Planck Scale Flavour Steve King La Thuile, 22nd March, 2019 Electroweak Scale
Flavour Problem t u d c e s b
H H ν L ν L ν R
Type Ia seesaw h H u i h H u i m ν = m D M − 1 R m T D M R ν L ν R ν R ν L m D m D Minkowski,Yanagida,Gell-Mann,Slansky,Ramond Y ν Y ν
Type Ib seesaw h H u i ⟨ ˜ h H u i erent Higgs double H d ⟩ ublet ˜ H d = − i σ 2 H ú d , models where the m ν = m D 1 M − 1 R m T D 2 M R ν L ν R ν R ν L m D 1 m D 2 Y ν Hernandez-Garcia and SFK 1903.01474 Y ν
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sha1_base64="7pHeS3rhwMPmetZEondZhILQZ3s=">AB8nicbVBNS8NAEN34WetX1aOXYBE81aQKeix68VjBfkAby2Y7aZdudsPuRCihP8OLB0W8+mu8+W/ctjlo64OBx3szMwLE8ENet63s7K6tr6xWdgqbu/s7u2XDg6bRqWaQYMpoXQ7pAYEl9BAjgLaiQYahwJa4eh26reQBu5AOEwhiOpA84oyilTrwmPFqN+HnF5NeqexVvBncZeLnpExy1Hulr25fsTQGiUxQYzq+l2CQUY2cCZgUu6mBhLIRHUDHUkljME2O3ninlql70ZK25LoztTfExmNjRnHoe2MKQ7NojcV/M6KUbXQcZlkiJINl8UpcJF5U7/d/tcA0MxtoQyze2tLhtSTRnalIo2BH/x5WXSrFZ8r+LfX5ZrN3kcBXJMTsgZ8ckVqZE7UicNwogiz+SVvDnovDjvzse8dcXJZ47IHzifP6mzkNU=</latexit> <latexit sha1_base64="7pHeS3rhwMPmetZEondZhILQZ3s=">AB8nicbVBNS8NAEN34WetX1aOXYBE81aQKeix68VjBfkAby2Y7aZdudsPuRCihP8OLB0W8+mu8+W/ctjlo64OBx3szMwLE8ENet63s7K6tr6xWdgqbu/s7u2XDg6bRqWaQYMpoXQ7pAYEl9BAjgLaiQYahwJa4eh26reQBu5AOEwhiOpA84oyilTrwmPFqN+HnF5NeqexVvBncZeLnpExy1Hulr25fsTQGiUxQYzq+l2CQUY2cCZgUu6mBhLIRHUDHUkljME2O3ninlql70ZK25LoztTfExmNjRnHoe2MKQ7NojcV/M6KUbXQcZlkiJINl8UpcJF5U7/d/tcA0MxtoQyze2tLhtSTRnalIo2BH/x5WXSrFZ8r+LfX5ZrN3kcBXJMTsgZ8ckVqZE7UicNwogiz+SVvDnovDjvzse8dcXJZ47IHzifP6mzkNU=</latexit> � SFK 1304.6264, 1512.07531 Littlest Seesaw (Type Ia) b 0 ✓ M atm ◆ 0 M R = m D = a 3 b m ν = m D M − 1 R m T 0 M sol a b D ~ max. atm & max. CPV 0 0 0 1 3 1 due to ~ mu-tau symmetry e i 2 π / 3 + m b 0 1 1 3 9 3 m ν = m a SFK, Nishi 1807.00023 0 1 1 1 3 1 SFK, Zhou 1901.06877 4.0 Predicted (NO m 1 =0) 1 σ range 3.5 θ 12 / � 34 . 254 → 34 . 350 3.0 χ 2 /d.o.f. = 2 . 07 / 3 θ 13 / � 8 . 370 → 8 . 803 m b [ meV ] ~45 θ 23 / � 45 . 405 → 45 . 834 � 13 2.5 2 ∆ m 122 / 10 � 5 eV 2 � m 21 7 . 030 → 7 . 673 2 � m 31 ∆ m 312 / 10 � 3 eV 2 2.0 2 . 434 → 2 . 561 -90 δ / � − 88 . 284 → − 86 . 568 1.5 Ballett, SFK, Pascoli, Y B / 10 � 10 0 . 839 → 0 . 881 Prouse, Wang 1612.01999 1.0 15 20 25 30 35 SFK, Molina Sedgwick, Rowley 1808.01005 m a [ meV ]
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