Measurement of the total cross section for the pion charge-exchange reaction sup 37 Cl(. pi. sup + ,. pi. sup 0 ) sup 37 Ar at energies 280, 335, and 390 MeV

Journal Article · Wed Feb 01 00:00:00 EST 1989 · Soviet Journal of Nuclear Physics (English Translation); (USA)

OSTI ID:5539817

Gavrin, V N; Golubeva, M B; Dan'shin, S N; Kopylov, A V; Krasnov, V A; Kruglov, S P; Kurepin, A B; Lopatin, I V; Reshetin, A I; Strel'tsov, A V; others, and

An activation method was used to measure cross sections for charge exchange of pions in chlorine atoms. The yield of argon atoms per inelastic interaction of {pi}{sup {plus minus}} mesons with molecules of hexachloro benzene C{sub 6} Cl{sub 6} was determined directly at 280, 335, and 390 MeV. To evaluate the contribution from the two-step background process ({pi},{ital pX}) and ({ital p},{ital n}), calculations for {pi}{sup {plus minus}} mesons were made by the Monte Carlo method. The results supplement the previously measured values of total cross sections for charge exchange of pions in nuclei with intermediate mass numbers in the vicinity of the minimum of the mass dependence and can be used for design of apparatus with high resolution in {pi}{sup 0} -meson energy to evaluate counting rates at energies above the region of the pion--nucleon P{sub 33} resonance. Measurements of the cross sections for charge exchange of pions in this region of energies have not been made previously.

• OSTI ID: 5539817
• Journal Information: Soviet Journal of Nuclear Physics (English Translation); (USA), Vol. 49:2; ISSN 0038-5506
• Country of Publication: United States
• Language: English

Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS
CHLORINE 37 TARGET
PION PLUS REACTIONS
CHARGE-EXCHANGE REACTIONS
ARGON 37
DATA ANALYSIS
MEV RANGE 100-1000
MONTE CARLO METHOD
PIONS NEUTRAL
TOTAL CROSS SECTIONS
ARGON ISOTOPES
BETA DECAY RADIOISOTOPES
BOSONS
CHARGED-PARTICLE REACTIONS
CROSS SECTIONS
DAYS LIVING RADIOISOTOPES
ELECTRON CAPTURE RADIOISOTOPES
ELEMENTARY PARTICLES
ENERGY RANGE
EVEN-ODD NUCLEI
HADRON REACTIONS
HADRONS
ISOTOPES
LIGHT NUCLEI
MESON REACTIONS
MESONS
MEV RANGE
NUCLEAR REACTIONS
NUCLEI
PION REACTIONS
PIONS
PSEUDOSCALAR MESONS
RADIOISOTOPES
TARGETS
651420* - Nuclear Properties & Reactions
A=20-38
Experimental