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Does anyone know if there are any theories to the possibility that the Down Quark is composed of an Up Quark and an electron? I once heard that when a Proton and Electron mix it produces a neutron. So if this is true then if you mix an Up Quark and an electron it must form a down quark...I am not sure though. - BlackWidower
If you talk about the particle zoo where more and more discoveries are made each year. wouldn't there infact be a sub particle zoo within each particle of the so-called particle zoo. In other words wouldn't the structure of each particle be composed of a group of smaller particles which would be composed of a sub-group of smaller particles and so on to infinity and beyond? Can a human being visualize what an infinitesimally small particle could be like or not. In other words do we really really really know what it's all about; or just suppose. Carl Kravis
if some one can get a hold of C. T. H. Davies, C. McNeile, K. Y. Wong, E. Follana, R. Horgan, K. Hornbostel, G. P. Lepage, J. Shigemitsu, H. Trottier. Precise Charm to Strange Mass Ratio and Light Quark Masses from Full Lattice QCD. Physical Review Letters, 2010; 104 (13): 132003 DOI: 10.1103/PhysRevLett.104.132003 it is purported to have refined values for both qu and qd Abyssoft ( talk) 04:45, 24 May 2010 (UTC)
Mass of the Common Quark Finally Nailed Down by Adrian Cho on April 2, 2010 5:56 PM http://news.sciencemag.org/sciencenow/2010/04/mass-of-the-common-quark-finally.html which uses the above as it's source lists 4.79 +/- 0.16 MeV for d and 2.01 +/- 0.14 MeV for u Abyssoft ( talk) 18:19, 20 June 2010 (UTC)
2010 PDG values have been posted,
http://pdg.lbl.gov/2010/2010/tables/rpp2010-sum-quarks.pdf
I will wait a few more days before making the changes to mass. If there are no objections I'll apply the changes on Friday August 06, 2010 sometime between 0700 and 2200 UTC.
Abyssoft (
talk)
20:26, 2 August 2010 (UTC)
2011/2012 values posted
5.0+0.7
−0.9
MeV/c2
if no objections I'll apply the changes next friday.
74.202.23.198 (
talk)
00:00, 29 February 2012 (UTC) [Abyssoft not signed in]
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The body of this article is extremely similar to the body of Up quark, so I suspect that someone copied-and-pasted one from the other then changed the masses and such. Is this okay? Care to differ or discuss with me? The Nth User 03:53, 27 January 2019 (UTC)