scholarly journals LEPTOQUARK PAIR PRODUCTION AT ep COLLIDERS

1994 ◽  
Vol 09 (32) ◽  
pp. 3007-3021 ◽  
Author(s):  
JOHANNES BLÜMLEIN ◽  
EDWARD BOOS ◽  
ALEXANDER PUKHOV

The pair production cross-section for scalar and vector leptoquarks at ep colliders is calculated for the case of photon-gluon fusion. In a model independent analysis we consider the most general C and P conserving couplings of gluons and photons to both scalar and vector leptoquarks described by an effective low-energy Lagrangian which obeys U (1) em × SU (3)c invariance. Numerical predictions are given for the kinematical regime at HERA and LEP ⊗ LHC .

1999 ◽  
Vol 456 (2-4) ◽  
pp. 310-321 ◽  
Author(s):  
P Abreu ◽  
W Adam ◽  
T Adye ◽  
P Adzic ◽  
Z Albrecht ◽  
...  

2005 ◽  
Vol 20 (14) ◽  
pp. 3177-3179
Author(s):  
◽  
TOBIAS GOLLING

A measurement of the [Formula: see text] production cross-section at [Formula: see text] with the DØ detector at the Fermilab Tevatron, based on the application of a multivariate topological method is presented. The integrated luminosity corresponds to 143.9 pb-1 in the μ+jets and 141.2 pb-1 in the e+jets channel. The preliminary cross-section is measured to be [Formula: see text].


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