Rutherford's Scattering Experiment

Rutherford's alpha scattering experiment XD

Alpha particle is also helium's nucleus. It's basically shooting alpha particles at a very, very thin gold foil.

i. Most alpha particles pass through the gold foil with little deflection
> The size of atomic nucleus is very small compared to size of atom.
ii. Less than 1% of alpha particles are deflected at large angles more than 90 degree (those are the ones that come near to the gold nucleus)
> mass of atom is concentrated at a small, massive, positively charged nucleus.

[Alpha particle is positively charged so it'll be repelled by positive nucleus when it gets close to it.]

[粒子物理] 电子、光子

Particle physics 相关 =P

Electron

Lepton | Fermion

电子 | 轻子 | 费米子

略悲观………………………Negatively charged
平时喜欢独处………………Pauli Exclusion Principle & Hund's Rule
挺容易走失/被拐（X）……deflected by electric/magnetic field
因此需要光（Electronic transition）需要Electric field引导这样///
对纯净美好的事物带着憧憬。……与光源息息相关——Excited electrons emit light when it falls back to ground state.
一直习惯安静地待在电子轨域中，认识光子后才憧憬着到原子以外的世界去游历。貌似也见证着元素间的契合。 ……Involved in chemical bonding XD

P/S Pauli Exclusion Principle > no two electrons can have the same four electronic quantum numbers;
Hund's Rule > When there is more than 1 orbitals with same energy level, electrons will occupy the orbitals singly with parallel spins before pairing up.
就是 Forever alone (X

^ Pair production中诞生的样子（？（请别问positron在哪 XD

Photon

Gauge boson

光子 | 规范波色子

设定中光子的身躯是半透明的，翅膀会微微发光。翅膀与能量息息相关，被粒子——比如电子吸收后自身会消失而在对方身后形成一对翼。当电子跃迁到较低的能级，翅膀就会碎成流光，光子一被释放出来，就会飞走///

主观觉得会是温和纯净的存在w