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NSR database version of May 2, 2024.

Search: Author = T.Karapiperis

Found 8 matches.

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1991JU01      Phys.Rev. C43, 1911 (1991)

K.Junker, T.Karapiperis, M.Kobayashi

π-⁴⁰Ca Elastic Scattering

NUCLEAR REACTIONS ⁴⁰Ca(π⁺, π⁺), (π^-, π^-), E=65-292 MeV; calculated σ(θ), total, reaction σ. Semi-microscopic model.

doi: 10.1103/PhysRevC.43.1911
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1990KA32      Nucl.Phys. A518, 752 (1990)

T.Karapiperis, T.Takaki

π-⁴⁰Ca Inelastic Scattering

NUCLEAR REACTIONS ⁴⁰Ca(π⁺, π⁺'), (π^-, π^-'), E=116-292.5 MeV; calculated σ(θ). Semi-microscopic approach.

doi: 10.1016/0375-9474(90)90189-S
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1987GI01      Phys.Lett. 186B, 9 (1987)

K.L.Giovanetti, G.de Chambrier, P.F.A.Goudsmit, H.J.Leisi, B.Jeckelmann, Th.Karapiperis

The Isoscalar Pion-Nucleus Interaction from Pionic Atoms

ATOMIC PHYSICS, Mesic-Atoms ⁴He, ¹²C, ¹⁶O, ²⁰Ne; analyzed pionic atom data; deduced improved optical potential.

doi: 10.1016/0370-2693(87)90503-X
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1987KA39      Ann.Phys.(New York) 177, 1 (1987)

T.Karapiperis, M.Kobayashi

Delta-Hole Approach to Pion Double Charge Exchange

NUCLEAR REACTIONS ¹⁴C, ¹⁶O(π⁺, π^-), E=50-230 MeV; calculated σ(E, θ), σ(θ). ¹n(π⁺, π⁰), E=50 MeV; ¹⁸O(π⁺, π^-), E=50, 164 MeV; ¹²C, ¹⁶O(π⁺, π⁺), E=50 MeV; ¹²C(π^-, π^-), E=69.5 MeV; calculated σ(θ). Double charge exchange delta-hole approach.

doi: 10.1016/S0003-4916(87)80021-0
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1985KA04      Phys.Rev.Lett. 54, 1230 (1985)

T.Karapiperis, M.Kobayashi

Multiple-Scattering Approach to Pion Double Charge Exchange at 50 MeV

NUCLEAR REACTIONS ¹⁴C(π⁺, π⁺), E=49.9 MeV; ¹⁴C(π⁺, π^-), (π⁺, π⁰), E=50 MeV; analyzed σ(θ). Multiple scattering theory, pion, isobar propogation under medium effects.

doi: 10.1103/PhysRevLett.54.1230
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1985KA30      Nucl.Phys. A446, 657 (1985)

T.Karapiperis, M.Kobayashi, M.Thies

On the Treatment of the Non-Resonant Background in Delta-Hole Calculations

NUCLEAR REACTIONS ⁴He(π^-, π^-), E=75, 180, 260 MeV; ¹⁶O(π⁺, π⁺), E=79, 163, 240 MeV; calculated σ(θ); deduced small medium corrections role. Fermi motion, binding, Pauli blocking effects.

doi: 10.1016/0375-9474(85)90636-0
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1984KA26      Phys.Lett. 144B, 23 (1984)

T.Karapiperis, M.Kobayashi, M.Hirata

Delta-Hole Description of the Double Charge Exchange Reaction ¹⁸O(π⁺, π^-)¹⁸Ne(g.s.)

NUCLEAR REACTIONS ¹⁸O(π⁺, π^-), E=164 MeV; calculated σ(θ); deduced nonanalog intermediate states, isobar-nucleon interaction role. Isobar-hole, T-matrix formalisms.

doi: 10.1016/0370-2693(84)90168-0
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1984KA36      Phys.Lett. 148B, 253 (1984)

T.Karapiperis, E.J.Moniz

Medium Corrections to Inelastic π⁺/π^- Cross Section Ratios

NUCLEAR REACTIONS ¹⁶O(π⁺, π⁺'), (π^-, π^-'), E=164 MeV; analyzed isospin mixing coefficients from σ(π⁺)/σ(π^-); deduced pion amplitude isobar dominance.

doi: 10.1016/0370-2693(84)90082-0
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