Resonances and Λ0 polarization in 800 GeV/c pp → pdiffractedΛ0K+

Felix, J.; Berisso, M.C.; Christian, D.C.; Gara, A.; Gottschalk, E.E.; Guttierrez, G.; Hartouni, E.P.; Knapp, B.C.; Kreisler, M.N.; Lee, S.; Markianos, K.; Moreno, G.; Reyes, M.A.; Wang, M.H.L.S.; Wehmann, A.; Wesson, D.

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Resonances and Λ⁰ polarization in 800 GeV/c pp → p_diffractedΛ⁰K⁺

Felix, J.; Berisso, M.C.; Christian, D.C.; Gara, A.; Gottschalk, E.E.; Guttierrez, G.; Hartouni, E.P.; Knapp, B.C.; Kreisler, M.N.; Lee, S.; Markianos, K.; Moreno, G.; Reyes, M.A.; Wang, M.H.L.S.; Wehmann, A.; Wesson, D.2003

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AbstractAbstract

[en] Λ⁰ polarization from pp → p_diffractedΛ⁰K⁺at 800 GeV/c in the average depends linearly on Λ⁰K⁺ invariant mass: Λ⁰ polarization is 0.635 ± 0.036 at 1.64 GeV, consistent with zero at ∼ 2.195 GeV, and -0.586 ± 0.072 at 3.200 GeV. The origin of this ^Λ⁰ polarization is, probably, the interference of at least two Λ⁰K⁺ resonances, created from the excitation of the target proton, due to the diffracted proton transferred momentum

Primary Subject

NUCLEAR PHYSICS AND RADIATION PHYSICS (S73)

Source

PANIC '02: 16. particles and nuclei international conference; Osaka (Japan); 30 Sep - 4 Oct 2002; S0375947403011862; Copyright (c) 2003 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: Hungary

Record Type

Journal Article

Literature Type

Conference

Journal

Nuclear Physics. A; ISSN 0375-9474;

; CODEN NUPABL; v. 721(3); p. C805-C808

Country of publication

Netherlands

Descriptors (DEI)

DIFFRACTION MODELS, EXCITED STATES, LAMBDA BARYONS, POLARIZATION, PROTON-PROTON INTERACTIONS

Descriptors (DEC)

BARYON-BARYON INTERACTIONS, BARYONS, ELEMENTARY PARTICLES, ENERGY LEVELS, FERMIONS, HADRON-HADRON INTERACTIONS, HADRONS, HYPERONS, INTERACTIONS, MATHEMATICAL MODELS, NUCLEON-NUCLEON INTERACTIONS, PARTICLE INTERACTIONS, PARTICLE MODELS, PROTON-NUCLEON INTERACTIONS, STRANGE PARTICLES

LanguageLanguage

English

Reference NumberReference Number

35059477

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