Model-Independent Study of Structure in B+→D+D−K+ Decays; Physical Review Letters; Vol. 125, iss. 24
| Parent link: | Physical Review Letters Vol. 125, iss. 24.— 2020.— [242001, 10 p.] |
|---|---|
| Institutionella upphovsmän: | Национальный исследовательский Томский политехнический университет Инженерная школа информационных технологий и робототехники, Национальный исследовательский Томский политехнический университет Исследовательская школа физики высокоэнергетических процессов |
| Övriga upphovsmän: | Aaij R. Roel, Beteta C. A. Carlos Abellan, Ackernley T., Adeva B. Bernardo, Eydelman S. I. Semen Isaakovich, Kharisova A. E. Anastasiya Evgenjevna, Panshin G. L. Gennady Leonidovich |
| Sammanfattning: | Title screen The only anticipated resonant contributions to B+→D+D−K+ decays are charmonium states in the D+D− channel. A model-independent analysis, using LHCb proton-proton collision data taken at center-of-mass energies of √s=7, 8, and 13 TeV, corresponding to a total integrated luminosity of 9 fb−1, is carried out to test this hypothesis. The description of the data assuming that resonances only manifest in decays to the D+D− pair is shown to be incomplete. This constitutes evidence for a new contribution to the decay, potentially one or more new charm-strange resonances in the D−K+ channel with masses around 2.9 GeV/c2. |
| Språk: | engelska |
| Publicerad: |
2020
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| Ämnen: | |
| Länkar: | https://doi.org/10.1103/PhysRevLett.125.242001 |
| Materialtyp: | Elektronisk Bokavsnitt |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=664670 |
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