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STUDY OF THE LOW MASS DIMUON CONTINUUM PRODUCED IN HADRONIC INTERACTIONS

The NA3 collaboration Badier, J. ; Boucrot, J. ; Bourotte, J. ; et al.
Phys.Lett.B 142 (1984) 446, 1984.
Inspire Record 199414 DOI 10.17182/hepdata.30530

We present here the analysis of low mass dimuon events (1.8 < M μμ < 2.6 GeV / c 2 ) produced by positive and negative pion and proton beams at 200 GeV / c . Using the difference between the π - and the π + cross sections, and comparing to the Drell-Yan model, we find a K -factor of 2.47 ± 0.5. Only about 1 2 of the events can be attributed to the Drell-Yan mechanism. If the remaining events are attributed to muonic decays of D mesons we findan upper limit for the cross section of charmed meson production.

2 data tables
Table 1

No description provided.

Table 2

No description provided.