K{sup -}p{yields}{pi}{sup 0}{pi}{sup 0}{sigma}{sup 0} at p{sub K{sup -}}=514-750 MeV/c and comparison with other {pi}{sup 0}{pi}{sup 0} production

Journal Article · Wed Sep 01 04:00:00 EDT 2004 · Physical Review. C, Nuclear Physics

DOI:https://doi.org/10.1103/PhysRevC.70.034605· OSTI ID:20695526

Prakhov, S; Nefkens, B M.K.; Clajus, M; Marusic, A; McDonald, S; Phaisangittisakul, N; Price, J W; Starostin, A; Tippens, W B ^[1]; Allgower, C E; Spinka, H ^[2]; Bekrenev, V; Koulbardis, A; Kozlenko, N; Kruglov, S; Lopatin, I ^[3]; Briscoe, W J; Shafi, A ^[4]; Comfort, J R; Craig, K ^[5]

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1. University of California Los Angeles, Los Angeles, California 90095-1547 (United States)
2. Argonne National Laboratory, Argonne, Illinois 60439-4815 (United States)
3. Petersburg Nuclear Physics Institute, Gatchina 188350 (Russian Federation)
4. George Washington University, Washington, D.C. 20052-0001 (United States)
5. Arizona State University, Tempe, Arizona 85287-1504 (United States); and others

Reaction K{sup -}p{yields}{pi}{sup 0}{pi}{sup 0}{sigma}{sup 0} was measured with the Crystal Ball multiphoton spectrometer at eight K{sup -} momenta from 514 to 750 MeV/c. Dynamics and the energy dependence of the reaction are shown by Dalitz plots, invariant mass spectra, production angular distributions, and total cross sections. The dipion invariant-mass spectra for K{sup -}p{yields}{pi}{sup 0}{pi}{sup 0}{sigma}{sup 0} show an enhancement in the low mass region; the opposite is the case for the K{sup -}p{yields}{pi}{sup 0}{pi}{sup 0}{lambda} and {pi}{sup -}p{yields}{pi}{sup 0}{pi}{sup 0}n reactions. There is no direct evidence for a f{sub 0}(600)-meson contribution to {pi}{sup 0}{pi}{sup 0} production. Everywhere {sigma}{sub t}(K{sup -}p{yields}{pi}{sup 0}{pi}{sup 0}{sigma}{sup 0})<<{sigma}{sub t}(K{sup -}p{yields}{pi}{sup 0}{pi}{sup 0}{lambda})

• OSTI ID: 20695526
• Journal Information: Physical Review. C, Nuclear Physics, Journal Name: Physical Review. C, Nuclear Physics Journal Issue: 3 Vol. 70; ISSN 0556-2813; ISSN PRVCAN
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANGULAR DISTRIBUTION
COMPARATIVE EVALUATIONS
DALITZ PLOT
DWBA
ELECTRONS
ENERGY DEPENDENCE
KAON-PROTON INTERACTIONS
KAONS MINUS
KNOCK-OUT REACTIONS
MASS SPECTRA
MEV RANGE
MULTIPARTICLE SPECTROMETERS
PIONS MINUS
PIONS NEUTRAL
POLARIZATION
SIGMA NEUTRAL PARTICLES
TOTAL CROSS SECTIONS