Electromagnetic interactions of cosmic ray muons in iron. II. Momentum dependence of the interaction probabilities

Grupen, C.; Hamdan, M A; Hansen, S.; Thompson, M. G.; Wolfendale, A. W.; Young, E. C. M.

doi:10.1088/0305-4470/5/12/011

Cited by 3 publications

(1 citation statement)

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“…The need to update the survey here is not considered vital because only the three more recent experiments of Grupen et al (1972), Binns and Kearney (1972) and Jain et al (1974) are not included in the survey. Furthermore, the investigation of Binns and Kearney was at an intermediate depth of 274 hg cm-2 where the pair production cross section lies below that for knock-on, while the burst experiment of Grupen et a1 is of limited precision.…”

Section: Introductionmentioning

confidence: 99%

Planning of new accelerators and the problems of contemporary elementary-particle physics

Blokhint︠s︡ev¹,

Efremov²,

Muradyan³

1973

Sov. Phys. Usp.

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An apparatus consisting of a stack of six scintillation counters interleaved with lead target material has been operated in underground laboratories at depths below the top of the atmosphere of 72 and 460 hg cm-". The probability that a muon transferred secondary energy in the range 0.1 to 30 GeV was determined from the recorded data. At the shallower depth the dominant process was knock-on and at the greater depth direct pair production was more significant. By comparing the rates of electromagnetic interactions at the two depths it was possible to make an estimate of the contribution due to pair production which was relatively insensitive to systematic errors. For secondary energies in the range 0.1 to 5 GeV the results confirm the theoretical predictions for both knock-on and pair production to within about 15% in each case.

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Section: Introductionmentioning

confidence: 99%