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Abstract
The NA62 experiment at CERN aims to measure the branching ratio of the ultra-rare charged kaon decay View the MathML sourceK+→π+νν¯ with a 10% accuracy and with a background contamination at the 10% level. Since the branching ratio of this decay is O(10−10), to fulfill such request one of the main backgrounds, the decay K+→μ+νK+→μ+ν (BR~63%~63%), must be suppressed by a rejection factor of 4×10−13 (assuming 10% signal acceptance). This can be partially accomplished using a combination of kinematical cuts (8×10−6) and the different power of penetration through matter of pions and muons (10−5). A further 5×10−3 suppression factor will be provided by a RICH detector, in a momentum range between 15 and 35 GeV/c. The details of the RICH project as well as the results from test runs performed on a RICH prototype of the same length of the final detector will be presented. The current status of the construction and the description of the final readout and trigger electronics will also be reviewed.
Original language | English |
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Pages (from-to) | 1-4 |
Journal | Nuclear Instruments & Methods in Physics Research. Section A. Accelerators, Spectrometers, Detectors |
Volume | 766 |
Early online date | 22 Jul 2014 |
DOIs | |
Publication status | Published - 1 Dec 2014 |
Keywords
- Cherenkov radiation
- RICH
- Kaon physics
- Rare decays
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Dive into the research topics of 'The RICH detector of the NA62 experiment at CERN'. Together they form a unique fingerprint.Projects
- 1 Finished
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Ernest Rutherford Fellowship : Dr Antonio Sergi - Development of the NA62 Detector and Search for New Physics with Kaon Decays
Sergi, A. (Principal Investigator)
SCIENCE & TECHNOLOGY FACILITIES COUNCIL
25/03/13 → 24/03/18
Project: Research Councils