A focussing disc DIRC for PANDA

Cowie, E.N. et al. (2011) A focussing disc DIRC for PANDA. Nuclear Instruments and Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment, 639(1), pp. 181-184. (doi:10.1016/j.nima.2010.09.132)

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Abstract

The PANDA experiment at the FAIR upgrade to GSI, Darmstadt, aims to study modern hadronic physics with unprecedented precision. Excellent particle identification of both charged and neutral particles is necessary to achieve the physics aims of PANDA. Two DIRC detectors are foreseen for charged particle identification, one in a barrel configuration for the central region, and the second in a disc configuration for the forward endcap. The design of the forward disc DIRC centres around the novel application of passive chromatic dispersion correction elements, allied with focussing optics, to achieve excellent resolution of Chernekov angle. A system of comprehensive prototype development will show the feasibility of the system. Key to the success of the prototype is fully understanding the production, transport and detection of the Cherenkov photons within the detector. Photon yield and its dependence on the polar angle of the detector have been measured. Observed photon yield is also the basis for subsequent studies into the benefit of chromatic dispersion correction elements, focussing and overall detector performance.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Hoek, Mr Matthias and Clarkson, Mr Anthony and Kaiser, Professor Ralf and Montgomery, Dr Rachel and Seitz, Dr Bjoern and Cowie, Dr Euan and Rosner, Professor Guenther
Authors: Cowie, E.N., Britting, A., Clarkson, A., Dodokhof, V.K., Düren, M., Dutta, D., Eyrich, W., Föhl, K., Glazer, D.I., Hayrapetyan, A., Hoek, M., Hohler, R., Kaiser, R., Keri, T., Koch, P., Kröck, B., Lehmann, A., Lehmann, D., Lumsden, S., Marton, J., Merle, O., Montgomery, R., Peters, K., Reinicke, S., Rosner, G., Roy, B., Schepers, G., Schmitt, L., Schwarz, C., Schwiening, J., Seitz, B., Sfienti, C., Suzuki, K., Uhlig, F., Vodopianov, A.S., Watts, D.P., and Yu, W.
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Nuclear Instruments and Methods in Physics Research. Section A: Accelerators, Spectrometers, Detectors, and Associated Equipment
Publisher:Elsevier B.V.
ISSN:0168-9002
ISSN (Online):1872-9576

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
490741Development of a Focussing Disc DIRC for PANDA at FAIRBjoern SeitzScience & Technologies Facilities Council (STFC)ST/H000321/1P&A - PHYSICS & ASTRONOMY