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T: Teilchenphysik

T 410: Beschleuniger III

T 410.1: Group Report

Wednesday, March 29, 2006, 16:20–16:40, C2-03-527

Frictional Cooling Demonstration Experiment — •Daniel Greenwald, Daniel Kollár, and Allen Caldwell — Max-Planck-Institut für Physik, München, Germany

The greater mass of the muon (compared to that of the electron) and its point-like structure (compared to that of the proton) make a muon collider more advantageous than an electron or proton collider. The lack of a viable scheme for cooling muons—reducing beam emmitance while maintaining a high efficiency—presents the biggest obstacle to construction of such a collider.

We are investigating a frictional cooling scheme and an experiment is underway to demonstrate the frictional cooling principle on protons. This consists in measuring the energy of protons after they are accelerated through a gas cell by a constant electric field. A brief introduction to frictional cooling and the status of the experiment will be presented.