PICOSEC: Charged particle timing at sub-25 picosecond precision with a Micromegas based detector

J. Bortfeldt 1 F. Brunbauer 1 C. David 1 D. Desforge 2 G. Fanourakis 3 J. Franchi 1 M. Gallinaro 4 I. Giomataris 2 D. Gonzalez-Diaz 5 T. Gustavsson 6 C. Guyot 2 F. Iguaz 2 M. Kebbiri 2 P. Legou 2 J. Liu 7 M. Lupberger 1 O. Maillard 2 I. Manthos 8 H. Muller 1 V. Niaouris 8 E. Oliveri 1 T. Papaevangelou 2 K. Paraschou 8 M. Pomorski 9 B. Qi 7 F. Resnati 1 L. Ropelewski 1 D. Sampsonidis 8 T. Schneider 1 P. Schwemling 2 L. Sohl 1 M. Van Stenis 1 P. Thuiner 1 Y. Tsipolitis 10 S. Tzamarias 8 R. Veenhof 1 X. Wang 7 S. White 1 Z. Zhang 7 Y. Zhou 7
1 CERN - European Organization for Nuclear Research
2 IRFU - Institut de Recherches sur les lois Fondamentales de l'Univers
3 NCSR - National Center for Scientific Research "Demokritos"
4 Faculdade de Ciencias da Universidade de Lisboa
5 USC - Universidade de Santiago de Compostela [Spain]
6 DICO - Biomolécules Excitées
IRAMIS - Institut Rayonnement Matière de Saclay, LIDyl - Laboratoire Interactions, Dynamique et Lasers (ex SPAM)
7 USTC - University of Science and Technology of China [Hefei]
8 Department of Physics [Thessaloniki]
9 LCD-LIST - Laboratoire Capteurs Diamant
DM2I - Département Métrologie Instrumentation & Information : DRT/LIST/DM2I
10 NTUA - National Technical University of Athens [Athens]
Abstract : The prospect of pileup induced backgrounds at the High Luminosity LHC (HL-LHC) has stimulated intense interest in developing technologies for charged particle detection with accurate timing at high rates. The required accuracy follows directly from the nominal interaction distribution within a bunch crossing ( cm, ps). A time resolution of the order of 20–30 ps would lead to significant reduction of these backgrounds. With this goal, we present a new detection concept called PICOSEC, which is based on a “two-stage” Micromegas detector coupled to a Cherenkov radiator and equipped with a photocathode. First results obtained with this new detector yield a time resolution of 24 ps for 150 GeV muons, and 76 ps for single photoelectrons
Keywords : Timing algorithms Picosecond timing MPGD Micromegas Photocathodes
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Journal articles
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https://hal-cea.archives-ouvertes.fr/cea-01894436
Contributor : Caroline Lebe <>
Submitted on : Friday, October 12, 2018 - 2:06:32 PM
Last modification on : Monday, May 13, 2019 - 11:14:16 AM

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CEA | DSM-IRAMIS | CEA-UPSAY | IRAMIS-LIDYL | DSM-IRFU | DRT | CEA-DRF | LIST | UNIV-PARIS-SACLAY | DM2I

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J. Bortfeldt, F. Brunbauer, C. David, D. Desforge, G. Fanourakis, et al.. PICOSEC: Charged particle timing at sub-25 picosecond precision with a Micromegas based detector. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Elsevier, 2018, 903, pp.317 - 325. ⟨10.1016/j.nima.2018.04.033⟩. ⟨cea-01894436⟩

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