Recerca: Enviaments recents
Ara mostrant els elements 201-220 de 4415
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Measurement of the mass and lifetime of the Ωb- baryon
(Physical Review D, 2016, Vol 93, 092007, 2016-05-19)A proton-proton collision data sample, corresponding to an integrated luminosity of 3 fb-1 collected by LHCb at s=7 and 8 TeV, is used to reconstruct 63±9 Ωb-→Ωc0π-, Ωc0→pK-K-π+ decays. Using the ... -
Measurement of the Bs0 → Ds (∗)+ Ds (∗)- branching fractions
(Physical Review D, 2016, Vol 93, 092008, 2016-05-20)The branching fraction of the decay Bs0→Ds(∗)+Ds(∗)- is measured using pp collision data corresponding to an integrated luminosity of 1.0 fb-1, collected using the LHCb detector at a center-of-mass ... -
Studies of the resonance structure in D0 → KS0 K±π± decays
(Physical Review D, 2016, Vol 93, 052018, 2016-03-31)Amplitude models are applied to studies of resonance structure in D0→KS0K-π+ and D0→KS0K+π- decays using pp collision data corresponding to an integrated luminosity of 3.0 fb-1 collected by the LHCb ... -
First observation of the rare B+ →d+K+π- decay
(Physical Review D, 2016, Vol 93, 119902, 2016-03-03)The B+→D+K+π- decay is observed in a data sample corresponding to 3.0 fb-1 of pp collision data recorded by the LHCb experiment during 2011 and 2012. The signal significance is 8σ and the branching ... -
Measurement of the CKM angle γ in the B0→DK∗0 channel using self-conjugate D→KS0h+h- decays
(The European Physical Journal C, 2024. Vol. 84, 206, 2024-02-29)A model-independent study of CP violation in B0→DK∗0 decays is presented using data corresponding to an integrated luminosity of 9\,fb-1 collected by the LHCb experiment at centre-of-mass energies of ... -
Observation of Ξb0→Ξc+Ds- and Ξb-→Ξc0Ds- decays
(The European Physical Journal C, 2025. Vol. 84, 237, 2024-03-07)The Ξb0→Ξc+Ds- and Ξb-→Ξc0Ds- decays are observed for the first time using proton-proton collision data collected by the LHCb experiment at a centre-of-mass energy of s=13TeV, corresponding to an ... -
Search for Bc+→π+μ+μ- decays and measurement of the branching fraction ratio B(Bc+→ψ(2S)π+)/B(Bc+→J/ψπ+)
(The European Physical Journal C, 2025. Vol. 84, 468, 2024-05-07)The first search for nonresonant Bc+→π+μ+μ- decays is reported. The analysis uses proton–proton collision data collected with the LHCb detector between 2011 and 2018, corresponding to an integrated ... -
Observation of ᴧ b 0→ ᴧ c + D̄ (*)0K − and ᴧ b 0→ ᴧ c + D s *− decays
(The European Physical Journal C, 2025. Vol. 84, 575, 2024-06-05)The decays Λb0→Λc+D¯(∗)0K- and Λb0→Λc+Ds∗- are observed for the first time, in proton-proton collision data at s=13TeV, corresponding to an integrated luminosity of 5.4fb-1 collected with the LHCb ... -
Measurements of ψ(2S) and χc1(3872) production within fully reconstructed jets
(The European Physical Journal C, 2025. Vol. 85, 562, 2025-05-22)This paper presents the first measurement of ψ(2S) and χc1(3872) meson production within fully reconstructed jets. Each quarkonium state (tag) is reconstructed via its decay to the J/ψ(→μ+μ-)π+π- final ... -
Observation of the Λb0→J/ψΞ-K+ and Ξb0→J/ψΞ-π+ decays
(The European Physical Journal C, 2025. Vol. 85, 812, 2025-07-28)The first observation of the Ξb0→J/ψΞ-π+ decay and the most precise measurement of the branching fraction of the Λb0→J/ψΞ-K+ decay are reported, using proton-proton collision data from the LHCb experiment ... -
Measurement of the Branching Fraction Ratios R(D^{+}) and R(D^{*+}) Using Muonic τ Decays
(Physical Review Letters. 2025. Vol. 134 - 061801, 2025-02-10)The branching fraction ratios of (B) over bar (0) -> D+tau(-)(v) over bar (tau) and (B) over bar (0) -> D*(+)tau(-)(v) over bar (tau) decays are measured with respect to their muonic counterparts, using ... -
First Determination of the Spin-Parity of Ξ_{c}(3055)^{+,0} Baryons
(Physical Review Letters. 2025. Vol. 134 - 081901, 2025-02-28)The Ξ_{b}^{0(-)}→Ξ_{c}(3055)^{+(0)}(→D^{+(0)}Λ)π^{-} decay chains are observed, and the spin-parity of Ξ_{c}(3055)^{+(0)} baryons is determined for the first time. The measurement is performed using ... -
Antenna Boosters Versus Meander Antennas for Bluetooth Module Integration
(IEEE Open Journal of Antennas and Propagation. 2025.Vol. 6,Nº 5, 2025-11-06)The Bluetooth standard is widely used in the Internet of Things (IoT) and other wireless devices, typically embedded in modules as they are easier to use and integrate into a design, and they are already ... -
A precise measurement of the B0 meson oscillation frequency
(The European Physical Journal C. 2016, Vol. 76. Nº7 (Juliol), 2016-07-21)The oscillation frequency, Δ md, of B0 mesons is measured using semileptonic decays with a D- or D∗ - meson in the final state. The data sample corresponds to 3.0fb- 1 of pp collisions, collected by the ... -
Search for long-lived heavy charged particles using a ring imaging Cherenkov technique at LHCb
(The European Physical Journal C. 2015, Vol. 75. Nº12 (Decembre), 2015-12-15)A search is performed for heavy long-lived charged particles using 3.0 fb-1 of proton–proton collisions collected at √s= 7 and 8 TeV with the LHCb detector. The search is mainly based on the response ... -
Tracking of charged particles with nanosecond lifetimes at LHCb
(The European Physical Journal C, 2025. Vol. 84, 761, 2024-07-30)A method is presented to reconstruct charged particles with lifetimes between 10ps and 10ns, which considers a combination of their decay products and the partial tracks created by the initial charged ... -
Study of charmonium production via the decay to pp¯ at √s=13TeV
(The European Physical Journal C, 2024. Vol. 84, 1274, 2024-12-09)Charmonium production cross-section in proton–proton collisions is measured at the centre-of-mass energy s=13TeV using decays to pp¯ final state. The study is performed using a data sample corresponding ... -
Long-lived particle reconstruction downstream of the LHCb magnet
(The European Physical Journal C, 2025. Vol. 85, 7, 2025-01-06)Charged-particle trajectories are usually reconstructed with the LHCb detector using combined information from the tracking devices placed upstream and downstream of the 4 T m dipole magnet. Trajectories ... -
Search for B(s)∗0→μ+μ- in Bc+→π+μ+μ- decays
(The European Physical Journal C, 2025. Vol. 85, 20, 2025-01-13)A search for the very rare B∗0→μ+μ- and Bs∗0→μ+μ- decays is conducted by analysing the Bc+→π+μ+μ- process. The analysis uses proton-proton collision data collected with the LHCb detector between 2011 ... -
Measurement of Λ_{b}^{0}, Λ_{c}^{+}, and Λ Decay Parameters Using Λ_{b}^{0}→Λ_{c}^{+}h^{-} Decays
(Physical Review Letters. 2025. Vol. 133 - 261804, 2024-12-30)A comprehensive study of the angular distributions in the bottom-baryon decays Λ_{b}^{0}→Λ_{c}^{+}h^{-}(h=π,K), followed by Λ_{c}^{+}→Λh^{+} with Λ→pπ^{-} or Λ_{c}^{+}→pK_{S}^{0} decays, is performed ...