Abstract
We perform a detailed analysis of the potentiality of the CERN Large Hadron Collider to study the single production of leptoquarks via $p\stackrel{\ensuremath{\rightarrow}}{p}{e}^{\ifmmode\pm\else\textpm\fi{}}\stackrel{\ensuremath{\rightarrow}}{q}$ leptoquark $\ensuremath{\rightarrow}{e}^{\ifmmode\pm\else\textpm\fi{}}q,$ with ${e}^{\ifmmode\pm\else\textpm\fi{}}$ generated by the splitting of photons radiated by the protons. Working with the most general $\mathrm{SU}{(2)}_{L}\ensuremath{\bigotimes}\mathrm{U}{(1)}_{Y}$ invariant effective Lagrangian for scalar and vector leptoquarks, we analyze in detail the leptoquark signals and backgrounds that lead to a final state containing an ${e}^{\ifmmode\pm\else\textpm\fi{}}$ and a hard jet with approximately balanced transverse momenta. Our results indicate that the LHC will be able to discover leptoquarks with masses up to 2--3 TeV, depending on their type, for Yukawa couplings of the order of the electromagnetic one.
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