This title appears in the Scientific Report :
2015
Please use the identifier:
http://hdl.handle.net/2128/9784 in citations.
Please use the identifier: http://dx.doi.org/10.1103/PhysRevD.92.034020 in citations.
Refined analysis on the $X ( 3872 )$ resonance
Refined analysis on the $X ( 3872 )$ resonance
We study the property of the X(3872) meson by analyzing the B→KDD¯∗ and B→KJ/ψπ+π− decay processes. The competition between the rescattering mediated through a Breit-Wigner resonance and the rescattering generated from a local DD¯∗→DD¯∗ interaction is carefully studied through an effective Lagrangia...
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Personal Name(s): | Meng, Ce (Corresponding author) |
---|---|
Sanz-Cillero, Juan José / Shi, Meng / Yao, De-Liang / Zheng, Han-Qing | |
Contributing Institute: |
Institut 3 (Theoretische Kernphysik); IKP-3 Theorie der Starken Wechselwirkung; IAS-4 |
Published in: | Physical Review D Physical review / D, 92 92 (2015 2015) 3 3, S. 034020 034020 |
Imprint: |
[S.l.]
Soc.
2015
2015-08-21 2015-08-01 |
DOI: |
10.1103/PhysRevD.92.034020 |
Document Type: |
Journal Article |
Research Program: |
Computational Science and Mathematical Methods |
Link: |
OpenAccess OpenAccess |
Publikationsportal JuSER |
Please use the identifier: http://dx.doi.org/10.1103/PhysRevD.92.034020 in citations.
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520 | |a We study the property of the X(3872) meson by analyzing the B→KDD¯∗ and B→KJ/ψπ+π− decay processes. The competition between the rescattering mediated through a Breit-Wigner resonance and the rescattering generated from a local DD¯∗→DD¯∗ interaction is carefully studied through an effective Lagrangian approach. Three different fits are performed: pure Breit-Wigner case, pure DD¯∗ molecule case with only local rescattering vertices (generated by the loop chain), and the mixed case. It is found that data supports the picture where X(3872) is mainly a (c¯c) Breit-Wigner resonance with a small contribution to the self-energy generated by D¯D∗ final state interaction. For our optimal fit, the pole mass and width are found to be: MX=3871.2±0.7 MeV and ΓX=6.5±1.2 MeV. | ||
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