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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 21,093
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 34,625
so does the Higg field give the neutrino mass, and can neutrino velocity change? how close to c is neutrino velocity?
May11-11 09:36 AM
Vanadium 50
5 4,562
I've been looking on Wikipedia about Ionizing Radiation. Basically, it's a technique that is used in Radiation...
May14-11 05:26 PM
Drakkith
4 1,741
I am calculating the one loop vacuum energy in the Wess-Zumino model, and I don't get a cancellation. For sure I've...
May15-11 10:03 AM
8813301043
3 1,738
What would be the best protection from these two at the same time? Lead alone or a mixture of something like lead and...
May16-11 08:40 PM
Drakkith
4 2,619
Can electron self energy diagram contribute to the vacuum polarization? Or is the question meaningful? What's the...
May11-11 11:52 AM
A. Neumaier
3 2,222
When anti matter and matter come into contact do they only annihilate each other leaving everything else undisturbed?...
May15-11 11:11 AM
orenrocco
9 2,735
I'm not always on the same computer, often times I'm using my phone to look for answers when doing physics on the go. ...
May12-11 08:46 PM
GDogg
2 1,700
why the electron does not stick to the nuclei?
May16-11 01:25 AM
ella1985
3 1,078
I'm trying to get a deeper understanding of how two particles such as protons interact with each other. In high school...
May11-11 01:58 PM
Bill_K
6 2,063
What is the mechanism for explaining the different effect of repulsion and also attraction due to the exchange of...
May12-11 08:29 PM
GDogg
3 2,972
Could somebody please explain to me the difference between flavour and mass eigenstates. The question is "Neutrinos...
May17-11 09:19 AM
clem
3 1,601
If the Higgs is responsible for the mass in the universe, but the Higgs itself has mass, then isn't that a little...
May13-11 01:08 PM
cello
5 1,648
This is really about challenging the understanding of "Time" in the physical sense. I would like to test the...
May11-11 04:23 PM
skeleton
4 1,356
I recently read a post which stated that the particle-antiparticle pair can be created by the interaction of photons ...
May11-11 11:40 AM
A. Neumaier
2 1,750
The graviton (spin 2) and the Higgs boson (spin 0) are both involved in gravity. The Higgs carrying mass, and the...
May18-11 06:42 AM
tom.stoer
10 5,973
How to divide positive and negative charges from each other without them interacting with other matter or charge...
May12-11 03:50 PM
Vanadium 50
7 1,138
Homework help please!! a) An ionization chamber is used with an electrometer capable of measuring 50 A. ...
May12-11 08:14 AM
stopitsonali
0 1,311
Hello. I've heard that electron capture rate, which is used in the dating with potassium-argon, can vary at...
May14-11 08:19 AM
Vanadium 50
11 1,597
Can anyone suggest any study material for EXB sector field mass analysers?
May17-11 08:27 AM
Ranjini
0 705
Hello, In the lagrangian of QCD, there is q which is the quark field and it is the fundamental representation of...
May18-11 06:46 AM
tom.stoer
4 1,571
Dear Physics Forum, As I understand it, the Higgs field is a quantum field that stretches throughout our universe....
Nov28-13 10:42 AM
Mandragonia
48 3,033
Hi people, I've read some articles about the calculation of mass spectrum. But I'm not clear with this concept. Can...
Dec2-13 07:32 AM
K^2
13 1,010
Hello, I am a layman who just read Sean Carroll's The Particle at the End of the Universe and I am trying to...
Nov24-13 08:06 AM
mfb
7 847
I am not really sure whether this topic belongs here or not, but since my example will be a certain one I will proceed...
Nov25-13 09:50 PM
George Jones
4 709
Hi, aside from nucleons is there any other stable (metastable doesn't count in this question) hadronic matter that...
Nov25-13 09:03 AM
mfb
9 680
Hello. I read about fast neutron therapy for cancer and the therapy uses a beam of high energy neutrons. How do you...
Nov24-13 01:52 PM
anorred
2 612
Hi all, why in SUSY we tend to use 2- components Weyl spinor field not the ordinary Dirac filed .. Regards,...
Nov24-13 11:47 AM
dauto
3 627
Hi, I'm studying about Renormalization group. I have a question about mass beta-function. Usually, when we...
Nov30-13 06:56 AM
andrien
9 1,068
In my class notes, the muon decay width is: \Gamma_\mu=\frac{G^2_F m^5_\mu}{192\pi^3} Yet, in Wikipedia (take...
Nov26-13 05:51 AM
RGevo
5 733
Hi All, I'm working through the theory of the strong interaction and I roughly follow it. However I have some...
Nov25-13 06:54 AM
bapowell
1 602
Hi all, Let me ask about what is meant that Narrow width approximation has an error ~ ## \Gamma/m ##, is it mean...
Nov25-13 08:04 AM
Safinaz
0 520
As a physics student, I understand that α particles are emitted and are the same as helium atoms without electrons. ...
Nov29-13 09:05 AM
Astronuc
13 1,217
I've been trying to get a grasp of what they ideal of antimatter is exactly. I do understand that it's the 'opposite'...
Nov27-13 06:02 PM
Bill_K
6 695
Co-60 is produced from Co-50 through neutron activation. Neutron flux 10^18 nuetrons/(s*m^2). cross section is 20...
Nov27-13 06:12 PM
mfb
3 591
Hello, Empirically, the flux distribution of cosmic ray muons follow cos^2(θ) where θ is angle of incidence....
Nov30-13 02:24 PM
phys_student1
4 740
I was given a sample, that it is suppossed to be a medium thickness Rhodium on top of an infinite silicon waffer. The...
Nov30-13 05:07 PM
atha
2 476
I'm currently doing some research at the moment for my professor, and he gave me a list of things to look at. Before...
Dec1-13 01:11 AM
Simon Bridge
3 520
can anyone explain me about the differences between color and strong force?Though there are four fundamental forces so...
Dec2-13 03:30 AM
Drakkith
4 759
Hi everyone, I am doing a final project on the title " fundamentals of neutrino physics". I wanted to raise some...
Dec1-13 04:36 PM
RGevo
4 593
Can the classical electromagnetic force between two arbitrarily moving electrons, described by the Lienard-Wiechert EM...
Dec1-13 03:38 PM
meopemuk
1 617

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