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Primary Cosmic Rays the multi TeV challenge

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the multi TeV challenge Roberto Battiston Gamma-400 Workshop Trieste May 2-5 2013 AMS e Lead foil (1mm) Fibers ( 1mm) Calorimeter (ECAL) A precision, 3-D measurement ... – PowerPoint PPT presentation

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Title: Primary Cosmic Rays the multi TeV challenge


1
Primary Cosmic Rays the multi TeV challenge
Roberto Battiston Gamma-400 Workshop Trieste May
2-5 2013
2
AMS
3
Calorimeter (ECAL)
A precision, 3-D measurement of the directions
and energies of light rays and electrons up to 1
TeV
50,000 fibers, f 1 mm distributed uniformly
Inside 600 kg of lead Total 17 X0
e
4
AMS-ECAL Energy Resolution
10.4/vE 1.4
5
AMS-ECAL Angular Resolution
6
(No Transcript)
7
A new phenomena has occurred
10
8
(No Transcript)
9
Positron fraction
Data
Fit to Data with Model
e energy GeV
?2/d.f. 28.5/57
The agreement between the data and the model
shows that the positron fraction spectrum is
consistent with e fluxes each of which is the
sum of its diffuse spectrum and a single common
power law source.
10
FERMI
11
HERD baseline design
12
(No Transcript)
13
(No Transcript)
14
HERD - HCAL
15
(No Transcript)
16
(No Transcript)
17
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18
ICE-CREAM
19
DAMPE
20
CALET
21
GAMMA-400
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