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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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Before posting anything, please review the Physics Forums Global Guidelines. If you are seeking help with a...
Feb23-13 08:41 AM
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God particle is 'found': Scientists at Cern expected to announce on Wednesday Higgs boson particle has been discovered...
Jul11-12 01:13 AM
178 34,370
For n by n matrices H^{+}_n H^{-}_n a(Hn+)(bHn-)=n^(m-1)Hn+, if a and b are even integers, ...
Jan9-04 12:12 PM
Antonio Lao
0 1,259
Quantized space H can only exist in one dimension. Its equation is given by equation 1-1, the square of the total...
Jan9-04 11:44 AM
Antonio Lao
0 1,542
I recently read that in the way we class particles if we measure the properties of two different particles and class...
Mar12-11 07:38 AM
11 1,657
I refer to the last paragraph of quote: A few hundred milliseconds...
Jul20-11 06:43 PM
1 1,435
Just a quick question, has any research instutute such as CERN managed to produce a new stable particle such as a...
May9-05 11:24 PM
13 1,480
The neutron decey is proceeded bij the weak force. Therefore I would expect a lifetime of 10^{-10} second But it...
Mar8-06 10:51 AM
16 2,742
What are generations of particles and how are they organized into the different groups. What similarities do two...
Oct29-12 05:47 PM
7 966
Hello! I'm new to the forum so please don't mind any mishaps. I am very interested in the unstable radioactive...
Jan28-11 08:35 AM
5 3,264
Can someone explain me what is mass according to the Standard Model? I read that the Higgs boson "gives" mass to...
Jul4-12 12:28 AM
1 962
We're building a very high power xenon flashlamp with electrodes so far apart that some kind of pre-ionization is...
Jun21-10 11:42 PM
3 1,260
Just curious. The Planck length is lpl = (hG/c3)1/2 = 10-33cm And it seems intuitive that it's c cube because...
Mar2-14 08:24 PM
6 654
I wish to know Wood Saxon potential - the basic idea and how that can be applied for bound systems of particles....
Sep13-11 08:45 PM
0 1,697
Hello all I am new here, please pardon me if I have posted to the wrong board. My question should be fairly simple....
Mar16-04 02:25 PM
0 1,538
I've been reading up on neutrino oscillations and I have come across this issue. I know that oscillations are...
Apr18-10 10:05 PM
2 1,935
Does anyone know where I can find experimental data on the life time of charged pion decay? More specifically the life...
Apr12-11 12:11 PM
3 1,463
Over the years by using particle accelerators we've discovered all kinds of particles such as muons, gluons, etc. What...
Jun14-08 01:13 PM
7 2,099
Feb7-14 10:53 PM
0 617
Howdy All Yesterday i read an article about a particle with the velocity faster than the speed of light but as the...
Dec10-04 07:17 AM
15 4,018
The absorption or emission of W bosons changes neutrons to protons or protons to neutrons.Also,W bosons are almost 100...
Jul1-11 05:22 AM
13 2,165
Last week I was watching events at the LHC at this screen: when something happened and...
Nov5-10 08:41 AM
Vanadium 50
1 1,225
How is it possible that the strong nuclear force is directly proportional to distance? How could all the atoms in the...
Sep25-10 08:23 AM
3 1,883
Just trying to get my head around the very basics of the Higgs discovery. Could someone describe the relationship...
Jul5-12 11:21 AM
Simon Bridge
5 905
hi, does anybody know what kind of charge the "q" stand for in the higgs mechanism? I mean the mechanism between...
Aug5-12 01:18 PM
4 1,080
How can I calculate this part? \int \frac{d^4k} {(2 \pi)^4} \frac{k_\alpha k_\beta} {(k^2-m_w^2)^2 (k^2-m_c^2)...
Dec1-11 10:57 AM
0 1,464
1. The problem statement, all variables and given/known data Hi I was reviewing this paper. But I stuck in the last...
Jul22-12 04:34 AM
0 468
While reviewing the paper- Coupling of a vector gauge field to a massive tensor field I found the term- 2\mu^2...
Jul29-12 09:38 AM
0 679
Hello all. I am a layperson that is very interested in science. I am particularly intrigued with what results the...
Apr10-08 10:16 PM
1 1,919
I do not like composite models of quarks and leptons; they seem to me just as decomposition of phonemes: it can be...
Mar22-08 06:51 PM
73 26,532
I do not know if he is going, but Carl happens to have a 25 min talk allocated next Wednesday, before Koide's talk: ...
Jul12-07 01:32 PM
40 4,384
Here are the publications of Ed Witten before 1980. I have used a small typeface for non single author publications....
Nov27-06 02:02 PM
2 2,181
Any recommendation? I have found this one very spectacular: hep-ph/0404270 Eberhard Klempt Glueballs, Hybrids,...
Nov27-06 11:47 AM
2 1,716
I have found a narrative reading of bootstrap theory: Bootstrap Physics: a Conversation with Geoffrey Chew. It is...
Mar27-07 07:45 PM
1 3,103 contains an intriguing speculative piece: Now, if we had...
Jul8-07 08:13 PM
0 1,070
A couple years ago it was typical to see in articles, and to hear in conferences, specially when discussing about the...
Aug12-07 03:09 PM
3 1,428
Let me see if I get it right or I dreamed it: in order to give mass to a quark or a lepton the higgs field must be in...
Sep13-07 05:56 PM
2 1,314
In our exchange previous to my guest post, Dorigo suggested me to speak of decay rates, but I did not take the courage...
Dec22-11 03:15 AM
24 11,018 Peter has allowed a kind of guest post (actually a long comment...
Oct27-07 08:13 AM
0 1,713
Time ago I went to the NUDAT database to plot the number of known beta decays for each mass number; this is expected...
Apr7-08 08:18 PM
2 1,259
Is there some agreement about if the Wick rotation must produce exactly the same mass that the un-rotated equation, or...
Mar12-12 02:47 PM
1 918
The fermi four point interaction (consider its modern version, quark up to down plus electron plus antineutrino) is...
Jul23-12 08:15 PM
7 878

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