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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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Feb23-13 08:41 AM
ZapperZ
1 21,131
God particle is 'found': Scientists at Cern expected to announce on Wednesday Higgs boson particle has been discovered...
Jul11-12 01:13 AM
tom.stoer
178 34,717
The problem is showing (□+m^2)<0| T(∅(x)∅(y)) |0> = -δ^4 (x-y) I know that it is relavent to Green's function,...
Nov12-13 09:34 AM
ehms
2 1,440
For the electron, wiki lists its magnetic moment as −1.00115965218076(27) μB. It does not list it for the Muon or...
Nov23-13 02:35 AM
lpetrich
6 921
I was reading this recent Scientific american article wich I found interesting, and was spurred on by it to ask a...
Nov9-13 07:04 AM
dauto
13 1,410
Hello, I have had this question for awhile now. What is the difference a delta baryon and a nucleon? they seem to have...
Nov9-13 04:34 AM
Superposed_Cat
2 821
Hi Just a quick question that I have been wondering about ... how do nucleons fill energy levels, and what is the...
Nov8-13 06:26 AM
K^2
1 833
I confront an integration with the following form: \int d^2{\vec q} \exp(-a \vec{q}^{2})...
Nov10-13 07:55 PM
phypar
2 842
Hello everyone, I have been wondering about the quantization of Maxwell's equation in free space, but now suppose that...
Nov12-13 08:08 AM
NeroKid
6 1,006
Hello everyone, I have read about the theoretical values of the Z boson decay partial width and how well they...
Nov11-13 01:06 PM
Vanadium 50
6 948
I am studying QFT and got stuck on one question which may be simple. Why is structure constants (in Lie algebra) real...
Nov11-13 10:05 AM
George Jones
3 1,003
Can anyone give or point me to a list of ALL continuous symmetries in the standard model, and the conserved currents...
Nov18-13 09:39 PM
ChrisVer
3 762
I know that, given scalar A_{i} fields, the normal order is defined as :A_{1}...A_{n}: = \sum \prod A^{-}_{i}\prod...
Nov16-13 08:35 AM
Catria
0 599
Recently, I read a review on magnetic monopole published in late 1970s, wherein some conjectures of properties...
Nov16-13 03:30 AM
Simon Bridge
1 668
Where would you use our new radiation detector? We are a student team from the Vienna University of Economics and...
Nov20-13 03:18 PM
mfb
5 872
Hi all, Do any one know what is the spin correlation and what its relation to theNarrow Width Approximation. ...
Nov17-13 04:11 PM
RGevo
1 646
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
dauto
14 1,100
The binding energy (BE) per nucleon for 235U is 7.6 Mev. The 235U undergoes a nuclear fission to produce two fragments...
Nov21-13 07:48 AM
mfb
7 848
Hi all, I try to understand the difference which can made by using or not using NWA .. I have a process have...
Nov22-13 02:09 PM
Safinaz
2 543
I'm curious to know what tends to be 'left over' after particle collisions at sites like LHC. I realize that many...
Nov20-13 03:34 PM
mfb
5 717
Hello to everybody, I need some explanation on how to use SDEF variables to define correctly a planar rectangular...
Nov20-13 05:51 AM
damyoro
0 564
I read recently, that by separating two quarks, once a high enough energy has been introduced, new quark pairs will...
Nov22-13 01:22 PM
mfb
11 850
Hi everyone, my question seems pretty simple, but I couldn't find any answers. OK, so the neutrino flavour...
Nov22-13 06:08 PM
BruceW
9 714
http://arxiv-web3.library.cornell.edu/abs/1311.5238 "Evidence for High-Energy Extraterrestrial Neutrinos at the...
Nov22-13 08:53 PM
fzero
1 600
As I mentioned, I want to know if the cahrge distribution of nuclei has any influence on electronic properties. And...
Nov23-13 12:37 PM
snorkack
2 619
Hi every one, This time i am studying Quantum field theory and some times we call also high energy physics. But when...
Dec2-13 07:41 AM
K^2
2 707
Can someone explain in simple terms "K mixing level" and "K selectivity" in nuclear decay processes ? ...as it...
Dec19-13 11:06 PM
Creator
4 961
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
Bill_K
8 919
Salutations, question:~wikipedia. I'm assuming that's because (correct me if i'm wrong) those particles would travel...
Dec18-13 05:04 PM
kurros
13 959
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
kith
0 712
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
1 926
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
4 716
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
mfb
1 793
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
Spinnor
10 1,011
I have just learned from nice article http://motls.blogspot.com/2013/12/edward-witten-what-every-quantum.html ...
Dec21-13 04:17 PM
fzero
2 687
Consider the Feynman diagram below from, http://hyperphysics.phy-astr.gsu.edu/hbase/particles/expar.html where I...
Dec21-13 05:24 PM
mfb
1 757
Hi....! I was trying to understand the meaning of the binary Energy (Eb) .. For example : Imagine we have two...
Dec25-13 10:38 AM
mfb
3 748
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
kurros
6 1,013
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
The_Duck
10 883
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
7 747
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
8 692
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
mfb
1 709

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