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Title: Are protons nonidentical fermions?

We briefly review the progress of our investigation on the electric (charge) radius of the proton. In order to explain the recently measured proton radius, which is significantly smaller than the standard CODATA value, we assume that the real protons radii are not identical, they are randomly distributed in a certain range. To obtain the measured radius we average the radii and fit both the mean radius and the range. By using an averaged dipole form factor we obtain the charge radius r{sub E} = 0.8333 fm, in accordance with the recent measurement of the Lamb shift in muonic hydrogen.
Authors:
 [1]
  1. Department Fisika, FMIPA, Universitas Indonesia, Depok 16424 (Indonesia)
Publication Date:
OSTI Identifier:
22307907
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1617; Journal Issue: 1; Conference: ICTAP 2013: 3. international conference on theoretical and applied physics, Malang, East Java (Indonesia), 10-11 Oct 2013; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; DIPOLES; ELECTRIC CHARGES; FORM FACTORS; HYDROGEN; LAMB SHIFT; MUONIC ATOMS; PARTICLE RADII; PROTONS; REVIEWS