Accelerator Neutrino Experiments: No?a, Minos, T2k, Miniboone, Lsnd, Numi, Karmen, Miner?a

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  • ISBN: 9781157282686
  • Author: Books, LLC
  • Publ Date: 2010-05-29
  • Edition:
  • Pages: 36
  • Imprint:
  • Status:
  • ID - 64731

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Purchase includes free access to book updates online and a free trial membership in the publisher's book club where you can select from more than a million books without charge. Excerpt: NOA (NuMI Off-Axis e Appearance) is a proposed particle physics experiment designed to detect neutrinos in Fermilab's NuMI (Neutrinos at the Main Injector) beam. Intended to be the successor to MINOS, NOA will consist of two detectors, one at Fermilab (the near detector), and one in northern Minnesota (the far detector). Neutrinos from NuMI will pass through 810 km of Earth to reach the far detector. NOA's main goal is to observe the oscillation of muon neutrinos to electron neutrinos. By observing how many neutrinos change from one type to the other, NOA hopes to accomplish three things: Neutrino oscillation is parameterized by the PMNS matrix and the mass squared differences between the neutrino mass eigenstates. Assuming that three flavors of neutrinos participate in neutrino mixing, there are six variables that affect neutrino oscillation: the three angles 12, 23, and 13, a CP-violating phase, and any two of the three mass squared differences. There is currently no compelling theoretical reason to expect any particular value of, or relationship between, these parameters. 23 and 12 have been measured to be non-zero by several experiments but the most sensitive search for non-zero 13 by the CHOOZ collaboration yielded only an upper limit. No measurement of has been made. The absolute values of two mass squared differences are known, but because one is very small compared to the other, the ordering of the masses has not been determined. Oscillation probabilities, ignoring matter effects and assuming 13 is near the current limit. NOA will observe the first peak.NOA will be an order of magnitude more sensitive to 13 than any previous detector. It will measure it by searching for the transition in the Fermilab NuMI beam. If a non-zero value o... More: http: //booksllc.net/?id=6499353


 

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