Attenuation Length Karl Ahrendsen Buena Vista University Dr Chris Walter and Dr Kate Scholberg 1 Outline Super K gt Hyper K and why My Project Examining the attenuation length 2 Super K ID: 927948
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Comparing Super-K to Hyper-K:Attenuation Length
Karl AhrendsenBuena Vista UniversityDr. Chris Walter and Dr. Kate Scholberg
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Slide2OutlineSuper K -> Hyper K and why
My Project: Examining the attenuation length
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Slide3Super K(amiokaNDE)
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Kamiokande
-> Not big enough
More water = more chance to see proton decay
Super K’s
Resume
Discovery of neutrino oscillation
Proton
lifetime extension
Helped solve the solar
neutrino problem
Slide4Kamiokande
-> Not big enough
More water = more chance to see proton decay
Super K’s
Resume
Discovery of neutrino oscillation
Proton
lifetime extension
Helped solve the solar neutrino problem
Super K(
amiokaNDE
)
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Slide5A Bigger Detector: Hyper-K
Super K
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Slide6A Bigger Detector: Hyper-K
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Slide7A Bigger Detector: Hyper-K
50 kT -> 1 MT
11,000 in PMTs -> 99,000 in PMTs
$750 Million
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Slide8My Project: Comparing Super-K to Hyper-K
100%
Light
(Charge)
63%
L (q)
Attenuation Length
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Slide9A new way to measure distance
Hyper K still in infancy
From
Crosstank
to
Average Distance
Hyper K
d
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Slide10A Lesson in Data Cuts
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Cutting out background
Distance to wall
Angle to PMT
Time of Flight
Slide11Applying the Cuts
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Slide12Applying the Cuts
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Slide13Attenuation Length Results
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Slide14ConclusionHyper-K is the next big thing in neutrino research
The Hyper-K simulation provides a similar attenuation length to Super-K.
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