Unknown
American Physical Society (APS)
Publication Date:
2015-09-16
Description:
Author(s): T. N. Pham The η − η ′ mixing mass term due to the derivative coupling S U ( 3 ) × S U ( 3 ) symmetry breaking term, produces an additional momentum-dependent pole term for processes with η ′ but is suppressed in the η amplitude by a factor m η 2 / m η ′ 2 . This seems to be the origin of the two-angle description of the pseudoscal… [Phys. Rev. D 92, 054021] Published Tue Sep 15, 2015
Keywords:
Strong Interactions
Print ISSN:
0556-2821
Electronic ISSN:
1089-4918
Topics:
Physics
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