Recent results on prototype aerogel threshold counters for particle identification in the region 0.5 — 4.3 GeV/c for the BaBar experiment

Abstract : The main goal of the BaBar experiment is to study CP violation. In order to achieve this program we need a good $\pi$/K separation up to 4.3 GeV. To increase the detector capabilities we proposed to extend the particle identification in the forward region. With the development of new low density silica aerogel and powerful photodetectors able to work inside strong magnetic fields we have chosen an aerogel threshold counter, with two different refractive indices. Two designs readout by two different photo-detectors have been tested.
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Communication dans un congrès
F.L. Navarria, P.G. Pelfer. 6th Topical Seminar On Experimental Apparatus For Particle Physics And Astrophysics, May 1996, San Miniato Al Todesco, Italy. 54B, pp.381-386, 1997, <10.1016/S0920-5632(97)00138-2>


http://hal.in2p3.fr/in2p3-00024246
Contributeur : Claudine Bombar <>
Soumis le : mardi 14 juin 2005 - 17:06:10
Dernière modification le : mercredi 20 juillet 2016 - 10:05:24

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R. Lafaye. Recent results on prototype aerogel threshold counters for particle identification in the region 0.5 — 4.3 GeV/c for the BaBar experiment. F.L. Navarria, P.G. Pelfer. 6th Topical Seminar On Experimental Apparatus For Particle Physics And Astrophysics, May 1996, San Miniato Al Todesco, Italy. 54B, pp.381-386, 1997, <10.1016/S0920-5632(97)00138-2>. <in2p3-00024246>

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