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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 57,504
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 24,994
dear all, currently iam doing my phD in theoretical nuclear physics. i have come across some problem that requires...
Sep16-09 09:17 PM
rajesh7796
0 1,350
At certain concentrations of energy, there is the possibility of particles with mass forming. How does one measure...
Sep29-10 01:04 AM
nomadreid
4 1,350
I do not intend to start yet another thread on 'virtual' particles and whether they are part of physical reality. But...
Apr10-11 03:29 AM
Lapidus
4 1,350
hi i'm in a dielema. i dont know if it is the right place to post the thread. if every particle is destined by the...
Aug2-05 06:36 PM
Nereid
1 1,349
Is this text relevant? http://www.naturalnews.com/033101_sun_particles_radioactive_decay.html
Jul24-11 07:34 PM
bcrowell
3 1,349
Hello I am looking to learn about Lattice Gauge Theory. I am already understand the general theory, (that is,...
Jan2-12 05:55 AM
torquil
1 1,348
Yes, the same questions as in the topic. What gives particles their property, like charge, structure, what to interact...
Jun6-06 05:33 AM
Reshma
1 1,346
I am extending the standard model symmetry group by introducing discrete symmetry (Z2). The group could be (I, G) or...
Jun8-11 02:13 PM
amrashed
0 1,345
In what sense is the higgs particle expected to be discovered at the LHC? I mean, the Higgs field has a non-vanishing...
Apr9-12 05:57 PM
Bill_K
3 1,345
hi, I am a PhD student and I'm looking for a course or resources on the hadronic jets and the models used to deal...
May13-09 03:10 PM
blechman
1 1,344
The first tests of North-Korean nuclear bombs were reported to be "just a nuclear fizzle". What does that mean? Was...
Feb5-10 04:44 PM
bcrowell
1 1,344
What is the heaviest possible hypernucleus (atom), and why? Are hypernuclei prone to exist with isotopes with more...
Jun15-10 03:36 PM
jerich1000
3 1,343
I have a few questions regarding matter creation and photon collisions. When photons collide into each other, can you...
Apr24-12 09:26 PM
fzero
1 1,343
Hello: I have a problem and I need your help, please. I need to solve the problem 6.8 from "Quarks and Leptons. An...
May13-12 10:27 PM
elmerx25
0 1,343
And are reactions in particle physics reversible at all? If so, why don't we ever see Gibbs free energy used in...
Mar25-11 03:40 PM
element4
3 1,342
I am currently reading E=Mc^2 and have a quick question regarding some of the nuclear fusion they describe that takes...
Jan29-12 02:38 PM
Astronuc
1 1,342
I've learned the following about the appearance of tracks of particles in a collider: Electron: Doesn't pass...
May31-11 07:40 PM
KyleStreet
0 1,341
I want this paper "QCD and resonance physics. theoretical foundations" by M. A. Shifman, A. I. Vainshteinstar, filled...
Nov4-05 12:56 AM
Mk
2 1,339
dear all, I am eager to read the "Gauge Theories of the Strong and Electroweak Interaction" wriiten by Manfred...
Jul6-08 08:47 AM
Norman
1 1,339
Could somebody explain how an imaginary phase in some of the CKM matrix elements represents a CP-violation factor?
Sep9-08 09:20 PM
hamster143
1 1,339
Tell me why Cobalt 60 is used as a source for getting the operating voltage of a GM counter ? IS it beacause it...
Oct7-09 08:34 AM
mkbh_10
0 1,339
Are there any developed theories to explain why Muons and Taus decay so quickly, and why they don't stick around and...
Oct10-10 07:38 AM
Vanadium 50
1 1,339
Hi All, I've been watching the Weinberg youtube video: http://www.youtube.com/watch?v=Zl4W3DYTIKw and I have...
Jul23-12 03:40 PM
docbillnet
7 1,339
Since Higgs boson is a boson and they are said to be the force carriers, wouldn't that imply that there's a new, 5th...
Jul15-12 06:37 AM
tom.stoer
5 1,338
Hi, I read about Noether's theorem, which states that if, under a continuous transformation, the Lagrangian is...
Oct26-13 03:30 PM
vanhees71
1 1,338
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
arivero
2 1,337
I want to know why in many cases when we use optical model to calculate the cross section of nuclear reaction, we...
Feb21-08 08:02 AM
ndtkhanhtrinh
0 1,337
Dirac Equation as Example, Dirac Equation: \left(i\gamma^\mu \partial_\mu -m \right)\psi(x)=0 Can I write it in...
May7-13 09:27 AM
PRB147
9 1,337
Ok, well I'm sorry if this is the wrong section but it has to do with energy and nuclear physics. I have to present...
Mar11-09 06:31 PM
Bob S
3 1,336
In Weinberg's book, Quantum theory of fields-II, he talks about a chair in the chapter on spontaneous symmetry...
Sep26-09 06:43 AM
krishna mohan
2 1,336
Is there any current theory for the following oddities? 1. Quarks come in pairs (up,down). (charm,strange),...
Mar8-05 04:11 PM
nightcleaner
2 1,335
Does anyone have opinion on this paper by Dr. Mishustin on theoretical possibility of coexistence of matter and...
May26-06 08:03 AM
Rade
1 1,335
Hello: Can anyone please tell me how do they identify the particles in the detectors?+, for instance,...
Sep17-09 02:29 PM
Bob S
5 1,335
Hi! I have encountered many differential crossections: \frac{d\sigma}{dE_+d\Omega _+ d \Omega _-} (Pair...
Oct3-08 08:30 AM
malawi_glenn
2 1,334
I have difficult on finding the numbers of neutrons or protons can occupy the following energy states: (1g), (g 9/2)...
Mar1-06 12:46 PM
kidia
0 1,333
Amid the petabytes of information about to stream forth from Europe, how will Physics know if it has been wrong about...
Sep11-08 01:39 AM
atyy
2 1,333
I am curious as to how much energy a photon contains such as one with an extremely high wavelength such as a radio...
Nov30-08 01:58 PM
clem
1 1,333
Hi guys, I'm a bit puzzled. I'm just reading some offline lecture notes where the Feynman rules of real (!) scalars...
Jun7-11 04:08 AM
earth2
0 1,333
example: 2 protons collide and a down-antidown quark pair is created, giving a pi-plus meson, a neutron and a proton....
Jan17-06 02:48 PM
QueenFisher
2 1,332
Question in title. Indeed, how are any particle masses determined? And especially quarks, since they have the added...
May10-09 02:21 AM
genneth
1 1,332

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