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Observation of orbitally excited B mesons in pp̄ collisions at √s=1.8 TeV

Affolder, T.
•
Akimoto, H.
•
Akopian, A.
altro
Zucchelli, S.
2001
  • journal article

Periodico
PHYSICAL REVIEW D
Abstract
We measure the relative rate of production of orbitally excited (L=1) states of B mesons (B**) by observing their decays into Bπ±. We reconstruct B mesons through semileptonic decay channels using data collected pp̄ collisions at √s= 1.8 TeV. The fraction of light B mesons that are produced as L= 1B** states is measured to be 0.28±0.06(stat)±0.03(syst). We also measure the collective mass of the B** states, and quantify the result by quoting the (model-dependent) mass of the lowest B** state to be m(B1) = 5.71 ±0.02GeV/c2.
DOI
10.1103/PhysRevD.64.072002
Archivio
http://hdl.handle.net/11390/1084746
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-4244087813
Diritti
metadata only access
Soggetti
  • Physics and Astronomy...

  • Physics and Astronomy...

  • Nuclear and High Ener...

  • Mathematical Physics

Scopus© citazioni
27
Data di acquisizione
Jun 7, 2022
Vedi dettagli
Web of Science© citazioni
235
Data di acquisizione
Feb 11, 2023
Visualizzazioni
1
Data di acquisizione
Apr 19, 2024
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