What is Particle detector: Definition and 13 Discussions

In experimental and applied particle physics, nuclear physics, and nuclear engineering, a particle detector, also known as a radiation detector, is a device used to detect, track, and/or identify ionizing particles, such as those produced by nuclear decay, cosmic radiation, or reactions in a particle accelerator. Detectors can measure the particle energy and other attributes such as momentum, spin, charge, particle type, in addition to merely registering the presence of the particle.

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  1. C

    A The fractional energy loss of charged particle per radiation length

    The figure usually has a caption that goes like this: "Fractional energy loss per radiation length as a function of electron or positron energy in lead," but I do not fathom is at (1/E)dE/dx =1, it seems like the particle is losing all of its energy at ~7MeV by ionisation. Therefore, I would not...
  2. B

    Timing Resolution Required In Particle Detector

    Homework Statement A beam on Pions, Kaons and Protons, all with momentum ##\mathrm{P} = 10 \mathrm{GeV}## and negligible angular divergence travels ##100 \mathrm{m}## before hitting a target. What is the required timing resolution of the detector so that pions and kaons can be distinguished...
  3. rageoveralostpenny

    I Possible ways to increase particle detector resolution?

    So I'm doing some research for a physics essay on particle accelerators and I don't want to go into too much mathematical detail (as I haven't studied statistics or higher level Physics at school yet), but I have googled a lot of things and nothing seems to come up for methods scientists are...
  4. D

    B No traces in cloud chamber (experimental physics)

    My setup: plastic box (~1l) with the cover painted black mat the bottom of the box covered with sponges saturated with ethyl alcohol (90%) to the limit (all over sponge capacity poured back to bottle) turned upside down and placed on ~0.5kg of dry ice. I can see a 'rain' of particles of...
  5. J

    High Voltage in a Cloud Chamber?

    Hello all! Firstly, thanks for reading this post! I am a high school student attempting to make a basic, dry ice cloud chamber. I have made several cloud chamber designs and I am about to start making it. However, before constructing the product I would appreciate some members to provide...
  6. D

    I Why can’t force-carrying particle (spin 0, 1, 2) be detected

    Why can’t force-carrying particles (spin 0, 1, 2) be detected by particle detector? Some have masses!
  7. CERN Alice Experiment

    CERN Alice Experiment

    10 min video for general public, describing the physics aims of the ALICE experiment: the study of the primordial state of matter, the quark gluon plasma and more.
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    • Category: Particle
  8. LHCb - The Beauty Experiment

    LHCb - The Beauty Experiment

    A short documentary on the LHCb experiment at CERN, on the quest for the mystery of Antimatter.
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    • Comments: 0
    • Category: Particle
  9. An introduction to the CMS Experiment at CERN

    An introduction to the CMS Experiment at CERN

    In this video, the CMS detector at CERN's Large Hadron Collider is introduced, describing its construction and history as well as its physics goals.
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    • Comments: 1
    • Category: Particle
  10. J

    Particles with electric charges visible to the human eye?

    Are there any particles known in the Physics world with an either positive or negative charge that can be viewed by the human eye under LED light illumination and have an attraction/repulsion to magnetism?
  11. Garlic

    Creating a Cloud Chamber for Deflecting Charged Particles

    Hello and thanks for reading Homework Statement I'm in high school. I chose my yearly project in physics, and wanted to make a cloud chamber. The subject is "deflection of charged particles in a magnetic field", so I must set a magnet alongside the cloud chamber. I've prepared for it, bought...
  12. T

    Particle Detector: How Many (e-, ion) Pairs Are Created?

    A particle with 900 keV get into the detector and was fully absorbed, how many pair of (e-, ion) are created if one pair required an average of 30 eV.? 900000/30 = 30,000 is this a right answer?
  13. B

    Calculating Dark Matter Events in Xenon | 100 GeV, 0.3 GeV/cm3

    Assume that the density of dark matter near the Earth is 0.3 GeV / cm3 and that the dark matter particle has a mass of 100 GeV and a velocity of 200 km/s. If the dark matter-nucleon cross section is 10-44cm2 calculate how many events you would expect to see every year in a metre cubed volume of...
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