Observation of J(3.1) Production in Proton--proton Collisions at the CERN ISR.

Observation of J(3.1) Production in Proton--proton Collisions at the CERN ISR.
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Release: 1975
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In an experiment performed at the CERN Intersecting Storage Rings (ISR), 11 e$sup +$e$sup -$ pairs of high invariant mass value (greater than 2.5 GeV/ c$sup 2$) were observed. Of these events, 9 can be interpreted as arising from the reaction p + p $Yields$ J(3.1) + anything. The cross section for this reaction is estimated and compared with the result obtained at lower center-of- mass energies. (auth).

Direct Electrons at the CERN ISR. II. A Study of the Transverse Momentum Dependence Above 0.6 GeV/c

Direct Electrons at the CERN ISR. II. A Study of the Transverse Momentum Dependence Above 0.6 GeV/c
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Release: 1975
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The previously reported observation of direct electrons produced in proton-proton collisions at the CERN ISR was extended to transverse moments, p*/ sub T/, as low as 0.6 GeV/c. The ratio of electron to pion cross sections seems to rise as p*/sub T/ is decreased. It increases by at most a factor of 2 between p*/sub T/ of 2 and 0.6 GeV/c. Results on the s-dependence of this ratio and on correlated charged particles are presented for p*/sub T/ greater than or equal to 1 GeV/c in another work. (auth).

Nuclear Science Abstracts

Nuclear Science Abstracts
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Total Pages: 764
Release: 1975
Genre: Nuclear energy
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