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ELECTROMAGNETIC NEUTRONPROTON MASS DIFFERENCE IN THE SKYRME MODEL
Date
1987-05-07
Author
EBRAHIM, A
Savcı, Mustafa
Metadata
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An allegedly complete calculation of the neutron-proton mass difference in the Skyrme model reported recently, claiming a correct sign and a 16% agreement with experiment, is re-examined. After analytical and numerical inaccuracies in the reportes calculation are eliminated, it gives a value for the mass difference which, both in magnitude and sign, is different from that reported, and is consistent with the expectation that the calculation merely represents the electromagnetic contribution to, and not a complete calculation of, the neutron-proton mass difference in the Skyrme model.
Subject Keywords
Astronomy & astrophysics
,
Particles & fields
,
Physics
,
Nuclear
URI
https://hdl.handle.net/11511/40960
Journal
PHYSICS LETTERS B
DOI
https://doi.org/10.1016/0370-2693(87)91445-6
Collections
Department of Physics, Article
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A. EBRAHIM and M. Savcı, “ELECTROMAGNETIC NEUTRONPROTON MASS DIFFERENCE IN THE SKYRME MODEL,”
PHYSICS LETTERS B
, pp. 343–346, 1987, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/40960.