CMS-TOTEM Precision Proton Spectrometers CT-PPS

The CMS-TOTEM Precision Proton Spectrometer, CT-PPS, is an approved project to add 3D silicon tracking and quartz Cherenkov timing detectors in Roman pots at z = +/- 210 m from the CMS collision point to study final states p + X + p. The central state X can be a W-pair from photon-photon interactions, a set of high-ET jets from gluon collisions, among others, with M(X) obtained directly as well as from the two outgoing protons. The project is designed to operate at high luminosity, with up to about 30 interactions per 25 ns bunch crossing, and to be fully operational for physics in 2016.