stage at tor vergata students-researchers june 13-17 2016 · alessia barili, l.c. socrate (roma)...
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Alessia Barili, L.C. Socrate (Roma)Riccardo Bizzi, L.S. Renato Cartesio (Olevano R.)Mattia Casadibari, ITIS Enrico Fermi (Frascati)Francesca Crocca, L.S. di Ceccano Francesca Di Luzio, L.S. Edoardo Amaldi (Roma)Valentina Filippone, L.S. Francesco D’Assisi (Roma)Elena Gasbarri, L.S. Ascanio Landi (Velletri)Sara Maggio, L.S. Bruno Touschek (Grottaferrata)Flavia Tomao. L.S. Edoardo Amaldi (Roma) 1
Stage at Tor VergataStudents-ResearchersJune 13-17 2016
Particle detectors to study Cosmic Rays
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• A little bit of theory
• RPC as the muon trigger in Atlas detector
• RPC performances with cosmic ray
• Atlas data analysis.
Summary
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Active physics and passive physics:two sides of the same coin!
• What happens with cosmic rays and with accelerators?
• What are the differences?
• What about the time?
• What can you see in the end? 3
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Which are these particles?
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How to detect these particles
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RPC telescope
• Experimental setup
• Layout and process
• Measurements
• Analysis and plot
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RPC1
RPC2
RPC3
AND
AND
RPC4
RPC1
RPC2
RPC3
RPC123
RPC1234Ԑ=!"#$%&'!"#$%&
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8
5
55
105
155
205
255
305
355
0 1 2 3 4 5 6 7 8 9
InA*10
HV(kV)
0
0,1
0,2
0,3
0,4
0,5
0,6
5,4 5,5 5,6 5,7 5,8 5,9 6 6,1 6,2 6,3 6,4 6,5
Ԑ
Ԑ=!"#$%&'!"#$%& HV(kV)
RPC efficiency
RPC current
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Counting rate as a function of detectors distance• Layout
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Counter
Scintillator
Photomultiplier
AB
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Counting rate as a function of detectors distance
1
101
201
301
401
501
0 10 20 30 40 50S(cm)
Counts
10
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Atlas data Analysis
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Conclusion or
beginning?