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Köln 2004 – scientific programme

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HK: Physik der Hadronen und Kerne

HK 12: Poster Session: Instrumentation and Applications

HK 12.2: Poster

Tuesday, March 9, 2004, 13:30–15:30, Foyer

A Measurement System for Channeling Radiation at High Charge Densities* — •W. Bayer, H. Genz, A. Richter, and A. Zilges — Institut für Kernphysik, Technische Universität Darmstadt, Darmstadt, Germany

The objective of the project is to investigate if channeling radiation (CR) can be produced in crystals by high electron bunch charges, a topic of crucial importance in the realm of plasma acceleration [1]. It has been suggested to use channeling in solid state plasma acceleration in order to minimize beam spread [2]. So far, CR has been investigated in detail mainly for Si crystals [3,4]. Since diamond crystals may be even more suitable the current project is using diamond crystals and a radiation detector and data acquisition system that allows to record the spectral distribution of the CR in order to investigate the electron-crystal interaction in more detail. The system must be able to handle more than 106 counts per second. First measurements have been performed in order to test the system.
* supported by BMBF under contract 06DA915I and the DFG Graduiertenkolleg 410

[1] M.J. Hoogan et al., Phys. Rev. Lett. 90, 205002 (2003).

[2] P. Chen and R. Noble, p. 273 in Advanced Accelerator Concepts, eds. S. Chattopadhyay et al., AIP Press C398, New York (1997).

[3] W. Lotz et al., Nucl. Instr. Meth. Phys. Res. B48, 256 (1990).

[4] C.K. Gary et al., Nucl. Instr. Meth. Phys. Res. B51, 458 (1990).

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