-Exchange Reactions

NUCLEAR REACTIONS ⁷Li, ¹³C, ²⁷Al, ⁵⁸Ni, ⁹⁰Zr, ¹²⁰Sn, ²⁰⁸Pb(π⁺, π⁰), E=98 MeV; measured σ(θ). ⁷Be, ¹³N, ²⁷Si, ⁵⁸Cu, ⁹⁰Nb, ¹²⁰Sb, ²⁰⁸Bi deduced IAS. Optical model.

doi: 10.1103/PhysRevLett.45.982
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1980HO13      Phys.Rev.Lett. 45, 420 (1980)

D.R.Holtkamp, W.J.Braithwaite, W.Cottingame, S.J.Greene, R.J.Joseph, C.F.Moore, C.L.Morris, J.Piffaretti, E.R.Siciliano, H.A.Thiessen, D.Dehnhard

Isospin Mixing of 4^- Particle-Hole States in ¹⁶O

NUCLEAR REACTIONS ¹⁶O(π⁺, π⁺'), (π^-, π^-'), E=164 MeV; measured σ(θ(π), E(π')); deduced off-diagonal charge-dependent matrix elements. ¹⁶O levels deduced isospin mixing.

doi: 10.1103/PhysRevLett.45.420
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1980PE01      Phys.Rev. C21, 1030 (1980)

R.J.Peterson, R.L.Boudrie, J.J.Kraushaar, R.A.Ristinen, J.R.Shepard, G.R.Smith, C.F.Moore, W.J.Braithwaite, N.S.P.King, C.L.Morris, H.A.Thiessen, J.Piffaretti

Spin and Isospin Transfer in the ¹²C(π⁺, π⁺') Reaction

NUCLEAR REACTIONS ¹²C(π⁺, π⁺'), E=100-291 MeV; measured σ(θ); deduced spin, isospin transfer effects. Two-step reaction mechanism.

doi: 10.1103/PhysRevC.21.1030
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1979CH05      Phys.Lett. 81B, 143 (1979)

B.Chabloz, R.Corfu, J.-P.Egger, J.-F.Germond, P.Gretillat, C.Lunke, J.Piffaretti, E.Schwarz, C.Perrin, J.E.Bolger, J.Zichy

Large Angle Pion-Carbon Scattering Near the πN(3, 3) Resonance

NUCLEAR REACTIONS ¹²C(π⁺, π⁺), (π⁺, π⁺'), (π^-, π^-), E=162 MeV; measured σ(θ). Phenomenological scattering amplitude analysis near (3, 3) resonance.

doi: 10.1016/0370-2693(79)90508-2
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1979DE34      Phys.Rev.Lett. 43, 1091 (1979)

D.Dehnhard, S.J.Tripp, M.A.Franey, G.S.Kyle, C.L.Morris, R.L.Boudrie, J.Piffaretti, H.A.Thiessen

Pure Neutron and Pure Proton Transitions in Inelastic Scattering of Pions by ¹³C

NUCLEAR REACTIONS ¹³C(π⁺, π⁺), (π⁺, π⁺'), (π^-, π^-), (π^-, π^-'), E=162 MeV; measured σ(θ). ¹³C deduced pure n, p transitions. Shell-model, weak coupling-model configurations.

doi: 10.1103/PhysRevLett.43.1091
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1979EL12      Phys.Lett. 88B, 253 (1979)

R.J.Ellis, H.J.Ziock, K.O.H.Ziock, J.Bolger, E.Boschitz, J.Arvieux, R.Corfu, J.Piffaretti

Coincidence Measurements of the Reactions ¹²C(π±, π±d)¹⁰B and ¹²C(π±, π±t)⁹B

NUCLEAR REACTIONS ¹²C(π⁺, π⁺d), (π^-, π^-d), (π⁺, π⁺t), (π^-, π^-t), E=180 MeV; measured ratio of σ for π+, π- projectiles; deduced evidence for quasielastic πd scattering.

doi: 10.1016/0370-2693(79)90460-X
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1979LU09      Helv.Phys.Acta 52, 417 (1979)

C.Lunke, R.Corfu, J.-P.Egger, P.Gretillat, J.Piffaretti, E.Schwarz, J.Jansen, C.Perrin, B.Preedom

Diffusion Inelastique des Pions sur ¹²C, ¹⁸O, ²⁸Si et ⁵²Cr

NUCLEAR REACTIONS ¹²C, ¹⁸O, ²⁸Si, ⁵²Cr(π⁺, π⁺'), (π^-, π^-'), E near resonance; measured σ(θ). DWIA analysis.

1979MO15      Phys.Lett. 86B, 31 (1979)

C.L.Morris, J.Piffaretti, H.A.Thiessen, W.B.Cottingame, W.J.Braithwaite, R.J.Joseph, I.B.Moore, D.B.Holtkamp, C.J.Harvey, S.J.Greene, C.F.Moore, R.L.Boudrie, R.J.Peterson

Observation of Isospin Mixing in ¹²C Near 19.5 MeV Excitation

NUCLEAR REACTIONS ¹²C(π⁺, π⁺), (π^-, π^-'), E=162 MeV; measured σ(Eπ+, θ), σ(Eπ-, θ). ¹²C deduced isospin mixed doublet near 19.5 MeV.

doi: 10.1016/0370-2693(79)90614-2
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1979PR06      Nucl.Phys. A326, 385 (1979)

B.M.Preedom, R.Corfu, J.-P.Egger, P.Gretillat, C.Lunke, J.Piffaretti, E.Schwarz, J.Jansen, C.Perrin

A Systematic Study of π⁺ and π^- Inelastic Scattering from ²⁸Si in The Region of the πN(3, 3) Resonance

NUCLEAR REACTIONS ²⁸Si(π⁺, π⁺), (π^-, π^-), E=130, 180, 226 MeV; measured σ(θ). Optical potential, DWIA collective model analysis.

doi: 10.1016/0375-9474(79)90399-3
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1979ZI05      Phys.Rev.Lett. 43, 1919 (1979)

H.J.Ziock, R.J.Ellis, K.O.H.Ziock, J.Bolger, E.Boschitz, J.Arvieux, R.Corfu, J.Piffaretti

Measurement of the Ratio σ(¹²C(π⁺, π⁺p)¹¹B)/σ(¹²C(π^-, π^-p)¹¹B)

NUCLEAR REACTIONS ¹²C(π⁺, π⁺'p), (π^-, π^-'p), E=180 MeV; measured ratio of σ. PWIA analysis.

doi: 10.1103/PhysRevLett.43.1919
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1978CH33      Helv.Phys.Acta 51, 512 (1978)

B.Chabloz, R.Corfu, J.-P.Egger, P.Gretillat, C.Lunke, J.Piffaretti, E.Schwarz, C.Perrin, J.Bolger, M.Werner, J.Zichy

A 180° Scattering Facility for the SIN Pion Spectrometer (SUSI)

NUCLEAR REACTIONS ¹²C(π^-, π^-), (π⁺, π⁺), E=162 MeV; measured σ(θ).

1978CO24      Helv.Phys.Acta 51, 510 (1978)

R.Corfu, J.-P.Egger, P.Gretillat, C.Lunke, J.Piffaretti, E.Schwarz, C.Perrin, B.M.Preedom, J.Jansen

Pion Elastic and Inelastic Scattering from ²⁸Si over the πN(e, e) Resonance

NUCLEAR REACTIONS ²⁸Si(π⁺, π⁺), (π^-, π^-), (π⁺, π⁺'), (π^-, π^-'), E=130, 180, 226 MeV; measured σ(θ). Black disc model, Coulomb corrections.

1978EG03      Helv.Phys.Acta 51, 85 (1978)

J.-P.Egger, R.Corfu, P.Gretillat, C.Lunke, J.Piffaretti, E.Schwarz, C.Perrin, B.M.Preedom, J.Jansen

Comparison of π⁺ and π^- Elastic Scattering Off ⁴⁰Ca and ⁴⁸Ca Showing the Possibility to Extract a Neutron Radius for ⁴⁸Ca

NUCLEAR REACTIONS ^40,48Ca(π⁺, π⁺), (π⁺, π⁺'), (π^-, π^-), (π^-, π^-'), E=130 MeV; measured σ(θ).

1978LU09      Phys.Lett. 78B, 201 (1978)

C.Lunke, R.Corfu, J.-P.Egger, P.Gretillat, J.Piffaretti, E.Schwarz, J.Jansen, C.Perrin, B.M.Preedom

Comparative Study of π⁺ and π^- Elastic and Inelastic Scattering Off ¹⁸O and ²⁸Si at 180 MeV

NUCLEAR REACTIONS ¹⁸O, ²⁸Si(π⁺, π⁺'), (π^-, π^-'), E=180 MeV; measured σ(Eπ', θ).

doi: 10.1016/0370-2693(78)90005-9
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1978PE06      Nucl.Phys. A300, 321 (1978)

E.Pedroni, K.Gabathuler, J.J.Domingo, W.Hirt, P.Schwaller, J.Arvieux, C.H.Q.Ingram, P.Gretillat, J.Piffaretti, N.W.Tanner, C.Wilkin

A Study of Charge Independence and Symmetry from π⁺ and π^- Total Cross Sections on Hydrogen and Deuterium Near the 3, 3 Resonance

NUCLEAR REACTIONS ^1,2H(π⁺, X), (π^-, X), E=70-370 MeV; measured total σ(E).

doi: 10.1016/0375-9474(78)96136-5
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1978PE11      Helv.Phys.Acta 51, 380 (1978)

C.Perrin, R.Corfu, J.-P.Egger, J.-F.Germond, P.Gretillat, C.Lunke, J.Piffaretti, E.Schwarz

Observation of the 15.1 MeV (1⁺) State in Carbon-12 by π⁺ Inelastic Scattering Near the πN (3, 3) Resonance

NUCLEAR REACTIONS ¹²C(π⁺, π⁺'), E=148 MeV; measured σ. ¹²C deduced level, J, π.

1977EG02      Phys.Rev.Lett. 39, 1608 (1977)

J.-P.Egger, R.Corfu, P.Gretillat, C.Lunke, J.Piffaretti, E.Schwarz, C.Perrin, J.Jansen, B.M.Preedom

Pion-⁴⁰Ca and Pion-⁴⁸Ca Elastic Scattering and the Neutron Radius of ⁴⁸Ca

NUCLEAR REACTIONS ^40,48Ca(π⁺, π⁺), (π^-, π^-), E=130 MeV; measured σ(θ).

doi: 10.1103/PhysRevLett.39.1608
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1977PE12      Phys.Lett. 69B, 301 (1977)

C.Perrin, J.-P.Albanese, R.Corfu, J.-P.Egger, P.Gretillat, C.Lunke, J.Piffaretti, E.Schwarz, J.Jansen, B.M.Preedom

Observation of the ¹⁸Ne Ground State in the Pion Double-Charge-Exchange Reaction ¹⁸O(π⁺, π^-)¹⁸Ne

NUCLEAR REACTIONS ¹⁸O(π⁺, π^-), E=148, 187 MeV; measured σ.

doi: 10.1016/0370-2693(77)90551-2
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1977PI02      Phys.Lett. 67B, 289 (1977)

J.Piffaretti, R.Corfu, J.-P.Egger, P.Gretillat, C.Lunke, E.Schwarz, C.Perrin

π⁺ and π^- Scattering from ¹²C at 150 MeV

NUCLEAR REACTIONS ¹²C(π⁺, π⁺), (π⁺, π⁺'), (π^-, π^-), (π^-, π^-'), E=148 MeV; measured σ(θ).

doi: 10.1016/0370-2693(77)90373-2
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1977PI09      Phys.Lett. 71B, 324(1977)

J.Piffaretti, R.Corfu, J.-P.Egger, P.Gretillat, C.Lunke, E.Schwarz, C.Perrin, B.M.Preedom

Comparison of the π+ and π- Elastic Scattering from ¹²C over the πN(3, 3) Resonance Region

NUCLEAR REACTIONS ¹²C(π^-, π^-), (π⁺, π⁺), E=162, 226 MeV; measured σ(θ).

doi: 10.1016/0370-2693(77)90228-3
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1974BE46      Helv.Phys.Acta 47, 211 (1974)

J.L.Beveridge, R.Corfu, J.P.Egger, F.Foroughi, J.Piffaretti, J.Rossel, J.Arvieux, J.L.Durand, C.Perrin

Investigation of the Pole Graph Dominance in the Reaction ⁶Li(p, pd)⁴He between 40 and 50 MeV

NUCLEAR REACTIONS ⁶Li(p, pd), E=40, 45, 50 MeV; measured pd-coin, σ.

1971JA17      Helv.Phys.Acta 44, 502 (1971)

S.Jaccard, J.-F.Germond, J.Piffaretti, J.Weber

Polarisation des Neutrons Emis par la Reaction ¹²C(d, n)¹³N Sous 20° Lab. Pour E=2.75 MeV et 3 MeV

NUCLEAR REACTIONS ¹²C(d, n), E=2.71, 2.96 MeV; measured P(n).

1971PI10      Helv.Phys.Acta 44, 763 (1971)

J.Piffaretti

Variation Angulaire du Pouvoir de Polarisation de la Diffusion n-D a 2, 6 MeV

NUCLEAR REACTIONS ²H(n, n), E=2.6 MeV; measured P(n)(θ).

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset20874.

Note: The following list of authors and aliases matches the search parameter J.Piffaretti: , J.P.PIFFARETTI