A general top system of two free dimensions with parameter is studied and the four cases satisfied by the frequency of the system are discussed.Using the multip
STF is a superconducting RF test facility constructed at the high energy accelerator research orga-nization of Japan (KEK), as a main part of a R&D project for
The HERMES time-of-flight (TOF) system is used for proton identification, but must be carefully calibrated for systematic biases in the equipment. This paper pr