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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 63,581
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 26,210
Hi folks -- I was reading some (non-technical) work by Frank Wilczek, in which he stated that any fundamental theory...
Jan14-14 12:07 PM
13 1,200
I know that symmetry breaking in the Electroweak theory does a great job of explaining the existence and masses of the...
Jan14-14 12:03 PM
7 869
I'm taking high school physics, and I've had problems in the past with flat out errors in my textbook (I've brought...
Jan13-14 12:51 PM
4 859
In demonstrating that Higgs mechanism gives mass to gauge boson fields, we used the fact that hypercharge Y=1/2, which...
Jan13-14 12:47 AM
Vanadium 50
2 946
Hello, all If now I only have one family of fermions (a neutrino, a charged lepton, an up-type quark and a down...
Jan11-14 10:23 AM
1 662
Hey! This is my first post in PF. My question it is related with Majorana spinors in three dimensions: Let \psi be...
Jan10-14 02:59 PM
0 605
I'm doing a little research on quarks on stumbled upon the baryon number. Wikipedia says that the notion predates the...
Jan10-14 10:27 AM
5 664
In chapter 10 of Robert D. Klauber's excellent QFT book, there's a nice overview of different concepts occurring in...
Jan9-14 03:02 PM
9 1,025
Hi, please could someone kindly answer a few questions regarding the higgs boson. Everywhere I read about this topic I...
Jan9-14 12:54 PM
12 1,388
Let us assume that we want to describe the full process of photon emission by electron A and absorption by electron B....
Jan8-14 03:10 PM
0 677
First of all, my knowledge of the Higgs is limited to pretty much "Science" channel plus scientific related articles...
Jan7-14 09:10 AM
10 1,031
Does anybody know the so-called Titulaer-Glauber polychromatic, wave function quantization of the el-mag. field, how...
Jan6-14 05:24 AM
0 630
I understand that when the quark theory was being developed that SU(3) was used to explain the mesons that were...
Jan5-14 06:33 PM
8 973
Hi all, Is it not preferable to detect a particle at the LHC with final states of photons, that when I read in...
Jan3-14 04:34 PM
1 826
Suppose we consider a proton where we set the electric charge of the three quarks towards zero. At this point I assume...
Jan2-14 07:22 PM
10 1,079
We say on-shell and off-shell mass of quarks. 1) What is the difference on-shell and off-shell mass of quarks. 2) At...
Jan1-14 06:54 PM
Vanadium 50
7 914
Hello, I'm currently in my last year of high school and I'm doing a project about the higgs particle decaying to...
Jan1-14 06:24 PM
Vanadium 50
8 832
Why exactly is it that the Higgs field is not considered a fundamental force? Since the Higgs Boson has been confirmed...
Jan1-14 04:30 PM
6 1,282
The question is "Make a simple estimate of the order of magnitude of the ratio of the cross sections...
Jan1-14 01:13 PM
4 1,728
P and k are four-momentum of two particles. I read in a paper which said that =\slashed{P}\slashed{k} -...
Dec31-13 07:30 PM
19 1,712
Hello my name is Jonas. I dont understand what the Higgs-Boson particle is and what its significance is. Could...
Dec31-13 01:20 PM
3 833
Since Colour Force is Strong Interaction, is there a equation to calculate Strong Interaction or express it...
Dec30-13 03:34 AM
2 938
The lorentz group SO(3,1) is isomorphic to SU(2)*SU(2). Then we can use two numbers (m,n) to indicate the...
Dec26-13 08:01 PM
10 1,788
Please, I'd need some help. Although I am not sure if this is again the correct thread, but since it concerns muon...
Dec26-13 07:53 AM
Meir Achuz
1 1,028
Hi....! I was trying to understand the meaning of the binary Energy (Eb) .. For example : Imagine we have two...
Dec25-13 10:38 AM
3 855
In the ψ below, there are 4 components for the Dirac spinnor times three possible color states for a total of 12...
Dec24-13 08:16 AM
10 1,238
Consider the Feynman diagram below from, where I...
Dec21-13 05:24 PM
1 879
I have just learned from nice article ...
Dec21-13 04:17 PM
2 821
Can someone explain in simple terms "K mixing level" and "K selectivity" in nuclear decay processes ? it...
Dec19-13 11:06 PM
4 1,120
Hello everybody. I am going to propose an experiment with a proton beam at CERN for a contest. This contest. Also...
Dec19-13 06:39 PM
1 942
i am actually calculating the nuclear spin of Sodium 23. Here we have 11 protons and 12 neutrons. Now both the nuclei...
Dec19-13 07:35 AM
Vanadium 50
4 891
Salutations, question:~wikipedia. I'm assuming that's because (correct me if i'm wrong) those particles would travel...
Dec18-13 05:04 PM
13 1,168
I know that the strong force is viewed as the exchange of virtual pions between two nucleons, with the mass and range...
Dec18-13 03:31 AM
8 1,116
Recently, I was thinking about spin and isospin. It's been a while since I've dealt with particle physics, so my...
Dec17-13 08:15 AM
0 830
Is the most stable/likely configuration of protons in heavy nuclei that of being evenly distributed throughout the...
Dec16-13 02:31 PM
8 1,071
If we could set the strong force to be ten times weaker (compared with the electromagnetic force) how much would the...
Dec15-13 02:57 PM
32 2,445
I read in my textbook that a decay process involving the strong interaction has a very short lifetime (10^-23s)...
Dec14-13 09:53 PM
4 904
Considering the modelling of a high energy proton beam neutrino experiment. I have questions concerning the scattering...
Dec14-13 06:22 PM
1 753
Hi all, I have a question about simulating (Monte Carlo) proton-proton collisions resulting in, for example, a Z...
Dec14-13 01:07 PM
Jan Eysermans
32 1,900
Photons are referred to as the field quanta for the electromagnetic field. I would like to understand how the...
Dec13-13 08:35 PM
8 1,499

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