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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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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 34,439
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 21,058
I am currently studying A level Physics. I understand that, in a nuclear fusion reaction, the mass of the nucleus we...
Feb15-14 01:41 PM
ChrisVer
16 942
hello people. I am kind of stuck in this problem: electrons in the nucleus of an atom orbit around the nucleus and...
Feb4-04 02:12 AM
Orion1
15 2,191
Is anyone able to tell me what happens when a down quark emits a gluon which subsequently decays? Itís for my...
Dec18-03 12:04 PM
mormonator_rm
15 2,598
I have a good idea what a wave is, but am not sure of what a particle is. What is the definition of Particle in the...
Oct24-04 02:27 AM
what_are_electrons
15 6,650
What is a "Chiron?"
Sep10-04 09:50 AM
marlon
15 1,946
If say, in a particular atom, we have an electron cloud, and according to quantum theory, the particular electron...
Nov3-04 06:41 AM
ZapperZ
15 7,717
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
marlon
15 4,019
And this phenomenon also occurs in neutrons?
Apr18-05 04:55 PM
marlon
15 6,260
Whats the smallest mass particle? is it the electron? or the electron neutrino? Or is there something smaller?
May2-05 06:07 PM
ohwilleke
15 7,783
In order to use the path integral formulation for the derivation of the Feynman propagator, we need to introduce a...
Jun10-05 09:49 AM
dextercioby
15 4,110
weapons? :http://arxiv.org/abs/physics/0507139
Aug2-05 01:40 PM
Antiphon
15 2,510
Hi friends, I have read that particles like neutrino have zero mass and zero charge.Yet it has the spin value...
Mar2-06 02:11 AM
Ruslan_Sharipov
15 4,386
Hi friends, What is the need for the existence of an antiparticle for a particle?
Sep26-05 07:24 AM
Haelfix
15 2,008
Is there a fundamental particle (like a Planck black hole) that has a finite radius?
Sep26-05 07:03 AM
dextercioby
15 1,912
Is there a model that will permit a higgs-less model, without to much adjustment to the standard model ?
Oct21-11 04:05 AM
Vanadium 50
15 3,314
Any hints for readings on non relativistic quantum field theory? I guess every NRQFT should be renormalisable, because...
Jul20-06 09:21 AM
arivero
15 2,281
I want to convert canberrra CNF spectrum file to ASCII file. I found a program (IAEA, Winspedac) for converting,...
Jun8-12 07:19 AM
RSachse
15 10,534
Just read this article on the International Linear Collider http://physicsweb.org/articles/news/11/2/10/1 Looks...
Feb8-07 07:00 PM
jtbell
15 1,643
How is it possible to have a pion that is made up of a linear combination of quarks? I mean, what are the physical...
Jun21-07 02:52 PM
humanino
15 2,608
Thanx to all who helped me with my first posts. Now on to bigger and better things! The Binding Energy Curve shows...
Aug23-07 12:31 PM
Potaire
15 4,391
Don't think me silly, but the first question is, where do excess neutrons go? If I do a fission reaction and get...
Oct4-07 11:58 AM
malawi_glenn
15 2,570
i have a doubt..what would happen when matter and antimatter meets..e.g what would be the result of neutrino + anti...
Nov14-07 09:16 AM
malawi_glenn
15 2,318
Hi guys, I have some general questions and was hoping some of you might be able to answer them. Does anyone know...
Apr13-08 05:57 AM
Vanadium 50
15 2,146
Is neutron diffusion, traveling neutrons from the nucleus, to direction outside of the nucleus? In my textbook says...
Apr9-08 02:06 PM
Physicsissuef
15 2,801
What is the typical efficiency (as a function of muon energy and/or rapidity) of a moun detector at an accelerator...
May6-08 01:58 PM
EL
15 1,999
N=1 SUSY (massless) multiplets contain two particles with helicities differering by half a unit . So one possible...
Jul9-08 12:47 PM
blechman
15 3,261
Hi, I'm curious as to what the most prevalent theories are as to why there are three generations of particles. I've...
Jul14-08 03:55 PM
arivero
15 2,727
The real joke would be if nothing were found after all the money that has been spent on this project. Total...
Sep13-08 06:52 PM
nottheone
15 1,734
I went to see the LHC (my version of a pilgrimage to Mecca). I bought a tshirt with a formula on it, but I can't find...
Jul11-12 12:55 AM
Coin
15 7,247
How many gluons are there in a proton? http://upload.wikimedia.org/wikipedia/commons/9/92/Quark_structure_proton.svg...
Aug18-11 06:24 PM
Vanadium 50
15 8,322
What are flavor arguments that prevent a gluon from decaying into quark and photon, or anti-quark and photon, etc?
Dec24-11 01:38 AM
tom.stoer
15 3,103
If most of the mass/energy of a proton is due to the kinetic energy of its quarks and gluons, rather than interaction...
Dec20-11 02:38 PM
torquil
15 2,852
I have been learning some stuff off of youtube, but I did not get a full enough understanding of how quarks have...
May21-12 04:03 PM
AdrianTheRock
15 4,803
I might misunderstand the higgs mechanism. And I have a puzzle. Consider an electron in an accelerater. It is...
Mar22-12 04:43 AM
DrDu
15 1,846
Hi everyone. I'm kind of new here, please be nice. So I was reading up some physics and came across the fact that...
Nov6-12 10:40 AM
kokolovehuh
15 2,261
After playing around with possible charges for new fermionic fields, I came to the conclusion that ONLY the U(1) gauge...
Dec5-13 09:43 PM
dauto
15 982
I am trying to learn what a Beta+ decay really is, and I dont really understand. For instance, how on Earth can a...
Jan29-14 09:32 AM
Bill_K
15 794
Hi, I'm a little confused about positronium. Accouring to this article http://www.answers.com/topic/positronium...
Feb1-14 06:04 PM
Bill_K
15 908
Hello, I'm having trouble understanding why if there are dark matter particles and other such particles (neutrinos)...
Mar5-14 12:47 PM
RGevo
15 831
For a 2nd order electron-positron scattering, the following diagrams are possible:...
Mar22-14 06:05 PM
daca
15 943

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