K sup + total cross sections on sup 12 C and medium effects in nuclei

Journal Article · Sat Aug 01 00:00:00 EDT 1992 · Physical Review, C (Nuclear Physics); (United States)

DOI:https://doi.org/10.1103/PhysRevC.46.655· OSTI ID:7173167

Krauss, R A; Alster, J; Ashery, D; Bart, S; Chrien, R E; Hiebert, J C; Johnson, R R; Kishimoto, T; Mardor, I; Mardor, Y; Moinester, M A; Olshevsky, R; Piasetzky, E; Pile, P H; Sawafta, R; Stearns, R L; Sutter, R J; Weiss, R; Yavin, A I ^[1]

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1. Brookhaven National Laboratory, Upton, New York 11973 (United States) Osaka University, Toyonaka, Osaka, 560 (Japan) School of Physics, Raymond and Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Tel Aviv 69978 (Israel) Texas A M University, College Station, Texas 77843 (United States) TRIUMF, Vancouver, British Columbia (Canada) Vassar College, Poughkeepsie, New York 12601 (United States)

The total cross sections for {ital K}{sup +} mesons on carbon and deuterium nuclei have been measured at eleven momenta in the range 450--740 MeV/{ital c}. The experimental technique was of the standard transmission type. The {ital K}{sup +} meson is the least strongly interacting of available hadronic probes, with a long mean free path in nuclear matter. At low incident momentum the {ital K}{sup +}{ital N} interaction is dominated by the {ital S}{sub 11} phase shift and varies slowly with energy. These characteristics make the {ital K}{sup +} an ideal tool for probing the nuclear volume to reveal nuclear medium effects. Measurements of the ratio of the total cross sections, per nucleon, of {ital K}{sup +-12}C to {ital K}{sup +-}{ital d} have been suggested as a way to reveal effects of the nuclear medium. The total cross section ratios are found to lie significantly above those predicted by the usual nuclear medium corrections. This suggests that novel phenomena are taking place within the nucleus. Several models which incorporate such phenomena are discussed, including nucleon swelling,'' mass rescaling, nuclear pions, and relativistic effects.

• DOE Contract Number: AC02-76CH00016
• OSTI ID: 7173167
• Journal Information: Physical Review, C (Nuclear Physics); (United States), Journal Name: Physical Review, C (Nuclear Physics); (United States) Vol. 46:2; ISSN 0556-2813; ISSN PRVCA
• Country of Publication: United States
• Language: English

Related Subjects

663460* -- Meson- & Hyperon-induced Reactions & Scattering-- (1992-)
663510 -- Nuclear Mass Ranges-- A=1-5-- (1992-)
663520 -- Nuclear Mass Ranges-- A=6-19-- (1992-)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BOSON-EXCHANGE MODELS
BOSONS
CARBON 12 TARGET
CHARGED-PARTICLE REACTIONS
CROSS SECTIONS
DEUTERIUM TARGET
DIFFERENTIAL EQUATIONS
DIRAC EQUATION
ELEMENTARY PARTICLES
ENERGY RANGE
EQUATIONS
HADRON REACTIONS
HADRONS
KAON PLUS REACTIONS
KAON REACTIONS
MATHEMATICAL MODELS
MESON REACTIONS
MESONS
MEV RANGE
MEV RANGE 100-1000
NUCLEAR REACTIONS
PARTIAL DIFFERENTIAL EQUATIONS
PARTICLE MODELS
PERIPHERAL MODELS
PIONS
PSEUDOSCALAR MESONS
SCATTERING
TARGETS
TOTAL CROSS SECTIONS
TRANSMISSION
WAVE EQUATIONS