Violations of Dashen's theorem
نویسندگان
چکیده
منابع مشابه
Violations of Dashen’s Theorem
The electromagnetic contribution to the K − K mass difference is calculated in the 1/Nc approach including the SU(3) breaking contributions due to a non-zero strange quark mass. The short-distance contribution can be unambiguously determined in terms of the known parameters of the next-to-leading order chiral lagrangian. The long distance part is estimated using the 1/Nc approach by Bardeen et ...
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ژورنال
عنوان ژورنال: Physics Letters B
سال: 1993
ISSN: 0370-2693
DOI: 10.1016/0370-2693(93)90089-z