Published 1983
| Version v1
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X-particle production in π-p collisions at 38 GeV/c
Creators
- 1. Institut Superieur de l'Etat pour les Sciences Nucleaires Appliquees (ISNA), Brussels (Belgium)
- 2. Gosudarstvennyj Komitet po Ispol'zovaniyu Atomnoj Ehnergii SSSR, Serpukhov. Inst. Fiziki Vysokikh Ehnergij
Description
The chi-particle production has been studied in reaction π-+p→chi+ ... in the near threshold region. The experiments have been performed at the 70 GeV IHEP accelerator with the hodoscope spectrometer GAMS-2000. The chi-particles are identified after their decay chi→J/psi+γ, J/psi→e+e-. In the studied region, Xsub(F)< or approximately 0.4. where Xsub(F)=Psub(e)/Psub(e, max) (Psub(e) is a longitudinal momentim of chi or J/psi-particles in the c.m.s. reactions) (44+chi-16)% of J/psi are produced through decay. The chi distributions on logitudinal and transverse momenta are analogous to those obtained for J/psi. The cross section of inclusive chi production (3P1 and 3P2 states) at 38 GeV/c is found to be σ0 p(π-chi→ n+...)=(28+-11)b
Availability note (English)
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16012371.pdf
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Additional details
Additional titles
- Original title (Russian)
- Образование x-частиц в Ï€
Publishing Information
- Imprint Pagination
- 15 p.
- Report number
- IFVE-OEF--83-155
INIS
- Country of Publication
- USSR
- Country of Input or Organization
- USSR
- INIS RN
- 16012371
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
- Descriptors DEI
- CHI RESONANCES; CROSS SECTIONS; EFFECTIVE MASS; ENERGY DEPENDENCE; GEV RANGE 10-100; INCLUSIVE INTERACTIONS; LONGITUDINAL MOMENTUM; MASS SPECTRA; PARTICLE DECAY; PARTICLE PRODUCTION; PION MINUS-PROTON INTERACTIONS; PSI-3105 RESONANCES; TRANSVERSE MOMENTUM
- Descriptors DEC
- BOSONS; DECAY; ELEMENTARY PARTICLES; ENERGY RANGE; GEV RANGE; HADRON-HADRON INTERACTIONS; HADRONS; INTERACTIONS; LINEAR MOMENTUM; MASS; MESON RESONANCES; MESON-BARYON INTERACTIONS; MESON-NUCLEON INTERACTIONS; MESONS; PARTICLE INTERACTIONS; PION-NUCLEON INTERACTIONS; PION-PROTON INTERACTIONS; PSI RESONANCES; RESONANCE PARTICLES; SPECTRA
Optional Information
- Notes
- 21 refs.; 8 figs.; submitted to the journal Sov. J. Nucl. Phys.
- Secondary number(s)
- SERP-E--140.