Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1995-06-15
Physics
High Energy Physics
High Energy Physics - Phenomenology
7 pages of text (including one table and figure captions) in standard LATEX. Four figures in one PS file prepared by the scrip
Scientific paper
We study a possibility to measure the anomalous magnetic moment of vector leptoquarks in reactions with single leptoquark production associated with hard photon emission in ep collisions. For this purpose we propose to use the radiative amplitude zero effect. We find that an exact radiative zero in the angular distribution of the emitted photon is present only for pure Yang-Mills coupling of photons to leptoquarks. As a result the cross section is sensitive to the anomalous magnetic moment kappa of the leptoquark. This effect offers a possibility to measure kappa with rather high accuracy. For LEP+LHC we establish upper bounds in the plane leptoquark mass--anomalous magnetic moment.
Ilyin Valery
Pukhov Alexander
Savrin V.
Schlippe von W.
Semenov Alexander
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