1969
DOI: 10.1103/physrevlett.23.729
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Cited by 31 publications
(7 citation statements)
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“…There may be some misterious source of background contaminating all these experiments... [96] E interessante lembrar que os físicos experimentais acreditavam que os W ± seriam leves (com massa da ordem do 5 GeV) mas no MPE deviam ser muito massivos, com massa acima dos 40 GeV para o W ± , e 80 GeV para o Z 0 [83]. Por outro lado, a procura experimental dos W ± usando a reação (7) dava um limite inferior de 2 GeV [97][98][99][100]. O curiosoé que Leite Lopes já havia dado argumentos independentemente do modelo de que, caso existessem, os W ± deveriam ter uma massa acima dos 35 GeV e o Z 0 uma massa acima de 60 GeV [42].…”
Section: Conclusõesunclassified
“…There may be some misterious source of background contaminating all these experiments... [96] E interessante lembrar que os físicos experimentais acreditavam que os W ± seriam leves (com massa da ordem do 5 GeV) mas no MPE deviam ser muito massivos, com massa acima dos 40 GeV para o W ± , e 80 GeV para o Z 0 [83]. Por outro lado, a procura experimental dos W ± usando a reação (7) dava um limite inferior de 2 GeV [97][98][99][100]. O curiosoé que Leite Lopes já havia dado argumentos independentemente do modelo de que, caso existessem, os W ± deveriam ter uma massa acima dos 35 GeV e o Z 0 uma massa acima de 60 GeV [42].…”
Section: Conclusõesunclassified
“…Following this logic, in 1965 Lederman and company stopped creating neutrinos at their facility and used it to smash 30-GeV protons from the AGS into uranium nuclei instead. So did many other groups at the AGS 19 and Argonne. 20 But again nothing turned up, and Lederman's group only managed to set a lower limit of 2 GeV on the W. 21 In 1966, a Japanese physicist spotted a flaw in this strategy of W hunting.…”
Section: Robert P Creasementioning
confidence: 99%
“…1. It is of interest to note that if the inequality (10) is valid, then the experimental limits on W production cited above 3 ments carried out at Stanford Linear Accelerator Center (SLAC), 10 have been put forward. In particular, Drell and Yan have developed a parton annihilation model which gives a reasonable oneparameter fit to the Brookhaven data and makes unambiguous extrapolation to higher energies.…”
Section: + R (Z)/d 3 Qdm] Isovectcx Is the Contribution To The Pair-pmentioning
confidence: 99%
“…3 (ii) The cross section for the single-photon production of lepton pairs will be symmetric under the exchange of Z + and V. On the other hand, one expects a large asymmetry between the cross sections for producing W* and W at least near threshold.…”
Section: + R (Z)/d 3 Qdm] Isovectcx Is the Contribution To The Pair-pmentioning
confidence: 99%