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High Energy, Nuclear, Particle Physics

- Properties, relationships, and interactions of subatomic particles. Exp. & theo. physics of nuclei & elementary particles
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Jan16-12 Greg Bernhardt
God particle is 'found': Scientists at Cern expected to announce on Wednesday Higgs boson particle has been discovered...
Jul18-14 12:32 PM
187 62,103
rules Sticky Thread Pinned: Forum Rules
Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Feb23-13 08:41 AM
1 25,841
If I just know the energy range of it is 10-35 MeV, and they can interact with detector for 10 seconds, how to deduce...
Feb27-12 08:21 PM
1 1,311
Someone shared this article with me: ...
Jan4-13 01:20 PM
2 1,311
Is anybody know the value of kappa meson decay constant?
Aug23-10 10:23 AM
1 1,310
; Can someone explain to me (in layman's terms,) how it might be possible to associate the interactions of the...
Mar7-12 10:22 AM
7 1,310
I was reading about this experiment and collision and I a proton really made up of this many sub...
Apr6-12 10:54 AM
Mark M
4 1,310
a proton is given a radius...i think its ~10e-15 since a proton is uud is this "radius" like a electron orbital...
May8-05 10:49 PM
5 1,308
What are your views on this? Assuming things continue to go all right what possible theoretical developments do you...
Sep10-08 03:25 PM
1 1,308
I have a very basic question regarding the nucleus. I understand why you can only have a limited number of protons...
Mar18-09 01:34 AM
2 1,308
Good day All, A quick question: (My knowledge / assumption): A neutron moves very fast and can go through almost...
Dec22-10 03:13 AM
8 1,308
Say we have one spin-less electron in a box in the ground state. Say we have dials on the outside of the box that can...
Mar25-12 04:32 PM
4 1,308
I would like to ask you 2 completely separate questions... Since both concern the W,Zs I don't want to create more...
Nov20-13 09:50 AM
14 1,308
One thing is not clear to me. When alpha or beta or gamma radiation enter into geiger counter, it ionizes the gas and...
Jan21-14 06:53 AM
9 1,308
this is the first time for me to prepare or thinking about the experiment which will be taken on the accerlerator. ...
Aug11-04 02:26 AM
4 1,307
Hi! This is for those who have read Penrose's "The Road to Reality" (btw, fantastic book). In paragraph 25.8, on...
Jan25-10 01:44 PM
4 1,307
Is there anything in fundamental theory to explain the peculiarity of quark masses? The up and down have about the...
May7-06 01:12 PM
4 1,306
Hi all! This question concerns flavour changing oscillations. Let's narrow it down to the neutrino case, where we...
May9-14 05:26 PM
18 1,306
Hello everybody, I investigate polycarbonate foils (makrofol) of 90 μm thickness irradiated by U-ions with a charge...
Nov24-11 10:23 AM
0 1,305
Why does alpha decay emit a helium nucleus.Why not a proton or gamma rays. Please help me understand the science...
Jul29-13 01:52 PM
4 1,305
For an Ap Physics Homework assignment our teacher had us calculate the Nuclear Strong Force for a Helium nucleus with...
Sep12-13 06:34 PM
1 1,305
I spend my weekends reading up on quantum physics. Mostly these forums. I find myself flooded with jargon. So I have a...
Sep14-08 11:08 PM
2 1,304
I haven't had time to digest this, but - I wonder how far from Disney...
Jan30-06 10:24 AM
1 1,303
If you fire energetic ionising particles, like electrons or protons, at a stationary target, the important...
Aug28-09 06:56 AM
2 1,302 What new particle could it be?
Apr6-11 09:30 PM
1 1,302
Hello, The Feynman graph of muon decay is...
Mar22-12 04:32 PM
Vanadium 50
6 1,302
An up quark has a smaller mass than a down quark. Is it possible that an up quark is made from 2 antidowns with...
Apr25-05 08:38 PM
4 1,301
I was wonder what you felt the important experimental discoveries in high energy physics over the past twenty five...
Jan26-07 02:01 AM
4 1,301
While working out a problem I got a result which gave rise to this doubt regarding value of action functional. Suppose...
Jun23-08 07:35 AM
3 1,301
This APS page describes the classic experiment by Wu et al. in the 50's that...
Feb24-11 11:48 AM
0 1,301
I have a smal brain but am trying to help an elderly gentleman (who doesn't speak too good English) with his theories....
Sep29-04 06:47 PM
4 1,300
How do you determine in a particle interaction which force is responsible? For example a K- meson is found to...
Oct5-11 11:38 AM
3 1,300
just thinking cross sections here. a neutron that is freed as a result of a fission of pure U235. travels @c/10(fast!)...
May4-12 07:02 PM
3 1,300
What are the strangest known nuclei? Specifically, have any nuclei with strangeness over 3 been seen? Are there any...
Apr19-13 01:56 PM
10 1,300
What kind of limitations are there for trying to split up the quarks from their binding formation?
Jul4-09 01:16 PM
5 1,299
I was wondering, for instance in a neutral pion or the j/ψ meson, what prevents quark-antiquark annihilation during...
Jul23-12 12:59 AM
4 1,299
¿How we know that a energy scale, for example, standard model typical energies, there is not more particles?
Apr30-14 06:08 PM
20 1,299
When a massive nucleus splits, it forms two smaller fragments. For Uranium, we have A=235, and the typical fragments...
Jun6-11 12:18 PM
2 1,298
I was reading the paper about the discovery of the first e+e- narrow...
Sep6-13 02:24 AM
3 1,298
The wait is finally over? See it live at (~ 11am April 07, Chicago time) 11:00 to 12:30 CDT (16:00:00 to 17:30:00...
Apr13-07 12:42 PM
3 1,297
Hello everyone, does anybody of you know, whether there are some publications/blog entries/ideas/anything on...
Feb25-10 04:07 AM
1 1,297
When people discuss the Schwinger model, sometimes they still call the electron field spin-1/2 and the EM field...
Sep29-10 12:16 AM
1 1,297

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