Measurement of the differential cross sections ofe + e −→γγ ande + e −→γγγ at $$sqrt s = 55,56,56.5$$ and 57 GeV and search for unstable photino pair production
- 1 June 1989
- journal article
- research article
- Published by Springer Nature in The European Physical Journal C
- Vol. 45 (2) , 175-191
- https://doi.org/10.1007/bf01674449
Abstract
No abstract availableKeywords
This publication has 41 references indexed in Scilit:
- A study of the three- and four-photon final states produced in e+e− annihilation at
s GeV Physics Letters B, 1988 - Excited Lepton searchPhysics Letters B, 1986
- Precision test of QED by direct comparison of e+e− → γγ and e+e− → e+e− at 29 GeVPhysics Letters B, 1986
- Search for spinless bosons in e+e− annihilationPhysics Letters B, 1985
- Limits on spin 0 bosons in e+e− annihilation up to 45.2 GeV CM energyPhysics Letters B, 1984
- Investigation of two photon final states in e+e− annihilation at <√s⪢ = 34.2 GeVPhysics Letters B, 1983
- Massive photinos: Unstable and interestingPhysics Letters B, 1981
- Measurement of e+e− → e+e− and e+e− → λλ at energies up to 36.7 GeVPhysics Letters B, 1981
- Measurement of the reaction e+e− → γγ at CMS energies from 9.4 to 31.6 GeVPhysics Letters B, 1980
- Test of quantum electrodynamics at PETRAPhysics Letters B, 1980