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About O(TeV)

  1. Sep 7, 2014 #1
    I saw a sign in particle physics ;O(1 TeV) and O(1 pb^-1). TeV is unit of energy and pb^-1 is unit of cross scetin I wonder why these signs are putting into parahenthesis
  2. jcsd
  3. Sep 7, 2014 #2


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    Gold Member

  4. Sep 7, 2014 #3


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    Staff: Mentor

    More explicitly, "order of magnitude" (power of ten), i.e. "probably greater than 0.1 TeV and less than 10 TeV"
  5. Sep 7, 2014 #4
    thanks for answers
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