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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 58,718
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 25,162
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 4,554
didn't know where to post this. Was wondering earlier why objects have mass so i googled it.. i'm in grade 12 so...
Mar12-08 11:56 AM
humanino
29 4,550
Hi all. I'm new to this forum, but I checked the FAQs and I think I'm in the right place to ask this: Is there just...
Jun18-08 02:08 AM
pmb_phy
4 4,542
I was wondering what the different between pseudorapidity and rapidity was (pertaining to a high energy accelerator)....
Jul1-07 03:05 PM
Hans de Vries
5 4,533
http://www.symmetrymagazine.org/breaking/2010/08/23/the-strange-case-of-solar-flares-and-radioactive-elements/ I just...
Aug24-11 03:41 PM
Drakkith
13 4,529
As the title says- what is it that makes all mesons unstable? I know some quarks are less stable than others...
Oct18-13 02:13 PM
dauto
10 4,524
I've been thinking about nuclear fusion process in the sun, and stumbled upon something weird: Basically, why there...
Jul3-09 06:58 PM
qraal
11 4,521
Can graviton possible act like gluon ball? Why not?
Jan11-09 06:56 PM
glueball8
25 4,520
A relatively recent story about anti-matter being created by lightning caught my eye. ...
Oct9-11 05:20 PM
benb1990
14 4,519
Hello, if someone could enlighten me I'd be most grateful. Also, if anybody could point me in the direction of...
Mar1-11 05:25 AM
mmaa
22 4,510
That is, how many different states are there assuming you distinguish two particles as different if they have...
Feb25-10 12:36 PM
arivero
12 4,503
Hey I was just wondering anyone knew the mechanisim (specific if you got it) by which they create the antiprotons...
Oct14-08 08:50 AM
Vanadium 50
4 4,503
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 4,497
With the recent announcement at Cern there have been many video clips published describing the Higgs field. They show...
Aug12-12 07:11 AM
Vanadium 50
39 4,496
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
arivero
40 4,488
I'm new to quantium physics but taking an interesting and trying to read more every day. I have a bit of a silly...
Jun11-05 09:08 AM
James Jackson
5 4,486
Where can all the classic papers by the experimentalists that layed the foundation for nuclear physics be...
Nov12-06 12:26 PM
Gokul43201
4 4,486
It is well know that massless spin-1 gauge bosons have two spin states sł=+1 and sł=-1. There are two independent...
May18-11 05:01 PM
tom.stoer
29 4,482
If anyone can help me with this question I'd be greatly appreciative.... Here's what I think I understand: Nuclear...
Jul13-08 11:25 PM
pfalk
3 4,477
Im trying to use the Bethe formula (http://en.wikipedia.org/wiki/Bethe_formula) to find dE/dx for a particle through a...
Jul2-09 04:05 PM
humanino
3 4,465
Today my freind sent me a vid showing nuclear explosions and I was wondering what makes the huge explosion... I...
Jul20-06 09:03 PM
Astronuc
8 4,457
Based on this page: http://en.wikipedia.org/wiki/Fundamental_interaction How do photon, gluons, w and z bosons, and...
Oct15-07 04:35 PM
ZapperZ
23 4,453
Hi, I thought pions were assigned parity of -1, but how then can the Pi0 decay into two photons with parity -1?? ...
Mar18-07 05:46 PM
Joe1
5 4,446
Hello everybody, I have to calculate the matrix element of the process gg-->ttbar-->lnub lnub (ttbar dileptonic...
May15-07 08:31 AM
pierrechevalier
0 4,443
What exactly are neutrinos doing(their purpose)?
Jun7-07 12:23 PM
stochastic
16 4,442
I saw a video where a professor said "So you do it by ... using e=mc^{2} ... you collide some protons at huge...
Jul2-12 10:21 AM
mfb
32 4,438
Hi guys First of all apologies if my question appears naive or simplistic - new to this field. I have read that...
Feb21-08 01:10 PM
humanino
4 4,436
So I've been playing around with different electroweak lagrangians (sourceless, higgsless, unbroken, broken, etc), and...
Sep30-10 03:46 PM
michael879
30 4,435
Ummm...I don't know if this is the best section for this... but... it is said that a negetive energy can be created...
Oct2-05 06:55 PM
robousy
23 4,432
I read this in a paper: Suppose there is a theory describing fermions transforming nontrivially under SU(3) gauge...
Nov23-07 09:36 PM
blechman
2 4,432
Can buckyballs compress hydrogen into high-density metallic form? ...
Apr29-08 04:54 PM
mheslep
3 4,425
Basic question, but nevertheless. In a non-Abelian gauge theory, the fermions transform in the fundamental...
Nov6-10 06:47 PM
tom.stoer
5 4,416
Hey all, I am currently revising for my Physics mock but i can't get my head around high energy electron...
Dec27-06 04:31 PM
Edgardo
6 4,413
Are there laws forbidding that reaction? Which ones? Thanks
Apr23-11 05:44 PM
kloptok
14 4,413
I'm having a problem understanding QGP. Hadrons are bound states of quarks which interact by interchanging colour....
Feb18-08 02:18 PM
malawi_glenn
5 4,409
What I'm looking to understand is why fission and or fusion result in the release of energy. I understand that: ...
Nov9-09 05:05 PM
Frame Dragger
6 4,407
Ive studied how chain reaction of proton-proton powers the stars, I also know that proton-proton fusion will convert...
Dec20-10 12:59 AM
Deepak247
11 4,407
Hi, When we consider the two neutrino mixing case, we have the matrix that converts between them as given below ...
Oct17-11 06:55 AM
McLaren Rulez
16 4,397
Can we calculate the difference in mass between a Proton and Neutron? If so, how?
Nov16-10 08:06 PM
Passionflower
24 4,390
I've heard quite abit of things about bosons and am quite confused. The biggest thing which distinguishes fermions...
Jul17-05 04:13 PM
Rade
34 4,386

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