Recent questions and answers in Particle Physics

+101 votes

0 answers

The way I’ve been taught nothing travels faster than light, but is there actually some kind of particle of special energy that can?

answered May 25, 2023 in Particle Physics by mark lowry

+80 votes

0 answers

In particle physics, could there be a Galaxy with no life in it that has never been observed that does not exist until it is seen in the telescope as it was 1 billion years ago so now it exists 1 billion years ago?

answered May 25, 2023 in Particle Physics by CelestialPulse

+3 votes

0 answers

Can something behave as both a particle and a wave at the same time? If so, how would you describe it mathematically?

answered May 25, 2023 in Particle Physics by b4xtr

+20 votes

0 answers

Is the smallest particle that humans know of actually the smallest particle or is it just the smallest humans know of?

answered May 24, 2023 in Particle Physics by stressrissoles

+62 votes

0 answers

Can you tell the difference between regular matter and antimatter by just looking at them (e.g. no scientific apparatus)?

answered May 24, 2023 in Particle Physics by amarok88

+15 votes

0 answers

Why do we need missing antimatter when it is simpler to assume it never existed?

answered May 23, 2023 in Particle Physics by StellarVerse

+73 votes

0 answers

How did it come about that protons are more massive than electrons despite having almost identical charge? Are protons and electrons' masses really only different by one part in ten thousand?

answered May 22, 2023 in Particle Physics by Eddie Collman

+18 votes

0 answers

How do you calculate a particle's mass from its speed and momentum?

answered May 21, 2023 in Particle Physics by CDplayer

+24 votes

0 answers

What is the Hamiltonian of a particle in one dimension?

answered May 21, 2023 in Particle Physics by CrystalTwilight

+10 votes

0 answers

If the light photon is a "massless" particle that has momentum, does that mean it's just an 'energy wave'?

answered May 21, 2023 in Particle Physics by nk

+270 votes

0 answers

.How to see neutrinos?

answered May 21, 2023 in Particle Physics by ancilenet (3.4k points)

+77 votes

0 answers

Is there any acceptable theory or evidence for exchange of information between two entangled particles?

answered May 21, 2023 in Particle Physics by SeraphicVerse

+67 votes

0 answers

What is the smallest possible particle that cannot be split any further? If such a particle exists, why haven't we found it yet?

asked May 20, 2023 in Particle Physics by StellarFlare

0 votes

0 answers

Can you explain why electrons orbit around protons and not the other way around?

answered May 20, 2023 in Particle Physics by Mr Rusty (1.6k points)

+195 votes

0 answers

How does light have momentum without having any mass? Isn't that a contradiction?

answered May 20, 2023 in Particle Physics by StormyHorizon

+5 votes

0 answers

Is there such thing as photon decay?

answered May 20, 2023 in Particle Physics by NebulaOracle

+14 votes

0 answers

What is the difference between the Boltzmann distribution for Fermi particles and Bose particles?

answered May 20, 2023 in Particle Physics by soda.pink

+22 votes

0 answers

Is it possible to create an absolutely empty volume of space without any particles at all? How would you achieve it if it is possible?

answered May 20, 2023 in Particle Physics by SeraphicWhisper

+322 votes

0 answers

What is the best path for someone who wants to get into particle physics but doesn't want to go through grad school yet?

answered May 20, 2023 in Particle Physics by SolarisScribe

+9 votes

0 answers

Why are we so sure that photons are massless when we know our measurements are imperfect? Since photons exhibit characteristics of massive objects, wouldn't it better to assume their mass is just too small for our current instruments to measure?

answered May 20, 2023 in Particle Physics by goldwise

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