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A What are singular and double seesaw?

  1. Jun 24, 2017 #1
    I have just started reading about neutrino physics and recently came across two terms called double seesaw and singular seesaw. Although I’m familiar with other seesaw mechanisms (such as type-I and II) for explaining smallness of neutrino mass. I’m completely at dark about double and singular seesaw. If someone can help me understand those it would be great.
  2. jcsd
  3. Jun 28, 2017 #2


    Staff: Mentor

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