Homestake Atmospheric Flux John LoSecco University of Notre Dame - - PowerPoint PPT Presentation

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Homestake Atmospheric Flux John LoSecco University of Notre Dame - - PowerPoint PPT Presentation

Homestake Atmospheric Flux John LoSecco University of Notre Dame February, 2016 Honda 2014 Flux Made for many locations Asked for Homestake mine No mountain From 100 MeV to 10 TeV Compare to Sudbury Unoscillated spectrum


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SLIDE 1

Homestake Atmospheric ν Flux

John LoSecco University of Notre Dame February, 2016

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SLIDE 2

Honda 2014 Flux

◮ Made for many locations ◮ Asked for Homestake mine ◮ No mountain ◮ From 100 MeV to 10 TeV

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SLIDE 3

Compare to Sudbury – Unoscillated spectrum

1 −

10 1 1 File Name lly-20-01-solmaOne lly-20-01-solmaOne

Raw Neutrino Flux

1 −

10 1 1 File Name lly-20-01-solmaOne lly-20-01-solmaOne

Raw Neutrino Flux

1 −

10 1

1 −

10 File Name lly-20-01-solmaOne lly-20-01-solmaOne

Raw Neutrino Flux

1 −

10 1

1 −

10 File Name lly-20-01-solmaOne lly-20-01-solmaOne

Raw Neutrino Flux

Black is SNO and Red in Homestake: νµ ¯ νµ νe ¯ νe Loglog plot barely distinguishable

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SLIDE 4

Compare to Sudbury – Energy and Zenith – CC Events

Raw CC Rate

0.2 0.4 0.6 0.8 1 1 − 0.8 − 0.6 − 0.4 − 0.2 − 0.2 0.4 0.6 0.8 1 File Name lly-20-01-solmaOne lly-20-01-solmaOne

Raw CC Rate Raw CC Rate

0.2 0.4 0.6 0.8 1 1 − 0.8 − 0.6 − 0.4 − 0.2 − 0.2 0.4 0.6 0.8 1 File Name lly-20-01-solmaOne lly-20-01-solmaOne

Raw CC Rate

0.2 0.4 0.6 0.8 1 1 − 0.8 − 0.6 − 0.4 − 0.2 − 0.2 0.4 0.6 0.8 1 File Name lly-20-01-solmaOne lly-20-01-solmaOne

Raw CC Rate

0.2 0.4 0.6 0.8 1 1 − 0.8 − 0.6 − 0.4 − 0.2 − 0.2 0.4 0.6 0.8 1 File Name lly-20-01-solmaOne lly-20-01-solmaOne

Raw CC Rate

Black is SNO and Red is Homestake: νµ ¯ νµ νe ¯ νe Contour plot of CC event rates barely distinguishable

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SLIDE 5

Compare to Soudan – Unoscillated spectrum

1 −

10 1

2 −

10

1 −

10 1 File Name lly-20-01-solmaOne x10_0401z

Raw Neutrino Flux

1 −

10 1

2 −

10

1 −

10 1 File Name lly-20-01-solmaOne x10_0401z

Raw Neutrino Flux

1 −

10 1

2 −

10

1 −

10 File Name lly-20-01-solmaOne x10_0401z

Raw Neutrino Flux

1 −

10 1

2 −

10

1 −

10 File Name lly-20-01-solmaOne x10_0401z

Raw Neutrino Flux

Red is Soudan (Gaisser) and Black is Homestake (Honda): νµ ¯ νµ νe ¯ νe Loglog plot

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SLIDE 6

Compare to Soudan – Energy and Zenith – CC Events

Raw CC Rate

0.2 0.4 0.6 0.8 1 1 − 0.8 − 0.6 − 0.4 − 0.2 − 0.2 0.4 0.6 0.8 1 File Name lly-20-01-solmaOne x10_0401z

Raw CC Rate Raw CC Rate

0.2 0.4 0.6 0.8 1 1 − 0.8 − 0.6 − 0.4 − 0.2 − 0.2 0.4 0.6 0.8 1 File Name lly-20-01-solmaOne x10_0401z

Raw CC Rate

0.2 0.4 0.6 0.8 1 1 − 0.8 − 0.6 − 0.4 − 0.2 − 0.2 0.4 0.6 0.8 1 File Name lly-20-01-solmaOne x10_0401z

Raw CC Rate

0.2 0.4 0.6 0.8 1 1 − 0.8 − 0.6 − 0.4 − 0.2 − 0.2 0.4 0.6 0.8 1 File Name lly-20-01-solmaOne x10_0401z

Raw CC Rate

Red is Soudan (Gaiser) and Black is Homestake (Honda): νµ ¯ νµ νe ¯ νe Contour plot of CC event rates barely distinguishable

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SLIDE 7

Event rates (Sol Max)

RawCCnum Entries 2020 Mean 4.468 RMS 53.23

1 −

10 1 10

2

10

3

10

4

10 1 2 3 4 5 6 7 8 9 RawCCnum Entries 2020 Mean 4.468 RMS 53.23

Raw CC Rate

RawCCnum Entries 2020 Mean 4.468 RMS 53.23

1 −

10 1 10

2

10

3

10

4

10

3 −

10

2 −

10

1 −

10 1 10 RawCCnum Entries 2020 Mean 4.468 RMS 53.23

Raw CC Rate

MuOsc Entries 4040 Mean 5.771 RMS 64.88

1 −

10 1 10

2

10

3

10

4

10 1 2 3 4 5 6 MuOsc Entries 4040 Mean 5.771 RMS 64.88

Osc Mu Rate

MuOsc Entries 4040 Mean 5.771 RMS 64.88

1 −

10 1 10

2

10

3

10

4

10

3 −

10

2 −

10

1 −

10 1 10 MuOsc Entries 4040 Mean 5.771 RMS 64.88

Osc Mu Rate

Top unoscillated, Bottom oscillated Linear scale on left and log on

  • right. From top down νµ νe ¯

νµ ¯ νe ντ ¯ ντ

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SLIDE 8

Topography – Not in Honda Calculation

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SLIDE 9

Shared in DocDB

◮ Honda estimate of the atmospheric flux at Homestake

DocDB-1037

◮ Topographical map of Homestake DocDB-1038