Anomalous Single Production of the Fourth Generation Quarks at Future $ep$ and $\gamma p$ Colliders

Possible anomalous single productions of the fourth standard model generation up and down type quarks at LHC based ep and γp colliders are studied. Some decay channels are considered. Signatures for signals an d corre- sponding standard model backgrounds are discussed. Discovery limi ts for quark mass and achievable values of anomalous coupling strength are determined