Download - Rainer HipplerMuSTAnG1 Muon Spaceweather Telescope for Anisotropies Greifswald - MuSTAnG -
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Rainer Hippler MuSTAnG 1
Muon Spaceweather Telescope for Anisotropies
Greifswald - MuSTAnG -
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Rainer Hippler MuSTAnG 2
International CooperationWith financial support by ESA
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Rainer Hippler MuSTAnG 3
Co-Authors
A. Mengel, U Greifswald, GermanyF. Jansen, 1A Greifswald, GermanyG. Bartling, 1A Greifswald, GermanyW. Göhler, HTS Coswig, GermanyK. Munakata, Shinshu University, JapanS. Yasue, Shinshu University, JapanC. Kato, Shinshu University, JapanM. Duldig, AAD Hobart, AustraliaE. Flückiger, U Bern, SwitzerlandG. Kolbe, AUS Stralsund, GermanyK. Kudela, IEP-SAS, Slovakia
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Rainer Hippler MuSTAnG 4
Greifswald Home town of Caspar David Friedrich
Marktplatz
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Rainer Hippler MuSTAnG 5
Physics in Greifswald
2006
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Rainer Hippler MuSTAnG 6
Wendelstein-7-X Greifswald
Large Stellarator for Fusion Research
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Rainer Hippler MuSTAnG 7
Spaceweather Storms
Coronal mass ejections (CME) provide hazards to the earth environment, in particular to satellites, and to power lines on ground.
Reliable spaceweather forecast required.
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Rainer Hippler MuSTAnG 8
Precursor Storm Signals
-5
-4
-3
-2
-1
0
1
248 250 252 254 256
(%)
day of year
SSC (01:39UT 9/9 1992)
Nagoya V (60GV)
Misato V (145GV)
Sakashita V (331GV)
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Rainer Hippler MuSTAnG 9
MuSTAnG
Muon Spaceweather Telescope for Anisotropies at Greifswald
Multi-directional muon telescope for spaceweather forecasting
Stage 1: 2 × 16 = 32 detectors of 0.25 m2 size each
Stage 2: Extensions to up to 2 × 36 = 72 detectors foreseen
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MuSTAnG: phase 1 (4m2)
Upper detector layer
Lead layer
Lower detector layer
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Viewing directions
Viewing directions are defined by the passage of a single muon through one upper and one lower detector.
upper layer
lower layer
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Rainer Hippler MuSTAnG 12
MuSTAnG: phase 1 (4m2)
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Rainer Hippler MuSTAnG 13
Asymptotic viewing directions
Location: Greifswald
13 (of 49) Viewing directions:V, N, E, S, W
Detector size: 0.25 m2
Rigidity spectrum: 50-150 GV
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Detector element (4 × 0.25 = 1 m2)
Detector box: 4 scintillator plates each with 17 wavelength-shifting fibres connected to P30A photomultiplier modules
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Scintillator/WLS fibre/PMT
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P30A module
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MuSTAnG
Detector boxes
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Scintillator
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Scintillator plates with wavelength-shifting fibres
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Detected muons (single)
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Detected muons (coincident)
Upper detector-lower detector coincidences (0.0625 m2)
T: 3600 sP: 25698B: 182
S: (7.088±0.045)/s0.63 %
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Measured statistical accuracy
0°: 23000/h x 16 = 0.16 % 30°: 14000/h x 12 = 0.24 %
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Accuracy Requirement: counts/hour/direction: 1% or better
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Rainer Hippler MuSTAnG 24
Integration of MuSTAnG into existing muon telscope network
MuSTAnG will be part of an international muon telescope network:
Nagoya (Japan) Hobart (Australia) Sao Martinho (Brazil) Bartol (USA)
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Rainer Hippler MuSTAnG 25
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Rainer Hippler MuSTAnG 27
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Rainer Hippler MuSTAnG 28
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Rainer Hippler MuSTAnG 29
University of Greifswald
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Rainer Hippler MuSTAnG 30