Higgs Bosons Phenomenology in the Higgs Triplet Model
Higgs Bosons Phenomenology in the Higgs Triplet Model
Higgs Bosons Phenomenology in the Higgs Triplet Model
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Neutr<strong>in</strong>o Mass<br />
Oscillation experiments only sensitive to neutr<strong>in</strong>o<br />
mass differences:<br />
i) ∆M 2 atm ∼ 10−3 eV 2 (= M)<br />
ii) ∆M 2 sol ∼ 10−5 eV 2 (= m)<br />
O<strong>the</strong>r experiments constra<strong>in</strong> <strong>the</strong> absolute neutr<strong>in</strong>o mass<br />
• Neutr<strong>in</strong>oless double beta decay, Cosmological observations..<br />
• Tritium beta decay (H 3 → He 3 + e − + νe): mνe < 2.2 eV<br />
Much lighter than charged fermion masses (me = 0.5 MeV)