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Past Reactor Experiments (Some Lessons From History)

Past Reactor Experiments (Some Lessons From History). Stuart Freedman University of California at Berkeley and Lawrence Berkeley National Laboratory. Enrico Fermi. Inverse Beta Decay Cross Section and Spectrum. The first proposal for a neutrino experiment didn’t use a reactor.

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Past Reactor Experiments (Some Lessons From History)

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  1. Past Reactor Experiments (Some Lessons From History) Stuart Freedman University of California at Berkeley and Lawrence Berkeley National Laboratory

  2. Enrico Fermi

  3. Inverse Beta Decay Cross Section and Spectrum

  4. The first proposal for a neutrino experiment didn’t use a reactor

  5. Poltergeist: the largest scintillator in the world

  6. 235U fission Neutrino Spectra from Principal Reactor Isotopes

  7. First Direct Detection of the Neutrino n m n

  8. Backgrounds!

  9. 20 m KamLAND 4 m Chooz 1m Long Baseline Reactor Neutrino Experiments Poltergeist

  10. Correlated Backgrounds from External Neutrons Palo Verde

  11. Spallation Produced Radio-Isotopes in Liquid Scintillator

  12. Bugey

  13. Gosgen

  14. 32 mwe • 12 ton, Gd loaded, scintillating target • 3 reactors: 11.6 GW • Baselines 890 m and 750 m • Expected rate of ~50 evts/day Palo Verde

  15. Palo Verde

  16. Chooz

  17. Underground Vault for Chooz • • 5 ton, Gd loaded, scintillating target • 300 mwe • 2 reactors: 8.5 GWl • Baselines 1115 m and 998 m • Expected ~25 evts/day

  18. CHOOZ

  19. Chooz

  20. KamLAND Kamioka Liquid-Scintillator Anti-Neutrino Detector

  21. KamLAND Underground Laboratory

  22. from 12C(n, g ) tcap = 188 +/- 23 msec

  23. Systematic Uncertainties % Total LS mass 2.1 Fiducial mass ratio 4.1 Energy threshold 2.1 Tagging efficiency 2.1 Live time 0.07 Reactor power 2.0 Fuel composition 1.0 Time lag 0.28 e spectra 2.5 Cross section 0.2 Total uncertainty 6.4 % E > 2.6 MeV

  24. d2 d1 Detector 2 Detector 1 Reactor Experimental Design

  25. Reactor q13 France Russia USA Japan China

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