Search for high mass narrow resonances in virtual photon photon interactions

The TPC / TWO GAMMA collaboration Aihara, H. ; Alston-Garnjost, M. ; Avery, R.E. ; et al.
Phys.Rev.Lett. 57 (1986) 3245-3248, 1986.
Inspire Record 239032 DOI 10.17182/hepdata.20201

We report on the first search with virtual photon-photon collisions for narrow, neutral resonances with even C parity in the mass range 4.5

1 data table

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A STUDY OF NONCOLLINEAR TWO CHARGED PARTICLE EVENTS PRODUCED IN 29-GeV ELECTRON - POSITRON ANNIHILATION

Perl, Martin L. ; Muller, L. ; Barklow, T. ; et al.
Phys.Rev.D 34 (1986) 3321, 1986.
Inspire Record 223166 DOI 10.17182/hepdata.23431

This paper presents a study of events produced in 29-GeV electron-positron annihilation in which there are just two noncollinear charged particles, no detected photons, and two or more undetected particles. These events can be explained by attributing them primarily to the reactions e+e−→e+e−e+e− and e+e−→e+e−μ+μ− where just two particles appear in the Mark II detector. There is no evidence for unconventional sources for such events.

9 data tables

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