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Serhii Cholak

Cette personne n’est plus à l’EPFL

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Publications associées (190)

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

Amplitude analysis of B+ → ψ(2S)K+ π+ π- 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 full amplitude analysis of B+ -> psi(2S)K+pi(+)pi(-) decays is performed using proton-proton collision data corresponding to an integrated luminosity of 9 fb(-1) recorded with the LHCb detector. The rich K+pi(+)pi(-) spectrum is studied and the b ...

SPRINGER2025

Measurement of ϕ(1020) meson production in fixed-target pNe collisions at $ \sqrt{s_{NN}} $ = 68.5 GeV

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

The first measurement of ϕ (1020) meson production in fixed-target p Ne collisions at

\sqrt{s_{NN}}

= 68 . 5 GeV is presented. The ϕ (1020) mesons are reconstructed in their K + K − decay in a data sample consisting of proton collisions on neon nuclei ...

Springer Science and Business Media LLC2025

Study of Λb0 and Ξb0 Decays to Λh+h′- and Evidence for CP Violation in Λb0 → Λk+K- Decays

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 Λb0 and Ξb0 decays to Λh+h′- (h(′)=π,K) is performed using pp collision data collected by the LHCb experiment during LHC Runs 1-2, corresponding to an integrated luminosity of 9 fb-1. The branching fractions for these decays are measured using t ...

2025

Measurement of the CKM angle γ in B± → DK*(892)± decays

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

Measurements of CP observables and the CKM angle γ are performed in B ± → DK * (892) ± decays, where D represents a superposition of D 0 and

{\overline{D}}^0

states, using the LHCb dataset collected during Run 1 (2011–2012) and Run 2 (2015–2018). A stu ...

Springer Science and Business Media LLC2025

Measurement of the Branching Fraction Ratios (Formula presented) and (Formula presented) Using Muonic (Formula presented) Decays

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

The branching fraction ratios of (Formula presented) and (Formula presented) decays are measured with respect to their muonic counterparts, using a data sample corresponding to an integrated luminosity of (Formula presented) collected by the LHCb experimen ...

2025

Observation of Collider Neutrinos without Final State Muons with the SND@LHC Experiment

Lesya Shchutska, Olivier Schneider, Aurelio Bay, Konstantin Androsov, Jan Steggemann, Elena Graverini, Ettore Zaffaroni, Mikhail Chapochnikov, Zhenyu Yang, Anna Mascellani

We report the observation of neutrino interactions without final state muons at the LHC, with a significance of 6.4σ. A dataset of proton-proton collisions at s=13.6 TeV collected by SND@LHC in 2022 and 2023 is used, corresponding to an integrated luminosi ...

American Physical Society (APS)2025

Publisher Erratum: 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

Springer Science and Business Media LLC2025

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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

Springer Science and Business Media LLC2025

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

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

Springer Science and Business Media LLC2025

Amplitude analysis of B+ → ψ(2S)K+ π+ π- decays

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

SPRINGER2025

Measurement of ϕ(1020) meson production in fixed-target pNe collisions at $ \sqrt{s_{NN}} $ = 68.5 GeV

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

The first measurement of ϕ (1020) meson production in fixed-target p Ne collisions at

\sqrt{s_{NN}}

= 68 . 5 GeV is presented. The ϕ (1020) mesons are reconstructed in their K + K − decay in a data sample consisting of proton collisions on neon nuclei ...

Springer Science and Business Media LLC2025

Study of Λb0 and Ξb0 Decays to Λh+h′- and Evidence for CP Violation in Λb0 → Λk+K- Decays

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

2025

Measurement of the CKM angle γ in B± → DK*(892)± decays

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

Measurements of CP observables and the CKM angle γ are performed in B ± → DK * (892) ± decays, where D represents a superposition of D 0 and

{\overline{D}}^0

states, using the LHCb dataset collected during Run 1 (2011–2012) and Run 2 (2015–2018). A stu ...

Springer Science and Business Media LLC2025

Measurement of the Branching Fraction Ratios (Formula presented) and (Formula presented) Using Muonic (Formula presented) Decays

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

2025

Observation of Collider Neutrinos without Final State Muons with the SND@LHC Experiment

Lesya Shchutska, Olivier Schneider, Aurelio Bay, Konstantin Androsov, Jan Steggemann, Elena Graverini, Ettore Zaffaroni, Mikhail Chapochnikov, Zhenyu Yang, Anna Mascellani

American Physical Society (APS)2025

Publisher Erratum: 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

Springer Science and Business Media LLC2025