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Jakub Skowronski
Reaction atlas · Proton–proton chains

Radioactive decay · pp-III

8B(β+ν)8Be

: boron‑8 → beryllium‑8 + positron + neutrinoHow to read the notation

8B decays to 8Be, which at once breaks into two 4He nuclei; the neutrinos of this decay are the high-energy solar neutrinos seen by Homestake, Super-Kamiokande and SNO.

Facts

Reaction rates
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Q-value · energy released
17.980 MeV
Q includes positron annihilation (2mec² = 1.022 MeV). Without it, 16.958 MeV is shared by the positron and the neutrino.
Half-life of 8B
772 ms
Kind
Radioactive decay

On the timeline

  1. 1964Bahcall proposes a solar neutrino experiment with chlorine
  2. 1968Davis detects solar neutrinos, and the solar neutrino problem begins
  3. 1989Kamiokande-II sees 8B solar neutrinos
  4. 2002SNO shows that solar neutrinos change flavour

How to cite this page

J. Skowronski, 8B(β+ν)8Be, in Reaction atlas, 2026-10-12, https://jskowron.eu/atlas/8B-bp-8Be.

Cite the date you used; it is the last change to this page.

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