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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
ChrisVer
187 58,859
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
ZapperZ
1 25,189
hi, yesterday i had a discussion with some friends about the decays of pions which produced a few questions that we...
Oct24-10 12:59 AM
alsey42147
2 1,762
Im reading a paper about use of electron beams in oncology and it says: "The mechanism of neutron production in the...
Oct30-10 08:31 AM
lavster
2 788
can you tell me what's the frictional cooling method? it is one of general varional methods, i read it in some nuclear...
Oct30-10 08:28 PM
nuclei
2 848
Would the energy just be a multiple of how much bigger it is than electron?
Oct30-10 06:58 PM
Bob S
2 3,510
Hello, My knowledge on particle physics is very limited (halfway through my physics bachelor) but if I have to...
Nov3-10 02:07 AM
tom.stoer
2 1,265
Hi, I have a question about the relation between the propagator of a scalar field and the heat kernel. I'm not sure...
Nov20-10 02:57 AM
TriTertButoxy
2 1,359
This question is sparked by the research on lepton masses by Brannen, Kea, de Vries, Dave and others, but it is...
Nov2-10 01:14 PM
arivero
2 681
My question: do there exist particles similar to atomic nuclei, but made only of neutrons? If not, then why? I...
Nov6-10 03:36 PM
mathman
2 997
Hi! I would like some clarification about the straggeling phenomena, why the tip of the curve is pointy ( stiff )...
Nov6-10 11:45 PM
abotiz
2 1,588
Can someone give me a qualitative/handwaving argument of why much more W^+/- boson are produced in proton-antiproton...
Nov12-10 05:46 PM
Vanadium 50
2 1,098
Hi, I keep reading about particles being produced in certain interactions, but I'm not completely clear on what this...
Nov8-10 06:19 PM
jeebs
2 1,375
Hi, I'm having some trouble with the Cabibbo matrix. I get vaguely what it's about but there are things I don't...
Nov17-10 12:27 AM
tom.stoer
2 1,381
I assume it's possible to convert matter into energy, and vice versa. I assume the same is true for antimatter. I also...
Nov20-10 06:39 PM
neoslovakia
2 2,770
When I learned about Dirac's Equation, textbooks usually say that the earlier Klein-Gordon equation isn't linear in...
Nov20-10 11:43 AM
GeorgeRaetz
2 3,286
Does anyone know where I can find good tables for low energy nuclear processes? For example collisions to products...
Nov21-10 12:49 PM
Astronuc
2 1,309
Are collisions with the energy levels of LHC happening in our modern day Universe? Like at the core of stars or at the...
Nov22-10 06:16 PM
kahoon
2 1,043
In a 1964 publication Bruno Rossi describes an experiment where cosmic rays could penetrate dense materials. Finding...
Nov27-10 04:28 PM
hardhacker
2 1,447
Hi! I'm currently performing lots of research into the Higgs Boson. In many papers, when talking specifically about...
Dec7-10 06:55 PM
GreyBadger
2 2,320
Do anybody know where to get this journal online? Yad. Energia 4 (1976) 103......or it has another name in English?
Dec5-10 12:39 AM
thoms2543
2 850
Hi, I need to calculate an estimate of the reflected electron beam power in the form of back scattered electrons...
Dec7-10 12:04 PM
Bob S
2 1,691
I`ve been searching for that and I cannot find it. I`ve been looking for it, for example, in Wolfram Alpha`s list of...
Dec8-10 06:48 PM
Astronuc
2 970
The proton activation data file/s contain the target and product data plus the cross sections at a range of energies,...
Dec8-10 12:23 PM
benpalmer
2 833
The group SO(5) is relevant at times in particle physics. Can anybody please explain how to calculate the number of...
Dec10-10 05:17 AM
arroy_0205
2 2,010
Can anybody please suggest some references (preferably review articles or lecture notes etc, freely available online)...
Dec23-10 05:12 PM
blechman
2 2,998
how much energy is released during the fusion of proton and neutron?
Dec11-10 01:50 PM
Bob S
2 955
I'm reading something about parity violation where it was initially thought that the positive kaon decaying into 2...
Dec13-10 02:10 PM
jeebs
2 2,164
Hi, at first i want to apologize for my bad english. I have to give a speech on some result of a high energy...
Dec18-10 04:40 AM
Ps9
2 3,629
As the thread title suggests, I was wondering if electrically neutral particles like neutrons can absorb/emit/reflect...
Dec17-10 04:07 PM
lpetrich
2 1,227
As a person with a very basic understanding of nuclear physics, I am curious about the source of energy in a fission...
Dec28-10 02:55 AM
Drakkith
2 885
Is there any energy released during fusion of proton with neutron? I cant find it anywhere the details of this...
Jan3-11 08:16 AM
Vanadium 50
2 821
In calculations of weak interaction processes in the Fermi-theory, there are some amplitudes of the form:...
Jan9-11 09:10 AM
evilcman
2 756
reading the light-heart book of Aitchison, "an informal intro...", we see that the problem with mass terms in the...
Jan14-11 07:19 AM
arivero
2 978
Hi, Radioactive materials will decay to datughter products. in the mean process they emit alpha or beta...
Jan25-11 05:05 AM
rama1001
2 754
Hi everyone, Im currently in the way of learning about fusion to prepare myself for a thesis in this area. The...
Jan27-11 01:42 PM
AndyUrquijo
2 1,570
Hey, I've been reading a bit in the QFT book by Pierre Ramond about loops and i stumbled about some derivations in...
Jan27-11 01:35 PM
earth2
2 750
Hi everybody, as usual I need help with some definitions regarding many-loop calculations. In particular what do...
Jan27-11 04:58 PM
Sleuth
2 2,596
I have some questions about the relationship between the charge of a proton and an electron. Is it well understood...
Jan31-11 03:30 PM
mathman
2 2,564
Hello. Why isn't there alpha decay in fission reaction or fission fragments evolution ? is there only gamma and betas?
Feb1-11 02:42 PM
kilele
2 1,874
Hi yall, I was just wondering, seeing as how photons are massless, would there be a limit to the amount of...
Feb10-11 07:16 PM
easyrider
2 1,005
Hello, Just a few questions about a couple of terms in and not in the SM Lagrangian. I'll talk in particular about...
Feb14-11 03:12 AM
Parlyne
2 1,388

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