On the origin of inclusive electron events in $e^+$$e^−$ annihilation between 3.6 and 5.2 G$eV$

Brandelik, R.; Orito, S.; Kötz, U.; Gadermann, E.; Poelz, G.; McNeely, W. A.; Kreinick, D.; Braunschweig, W.; Hultschig, H.; Von Gagern, Ch.; DASP Collaboration; Yamada, S.; Grindhammer, G.; Cords, D.; Petersen, A.; Martyn, H.-U.; De Boer, W.; Ludwig, J.; Ringel, J.; Joos, P.; Sturm, W.; Mess, K. H.; Wallraff, W.; Oberlack, H.; Fues, W.; Felst, R.; Wilk, B. H.; Schliwa, M.; Krehbiel, H.; Kotthaus, R.; Suda, T.; Notz, D.; Schmüser, P.; Koch, W.; Buschhorn, G.; Totsuka, Y.; Sauerberg, K.; Moffeit, K. C.; Gunderson, B.; Sander, H. G.; Römer, O.; Fries, R.; Lynch, H. L.; Rüsch, R.; Wolf, G.; Lierl, H.; Schmitz, D.

doi:10.1016/0370-2693(77)90360-4

Report/Journal Article

PUBDB-2017-02466

On the origin of inclusive electron events in $e^+$$e^−$ annihilation between 3.6 and 5.2 G$eV$

Brandelik, R. ; Braunschweig, W. ; Martyn, H.-U. ; Sander, H. G. ; Schmitz, D. ; Sturm, W. ; Wallraff, W. ; Cords, D. ; Felst, R. ; Fries, R. ; Gadermann, E. ; Hultschig, H. ; Joos, P. ; Koch, W. ; Kötz, U. ; Krehbiel, H. ; Kreinick, D. ; Lynch, H. L. ; McNeely, W. A. ; Moffeit, K. C. ; Notz, D. ; Rüsch, R. ; Schliwa, M. ; Wilk, B. H. ; Wolf, G. ; Grindhammer, G. ; Ludwig, J. ; Mess, K. H. ; Petersen, A. ; Poelz, G. ; Ringel, J. ; Römer, O. ; Sauerberg, K. ; Schmüser, P. ; De Boer, W. ; Buschhorn, G. ; Fues, W. ; Von Gagern, C. ; Gunderson, B. ; Kotthaus, R. ; Lierl, H. ; Oberlack, H. ; Orito, S. ; Suda, T. ; Totsuka, Y. ; Yamada, S. ; DASP Collaboration (Collaboration author)DESY*

1977
North-Holland Publ. Amsterdam

Physics letters / B 70(1), 125 - 131 (1977) [10.1016/0370-2693(77)90360-4]

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Please use a persistent id in citations: doi:10.1016/0370-2693(77)90360-4

Report No.: DESY-77-036

Abstract: The multiplicity distribution of inclusive electron events above 4 GeV cm energy shows two distinct classes of events: two prong no photon and high multiplicity events. If the high multiplicity events are attributed to the semi-leptonic decay of charmed particles the two prong no photon events must come from the weak decay of a different type of particle. The charged K to π ratio was measured for these events. The average number of charged kaons is 0.07 ± 0.06 per two prong event and 0.90 ± 0.18 per multiprong event. Thus the weak current responsible for the low multiplicity events has a small coupling to strange particles.

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