Evidence for a New Structure in the J/ψp and J/ψ¯p Systems in B0s→J/ψp¯p Decays; Physical Review Letters; Vol. 128, iss. 6
| Parent link: | Physical Review Letters Vol. 128, iss. 6.— 2022.— [062001, 11 p.] |
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| Korporace: | , |
| Další autoři: | , , , , , |
| Shrnutí: | Title screen An amplitude analysis of flavor-untagged B0s→J/ψp¯p decays is performed using a sample of 797±31 decays reconstructed with the LHCb detector. The data, collected in proton-proton collisions between 2011 and 2018, correspond to an integrated luminosity of 9 fb−1. Evidence for a new structure in the J/ψp and J/ψ¯p systems with a mass of 4337+7−4 +2−2 MeV and a width of 29+26−12 +14−14 MeV is found, where the first uncertainty is statistical and the second systematic, with a significance in the range of 3.1 to 3.7σ, depending on the assigned JP hypothesis. |
| Jazyk: | angličtina |
| Vydáno: |
2022
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| Témata: | |
| On-line přístup: | http://earchive.tpu.ru/handle/11683/80994 https://doi.org/10.1103/PhysRevLett.128.062001 |
| Médium: | MixedMaterials Elektronický zdroj Kapitola |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=668769 |
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| 200 | 1 | |a Evidence for a New Structure in the J/ψp and J/ψ¯p Systems in B0s→J/ψp¯p Decays |f R. Aaij, A. S. Abdelmotteleb, C. A. Beteta [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: 47 tit.] | ||
| 330 | |a An amplitude analysis of flavor-untagged B0s→J/ψp¯p decays is performed using a sample of 797±31 decays reconstructed with the LHCb detector. The data, collected in proton-proton collisions between 2011 and 2018, correspond to an integrated luminosity of 9 fb−1. Evidence for a new structure in the J/ψp and J/ψ¯p systems with a mass of 4337+7−4 +2−2 MeV and a width of 29+26−12 +14−14 MeV is found, where the first uncertainty is statistical and the second systematic, with a significance in the range of 3.1 to 3.7σ, depending on the assigned JP hypothesis. | ||
| 461 | |t Physical Review Letters | ||
| 463 | |t Vol. 128, iss. 6 |v [062001, 11 p.] |d 2022 | ||
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