# High Energy, Nuclear, Particle Physics

- Properties, relationships, and interactions of subatomic particles. Exp. & theo. physics of nuclei & elementary particles
 Meta Thread / Thread Starter Last Post Replies Views Views: 2,561 Announcement: Follow us on social media and spread the word about PF! Jan16-12 Pinned: Higgs particle is 'found' ( 1 2 3 ... Last) 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 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