PPT-Minimum Bias Trigger Scintillators

Rachel Hyneman UMCERNREU 2014 The MBTS An Overview One of the triggers available on ATLAS detector Comprised of a set of scintillating panels located near endcaps of the detector perpendicular to the beam line . Matthew Mendonca. Woodside High . School. Mentor. : Dr. . Doug Higinbotham and Lawrence . Selvy. Abstract. The particles that make up the nucleus of an atom are so infinitesimally small that it takes a detector of large magnitude in order to predict where protons and neutrons are located. This certain device requires the construction and utilization of one-meter-long rectangular plastic bars called scintillators. Attached to the left and right ends of each bar are Photomultiplier Tubes (PMTs) and bases with outlets for high voltage and signal wires. In experiments, there is a thick wall of lead positioned in front of the detector which excludes nearly all charged particles and permits primarily neutrons to enter and react with the nuclei inside the bars. When charged particles do pass through the scintillators, photons are released and bounce around until they reach a light guide and are collected by the PMTs. Within these there is liberation of electrons which in turn provide an analog signal to the electronics. A data acquisition system (DAQ) comprised of ADCs (Analog-to-Digital Converters) and TDCs (Time-to-Digital Converters) then store the data into files for later replay and analysis. By doing so, we can better measure the type of particle detected, it’s trajectory, and the amount of energy that it deposits. To ensure that these complex apparatuses are working at an acceptable level, scientists manipulate the constant flux (100 particles/m. Selection bias Information bias Confounding bias Bias is an error in an epidemiologic study that results in an incorrect estimation of the association between exposure and outcome. Is present when th (♯). K. Oleg . Eyser. 29. th. Workshop on. Nuclear Dynamics. Squaw Valley, CA, Feb. 3-10, 2013. The Proton Spin Structure. What is the connection to orbital angular momentum?. Transversity. ↔ tensor charge . Tujuan. . Pembelajaran. Mampu membuat database or system event trigger . Mampu menjelaskan dan mendemokan mutating table pada trigger . Mampu menjelaskan dan mendemokan . Instead. of . T. rigger . System . C. hicago. C. harts. . Day. TA: Increasing alpha. 1. Philip B. Erlanger, CMT. Phil Erlanger Research Co., Inc.. October 17, . 2012. © . 2012 . Phil Erlanger Research Co., Inc.. Erlanger . Studies on Bloomberg . When radiation interacts with certain types of materials, it produces flashes of light (scintillation). Materials that respond this way are called scintillators.. These flashes can be collected and counted to obtain a measure of the radiation intensity.. Alexandre Camsonne. Workshop on . Future. . Trends in . Nuclear Physics Computing. March 17. th. 2016. JLab DAQ . specifics. Almost . continuous. . machine : 499 MHz repetition rate usually prevents to trigger on beam crossing like at collider usually trigger on detector. Global Trigger (. AU). , TTC… (CERN). Global . Muon. Trigger (. AU). , Global Calorimeter Trigger (UK). Drift Tube Track Finder (IT,GR,ES), CSC Track Finder (US), . RPC Trigger (IT,PL), Regional Calorimeter Trigger (. Runs . at Fermilab. Rework of the LYSO setups. . a. use 50 mm x 3x3 mm. 2. LYSO crystals. . b. Set up a . “. slab. ” . of four such crystals. . A. two are for a setup similar to the . University . of . Wisconsin - Madison. 2016/17 CMS Level-1 Trigger. *install in 2017. *. Not shown – fiber optic splitting and patch panels. *. *. Operations 2016. Started the year with the most of the legacy trigger in for one MWGR, . . AsyEos-II experiment. Forward. Wall. . set-up for the ASY-EOS II experiment . Problem. :. several devices controlled by different DAQ. . Envisaged. :. a common trigger for all subsystems, a common DAQ supervisor (probably the local DAQ (MBS ?) . Sridhara . Dasu. U. . Wisconsin . – . Madison. Outline. :. General Introduction to Detector Trigger & DAQ. Introduction . to LHC Trigger & DAQ. Challenges & Architecture. LHC Experiments Trigger . J. Huston. Michigan State University. Reminder. The MBTS counters were somewhat of an afterthought, with thinking/plans not started until ~2004. The idea was that it was very useful/critical to have a trigger signal for the early running of ATLAS, such that we would know which crossings had interactions (at very low luminosity). A novel gamma-ray detector configuration. Roi . Rahin*. Department of Physics, Technion. For . the. GALI collaboration. . *Ramon fellow by the Israeli Ministry of Science and Technology.. Background - Gamma ray bursts.