Recent questions in Particle Physics

+233 votes

0 answers

Can a completely empty space exist without virtual particles or any particles in general, just a void?

asked Jan 15, 2023 in Particle Physics by Andy M&B

+24 votes

0 answers

Why can't a neutral particle like a neutron ionize gases?

asked Jan 15, 2023 in Particle Physics by CrystalTwilight

+276 votes

0 answers

Do we know what charge is, other than a fundamental property of (some) particles? My question comes from a Great Courses episode, where the professor says we don't know what charge is, other than it being a fundamental property. Is this true?

asked Jan 15, 2023 in Particle Physics by MysticSculptor

+20 votes

0 answers

Why is there more than one kind of subatomic particle? Wouldn't it make more sense to have just photons, for instance? Why did the Big Bang explode into so much variety?

asked Jan 15, 2023 in Particle Physics by Jonathan Lobb

+17 votes

0 answers

Can spin direction of a quantum entangled particle change if the spin direction of its entangled counterpart is fixed by a strong external field?

asked Jan 14, 2023 in Particle Physics by Mkquestion

+26 votes

0 answers

What is antimatter? Does it consist of the same neutrons and protons that regular matter does?

asked Jan 14, 2023 in Particle Physics by Martyn21uk

+23 votes

0 answers

How can we find the value of intrinsic spin in an electron or proton?

asked Jan 14, 2023 in Particle Physics by SeraphicAlchemy

+25 votes

0 answers

Can you explain how the Higgs boson or Higgs field endows particles with mass?

asked Jan 14, 2023 in Particle Physics by ChrisCC90

+1 vote

0 answers

How would you create an anti-matter universe?

asked Jan 14, 2023 in Particle Physics by j jones

+15 votes

0 answers

What would happen if a photon were to travel forever, considering it experiences time instantly?

asked Jan 13, 2023 in Particle Physics by SeraphicAlchemy (2.7k points)

+139 votes

0 answers

Is it possible to entangle two or more phonons, quantized particles of sound?

asked Jan 13, 2023 in Particle Physics by stuart avo

+3 votes

0 answers

How much energy would be required to create a particle from a vacuum?

asked Jan 13, 2023 in Particle Physics by QuantumNomad

+6 votes

0 answers

Is there such a thing as unequal matter-antimatter annihilation? Could a positron impact a proton, and if so, what would the resulting particles be?

asked Jan 13, 2023 in Particle Physics by PH1L8OB

+4 votes

0 answers

If antimatter is the opposite of matter then it must have negative mass. If it is used in warp drives to shrink space ahead, then it should also work with creating traversable wormholes?

asked Jan 13, 2023 in Particle Physics by Bazdaa

+21 votes

0 answers

What is a spin-half particle? What is the definition of intrinsic angular momentum?

asked Jan 12, 2023 in Particle Physics by Omniscient Polymath

+20 votes

0 answers

What is a graviton?

asked Jan 12, 2023 in Particle Physics by rg3821

+16 votes

0 answers

If you take a particle and divide it into two entangled particles, and then send one of the particles to the other side of the universe, what happens when you measure the properties of the first particle? Do the property of the second particle change

asked Jan 12, 2023 in Particle Physics by Mikehughes88

+103 votes

0 answers

Is a photon made of an electron, a proton, and a neutron, or it itself is one of the fundamental particles?

asked Jan 12, 2023 in Particle Physics by Fluff88

+22 votes

0 answers

What element has 6 protons, 6 neutrons, and 6 electrons?

asked Jan 11, 2023 in Particle Physics by JSCH

+59 votes

0 answers

What is antimatter used for given how expensive it is to make?

asked Jan 11, 2023 in Particle Physics by MysticVerse

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