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Phenomenology of the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi>B</mml:mi><mml:mo>−</mml:mo><mml:mn>3</mml:mn><mml:mi>L</mml:mi></mml:mrow><mml:mrow><mml:mi>τ</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:math>gauge boson
Assuming the existence of a gauge boson $X$ which couples to ${B\ensuremath{-}3L}_{\ensuremath{\tau}},$ we discuss the present experimental constraints on ${g}_{X}$ and ${m}_{X}$ from $\stackrel{\ensuremath{\rightarrow}}{Z}{l}^{+}{l}^{\ensuremath{-}}$ and $\stackrel{\ensuremath{\rightarrow}}{Z}\overline{f}fX(f=q,{\ensuremath{\nu}}_{\ensuremath{\tau}},\ensuremath{\tau}).$ We also discuss the discovery potential of $X$ at hadron colliders through its decay into ${\ensuremath{\tau}}^{+}{\ensuremath{\tau}}^{\ensuremath{-}}$ pairs. In the scenario where all three charged …