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Investigation of the. pi. /sup -/p. --> pi. /sup 0/n reaction at large momentum transfers

Journal Article · · JETP Lett. (USSR) (Engl. Transl.); (United States)
OSTI ID:6752186
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Data are presented on the charge-exchange ..pi../sup -/p scattering at a momentum 40 GeV/c at large momentum transfers. The experiment was performed with the 70-GeV Serpukhov accelerator using a 648-channel hodoscopic ..gamma.. spectrometer. The total statistics amounted to more than a million ..pi../sup 0/ mesons, making it possible to advance into the momentum-transfer region up to -t=1.8 (GeV/c)/sup 2/. The experimental data are compared with the optical model of the impact parameter. The imaginary part of the trajectory of the b/sub 0/(s) pole is determined from the slopes of the maxima of the function ..sqrt..-t dsigma/dt. A linear increase of Imb/sub 0/(s) with log s is observed.
OSTI ID:
6752186
Journal Information:
JETP Lett. (USSR) (Engl. Transl.); (United States), Journal Name: JETP Lett. (USSR) (Engl. Transl.); (United States) Vol. 26:9; ISSN JTPLA
Country of Publication:
United States
Language:
English

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Related Subjects

645104* -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Strong Meson-Induced Interactions-- (-1987)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BARYONS
BASIC INTERACTIONS
BOSONS
CHARGE-EXCHANGE INTERACTIONS
CROSS SECTIONS
DIFFERENTIAL CROSS SECTIONS
ELEMENTARY PARTICLES
ENERGY RANGE
FERMIONS
GEV RANGE
GEV RANGE 10-100
HADRON-HADRON INTERACTIONS
HADRONS
INTERACTIONS
LINEAR MOMENTUM TRANSFER
MESON-BARYON INTERACTIONS
MESON-NUCLEON INTERACTIONS
MESONS
NEUTRONS
NUCLEONS
OPTICAL MODELS
PARTICLE INTERACTIONS
PION MINUS-PROTON INTERACTIONS
PION-NUCLEON INTERACTIONS
PION-PROTON INTERACTIONS
PIONS
PIONS NEUTRAL
PSEUDOSCALAR MESONS
STRONG INTERACTIONS