Measurement of the reactione + e −→μ + μ − for $$14 \leqq \sqrt S \leqq 36.4$$ GeV
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Measurement of the reactione + e −→μ + μ − for $$14 \leqq \sqrt S \leqq 36.4$$ GeV

CELLO Collaboration,H. J. Behrend,Ch. Chen,H. Fenner,J. H. Field,V. Schröder,H. Sindt,G. D'agostini,W. D. Apel,S. Banerjee,J. Bodenkamp,D. Chrobaczek,J. Engler,G. Flügge,D. C. Fries,W. Fues,K. Gamerdinger,G. Hopp,H. Kuster,H. Müller,H. Randoll,G. Schmidt,H. Schneider,W. Boer,G. Buschhorn,G. Grindhammer,P. Grosse-Wiesmann,B. Gunderson,C. Kiesling,R. Kotthaus,U. Kruse,H. Lierl,D. Lüers,T. Meyer,H. Oberlack,P. Schacht,M. J. Schachter,A. Snyder,G. Carnesecchi,P. Colas,A. Cordier,M. Davier,D. Fournier,J. F. Grivaz,J. Haissinski,V. Journé,A. Klarsfeld,F. Laplanche,F. Diberder,U. Mallik,J. J. Veillet,R. George,M. Goldberg,B. Grossetête,O. Hamon,F. Kapusta,F. Kovács,G. London,L. Poggioli,M. Rivoal,R. Aleksan,J. Bouchez,G. Cozzika,Y. Ducros,A. Gaidot,S. Jadach,Y. Lavagne,J. Paméla,J. P. Pansart,F. Pierre;CELLO Collaboration;H. J. Behrend;Ch. Chen;H. Fenner;J. H. Field;V. Schröder;H. Sindt;G. D'agostini;W. D. Apel;S. Banerjee;J. Bodenkamp;D. Chrobaczek;J. Engler;G. Flügge;D. C. Fries;W. Fues;K. Gamerdinger;G. Hopp;H. Kuster;H. Müller;H. Randoll;G. Schmidt;H. Schneider;W. Boer;G. Buschhorn;G. Grindhammer;P. Grosse-Wiesmann;B. Gunderson;C. Kiesling;R. Kotthaus;U. Kruse;H. Lierl;D. Lüers;T. Meyer;H. Oberlack;P. Schacht;M. J. Schachter;A. Snyder;G. Carnesecchi;P. Colas;A. Cordier;M. Davier;D. Fournier;J. F. Grivaz;J. Haissinski;V. Journé;A. Klarsfeld;F. Laplanche;F. Diberder;U. Mallik;J. J. Veillet;R. George;M. Goldberg;B. Grossetête;O. Hamon;F. Kapusta;F. Kovács;G. London;L. Poggioli;M. Rivoal;R. Aleksan;J. Bouchez;G. Cozzika;Y. Ducros;A. Gaidot;S. Jadach;Y. Lavagne;J. Paméla;J. P. Pansart;F. Pierre;
the european physical journal c 1982 Vol. 14 pp. 283-288
177
pierre1982themeasurement

Abstract

The reaction (e+e−→μ+μ−) has been measured between\(\sqrt S = 14.0\) and\(\sqrt S = 36.4\). The total cross section result is in good agreement with the QED prediction and the following Λ values have been obtained:Λ+=186 GeV,Λ−=101 GeV. The angular distribution at high energy (\(\left( {\left. {\left\langle {\sqrt S } \right.} \right\rangle = 34.2 GeV} \right)\)) shows a fitted charge asymmetry of −0.064±0.064 in agreement with theW-S model prediction of −0.092, corresponding to an axial coupling parametera2=4g a 2=0.69±0.69.

Keywords

quantum field theory angular distribution model prediction field theory elementary particle

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DOI:
10.1007/bf01578647
URL:
https://sciprofiles.com/publication/view/65951e020...

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