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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
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 25,902
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 62,378
Hello. I read about fast neutron therapy for cancer and the therapy uses a beam of high energy neutrons. How do you...
Nov24-13 01:52 PM
anorred
2 674
from what I understand, the higgs boson is basically a wave in the higgs field. I understand that they have a lot of...
Jan24-14 03:54 PM
ChrisVer
12 839
Dear all, I have encountered many times in litterature phrases "Inclusice process/ cross section" and exclusive...
Feb23-10 07:33 AM
humanino
1 891
Dear all I have done some studies trying to understand the relation between the QCD theta angle and neutron...
Apr25-10 01:48 AM
ansgar
3 2,135
Till sometime it was believed that Black Holes were impossible to create ( made by men ), now some theories which were...
Oct4-13 10:46 AM
stevebd1
4 4,215
when the smallest particle is cut in half over and over again infinitely times, it will never disappear... since I...
Aug20-10 06:15 PM
Kevin_Axion
3 871
I'm slightly confused as to how we discuss centre of mass frames in nuclear reactions. We have the reaction...
Mar8-14 06:28 PM
mfb
6 700
Hi, I'm just getting a little confused with all the definitions here and I need some confirmation on what I say is...
May18-14 02:27 PM
samalkhaiat
3 759
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
15 953
I lost mine and I need an ftp address (+login+pass) from the Moskow State University's Photonuclear Center. It is in...
Oct9-04 08:27 AM
Antimatter
2 1,617
For n by n matrices H^{+}_n H^{-}_n a(Hn+)(bHn-)=n^(m-1)Hn+, if a and b are even integers, ...
Jan9-04 12:12 PM
Antonio Lao
0 1,430
Quantized space H can only exist in one dimension. Its equation is given by equation 1-1, the square of the total...
Jan9-04 11:44 AM
Antonio Lao
0 2,032
I recently read that in the way we class particles if we measure the properties of two different particles and class...
Mar12-11 07:38 AM
_PJ_
11 1,752
I refer to the last paragraph of http://physicsworld.com/cws/article/news/46592 quote: A few hundred milliseconds...
Jul20-11 06:43 PM
Drakkith
1 1,573
Just a quick question, has any research instutute such as CERN managed to produce a new stable particle such as a...
May9-05 11:24 PM
Chronos
13 1,568
The neutron decey is proceeded bij the weak force. Therefore I would expect a lifetime of 10^{-10} second But it...
Mar8-06 10:51 AM
arivero
16 2,845
What are generations of particles and how are they organized into the different groups. What similarities do two...
Oct29-12 05:47 PM
kurros
7 1,048
Hello! I'm new to the forum so please don't mind any mishaps. I am very interested in the unstable radioactive...
Jan28-11 08:35 AM
bcrowell
5 3,587
Can someone explain me what is mass according to the Standard Model? I read that the Higgs boson "gives" mass to...
Jul4-12 12:28 AM
tom.stoer
1 1,036
We're building a very high power xenon flashlamp with electrodes so far apart that some kind of pre-ionization is...
Jun21-10 11:42 PM
Antiphon
3 2,587
Just curious. The Planck length is lpl = (hG/c3)1/2 = 10-33cm And it seems intuitive that it's c cube because...
Mar2-14 08:24 PM
ChrisVer
6 776
I wish to know Wood Saxon potential - the basic idea and how that can be applied for bound systems of particles....
Sep13-11 08:45 PM
apkrishna1963
0 1,797
Hello all I am new here, please pardon me if I have posted to the wrong board. My question should be fairly simple....
Mar16-04 02:25 PM
apollo389
0 1,638
I've been reading up on neutrino oscillations and I have come across this issue. I know that oscillations are...
Apr18-10 10:05 PM
jeblack3
2 2,053
Does anyone know where I can find experimental data on the life time of charged pion decay? More specifically the life...
Apr12-11 12:11 PM
fzero
3 1,577
Over the years by using particle accelerators we've discovered all kinds of particles such as muons, gluons, etc. What...
Jun14-08 01:13 PM
lbrits
7 2,218
http://scitation.aip.org/content/aip/magazine/physicstoday/article/66/12/10.1063/PT.3.2212
Feb7-14 10:53 PM
arabianights
0 684
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 4,092
The absorption or emission of W bosons changes neutrons to protons or protons to neutrons.Also,W bosons are almost 100...
Jul1-11 05:22 AM
minerva
13 2,363
Last week I was watching events at the LHC at this screen: http://lhc.web.cern.ch/lhc/ when something happened and...
Nov5-10 08:41 AM
Vanadium 50
1 1,274
How is it possible that the strong nuclear force is directly proportional to distance? How could all the atoms in the...
Sep25-10 08:23 AM
tom.stoer
3 2,053
Just trying to get my head around the very basics of the Higgs discovery. Could someone describe the relationship...
Jul5-12 11:21 AM
Simon Bridge
5 983
hi, does anybody know what kind of charge the "q" stand for in the higgs mechanism? I mean the mechanism between...
Aug5-12 01:18 PM
AdrianTheRock
4 1,259
How can I calculate this part? \int \frac{d^4k} {(2 \pi)^4} \frac{k_\alpha k_\beta} {(k^2-m_w^2)^2 (k^2-m_c^2)...
Dec1-11 10:57 AM
aries0152
0 1,557
1. The problem statement, all variables and given/known data Hi I was reviewing this paper. But I stuck in the last...
Jul22-12 04:34 AM
aries0152
0 529
While reviewing the paper- Coupling of a vector gauge field to a massive tensor field I found the term- 2\mu^2...
Jul29-12 09:38 AM
aries0152
0 722
Hello all. I am a layperson that is very interested in science. I am particularly intrigued with what results the...
Apr10-08 10:16 PM
humanino
1 1,993
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 4,530
http://www.math.ucr.edu/home/baez/octonions/node7.html contains an intriguing speculative piece: Now, if we had...
Jul8-07 08:13 PM
arivero
0 1,116
A couple years ago it was typical to see in articles, and to hear in conferences, specially when discussing about the...
Aug12-07 03:09 PM
arivero
3 1,488

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