Search results for "Positron" - New World Encyclopedia

From New World Encyclopedia

Page title matches

  • Positron emission tomography (PET) is a nuclear medicine imaging technique that produces a three-dimensional image or map of functional processes ...
    26 KB (3,835 words) - 05:46, 30 November 2022

Page text matches

  • a proton is converted into a neutron, a positron, and an electron neutrino ... ==β+ decay (positron emission) == Unstable atomic nuclei with an excess ...
    10 KB (1,458 words) - 17:45, 29 September 2023
  • an atom and insufficient energy to emit a positron. In such a case, a proton ... less than 1.022 mega electronvolt (MeV), positron emission is forbidden and ...
    5 KB (705 words) - 15:57, 13 February 2024
  • is electron capture (with some alpha and positron emission), and the primary ... the preferred compound for detectors in positron emission tomography (PET.) ...
    11 KB (1,371 words) - 03:06, 5 November 2022
  • is moving in the opposite direction to a positron in complex 'internal ... negative electron becomes a positive positron—and color charge—a red ...
    23 KB (3,458 words) - 06:25, 31 July 2023
  • :: Positron ( link=yes|Positron ) :: Antimuon ( link=yes|Antimuon ) :: Antitau ( ...
    16 KB (2,185 words) - 21:49, 28 September 2022
  • corresponding antiparticles (such as the positron or the electron antineutrino ... | Electron / Positron | e^- \, / \, e^+ | −1 / +1 | 0.511 ...
    8 KB (1,168 words) - 21:59, 25 October 2022
  • imaging by the technique called PET (positron emission tomography), and ... medical imaging by a technique known as positron emission tomography. ...
    14 KB (1,871 words) - 03:19, 4 September 2022
  • Positron emission tomography (PET) is a nuclear medicine imaging technique that produces a three-dimensional image or map of functional processes ...
    26 KB (3,835 words) - 05:46, 30 November 2022
  • other atoms to produce short-lived, positron-emitting isotopes suitable ... other atoms to produce short-lived positron-emitting isotopes suitable ...
    12 KB (1,883 words) - 06:53, 12 January 2024
  • Gamma rays of specific frequencies are produced during electron-positron ... converted into the mass of an electron-positron pair. A positron is the ...
    17 KB (2,579 words) - 07:44, 23 January 2023
  • of the electron is its antiparticle, the positron. Charged particles ... The antiparticle of the electron is the positron (see below). Electrons are ...
    10 KB (1,515 words) - 15:57, 13 February 2024
  • It is also used in detectors for positron emission tomography. == Applications == Bismuth and its compounds have many applications, a number ...
    14 KB (1,891 words) - 17:59, 31 October 2023
  • |style="background:#efefef"|Positron |e^+\, |+1\, ... The Large Electron-Positron Collider at CERN tested various predictions ...
    25 KB (3,578 words) - 16:25, 8 February 2023
  • been (and still are) used as probes--the positron was discovered in this way ... 3 km (2 miles) long. SLAC is an electron-positron collider. ...
    19 KB (2,915 words) - 18:45, 23 March 2023
  • Shortly after the discovery of the positron in cosmic ray products, ... blood. Fluorine-18 decays by releasing a positron whose life is soon ended ...
    30 KB (4,559 words) - 22:46, 7 December 2022
  • Polonium (chemical symbol Po, atomic number 84) is a rare, extremely toxic, and highly radioactive chemical element. It is found in small amounts ...
    11 KB (1,554 words) - 08:39, 24 November 2022
  • regularly separate into an electron and positron pair, which take off as ... the anti-neutrino, the anti-electron (or positron), and the anti-quarks. Antimatter ...
    20 KB (3,162 words) - 21:09, 26 February 2023
  • Astatine (chemical symbol At, atomic number 85) is the rarest naturally occurring chemical element. It is a member of the halogen family of elements ...
    6 KB (808 words) - 05:08, 18 August 2023
  • magnetic resonance imaging (MRI), and positron emission tomography (PET.) ... in medical imaging equipment such as positron emission tomography (PET ...
    13 KB (1,750 words) - 00:58, 21 October 2022
  • to these 12 particles. The antielectron (positron) antielectron ... | antielectron (positron) || antielectron || muon || antimuon || tauon ...
    18 KB (2,400 words) - 16:06, 13 February 2024

View (previous 20 | next 20) (20 | 50 | 100 | 250 | 500)