NUCLEON-NUCLEON INTERACTIONS AT ENERGIES GREATER THAN 10$sup 12$ ev
Journal Article
·
· Nuovo Cimento (Italy) Divided into Nuovo Cimento A and Nuovo Cimento B
OSTI ID:4276819
An emulsion stack consisting of 100 sheets of Ilford G-5. 15 x 30 cm, and flown for 8 hr at 104,000 feet on a Skyhook balloon flight over Texas ( lambda = 41 deg N),was scanned for high-energy events. Two events seemed particularly suitable for analysis. The first event can be interpreted as a nucleon-nucleon interaction in which a high-enengy proton collided with a hydrogen nucleus or a single proton on the periphery of a heavy nucleus. The angular distribution of the secondaries was measured. and the momentum of each individual track was determined by the measurement of multiple Coulomb scattering. It was found that particles in the central core of the shower carried such a high energy that the momentum could be deternfined only by usuig track-to-track scatteming. Utilizing this method, moments up to about 100 Bev/c were measurable. Knowing the momenta and angular distrlbution of secondaries, it was possible to deduce a reliable estimate of the energy of the primary proton of 5 x 10/sup 12/ ev. The average energy of the charged particles was only 1.4 Bev. The second event was found at a distance of 5.7 cm from the primary star. a neutral interaction consisting of a high-energy fet. The distance from the origin indicates the event was produced by a K/sup 0/. a neutron, or an antineutron. The energy and angular distributions were analyzed and indicated the neutral particles had an energy of 2 x lO/sup 12/ ev. (A.C.)
- Research Organization:
- Univ. of Chicago
- NSA Number:
- NSA-13-008035
- OSTI ID:
- 4276819
- Journal Information:
- Nuovo Cimento (Italy) Divided into Nuovo Cimento A and Nuovo Cimento B, Journal Name: Nuovo Cimento (Italy) Divided into Nuovo Cimento A and Nuovo Cimento B Vol. Vol: (10) 8, Suppl. No. 2; ISSN NUCIA
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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