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Vladimir Macko

Cette personne n’est plus à l’EPFL

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Publications associées (265)

Measurement of prompt charged-particle production in pp collisions at √s = 13 TeV

Aurelio Bay, Minh Tâm Tran, Tatsuya Nakada, Guido Haefeli, Olivier Schneider, Frédéric Blanc, Lesya Shchutska, Guillaume Max Pietrzyk, Matthieu Philippe Luther Marinangeli, Lino Ferreira Lopes, Violaine Bellée, Pavol Stefko, Surapat Ek-In, Maria Elena Stramaglia, Vladimir Macko, Tara Nanut, Ana Bárbara Rodrigues Cavalcante, Federico Leo Redi, Sebastian Schulte, Veronica Sølund Kirsebom, Carina Trippl, Sara Celani, Serhii Cholak, Elena Graverini, Maria Vieites Diaz, Ettore Zaffaroni, Donal Patrick Hill

The differential cross-section of prompt inclusive production of long-lived charged particles in proton-proton collisions is measured using a data sample recorded by the LHCb experiment at a centre-of-mass energy of √s = 13 TeV. The data sample, col- lecte ...

Springer Nature2022

Evidence for a New Structure in the J/ψp and J/ψ¯p Systems in B0s→J/ψp¯p Decays

Aurelio Bay, Minh Tâm Tran, Tatsuya Nakada, Guido Haefeli, Olivier Schneider, Frédéric Blanc, Lesya Shchutska, Guillaume Max Pietrzyk, Matthieu Philippe Luther Marinangeli, Lino Ferreira Lopes, Surapat Ek-In, Maria Elena Stramaglia, Vladimir Macko, Tara Nanut, Ana Bárbara Rodrigues Cavalcante, Federico Leo Redi, Michel De Cian, Sebastian Schulte, Veronica Sølund Kirsebom, Carina Trippl, Sara Celani, Serhii Cholak, Elena Graverini, Maria Vieites Diaz, Ettore Zaffaroni, Donal Patrick Hill

An amplitude analysis of flavor-untagged B0s→J/ψp¯p decays is performed using a sample of 797±31 decays reconstructed with the LHCb detector. The data, collected in proton-proton collisions between 2011 and 2018, correspond to an integrated luminosity of 9 ...

2022

Tests of Lepton Universality Using B-0 -> K(S)(0)l(+) l(-) and B+ -> K*(+)l(+)l(-) Decays

Aurelio Bay, Tatsuya Nakada, Guido Haefeli, Olivier Schneider, Frédéric Blanc, Lesya Shchutska, Guillaume Max Pietrzyk, Matthieu Philippe Luther Marinangeli, Lino Ferreira Lopes, Surapat Ek-In, Vladimir Macko, Ana Bárbara Rodrigues Cavalcante, Federico Leo Redi, Michel De Cian, Sebastian Schulte, Veronica Sølund Kirsebom, Carina Trippl, Sara Celani, Serhii Cholak, Elena Graverini, Maria Vieites Diaz, Ettore Zaffaroni, Donal Patrick Hill, Renato Quagliani

Tests of lepton universality in B-0 -> K(S)(0)l(+)l(-) and B+ -> K*(+)l(+)l(-) decays where l is either an electron or a muon are presented. The differential branching fractions of B-0 -> K(S)(0)e(+)e(-) and B+ -> K*(+)e(+)e(-) decays are measured in inter ...

AMER PHYSICAL SOC2022

Study of charmonium and charmonium-like contributions in B+ -> J/psi eta K+ decays

Aurelio Bay, Tatsuya Nakada, Guido Haefeli, Olivier Schneider, Frédéric Blanc, Lesya Shchutska, Matthieu Philippe Luther Marinangeli, Lino Ferreira Lopes, Surapat Ek-In, Vladimir Macko, Ana Bárbara Rodrigues Cavalcante, Sebastian Schulte, Veronica Sølund Kirsebom, Carina Trippl, Sara Celani, Serhii Cholak, Elena Graverini, Maria Vieites Diaz, Ettore Zaffaroni, Donal Patrick Hill, Renato Quagliani, Elisabeth Maria Niel

A study of B+ -> J/psi eta K+ decays, followed by J/psi -> mu(+)mu(-) and eta -> gamma gamma, is performed using a dataset collected with the LHCb detector in proton-proton collisions at centre-of-mass energies of 7, 8 and 13 TeV, corresponding to an integ ...

Springer Nature2022

Measurement of chi(c1) (3872) production in proton-proton collisions at root s=8 and 13 TeV

Aurelio Bay, Minh Tâm Tran, Tatsuya Nakada, Guido Haefeli, Olivier Schneider, Frédéric Blanc, Lesya Shchutska, Guillaume Max Pietrzyk, Matthieu Philippe Luther Marinangeli, Lino Ferreira Lopes, Surapat Ek-In, Vladimir Macko, Tara Nanut, Ana Bárbara Rodrigues Cavalcante, Federico Leo Redi, Michel De Cian, Sebastian Schulte, Veronica Sølund Kirsebom, Carina Trippl, Sara Celani, Serhii Cholak, Elena Graverini, Maria Vieites Diaz, Ettore Zaffaroni, Donal Patrick Hill, Renato Quagliani

The production cross-section of the chi(c1)(3872) state relative to the psi(2S) meson is measured using proton-proton collision data collected with the LHCb experiment at centre-of-mass energies of root s = 8 and 13 TeV, corresponding to integrated luminos ...

Springer Nature2022

Observation of the B-0 -> (D)over-barK-0(+) pi(-) and B-s(0) -> (D)over-barK-0(-)pi(+) decays

Aurelio Bay, Tatsuya Nakada, Guido Haefeli, Olivier Schneider, Frédéric Blanc, Lesya Shchutska, Guillaume Max Pietrzyk, Matthieu Philippe Luther Marinangeli, Lino Ferreira Lopes, Surapat Ek-In, Vladimir Macko, Ana Bárbara Rodrigues Cavalcante, Michel De Cian, Sebastian Schulte, Veronica Sølund Kirsebom, Carina Trippl, Sara Celani, Serhii Cholak, Elena Graverini, Maria Vieites Diaz, Ettore Zaffaroni, Donal Patrick Hill, Renato Quagliani, Elisabeth Maria Niel

The first observations of B-0 -> (D) over bar*(2007)K-0(+)pi(-) and B-s(0) -> (D) over bar*(2007)K-0(-)pi(+) decays are presented, and their branching fractions relative to that of the B ->( D) over bar* (2007)(0)pi(+)pi(-) decay are reported. These modes ...

American Physical Society2022

Search for massive long-lived particles decaying semileptonically at root s=13 TeV

Aurelio Bay, Minh Tâm Tran, Tatsuya Nakada, Guido Haefeli, Olivier Schneider, Frédéric Blanc, Lesya Shchutska, Guillaume Max Pietrzyk, Matthieu Philippe Luther Marinangeli, Lino Ferreira Lopes, Surapat Ek-In, Vladimir Macko, Tara Nanut, Ana Bárbara Rodrigues Cavalcante, Federico Leo Redi, Michel De Cian, Sebastian Schulte, Veronica Sølund Kirsebom, Carina Trippl, Sara Celani, Serhii Cholak, Elena Graverini, Maria Vieites Diaz, Ettore Zaffaroni, Donal Patrick Hill, Renato Quagliani

A search is performed for massive long-lived particles (LLPs) decaying semileptonically into a muon and two quarks. Two kinds of LLP production processes were considered. In the first, a Higgs-like boson with mass from 30 to 200 GeV/c(2) is produced by glu ...

SPRINGER2022

Measurement of the lifetimes of promptly produced Omega(0)(c) and Xi(9)(c) baryons

Aurelio Bay, Minh Tâm Tran, Tatsuya Nakada, Guido Haefeli, Olivier Schneider, Frédéric Blanc, Lesya Shchutska, Guillaume Max Pietrzyk, Matthieu Philippe Luther Marinangeli, Lino Ferreira Lopes, Surapat Ek-In, Maria Elena Stramaglia, Vladimir Macko, Tara Nanut, Ana Bárbara Rodrigues Cavalcante, Federico Leo Redi, Michel De Cian, Sebastian Schulte, Veronica Sølund Kirsebom, Carina Trippl, Sara Celani, Serhii Cholak, Elena Graverini, Maria Vieites Diaz, Ettore Zaffaroni, Donal Patrick Hill

A measurement of the lifetimes of the Omega(0)(c) and Xi(0)(c) baryons is reported using proton-proton collision data at a centre-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 5.4 fb(-1) collected by the LHCb experiment. The Omega( ...

ELSEVIER2022

Identification of charm jets at LHCb

Aurelio Bay, Tatsuya Nakada, Guido Haefeli, Olivier Schneider, Frédéric Blanc, Lesya Shchutska, Guillaume Max Pietrzyk, Matthieu Philippe Luther Marinangeli, Lino Ferreira Lopes, Surapat Ek-In, Vladimir Macko, Tara Nanut, Ana Bárbara Rodrigues Cavalcante, Federico Leo Redi, Michel De Cian, Sebastian Schulte, Veronica Sølund Kirsebom, Carina Trippl, Sara Celani, Serhii Cholak, Elena Graverini, Maria Vieites Diaz, Ettore Zaffaroni, Donal Patrick Hill, Renato Quagliani

The identification of charm jets is achieved at LHCb for data collected in 2015-2018 using a method based on the properties of displaced vertices reconstructed and matched with jets. The performance of this method is determined using a dijet calibration da ...

IOP Publishing Ltd2022

Measurement of the W boson mass

Aurelio Bay, Minh Tâm Tran, Tatsuya Nakada, Guido Haefeli, Olivier Schneider, Frédéric Blanc, Lesya Shchutska, Guillaume Max Pietrzyk, Matthieu Philippe Luther Marinangeli, Lino Ferreira Lopes, Surapat Ek-In, Vladimir Macko, Tara Nanut, Ana Bárbara Rodrigues Cavalcante, Federico Leo Redi, Michel De Cian, Sebastian Schulte, Veronica Sølund Kirsebom, Carina Trippl, Sara Celani, Serhii Cholak, Elena Graverini, Maria Vieites Diaz, Ettore Zaffaroni, Donal Patrick Hill

The W boson mass is measured using proton-proton collision data at root s = 13 TeV corresponding to an integrated luminosity of 1.7fb(-1) recorded during 2016 by the LHCb experiment. With a simultaneous fit of the muon q/p(T) distribution of a sample of W ...

Springer Nature2022

Measurement of the Nuclear Modification Factor and Prompt Charged Particle Production in p-Pb and pp Collisions at √sNN=5 TeV

Aurelio Bay, Minh Tâm Tran, Tatsuya Nakada, Guido Haefeli, Olivier Schneider, Frédéric Blanc, Lesya Shchutska, Guillaume Max Pietrzyk, Matthieu Philippe Luther Marinangeli, Lino Ferreira Lopes, Violaine Bellée, Pavol Stefko, Surapat Ek-In, Maria Elena Stramaglia, Vladimir Macko, Tara Nanut, Ana Bárbara Rodrigues Cavalcante, Federico Leo Redi, Michel De Cian, Sebastian Schulte, Veronica Sølund Kirsebom, Carina Trippl, Sara Celani, Serhii Cholak, Elena Graverini, Maria Vieites Diaz, Ettore Zaffaroni, Donal Patrick Hill

The production of prompt charged particles in proton-lead collisions and in proton-proton collisions at the nucleon-nucleon center-of-mass energy root s(NN) = 5 TeV is studied at LHCb as a function of pseudorapidity (eta) and transverse momentum (p(T) ) wi ...

2022

Measurement of the charm mixing parameter y(CP)-y(CP)(K pi) using two-body D-0 meson decays

Aurelio Bay, Tatsuya Nakada, Guido Haefeli, Olivier Schneider, Frédéric Blanc, Lesya Shchutska, Matthieu Philippe Luther Marinangeli, Lino Ferreira Lopes, Surapat Ek-In, Vladimir Macko, Ana Bárbara Rodrigues Cavalcante, Michel De Cian, Sebastian Schulte, Veronica Sølund Kirsebom, Carina Trippl, Sara Celani, Serhii Cholak, Elena Graverini, Maria Vieites Diaz, Ettore Zaffaroni, Donal Patrick Hill, Renato Quagliani, Elisabeth Maria Niel

A measurement of the ratios of the effective decay widths of D-0 -> pi(-)pi(+) and D-0 -> K- K+ decays over that of D-0 -> K-pi(+) decays is performed with the LHCb experiment using proton-proton collisions at a centre-of-mass energy of 13 TeV, correspondi ...

American Physical Society2022

Observation of the Decay Lambda(0)(b) -> Lambda(+)(c) tau(-)(nu)over-bar(tau)

Aurelio Bay, Tatsuya Nakada, Guido Haefeli, Olivier Schneider, Frédéric Blanc, Lesya Shchutska, Matthieu Philippe Luther Marinangeli, Lino Ferreira Lopes, Surapat Ek-In, Vladimir Macko, Ana Bárbara Rodrigues Cavalcante, Michel De Cian, Sebastian Schulte, Veronica Sølund Kirsebom, Carina Trippl, Sara Celani, Serhii Cholak, Elena Graverini, Maria Vieites Diaz, Ettore Zaffaroni, Donal Patrick Hill, Renato Quagliani, Elisabeth Maria Niel

The first observation of the semileptonic b-baryon decay Lambda(0)(b) -> Lambda(+)(c) tau(-)(nu) over bar (tau) with a significance of 6.1 sigma, is reported using a data sample corresponding to 3 fb(-1) of integrated luminosity, collected by the LHCb expe ...

AMER PHYSICAL SOC2022

Angular Analysis of D0 -> x plus x-mu plus mu- and D0 -> K plus K-mu plus mu- Decays and Search for CP Violation

The first full angular analysis and an updated measurement of the decay-rate CP asymmetry of the D0 ??? x-+x-?????+????? and D0 ??? K+K?????+????? decays are reported. The analysis uses proton-proton collision data collected with the LHCb detector at cente ...

AMER PHYSICAL SOC2022

Search for the decay B-0 -> phi mu(+) mu(-)

Aurelio Bay, Tatsuya Nakada, Guido Haefeli, Olivier Schneider, Frédéric Blanc, Lesya Shchutska, Guillaume Max Pietrzyk, Matthieu Philippe Luther Marinangeli, Lino Ferreira Lopes, Surapat Ek-In, Vladimir Macko, Ana Bárbara Rodrigues Cavalcante, Michel De Cian, Sebastian Schulte, Veronica Sølund Kirsebom, Carina Trippl, Sara Celani, Serhii Cholak, Elena Graverini, Maria Vieites Diaz, Ettore Zaffaroni, Donal Patrick Hill, Renato Quagliani, Elisabeth Maria Niel

A search for the decay B-0 -> phi mu(+) mu(-) is performed using proton-proton collisions at centre-of-mass energies of 7, 8, and 13 TeV collected by the LHCb experiment and corresponding to an integrated luminosity of 9 fb(-1). No evidence for the B-0 -> ...

Springer Nature2022

Observation of the doubly charmed baryon decay Xi(++)(cc) -> Xi(c)'(+)pi(+)

Aurelio Bay, Tatsuya Nakada, Guido Haefeli, Olivier Schneider, Frédéric Blanc, Lesya Shchutska, Matthieu Philippe Luther Marinangeli, Lino Ferreira Lopes, Surapat Ek-In, Vladimir Macko, Ana Bárbara Rodrigues Cavalcante, Michel De Cian, Sebastian Schulte, Veronica Sølund Kirsebom, Carina Trippl, Sara Celani, Serhii Cholak, Elena Graverini, Maria Vieites Diaz, Ettore Zaffaroni, Donal Patrick Hill, Renato Quagliani, Elisabeth Maria Niel

The Xi(++)(cc) -> Xi('+)(c)pi(+) decay is observed using proton-proton collisions collected by the LHCb experiment at a centre-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 5.4 fb(-1). The Xi(++)(cc) -> Xi('+)(c)pi(+) decay is reco ...

Springer Nature2022

Precise determination of the B-s(0)-B-s(-0) oscillation frequency

Aurelio Bay, Minh Tâm Tran, Tatsuya Nakada, Guido Haefeli, Olivier Schneider, Frédéric Blanc, Lesya Shchutska, Guillaume Max Pietrzyk, Matthieu Philippe Luther Marinangeli, Lino Ferreira Lopes, Violaine Bellée, Pavol Stefko, Surapat Ek-In, Maria Elena Stramaglia, Vladimir Macko, Tara Nanut, Ana Bárbara Rodrigues Cavalcante, Federico Leo Redi, Michel De Cian, Sebastian Schulte, Veronica Sølund Kirsebom, Carina Trippl, Sara Celani, Serhii Cholak, Elena Graverini, Maria Vieites Diaz, Ettore Zaffaroni, Donal Patrick Hill

Mesons comprising a beauty quark and strange quark can oscillate between particle (B-s(0)) and antiparticle (B-s(-0)) flavour eigenstates, with a frequency given by the mass difference between heavy and light mass eigenstates, Delta m(s). Here we present a ...

NATURE PORTFOLIO2022

Test of lepton universality in beauty-quark decays

Aurelio Bay, Minh Tâm Tran, Tatsuya Nakada, Guido Haefeli, Olivier Schneider, Frédéric Blanc, Lesya Shchutska, Guillaume Max Pietrzyk, Matthieu Philippe Luther Marinangeli, Lino Ferreira Lopes, Violaine Bellée, Pavol Stefko, Surapat Ek-In, Maria Elena Stramaglia, Vladimir Macko, Tara Nanut, Ana Bárbara Rodrigues Cavalcante, Federico Leo Redi, Michel De Cian, Sebastian Schulte, Veronica Sølund Kirsebom, Carina Trippl, Sara Celani, Serhii Cholak, Elena Graverini, Maria Vieites Diaz, Ettore Zaffaroni, Donal Patrick Hill

The standard model of particle physics currently provides our best description of fundamental particles and their interactions. The theory predicts that the different charged leptons, the electron, muon and tau, have identical electroweak interaction stren ...

NATURE PORTFOLIO2022

Search for the doubly heavy baryons Omega(0)(bc) and Xi(0)(bc) decaying to Lambda(+)(c)pi(-) and Xi(+)(c)pi-

Aurelio Bay, Minh Tâm Tran, Tatsuya Nakada, Guido Haefeli, Olivier Schneider, Frédéric Blanc, Lesya Shchutska, Guillaume Max Pietrzyk, Matthieu Philippe Luther Marinangeli, Lino Ferreira Lopes, Violaine Bellée, Pavol Stefko, Surapat Ek-In, Maria Elena Stramaglia, Vladimir Macko, Pietro Marino, Tara Nanut, Ana Bárbara Rodrigues Cavalcante, Federico Leo Redi, Michel De Cian, Sebastian Schulte, Veronica Sølund Kirsebom, Carina Trippl, Sara Celani, Serhii Cholak, Elena Graverini, Maria Vieites Diaz, Ettore Zaffaroni, Donal Patrick Hill

The first search for the doubly heavy Omega(0)(bc) baryon and a search for the Xi(0)(bc) baryon are performed using collision data collected via the experiment from 2016 to 2018 at a centre-of-mass energy of, corresponding to an integrated luminosity of 5. ...

IOP PUBLISHING LTD2021

Measurement of the CKM angle gamma and Bs0-Bs0 mixing frequency with Bs0 -> Ds -/+h +/-pi +/-pi-/+ decays

Christoph Frei, Peter Clarke, Aurelio Bay, Minh Tâm Tran, Marc-Olivier Bettler, François Fleuret, Tatsuya Nakada, Guido Haefeli, Niko Neufeld, Olivier Schneider, Hans Dijkstra, Frédéric Teubert, Gerhard Raven, Mingkui Wang, Chitsanu Khurewathanakul, Frédéric Blanc, Matthew Needham, Axel Kuonen, Olivier Göran Girard, Liang Sun, Maxime Schubiger, Brice Emile Maurin, Thibaud Humair, Hang Yin, Xiaoxue Han, Greig Alan Cowan, Paolo Durante, Jessica Prisciandaro, Guillaume Max Pietrzyk, Matthieu Philippe Luther Marinangeli, Vladislav Balagura, Lino Ferreira Lopes, Zhirui Xu, Mark Tobin, Victor Coco, Violaine Bellée, Mirco Dorigo, Yu Zheng, Vincenzo Battista, Maurizio Martinelli, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,

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Plamen Hristov Hopchev

Maria Elena Stramaglia

Ana Bárbara Rodrigues Cavalcante

Federico Leo Redi

Michel De Cian

Sebastian Schulte

Veronica Sølund Kirsebom

Aravindhan Venkateswaran

Luis Miguel Garcia Martin

Giovanni Carboni

Zheng Wang

The CKM angle gamma is measured for the first time from mixing-induced CP violation between Bs0 -> Ds -/+ K pi +/- pi -/+ and Bs0 -> Ds +/- K -/+ pi -/+ pi +/- decays reconstructed in proton-proton collision data corresponding to an in ...

Springer Nature2021