推 KBmax: alpha decay happens when the nuclear force, which is th 09/26 01:10
→ KBmax: e complication of the strong interaction, cannot compen 09/26 01:10
→ KBmax: sate the electrostatic repulsion between protons. There 09/26 01:10
→ KBmax: fore it’s a phenomenon at nuclear level, while the bet 09/26 01:10
→ KBmax: a decay, which is governed by weak interaction, is sort 09/26 01:10
→ KBmax: of process at fundamental particle level. 09/26 01:10
推 KBmax: roughly speaking, beta decay happens “inside” the nuc 09/26 01:20
→ KBmax: leons, where strength of weak interaction is still cons 09/26 01:20
→ KBmax: iderable, but alpha decay happens outside nucleons and 09/26 01:20
→ KBmax: inside a nuclei, where weak interaction is negligible. 09/26 01:20
→ KBmax: So we can rule out the weak interaction in alpha decay 09/26 01:20
→ KBmax: process. 09/26 01:20
→ KBmax: reminder: the range of weak interaction is about 1/Mw~ 09/26 01:21
→ KBmax: 0.0025 fm, while the nuclear force range is about 1 fm 09/26 01:21
→ KBmax: which is the size of a nuclei. 09/26 01:21
→ Hall123: 了解 所以是在核內跟核外差異 09/26 01:49