Search for the Cryptoexotic Member N{sub 10} of the Baryon Antidecuplet 1/2+ in the Reactions {pi}{sup -}p{yields}{pi}{sup -}p and {pi}{sup -}p{yields}K{lambda}

The main goal of this proposal is the search for a narrow cryptoexotic nucleon resonance by scanning of the {pi}{sup -}p system invariant mass in the region (1610-1770) MeV with the detection of {pi}{sup -}p and K{lambda} decays. The scan is supposed to be done by the variation of the incident {pi}{...

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Bibliographic Details
Published in:AIP conference proceedings 2008-10, Vol.1056 (1)
Main Authors: Alekseev, I. G., Budkovsky, P. Ye, Kanavets, V. P., Kats, M. M., Koroleva, L. I., Kulikov, V. V., Morozov, B. V., Nesterov, V. M., Ryltsov, V. V., Sakharov, V. A., Sulimov, A. D., Svirida, D. N., Filimonov, Ye. A., Kovalev, A. I., Kozlenko, N. G., Kozlov, V. S., Krivshich, A. G., Novinsky, D. V., Sumachev, V. V., Trautman, V. Yu, Petersburg Nuclear Physics Institute, Gatchina, Leningrad district, 188300, Abilene Christian University, 320B Foster Science Building, Abilene, TX 79699
Format: Article
Language:English
Subjects:
CHIRAL SYMMETRY
DRIFT CHAMBERS
GEV RANGE 01-10
HYDROGEN
KAONS
LAMBDA PARTICLES
NEUTRON SPECTROSCOPY
PAIR PRODUCTION
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
PION BEAMS
PION-PROTON INTERACTIONS
PIONS MINUS
PROTONS
QUANTUM CHROMODYNAMICS
RESONANCE
SHELL MODELS
SYMMETRY BREAKING
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Summary:The main goal of this proposal is the search for a narrow cryptoexotic nucleon resonance by scanning of the {pi}{sup -}p system invariant mass in the region (1610-1770) MeV with the detection of {pi}{sup -}p and K{lambda} decays. The scan is supposed to be done by the variation of the incident {pi}{sup -} momentum and its measurement with the accuracy of up to {+-}0.1%(better than 1 MeV in terms of the invariant mass in the whole energy range) with a set of proportional chambers located in first focus of the magneto-optical channel. High sensitivity of the method to the resonance under search is shown. The secondary particles scattered from a liquid hydrogen target are detected by sets of the wire drift chambers equipped with modern electronics.Now it is achieved the pion beam momentum resolution better than 0.1% at P{sub {pi}} = 1.5 GeV/c. The wire drift chambers are in preparation. The liquid hydrogen target is tested. The first experimental accelerator run can be at the end of 2008 year.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.3013069