David Bourget (Western Ontario)
David Chalmers (ANU, NYU)
Rafael De Clercq
Jack Alan Reynolds
Learn more about PhilPapers
Particle physicists, over the last 50 years, have discovered several hundred strongly interacting “elementary” particles. The list of such particles begins with the proton and the p meson and goes up from there. We now understand that all of these particles are actually composites, formed from various combinations of quarks. Such particles are normally classified in two types. Mesons (the name implies medium weight) are particles with masses that go up from 140 MeV/c 2 and have an intrinsic angular momentum or “spin” that is an integer in units of ħ (Planck’s constant over p). Baryons (the name implies heavy weight) are particles with masses that go up from 938 MeV/c 2 and have half-integer spin. This column is about the discovery of the pentaquark, a brand new form of matter that represents a new particle species, neither meson nor baryon, but a combination of both
|Keywords||No keywords specified (fix it)|
No categories specified
(categorize this paper)
Setup an account with your affiliations in order to access resources via your University's proxy server
Configure custom proxy (use this if your affiliation does not provide a proxy)
|Through your library||
References found in this work BETA
No references found.
Citations of this work BETA
No citations found.
Similar books and articles
Robert C. Hilborn & Candice L. Yuca (2002). Identical Particles in Quantum Mechanics Revisited. British Journal for the Philosophy of Science 53 (3):355-389.
Simon Saunders (2006). Are Quantum Particles Objects? Analysis 66 (289):52–63.
Tobias Fox (2008). Haunted by the Spectre of Virtual Particles: A Philosophical Reconsideration. [REVIEW] Journal for General Philosophy of Science 39 (1):35 - 51.
Kostas Gavroglu (1989). Simplicity and Observability: When Are Particles Elementary? Synthese 79 (3):89 - 100.
Sheldon Goldstein, James Taylor, Roderich Tumulka & Nino Zanghi (2005). Are All Particles Real? Studies in History and Philosophy of Science Part B 36 (1):103-112.
C. G., G. R. & H. J. (1998). Predicting the Motion of Particles in Newtonian Mechanics and Special Relativity. Studies in History and Philosophy of Science Part B 29 (1):81-122.
Added to index2009-01-28
Total downloads7 ( #183,895 of 1,098,981 )
Recent downloads (6 months)1 ( #287,052 of 1,098,981 )
How can I increase my downloads?