Cross Sections for Nonelastic Interactions of 14-Mev Neutrons with Various Elements

Graves, E. R.; Davis, R.W.

doi:10.1103/physrev.97.1205

Cited by 89 publications

(3 citation statements)

References 22 publications

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“…The two-component theory requires non-identity of neutrino (helicity -1) and antineutrino (helicity + l ) , where the former is defined as the neutral particle emitted in p' decay and the latter as that emitted in pdecay. Such non-identity was consistent with the enormously long mean life of nuclei undergoing double p decay (see 5 8) and also with the experiment of Davis et a1 (1955) who attempted to observe the reaction…”

supporting

confidence: 80%

Lepton spectroscopy

Bullock¹,

Devenish²

1983

Rep. Prog. Phys.

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The complete body of knowledge of the lepton spectrum as it is known today is presented and critically examined. Whilst the emphasis is primarily on the experimental determination of leptonic properties, we also summarise the many theoretical endeavours that have enriched and guided the field, and continue so to do. Complete accounts are given of the current situation on neutrino mass determination, o n neutrino oscillations and on the properties of the tau and search for its associated neutrino. The subject of lepton conservation is discussed and all the experimental evidence for non-conservation collected together. The search for leptons other than those belonging to the three familiar generations is reviewed. Finally, a brief account is given of the limits on leptonic properties imposed by cosmological arguments.

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supporting

confidence: 80%

Lepton spectroscopy

Bullock¹,

Devenish²

1983

Rep. Prog. Phys.

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“…Experimental determinations of the total inelastic scattering cross section have not been reported (an upper limit of 730 260 mb has been given by Graves and Davis [4]). Measurements on the (n,2n) cross section have resulted in different values.…”

Section: Introductionmentioning

confidence: 99%

Gamma-ray Lines from (n,2n) and (n,n') Reactions in Radiogenic and Natural Lead

Jönsson¹

1970

Phys. Scr.

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Discrete γ-ray lines emitted after (n,2n) and (n,n') reactions in radiogenic and natural lead at 15.5 MeV neutron energy have been studied. Differential 120° cross sections have been determined relative to the cross section for the ground state transition from the 4.44 MeV level of 12C populated through inelastic scattering. The (n,2n) and (n,n') contributions to the cross sections for the most dominant γ-ray lines in 206Pb and 207Pb have been separated. Upper and lower limits of the cross sections for (n,2n) and (n,n') reactions in lead are estimated. The results indicate that the statistical theory of nuclear reactions fails to give a correct description of neutron emission processes in lead at 15 MeV neutron energy.

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“…O método consistia em observar a luz de cintilação produzida pelo pósitron da reação de decaimento beta inverso, seguida, alguns microsegundos depois, pelo raio gama da captura do nêutron em um alvo de cádmio. Em um experimento separado, a reação: , não foi observada [14] . Este f ato se dá porque o neutrino e o antineutrino são partículas diferentes ( e e ν ≠ ν…”

Section: X(?)unclassified

Detecção de "upward-going" múons no experimento LVD

Santos¹

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Cross Sections for Nonelastic Interactions of 14-Mev Neutrons with Various Elements

Cited by 89 publications

References 22 publications

Lepton spectroscopy

Lepton spectroscopy

Gamma-ray Lines from (n,2n) and (n,n') Reactions in Radiogenic and Natural Lead

Detecção de "upward-going" múons no experimento LVD

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