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Title: Search for tetraquark states X c c s ¯ s ¯ in D s + D s + ( D s * + D s * + ) final states at Belle

Journal Article · · Physical Review D
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A search for double-heavy tetraquark state candidates Xccs¯s¯ decaying to $$D$$$^{+}_{s}$$$$D$$$$^{+}_{s}$$ and $$D$$*$$^{+}_{s}$$$$D$$*$$^{+}_{s}$$ is presented for the first time using the data samples of 102 × 106 Υ(1S) and 158 × 106 Υ(2S) events, and the data samples at √s = 10.52,10.58, and 10.867 GeV corresponding to integrated luminosities of 89.5, 711.0, and 121.4 fb–1, respectively, accumulated with the Belle detector at the KEKB asymmetric energy electron-positron collider. The invariant-mass spectra of the $$D$$$^{+}_{s}$$$$D$$$$^{+}_{s}$$ and $$D$$*$$^{+}_{s}$$$$D$$*$$^{+}_{s}$$ are studied to search for possible resonances.

Research Organization:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE
Contributing Organization:
Belle Collaboration
Grant/Contract Number:
SC0012704
OSTI ID:
1843994
Alternate ID(s):
OSTI ID: 1855079
Report Number(s):
BNL-222865-2022-JAAM; PRVDAQ; 032002
Journal Information:
Physical Review D, Journal Name: Physical Review D Vol. 105 Journal Issue: 3; ISSN 2470-0010
Publisher:
American Physical SocietyCopyright Statement
Country of Publication:
United States
Language:
English

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