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1.1 Neutrinos from the sun 1. Introduction

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1 1.1 Neutrinos from the sun 1. Introduction
Achim Stahl, September 2017 Achim Stahl – RWTH Aachen University – JARA-FAME

2 Nuclear Fusion in the Sun
4 p+  4He + 2 e- + 2 e MeV Achim Stahl, September 2017

3 Fusion: Secondary Branches
Achim Stahl, September 2017

4 Neutrino Flux Achim Stahl, September 2017

5 Neutrino Flux Achim Stahl, September 2017

6 Fusion: CNO cycle Achim Stahl, September 2017

7 Fusion: CNO cycle Achim Stahl, September 2017

8 1.2 Neutrino flux 1. Introduction
Achim Stahl, September 2017 Achim Stahl – RWTH Aachen University – JARA-FAME

9 Neutrino Flux What ist the total flux? Achim Stahl, September 2017

10 Solar constant Achim Stahl, September 2017

11 Solar constant Achim Stahl, September 2017

12 Solar NeutrinoS Solar constant: 1360 𝐽 𝑠 𝑚 2 =8.5 10 15 𝑀𝑒𝑉 𝑠 𝑚 2
Neutrino flux: 𝜈 𝑠 𝑚 2 nuclear fusion produces neutrinos 5% accuracy ! origin of the discrepancy ?

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