Speaker
Makoto Kobayashi
(KEK)
Description
We conducted a series of beam tests of prototype TPCs at the KEK PS using GEMs or
microMEGAS as a detection device. The prototypes were operated successfully under a
magnetic field of up to 1 tesla. Experimental results, such as pad response and
spatial resolution as functions of drift distance, are presented with a special
emphasis upon comparison to the expectations from an analytical calculation. The
spatial resolution in the whole drift region was found to be understood in terms of
pad pitch, diffusion, pad response function, and the effective number of electrons.
Author
Makoto Kobayashi
(KEK)
