Abstract
The average hadronic multiplicity in the ψ(1S) decay, via the mode ψ→ggg, is studied in the framework of Quantum Chromodynamics. We test the predictions of perturbative QCD working to\(O(\sqrt {\alpha _s } )\) in the coupling constant.
Similar content being viewed by others
References
S. Herb et al.: Phys. Rev. Lett. 39 (1977) 252
C.W. Darden et al.: Phys. Lett. 76B (1978) 246; 78B (1978( 368; 80B (1979) 419; Ch. Berger et al.: Phys. Lett. 76B (1978) 243; J.K. Bienlein et al.: Phys. Lett. 78B (1978) 360; D. Androvs et al.: Phys. Rev. Lett. 44 (1980) 1108; 45 (1980) 219; T. Böhringer et al.: Phys. Rev. Lett. 44 (1980) 1111; 45 (1980) 222
Ch. Berger et al.: Phys. Lett. 86B (1979) 418
F.H. Heimlich et al.: Phys. Lett. 86B (1979) 399
A.H. Mueller: Phys. Lett. 104B (1981) 161; B.I. Ermolaev, V.S. Fadin: JETP Lett. 33 (1981) 269; Yu. L. Dokzhitzer, V.S. Fadin, V.A. Khoze: Phys. Lett. 115B (1982) 242; Z. Phys. C — Particles and Fields 15 (1982) 325; Z. Phys. C — Particles and Fields 18 (1983) 37; A. Bassetto, M. Ciafaloni, G. Marchesini, A.H. Mueller: Nucl. Phys. B207 (1982) 189
A.H. Mueller: Nucl. Phys. B213 (1983) 85; B228 (1983) 351; B241 (1984) 141
J.B. Gaffney, A.H. Mueller: Nucl. Phys. B250 (1985) 109; E.D. Malaza, B.R. Webber: Nucl. Phys. B267 (1986) 702
A. Bassetto, M. Ciafaloni, G. Marchesini: Phys. Rep. 100 (1983) 202; Ya. I. Azimov, Yu. L. Dokshitzer, V.A. Khoze, S.I. Troyan: Leningrad Nuclear Physics Institute preprint 1051 (1985)
G. Marchesini, B.R. Webber: Nucl. Phys. B238 (1983) 1
D. Amati et al.: Nucl. Phys. B173 (1980) 429; G. Marchesini, L. Trentadue, G. Veneziano: Nucl. Phys. B 181 (1981) 335
Yu. L. Dokshitzer et al.:[5]. V.S. Fadin: Yad. Fiz. 37 (1983) 408
T.A. De Grand et al.: Phys. Rev. D16 (1977) 3251; K. Koller, T. Walsh: Phys. Lett. 72B (1977) 227; 73B (1978) 504; Nucl. Phys. B140 (1978) 449; H. Fritzsch, K.H. Streng: Phys. Lett. 74B (1978) 90; K. Hagiwara: Nucl. Phys. B137 (1978) 164
B.R. Webber: University of Cambridge preprint HEP 84/1
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Malaza, E.D. QCD average hadronic multiplicity in the ψ(1S) decay. Z. Phys. C - Particles and Fields 36, 507–511 (1987). https://doi.org/10.1007/BF01573949
Received:
Issue Date:
DOI: https://doi.org/10.1007/BF01573949