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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 62,509
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 25,936
Are there any labs or private companies that can run particle beam simulations for a fee? If there are, any...
Sep8-12 06:06 PM
gbz
2 1,320
Can someone give me the names of all the particles that the standard model refers too remember the first 18... 6...
Aug29-12 05:21 AM
radioactive8
2 810
When I first learned about Tachyons I was lead to believe that they meant your model had anomalies and you needed to...
Jul13-12 01:12 PM
Simon Bridge
2 655
Hi guys, Does any body know good references for the distribution of virtual photon, i.e. Q2 distribution, in...
Jul15-12 10:07 PM
Manojg
2 1,203
I've heard Iron has the most condensed nucleous out of all the elements, and I asume it is due to the enormous amount...
Jun28-12 04:55 PM
mfb
2 1,154
Hi, Does anyone out there know the rules for mesons when it comes to the particle/antiparticle combinations? Is it...
Jun30-12 01:53 PM
mfb
2 836
Mesons are bosons, while the baryons are fermions. My question is, meson is a type of hadron that made from the...
Jul2-12 02:42 AM
Jimmy
2 415
This is just for fun so dont take it too seriously... So I've read about particle beam weapons and as far as I...
Jul3-12 04:28 PM
surajt88
2 748
The Higgs particle has a mass of about 125 GeV. If interaction with the higgs field assigns a particle its mass, how...
Jul4-12 04:49 PM
The_Duck
2 1,205
Hi there: I've learnt that there's no such thing as gravity, just the curvature of spacetime that makes objects...
Jul5-12 01:54 AM
rafaelsoteldo
2 1,377
From what I understand, the Higgs Boson was the last missing piece of the Standard Model (12 indivisible particles, 4...
Jul4-12 10:32 PM
DaveC426913
2 10,195
I tried searching through but didn't find this asked. If the spin of the particle detected at LHC comes back as 2,...
Jul6-12 01:34 PM
Bill_K
2 955
Hi can someone explain to me how the higgs field creates gravity, or how is it related to it? I mean, if the higgs...
Jul6-12 08:16 PM
felipenavarro
2 1,149
I had always assumed that the simplest possible standard model Higgs particle had isospin 0, but when I tried to...
Jul9-12 06:33 AM
johanw
2 1,321
why the particle that was believed to be found has to be higgs boson and not just any other fundamental particle that...
Jul8-12 11:59 AM
eXorikos
2 599
Can anyone speak to what effects gravity would have on the Higgs field or vice versa? As I understand, the Higgs field...
Jul14-12 08:15 AM
Eonic
2 1,678
should the current still be conserved? since it stills commutes with the Hamiltonian and symmetry is just hidden. ...
Jul18-12 02:42 AM
DrDu
2 845
I recall watching a documentary a while ago that explained the production of different force carriers. A bit that...
Jul19-12 03:41 AM
mfb
2 876
As a preface to a different question, it is valid to think of the property of spin of elementary and related particles...
Jul19-12 06:23 PM
gildomar
2 686
Seeing as it was so integral to the standard model and since the SM is so remarkably successful, aside from its...
Jul20-12 11:42 PM
phinds
2 740
Would it be possible to produce a fusion reaction(fusing deterium atoms) using x rays instead of high voltages?...
Jul23-12 12:13 PM
Fast77
2 896
So far, we've discovered this compositeness hierarchy: Atoms - bound states of electrons, nuclei, photons Nuclei -...
Jul24-12 12:45 AM
lpetrich
2 864
We know hydrogen atom is stable. Then, single proton is stable? Can we store it for a long time without decay? Do...
Aug2-12 12:56 PM
tom.stoer
2 898
what particles?
Jul28-12 08:52 AM
Ibix
2 652
Hi, As I understand, please correct me if i'm wrong, when a subatomic particle interacts with the Higgs field it...
Jul30-12 01:37 PM
Naty1
2 884
Why is there only one neutral pion? Shouldn't there be two of them with slightly different masses, one with u/u-bar...
Jul31-12 05:32 AM
Bill_K
2 824
Do any 1/2 spin baryons exist that are made of three identical (flavored) quarks? I know the Δ-, Δ++ and Ω- have 3/2...
Jul30-12 07:47 PM
fzero
2 818
Hi all, I was just pondering why spin is odd under time reversal. Im trying to get my head around CPT invariance...
Aug2-12 02:37 PM
Hypersquare
2 1,115
Ive been researching for a while now and i still cant understand why neutrons rich isotopes are unstable. As neutrons...
Aug2-12 09:49 AM
hwall95
2 1,153
Hi,everyone!I have a problem!As known to us all,in Rutherford scattering experiment α rays are used to bomb gold...
Aug5-12 07:16 AM
einstein1921
2 1,152
Hi all, I'm stuck with proving the last step of (2.51) in Peskin and Schroeder: $$\begin{align} D(x-y) &=...
Aug4-12 05:23 AM
ianhoolihan
2 1,254
Hello, currently I work on 2->3 scattering process. So there exist five external momenta and in my case 5 different...
Aug13-12 12:48 AM
Hepth
2 1,330
I suppose the title says it all. I'm not a physicist, obviously, and all I know on the subject I know from pop...
Aug11-12 04:37 PM
Naty1
2 894
Hi All, I know that when an atom is heated up electrons are excited to higher energy levels and upon returning to...
Aug14-12 12:24 AM
mitch_1211
2 1,063
My question is: What is the relation between the AFB and the asymmetry charge?
Aug21-12 07:02 PM
kurros
2 975
hi, i m new to particle physics why is it that we cannot subdivide the leptons but we can do divide protons(we...
Aug21-12 03:51 AM
jtbell
2 833
I'm studing the basics of renormalization (with phi^4 theory) and once you write the renormalized lagrangian with the...
Aug26-12 05:41 PM
JCCJ
2 968
I'm trying to differentiate the wave-particle duality of light-photons in order to understand what exactly...
Aug30-12 03:38 PM
Bill_K
2 949
The cost of Americum: Cost, pure: $1500 per g (1,5 million USD per Kg) Cost, bulk: per 100g The cost of...
Sep16-12 08:18 AM
jtbell
2 1,342
Hello Im working on a project and im looking for a place to find nuclear data. For example I'm Interested in...
Sep27-12 02:52 PM
vuser88
2 1,148

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