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Radiation background - ATLAS-MPX data vs. simulations

Radiation background - ATLAS-MPX data vs. simulations. Stanislav Pospisil , Jaroslav Solc , Michal Suk, Daniel Turecek and Zdenek Vykydal Institute of Experimental and Applied Physics , CTU in Prague, Horská 3a/22, 12800 Praha 2, Czech Republic Claude Leroy and Paul Soueid

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Radiation background - ATLAS-MPX data vs. simulations

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  1. Radiation background -ATLAS-MPX data vs. simulations Stanislav Pospisil, Jaroslav Solc, Michal Suk, Daniel Turecek and Zdenek Vykydal Institute ofExperimental and AppliedPhysics, CTU in Prague, Horská 3a/22, 12800 Praha 2, Czech Republic Claude Leroy and Paul Soueid Université de Montréal, Montréal (Québec), H3C 3J7, Canada ATLAS-MPX collaboration

  2. Low Energy Transfer Particles comparison Calibrated response of ATLAS-MPX (Czech Metrological Institute) : • 60Co - (1.95±0,16)E-10 Gy/track • 137Cs - (1.42±0,07)E-10 Gy/track Simulated response of ATLAS-MPX to LETP particles: • Input data for MPX01 from Charlie Young applied by JaroslavSolc to the detailed model of ATLAS-MPX response (including all convertors, box, simplified electronics, etc.). The calculated quantities are: • number of particles of each type entered the sensor chip (i.e. particle flux) • number of electrons which deposited in the sensor chip energy > 7 keV (i.e., number of (registered) tracks; no upper energy limit to treat the particle as LETP so far) • the sum of energy deposited by each electron in the sensor chip (energy > 7 keV, i.e. dose) • Subsequently it is possible to find simulated response: • number of electron tracks caused by photons entering the device (i.e. electron tracks caused by electrons created inside the device) • number of electron tracks caused by electrons entering the device • dose-to-silicon per electron track Z. Vykydal - Radiation background - ATLAS-MPX data vs. simulations

  3. Low Energy Transfer Particles comparison Calibrated response of ATLAS-MPX (Czech Metrological Institute): • 60Co - (1.95±0,16)E-10 Gy/track • 137Cs - (1.42±0,07)E-10 Gy/track Simulated response of ATLAS-MPX to LETP particles: • Number of LETP tracks caused by each type of primary particles entering the device: • 74% of tracks caused by primary electrons • 25% of tracks caused by primary photons • 1% of tracks caused by primary neutrons • Dose-to-track ratio: 1.82E-10 Gy/track Z. Vykydal - Radiation background - ATLAS-MPX data vs. simulations

  4. Topics to discuss in Prague • High Energy Transfer particles to dose calculation • Charged hadrons • Ions • Neutrons • How to interpret MIP signal • Interpretation of HETP for understanding ofSEE • contact person for ATLAS • How to access and use ATLAS-MPX data • see short demonstration by Daniel Turecek Z. Vykydal - Radiation background - ATLAS-MPX data vs. simulations

  5. ATLAS-MPX upgrade 2013-2014 • Timepix chip • Direct energy deposition • Time of arrival of the particles (ToF) • Multilayer detector concept • Better particle identification • Directional sensitivity • More advanced cluster analysis Z. Vykydal - Radiation background - ATLAS-MPX data vs. simulations

  6. Detailsof Prague meeting • Date: 15 - 17.2.2011 • Place: IEAP CTU, Horská 3a/22, Praha 2 • www.utef.cvut.cz • Accomodation: • http://www.usemika.cz • http://www.hotelunion.cz • http://www.kingcharles.cz/ Z. Vykydal - Radiation background - ATLAS-MPX data vs. simulations

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