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Title: Amplitude analysis of D + K S 0 π + π + π -

Journal Article · · Physical Review. D.
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The decay D + K S 0 π + π + π - is studied with an amplitude analysis using a data set of 2.93 fb - 1 of e + e - collisions at the ψ ( 3770 ) peak accumulated by the BESIII detector. Intermediate states and nonresonant components, and their relative fractions and phases, have been determined. The significant amplitudes, which contribute to the model that best fits the data, are composed of five quasitwo-body decays K S 0 a 1 ( 1260 ) + , K ¯ 1 ( 1270 ) 0 π + K ¯ 1 ( 1400 ) 0 π + , K ¯ 1 ( 1650 ) 0 π + , and K ¯ ( 1460 ) 0 π + , a three-body decay K S 0 π + ρ 0 , as well as a nonresonant component K S 0 π + π + π - . The dominant amplitude is K S 0 a 1 ( 1260 ) + , with a fit fraction of ( 40.3 ± 2.1 ± 2.9 ) % , where the first and second uncertainties are statistical and systematic, respectively.

Research Organization:
George Washington Univ., Washington, DC (United States); Indiana Univ., Bloomington, IN (United States); Carnegie Mellon Univ., Pittsburgh, PA (United States); Univ. of Hawaii, Honolulu, HI (United States); Univ. of Minnesota, Minneapolis, MN (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Nuclear Physics (NP); National Natural Science Foundation of China (NSFC); USDOE Office of Science (SC), High Energy Physics (HEP)
Contributing Organization:
BESIII Collaboration
Grant/Contract Number:
SC0016583; FG02-05ER41374; SC0010118; SC0010504; SC0012069
OSTI ID:
1570874
Alternate ID(s):
OSTI ID: 1594367
Journal Information:
Physical Review. D., Journal Name: Physical Review. D. Vol. 100 Journal Issue: 7; ISSN 2470-0010
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 4 works
Citation information provided by
Web of Science

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