Observation of e plus e- RIGHTWARDS ARROW ωχbJ(1P) and Search for Xb RIGHTWARDS ARROW ωγ(1S) at SQUARE ROOTs near 10.75 GeV
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F23%3A10476871" target="_blank" >RIV/00216208:11320/23:10476871 - isvavai.cz</a>
Result on the web
<a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=N0hjI766D" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=N0hjI766D</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1103/PhysRevLett.130.091902" target="_blank" >10.1103/PhysRevLett.130.091902</a>
Alternative languages
Result language
angličtina
Original language name
Observation of e plus e- RIGHTWARDS ARROW ωχbJ(1P) and Search for Xb RIGHTWARDS ARROW ωγ(1S) at SQUARE ROOTs near 10.75 GeV
Original language description
We study the processes e(+)e(-)+ omega chi(bJ)(1P) (J = 0, 1, or 2) using samples at center-of-mass energies p = 10.701, 10.745, and 10.805 GeV, corresponding to 1.6, 9.8, and 4.7 fb(-1) of integrated luminosity, ffiffis respectively. These data were collected with the Belle II detector during special operations of the SuperKEKB collider above the gamma(4S) resonance. We report the first observation of omega chi(bJ)(1P) signals at p = 10.745 GeV. By combining Belle II data with Belle results at ffis ffi ffiffis p = 10.867 GeV, we find energy dependencies of the Born cross sections for e(+)e(-)+ omega chi(b1;b2)(1P) to be consistent with the shape of the gamma(10753) state. These data indicate that the internal structures of the gamma(10753) and gamma(10860) states may ffiffidiffer. Including data at root s = 10.653 GeV, we also search for the bottomonium equivalent of the X(3872) state decaying into omega gamma(1S). No significant signal is observed for masses between 10.45 and 10.65 GeV/c(2).
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10300 - Physical sciences
Result continuities
Project
<a href="/en/project/GA22-18469S" target="_blank" >GA22-18469S: Studies of the Beyond Standard Model phenomena in the flavor sector with the Belle II Experiment</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2023
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Physical Review Letters
ISSN
0031-9007
e-ISSN
1079-7114
Volume of the periodical
130
Issue of the periodical within the volume
9
Country of publishing house
US - UNITED STATES
Number of pages
8
Pages from-to
091902
UT code for WoS article
000947992500002
EID of the result in the Scopus database
2-s2.0-85149661029