Total Cross-Section for Hadron Production by e+ e- Annihilation at PETRA Energies
- Bartel, W.
- Canzler, T.
- Naroska, B.
- O'Neill, L. H.
- Olsson, J.
- Steffen, P.
- Yen, W. L.
- Elsen, E.
- Helm, M.
- Petersen, A.
- Riege, H.
- Warming, P.
- Cords, D.
- Weber, G.
- Drumm, H.
- Farr, W.
- Heintze, J.
- Heinzelmann, G.
- Heuer, R. D.
- von Krogh, J.
- Lennert, P.
- Matsumura, H.
- Nozaki, T.
- Dittmann, P.
- Rieseberg, H.
- Wagner, A.
- Allison, John
- Armitage, J.
- Duerdoth, I.
- Loebinger, F.
- Macbeth, A.
- Mills, H.
- Mercer, D.
- Murphy, P. G.
- Eichler, R.
- Prosper, H.
- Stephens, K.
- Darvill, D. C.
- Foster, F.
- Hughes, G.
- Wriedt, H.
- Clarke, D.
- Goddard, M. C.
- Hedgecock, R.
- Marshall, R.
- Felst, R.
- Pearce, G. F.
- Imori, M.
- Kobayashi, T.
- Komamiya, S.
- Koshiba, M.
- Minowa, M.
- Orito, S.
- Sato, A.
- Suda, T.
- Takeda, H.
- Gadermann, E.
- Totsuka, Y.
- Watanabe, Y.
- Yamada, S.
- Yanagisawa, C.
- JADE Collaboration
- Haidt, D.
- Kawabata, S.
- Krehbiel, H.
DOIAbstract
The cross section for the process e + e − → multihadrons has been measured at the highest PETRA energies. We measure R (the total cross section in units of the point-like e + e - → μ + μ - cross section) to be 2.9 ± 0.7, 4.0 ± 0.5, 4.6 ± 0.4 and 4.2 ± 0.6 at s of 22, 27.7, 30 and 31.6 GeV, respectively. The observed average multiplicity, together with existing low energy data, indicate a rapid increase in multiplicity with increasing energy
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