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The Belle II Experiment at SuperKEKB

The Belle II Experiment at SuperKEKB. Leo Piilonen, Virginia Tech. ... with an acknowledgement to my colleagues for their contributions. Brookhaven Forum May 2013. 1. 2. growing at ≈100/year. growing at ≈100/year. growing at ≈100/year. Belle physics output (compiled by Simon Eidelman).

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The Belle II Experiment at SuperKEKB

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  1. The Belle II Experiment at SuperKEKB Leo Piilonen, Virginia Tech ... with an acknowledgement to my colleagues for their contributions Brookhaven Forum May 2013 1

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  3. growing at ≈100/year growing at ≈100/year growing at ≈100/year Belle physics output (compiled by Simon Eidelman) # citations ➨ # papers ➨ 375 papers published plus ≈30/year 3

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  7. 7 See Tom Browder’s and Dave Hitlin’s talks

  8. adapted from G. Isidori et al., Ann. Rev. Nucl. Part. Sci. 60, 355 (2010) 8

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  10. Search for New Physics at Belle II • Precision CKM unitarity tests • NP effects in B decays with missing energy, such as • LFV in B • and decays • FCNC (via virtual • heavy particles in loops) • Charm studies • (including exotica) • Dark-sector particles “A unified and unbiased attack on new physics” – Tom Browder 10

  11. SuperKEKB is the intensity frontier 40x higher luminosity than KEKB 1036 Peak luminosity trends at e+e– colliders KEKB Luminosity (cm–2 s–1) PEP-II 11

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  13. L Nano-Beam Scheme (without crab) present KEKB Half crossing angle: φ Hourglass condition: βy*>~ L=σx/φ 1μm SuperKEKB 100μm 22 mrad crossing angle 5mm ~50nm 1μm 100μm 5mm 83 mrad crossing angle 13 12

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  20. 1.2 MW CW klystron 20

  21. Positron Damping Ring (new) 21

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  26. S/N ~ 40 26

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  42. We welcome new collaborators! Open collaboration meeting on July 4–7 at Virginia Tech 42

  43. We welcome new collaborators! Open collaboration meeting on July 4–7 at Virginia Tech 43

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