Journal
COMMUNICATIONS IN THEORETICAL PHYSICS
Volume 57, Issue 6, Pages 1033-1036Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0253-6102/57/6/15
Keywords
X(3872); exotic-charmonium states; QCD rules
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Funding
- National Natural Science Foundation of China [10975184, 11047117, 11105222, 11105223]
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In this article, we test the nature of X(3872), which is assumed to be a P-wave [cq]-scalar-diquark [(cq) over bar]-axial-vector-antidiquark tetraquark state with J(P) = 2(-). The interpolating current representing the J(P) = 2(-) state is proposed. Technically, contributions of the operators up to dimension six are included in the operator product expansion. The mass obtained for such state is m(2-) = (4.38 +/- 0.15) GeV. We conclude that it is impossible to describe the X(3872) structure as J(P) = 2(-) tetraquark state.
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