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Vitalii Lisovskyi

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Related publications (255)

Measurement of D0- D ¯ 0 mixing and search for CP violation with D0 →k+π- decays

Lesya Shchutska, Olivier Schneider, Aurelio Bay, Guido Haefeli, Frédéric Blanc, Tatsuya Nakada, Elena Graverini, Aravindhan Venkateswaran, Luis Miguel Garcia Martin, Vitalii Lisovskyi

A measurement of the time-dependent ratio of the D0→K+π- to D¯0→K+π- decay rates is reported. The analysis uses a sample of proton-proton collisions corresponding to an integrated luminosity of 6 fb-1 recorded by the LHCb experiment from 2015 through 2018 ...

American Physical Society2025

Search for D0 meson decays to π + π − e + e − and K+K− e + e − final states

Lesya Shchutska, Olivier Schneider, Aurelio Bay, Guido Haefeli, Frédéric Blanc, Tatsuya Nakada, Elena Graverini, Aravindhan Venkateswaran, Luis Miguel Garcia Martin, Vitalii Lisovskyi

A search for D 0 meson decays to the π + π − e + e − and K + K − e + e − final states is reported using a sample of proton-proton collisions collected by the LHCb experiment at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of ...

American Physical Society (APS)2025

Observation of the decay $ {B}_s^0\to {K}^0p\overline{p} $ and measurement of the $ {B}_{(s)}^0\to {K}^0p\overline{p} $ branching fractions

Lesya Shchutska, Olivier Schneider, Aurelio Bay, Guido Haefeli, Frédéric Blanc, Tatsuya Nakada, Elena Graverini, Aravindhan Venkateswaran, Luis Miguel Garcia Martin, Vitalii Lisovskyi

A study of the charmless baryonic decays

{B}_{(s)}^0\to {K}^0p\overline{p}

is presented, where

{B}_{(s)}^0

denotes either a B 0 or a

{B}_s^0

meson. The analysis is based on proton-proton collision data collected by the LHCb experiment at centre ...

Springer Science and Business Media LLC2025

Measurement of cp Asymmetries in Λb0 → ph- Decays

Lesya Shchutska, Olivier Schneider, Aurelio Bay, Guido Haefeli, Frédéric Blanc, Tatsuya Nakada, Elena Graverini, Aravindhan Venkateswaran, Vitalii Lisovskyi, Ettore Zaffaroni

A search for CP violation in Lambda(0)(b) -> pK(-) and Lambda(0)(b) -> p pi(-) decays is presented using the full Run 1 and Run 2 data samples of pp collisions collected with the LHCb detector, corresponding to an integrated luminosity of 9 fb(-1) at cente ...

AMER PHYSICAL SOC2025

Long-lived particle reconstruction downstream of the LHCb magnet

Lesya Shchutska, Olivier Schneider, Aurelio Bay, Guido Haefeli, Frédéric Blanc, Tatsuya Nakada, Elena Graverini, Aravindhan Venkateswaran, Luis Miguel Garcia Martin, Vitalii Lisovskyi

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 reconstructed using only information from the tracke ...

2025

First Evidence for Direct CP Violation in Beauty to Charmonium Decays

Lesya Shchutska, Olivier Schneider, Aurelio Bay, Guido Haefeli, Frédéric Blanc, Tatsuya Nakada, Elena Graverini, Aravindhan Venkateswaran, Luis Miguel Garcia Martin, Vitalii Lisovskyi

The CP asymmetry and branching fraction of the Cabibbo-Kobayashi-Maskawa-suppressed decay B+→J/ψπ+ are precisely measured relative to the favored decay B+→J/ψK+ using a sample of proton-proton collision data corresponding to an integrated luminosity of 5.4 ...

2025

Angular analysis of B0 → K*0e+e− decays

Lesya Shchutska, Olivier Schneider, Aurelio Bay, Guido Haefeli, Frédéric Blanc, Tatsuya Nakada, Elena Graverini, Aravindhan Venkateswaran, Luis Miguel Garcia Martin, Vitalii Lisovskyi

An angular analysis of B 0 → K *0 e + e − decays is presented using proton-proton collision data collected by the LHCb experiment at centre-of-mass energies of 7, 8 and 13 TeV, corresponding to an integrated luminosity of 9 fb −1. The analysis is performed ...

Springer Science and Business Media LLC2025

Measurements of ψ(2S) and χc1(3872) production within fully reconstructed jets

Lesya Shchutska, Olivier Schneider, Aurelio Bay, Guido Haefeli, Frédéric Blanc, Tatsuya Nakada, Elena Graverini, Aravindhan Venkateswaran, Luis Miguel Garcia Martin, Vitalii Lisovskyi

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 state in the forward region using proton-proton collis ...

Springer Science and Business Media LLC2025

Measurement of the multiplicity dependence of Υ production ratios in pp collisions at $ \sqrt{s} $ = 13 TeV

Lesya Shchutska, Olivier Schneider, Aurelio Bay, Guido Haefeli, Frédéric Blanc, Tatsuya Nakada, Elena Graverini, Aravindhan Venkateswaran, Luis Miguel Garcia Martin, Vitalii Lisovskyi

The Υ(2S) and Υ(3S) production cross-sections are measured relative to that of the Υ(1S) meson, as a function of charged-particle multiplicity in proton-proton collisions at a centre-of-mass energy of 13 TeV. The measurement uses data collected by the LHCb ...

Springer Science and Business Media LLC2025

Test of Lepton Flavor Universality with B+ →k+π+π-ℓ+ℓ- Decays

Lesya Shchutska, Olivier Schneider, Aurelio Bay, Guido Haefeli, Frédéric Blanc, Tatsuya Nakada, Elena Graverini, Aravindhan Venkateswaran, Luis Miguel Garcia Martin, Vitalii Lisovskyi

The first test of lepton flavor universality between muons and electrons using B+→K+π+π-ℓ+ℓ- (ℓ=e, μ) decays is presented. The measurement is performed with data from proton-proton collisions collected by the LHCb experiment at center-of-mass energies of 7 ...

2025

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Observation of the decay $ {B}_s^0\to {K}^0p\overline{p} $ and measurement of the $ {B}_{(s)}^0\to {K}^0p\overline{p} $ branching fractions

Lesya Shchutska, Olivier Schneider, Aurelio Bay, Guido Haefeli, Frédéric Blanc, Tatsuya Nakada, Elena Graverini, Aravindhan Venkateswaran, Luis Miguel Garcia Martin, Vitalii Lisovskyi

A study of the charmless baryonic decays

{B}_{(s)}^0\to {K}^0p\overline{p}

is presented, where

{B}_{(s)}^0

denotes either a B 0 or a

{B}_s^0

meson. The analysis is based on proton-proton collision data collected by the LHCb experiment at centre ...

Springer Science and Business Media LLC2025