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Elisabeth Maria Niel

Cette personne a quitté l’EPFL

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Publications associées (134)

Page 3 sur 7

Study of CP violation in B0→ DK⋆(892)0 decays with D → Kπ(ππ), ππ(ππ), and KK final states

Olivier Schneider, Guido Haefeli, Tatsuya Nakada, Frédéric Blanc, Lesya Shchutska, Elena Graverini, Sebastian Schulte, Donal Patrick Hill, Marie Theres Christin Bachmayer, Serhii Cholak, Veronica Sølund Kirsebom, Ettore Zaffaroni, Surapat Ek-In, Aravindhan Venkateswaran, Sara Celani, Renato Quagliani, Luis Miguel Garcia Martin, Vitalii Lisovskyi, Elisabeth Maria Niel, Federico Ronchetti, Radoslav Marchevski, Anni Matilda Kauniskangas, Dimitrios Kaminaris, Raphaël van Laak, Pierre Paul Louis Mayencourt, Brianna Leililani Thielen, Esteban Curras Rivera, Yifei Song

A measurement of CP-violating observables associated with the interference of B0→ D0K⋆(892)0 and B0→D¯0K⋆8920 decay amplitudes is performed in the D0→ K∓π±(π+π−), D0→ π+π−(π+π−), and D0→ K+K− final states using data collected by the LHCb experiment corresp ...

Springer Nature2024

Probing the nature of the χc1(3872) state using radiative decays

Olivier Schneider, Aurelio Bay, Guido Haefeli, Tatsuya Nakada, Frédéric Blanc, Lesya Shchutska, Elena Graverini, Sebastian Schulte, Donal Patrick Hill, Marie Theres Christin Bachmayer, Serhii Cholak, Ettore Zaffaroni, Aravindhan Venkateswaran, Luis Miguel Garcia Martin, Vitalii Lisovskyi, Elisabeth Maria Niel, Federico Ronchetti, Radoslav Marchevski, Anni Matilda Kauniskangas, Dimitrios Kaminaris, Raphaël van Laak, Pierre Paul Louis Mayencourt, Brianna Leililani Thielen, Arnaud Merlin Gauthey, Gianluca Zunica, Abdul-Kerim Guseinov, Esteban Curras Rivera, Roberto Ribatti, Alexandre Brea Rodriguez, Rita De Sousa Ataíde Da Silva

Abstract: The radiative decays χc1(3872) → ψ(2S) γ and χc1(3872) → J/ψγ are used to probe the nature of the χc1(3872) state using proton-proton collision data collected with the LHCb detector, corresponding to an integrated luminosity of 9 fb−1. Using the ...

Springer Nature2024

Measurement of the Ratios of Branching Fractions R(D*) and R(D0)

Olivier Schneider, Aurelio Bay, Guido Haefeli, Tatsuya Nakada, Frédéric Blanc, Lesya Shchutska, Elena Graverini, Michel De Cian, Vladimir Macko, Sebastian Schulte, Donal Patrick Hill, Maria Vieites Diaz, Marie Theres Christin Bachmayer, Lino Ferreira Lopes, Serhii Cholak, Veronica Sølund Kirsebom, Ettore Zaffaroni, Surapat Ek-In, Aravindhan Venkateswaran, Sara Celani, Renato Quagliani, Carina Trippl, Sonia Amina Bouchiba, Elisabeth Maria Niel, Maarten Willibrord Uriël Van Dijk, Maria Carolina Feliciano Faria

The ratios of branching fractions R(D*) = B((B) over bar -> D* tau(-) (v) over bar (tau))/B((B) over bar -> D*.mu(-)(v) over bar mu) and R(D-0) = B(B- -> D(0)t-mu(-)(v) over bar mu) are measured, assuming isospin symmetry, using a sample of proton-proton c ...

Amer Physical Soc2023

Constraints on the photon polarisation in b → sγ transitions using Bs0→ ϕe+e− decays

An angular analysis of the Bs0→ ϕe+e− decay is performed using the proton-proton collision dataset collected between 2011 and 2018 by the LHCb experiment, corresponding to an integrated luminosity of 9 fb−1 at centre-of-mass energies of 7, 8 and 13 TeV. Th ...

2025

Search for A ' -> mu(+)mu(-) Decays

Jian Wang, Mingkui Wang, Olivier Schneider, Zhirui Xu, Yiming Li, Yi Zhang, Lei Zhang, Yi Wang, Aurelio Bay, Ho Ling Li, Guido Haefeli, Tatsuya Nakada, Christoph Frei, Mark Tobin, Frédéric Blanc, Maurizio Martinelli, Vladislav Balagura, Donal Patrick Hill, Liang Sun, François Fleuret, Mirco Dorigo, Liupan An, Renato Quagliani, Maxime Schubiger, Hang Yin, Aravindhan Venkateswaran, Elena Graverini, Michel De Cian, Vladimir Macko, Federico Leo Redi, Luis Miguel Garcia Martin, Sebastian Schulte, Tommaso Colombo, Vitalii Lisovskyi, Tara Nanut, Minh Tâm Tran, Violaine Bellée, Guillaume Max Pietrzyk, Pavol Stefko, Pietro Marino, Maria Vieites Diaz, Lino Ferreira Lopes, Matthieu Philippe Luther Marinangeli, Veronica Sølund Kirsebom, Maria Elena Stramaglia, Surapat Ek-In, Ana Bárbara Rodrigues Cavalcante, Guido Andreassi, Luca Pescatore, Preema Rennee Pais, Plamen Hristov Hopchev, Carina Trippl, Thi Dung Nguyen, Alison Maria Tully, Olivier Göran Girard, Mâu Chung Nguyên, Axel Kuonen, Vincenzo Battista, Simone Meloni, Xiaoqing Zhou, Elisabeth Maria Niel, Alexandre Brea Rodriguez

Searches are performed for both promptlike and long-lived dark photons, A ', produced in proton-proton collisions at a center-of-mass energy of 13 TeV. These searches look for A '->mu(+)mu(-) decays using a data sample corresponding to an integrated lumino ...

2020

Branching Fraction Measurements of the Rare B-s(0) -> phi mu(+)mu(-) and B-s(0)-> f(2)' (1525)mu(+)mu(-) Decays

Jian Wang, Mingkui Wang, Olivier Schneider, Zhirui Xu, Chao Wang, Yiming Li, Yi Zhang, Lei Zhang, Yi Wang, Aurelio Bay, Ho Ling Li, Guido Haefeli, Tatsuya Nakada, Christoph Frei, Mark Tobin, Frédéric Blanc, Maurizio Martinelli, Vladislav Balagura, Liang Sun, Lesya Shchutska, François Fleuret, Liupan An, Renato Quagliani, Maxime Schubiger, Hang Yin, Preema Rennee Pais, Aravindhan Venkateswaran, Elena Graverini, Michel De Cian, Vladimir Macko, Federico Leo Redi, Sebastian Schulte, Tommaso Colombo, Donal Patrick Hill, Vitalii Lisovskyi, Tara Nanut, Minh Tâm Tran, Violaine Bellée, Guillaume Max Pietrzyk, Pavol Stefko, Maria Vieites Diaz, Marie Theres Christin Bachmayer, Lino Ferreira Lopes, Matthieu Philippe Luther Marinangeli, Serhii Cholak, Veronica Sølund Kirsebom, Ettore Zaffaroni, Maria Elena Stramaglia, Surapat Ek-In, Ana Bárbara Rodrigues Cavalcante, Sara Celani, Carina Trippl, Arnout Lodewijk M Beckers, Sonia Amina Bouchiba, Thi Dung Nguyen, Maxim Karpov, Alison Maria Tully, Mâu Chung Nguyên, Maarten Willibrord Uriël Van Dijk, Simone Meloni, Xiaoqing Zhou, Elisabeth Maria Niel, Alexandre Brea Rodriguez, Marco Guarise

The branching fraction of the rare B-s(0) -> phi mu(+)mu(-) decay is measured using data collected by the LHCb experiment at center-of-mass energies of 7, 8, and 13 TeV, corresponding to integrated luminosities of 1, 2, and 6 fb(-1), respectively. The bran ...

2021

Updated measurement of time-dependent CP-violating observables in B-s(0) -> J/psi K+K- decays

Jian Wang, Mingkui Wang, Olivier Schneider, Zhirui Xu, Yiming Li, Yi Zhang, Lei Zhang, Yi Wang, Aurelio Bay, Ho Ling Li, Guido Haefeli, Tatsuya Nakada, Christoph Frei, Mark Tobin, Frédéric Blanc, Minh Tâm Tran, Michel De Cian, Greig Alan Cowan, Maurizio Martinelli, Vladislav Balagura, Donal Patrick Hill, Liang Sun, Pietro Marino, Luca Pescatore, Mirco Dorigo, Liupan An, Elena Graverini, Federico Leo Redi, Chitsanu Khurewathanakul, Plamen Hristov Hopchev, Renato Quagliani, Maxime Schubiger, Hang Yin, Guido Andreassi, Violaine Bellée, Olivier Göran Girard, Axel Kuonen, Preema Rennee Pais, Aravindhan Venkateswaran, Pavol Stefko, Tara Nanut, Maria Elena Stramaglia, Tommaso Colombo, Vladimir Macko, Vitalii Lisovskyi, Guillaume Max Pietrzyk, François Fleuret, Sebastian Schulte, Veronica Sølund Kirsebom, Simone Meloni, Xiaoqing Zhou, Michael Thompson McCann, Surapat Ek-In, Elisabeth Maria Niel, Achille Mauri

The decay-time-dependent CP asymmetry in B0 s. J/. K + K-decays is measured using proton-proton collision data, corresponding to an integrated luminosity of 1.9 fb-1, collected with the LHCb detector at a centre-ofmass energy of 13 TeV in 2015 and 2016. Us ...

2019

Observation of New Xi(0)(c) Baryons Decaying to Lambda K-+(c)-

Jian Wang, Mingkui Wang, Olivier Schneider, Zhirui Xu, Yiming Li, Yi Zhang, Lei Zhang, Yi Wang, Aurelio Bay, Ho Ling Li, Guido Haefeli, Tatsuya Nakada, Christoph Frei, Mark Tobin, Frédéric Blanc, Maurizio Martinelli, Vladislav Balagura, Donal Patrick Hill, Liang Sun, Lesya Shchutska, François Fleuret, Mirco Dorigo, Liupan An, Renato Quagliani, Maxime Schubiger, Hang Yin, Guido Andreassi, Aravindhan Venkateswaran, Elena Graverini, Michel De Cian, Vladimir Macko, Federico Leo Redi, Sebastian Schulte, Tommaso Colombo, Vitalii Lisovskyi, Tara Nanut, Minh Tâm Tran, Violaine Bellée, Guillaume Max Pietrzyk, Pavol Stefko, Pietro Marino, Maria Vieites Diaz, Lino Ferreira Lopes, Matthieu Philippe Luther Marinangeli, Serhii Cholak, Veronica Sølund Kirsebom, Maria Elena Stramaglia, Surapat Ek-In, Ana Bárbara Rodrigues Cavalcante, Sara Celani, Preema Rennee Pais, Plamen Hristov Hopchev, Carina Trippl, Thi Dung Nguyen, Alison Maria Tully, Simone Meloni, Xiaoqing Zhou, Elisabeth Maria Niel, Alexandre Brea Rodriguez, Marco Guarise

The Lambda K-+(c)- mass spectrum is studied with a data sample of pp collisions at a center-of-mass energy of 13 TeV corresponding to an integrated luminosity of 5.6 fb(-1) collected by the LHCb experiment. Three Xi(0)(c) states are observed with a large s ...

2020

Measurement of the (Λ(c))^(+) to D^0 production ratio in peripheral PbPb collisions at √s(NN) = 5.02 TeV

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

We report on a measurement of the (Λ(c))^(+) to D^0 production ratio in peripheral PbPb collisions at √sNN = 5.02TeV with the LHCb detector in the forward rapidity region 2 < y < 4.5. The (Λ(c))^(+) (D^0) hadrons are reconstructed via the decay channel (Λ ...

Springer Nature2023

Searches for low-mass dimuon resonances

Jian Wang, Mingkui Wang, Olivier Schneider, Zhirui Xu, Yiming Li, Yi Zhang, Lei Zhang, Yi Wang, Aurelio Bay, Ho Ling Li, Guido Haefeli, Tatsuya Nakada, Christoph Frei, Mark Tobin, Frédéric Blanc, Maurizio Martinelli, Vladislav Balagura, Donal Patrick Hill, Liang Sun, Lesya Shchutska, François Fleuret, Mirco Dorigo, Liupan An, Renato Quagliani, Maxime Schubiger, Hang Yin, Preema Rennee Pais, Aravindhan Venkateswaran, Elena Graverini, Michel De Cian, Vladimir Macko, Federico Leo Redi, Luis Miguel Garcia Martin, Sebastian Schulte, Tommaso Colombo, Vitalii Lisovskyi, Tara Nanut, Minh Tâm Tran, Violaine Bellée, Guillaume Max Pietrzyk, Pavol Stefko, Pietro Marino, Maria Vieites Diaz, Marie Theres Christin Bachmayer, Lino Ferreira Lopes, Matthieu Philippe Luther Marinangeli, Serhii Cholak, Veronica Sølund Kirsebom, Maria Elena Stramaglia, Surapat Ek-In, Ana Bárbara Rodrigues Cavalcante, Guido Andreassi, Sara Celani, Katharina Müller, Plamen Hristov Hopchev, Carina Trippl, Sonia Amina Bouchiba, Thi Dung Nguyen, Alison Maria Tully, Simone Meloni, Xiaoqing Zhou, Elisabeth Maria Niel, Alexandre Brea Rodriguez, Marco Guarise

Searches are performed for a low-mass dimuon resonance, X, produced in proton-proton collisions at a center-of-mass energy of 13 TeV, using a data sample corresponding to an integrated luminosity of 5.1 fb(-1) and collected with the LHCb detector. The X bo ...

Springer Nature2020

Evidence of a J/psi Lambda structure and observation of excited Xi(-) states in the Xi(-)(b) -> J/psi Lambda K- decay

Jian Wang, Mingkui Wang, Olivier Schneider, Zhirui Xu, Chao Wang, Yiming Li, Yi Zhang, Lei Zhang, Yi Wang, Aurelio Bay, Ho Ling Li, Guido Haefeli, Tatsuya Nakada, Christoph Frei, Mark Tobin, Frédéric Blanc, Maurizio Martinelli, Vladislav Balagura, Liang Sun, Lesya Shchutska, François Fleuret, Liupan An, Renato Quagliani, Maxime Schubiger, Hang Yin, Preema Rennee Pais, Aravindhan Venkateswaran, Elena Graverini, Michel De Cian, Vladimir Macko, Federico Leo Redi, Sebastian Schulte, Tommaso Colombo, Donal Patrick Hill, Vitalii Lisovskyi, Tara Nanut, Minh Tâm Tran, Violaine Bellée, Guillaume Max Pietrzyk, Pavol Stefko, Pietro Marino, Maria Vieites Diaz, Marie Theres Christin Bachmayer, Lino Ferreira Lopes, Matthieu Philippe Luther Marinangeli, Serhii Cholak, Veronica Sølund Kirsebom, Ettore Zaffaroni, Maria Elena Stramaglia, Surapat Ek-In, Ana Bárbara Rodrigues Cavalcante, Sara Celani, Katharina Müller, Carina Trippl, Arnout Lodewijk M Beckers, Sonia Amina Bouchiba, Thi Dung Nguyen, Maxim Karpov, Alison Maria Tully, Mâu Chung Nguyên, Maarten Willibrord Uriël Van Dijk, Simone Meloni, Xiaoqing Zhou, Elisabeth Maria Niel, Alexandre Brea Rodriguez, Marco Guarise

First evidence of a structure in the J/psi Lambda invariant mass distribution is obtained from an amplitude analysis of Xi(-)(b) -> J/psi Lambda K- decays. The observed structure is consistent with being due to a charmonium pentaquark with strangeness with ...

2021

Measurement of CP observables in B± → DK± and B± → Dπ± with D → K0 SK±π∓ decays

Jian Wang, Mingkui Wang, Olivier Schneider, Zhirui Xu, Yiming Li, Yi Zhang, Lei Zhang, Yi Wang, Aurelio Bay, Ho Ling Li, Guido Haefeli, Tatsuya Nakada, Christoph Frei, Mark Tobin, Frédéric Blanc, Maurizio Martinelli, Vladislav Balagura, Donal Patrick Hill, Liang Sun, Lesya Shchutska, François Fleuret, Mirco Dorigo, Liupan An, Renato Quagliani, Maxime Schubiger, Hang Yin, Aravindhan Venkateswaran, Elena Graverini, Michel De Cian, Vladimir Macko, Federico Leo Redi, Luis Miguel Garcia Martin, Sebastian Schulte, Tommaso Colombo, Vitalii Lisovskyi, Tara Nanut, Minh Tâm Tran, Violaine Bellée, Guillaume Max Pietrzyk, Pavol Stefko, Pietro Marino, Maria Vieites Diaz, Lino Ferreira Lopes, Matthieu Philippe Luther Marinangeli, Veronica Sølund Kirsebom, Maria Elena Stramaglia, Surapat Ek-In, Ana Bárbara Rodrigues Cavalcante, Guido Andreassi, Luca Pescatore, Sara Celani, Preema Rennee Pais, Plamen Hristov Hopchev, Carina Trippl, Thi Dung Nguyen, Alison Maria Tully, Olivier Göran Girard, Simone Meloni, Xiaoqing Zhou, Elisabeth Maria Niel, Alexandre Brea Rodriguez, Serhii Cholak

Measurements of CP observables in B± → DK± and B± → Dπ± decays are presented, where D represents a superposition of D0 and ¯D0 states. The D meson is reconstructed in the three-body final states K0 SK±π∓ and K0 SK∓π±. The analysis uses samples of B mesons ...

Springer Nature2020

Precision measurement of the B-c(+) meson mass

Jian Wang, Mingkui Wang, Olivier Schneider, Zhirui Xu, Yiming Li, Yi Zhang, Lei Zhang, Yi Wang, Aurelio Bay, Ho Ling Li, Guido Haefeli, Tatsuya Nakada, Christoph Frei, Mark Tobin, Frédéric Blanc, Maurizio Martinelli, Vladislav Balagura, Donal Patrick Hill, Liang Sun, Lesya Shchutska, François Fleuret, Mirco Dorigo, Liupan An, Renato Quagliani, Maxime Schubiger, Hang Yin, Aravindhan Venkateswaran, Elena Graverini, Michel De Cian, Vladimir Macko, Federico Leo Redi, Luis Miguel Garcia Martin, Sebastian Schulte, Tommaso Colombo, Vitalii Lisovskyi, Tara Nanut, Minh Tâm Tran, Violaine Bellée, Guillaume Max Pietrzyk, Pavol Stefko, Pietro Marino, Maria Vieites Diaz, Lino Ferreira Lopes, Matthieu Philippe Luther Marinangeli, Serhii Cholak, Veronica Sølund Kirsebom, Maria Elena Stramaglia, Surapat Ek-In, Ana Bárbara Rodrigues Cavalcante, Guido Andreassi, Sara Celani, Preema Rennee Pais, Katharina Müller, Plamen Hristov Hopchev, Carina Trippl, Arnout Lodewijk M Beckers, Thi Dung Nguyen, Alison Maria Tully, Mâu Chung Nguyên, Simone Meloni, Xiaoqing Zhou, Elisabeth Maria Niel, Alexandre Brea Rodriguez, Marco Guarise

A precision measurement of the B-c(+) meson mass is performed using proton- proton collision data collected with the LHCb experiment at centre-of-mass energies of 7, 8 and 13 TeV, corresponding to a total integrated luminosity of 9.0 fb(-1). The B-c(+) mes ...

Springer Nature2020

Study of the rare decay J/ψ → μ+μ-μ+μ-

Olivier Schneider, Aurelio Bay, Guido Haefeli, Tatsuya Nakada, Frédéric Blanc, Lesya Shchutska, Elena Graverini, Sebastian Schulte, Donal Patrick Hill, Marie Theres Christin Bachmayer, Serhii Cholak, Ettore Zaffaroni, Aravindhan Venkateswaran, Luis Miguel Garcia Martin, Vitalii Lisovskyi, Elisabeth Maria Niel, Federico Ronchetti, Radoslav Marchevski, Anni Matilda Kauniskangas, Dimitrios Kaminaris, Raphaël van Laak, Pierre Paul Louis Mayencourt, Brianna Leililani Thielen, Arnaud Merlin Gauthey, Gianluca Zunica, Abdul-Kerim Guseinov, Esteban Curras Rivera, Yifei Song, Roberto Ribatti, Alexandre Brea Rodriguez, Rita De Sousa Ataíde Da Silva, Xiafei Chang

The rare electromagnetic J/psi -> mu(+)mu(-)mu(+)mu(-) decay is observed with a significance greatly exceeding the discovery threshold, using proton-proton collision data collected by the LHCb experiment during 2016-2018 at a center-of-mass energy of 13 Te ...

Springer Nature2024

Measurement of the prompt-production cross-section ratio sigma(chi(c2))/sigma(chi(c1)) in pPb collisions at root s(NN)=8.16 TeV

Jian Wang, Mingkui Wang, Olivier Schneider, Zhirui Xu, Chao Wang, Yiming Li, Yi Zhang, Lei Zhang, Yi Wang, Aurelio Bay, Ho Ling Li, Guido Haefeli, Tatsuya Nakada, Christoph Frei, Mark Tobin, Frédéric Blanc, Maurizio Martinelli, Vladislav Balagura, Liang Sun, Lesya Shchutska, François Fleuret, Liupan An, Renato Quagliani, Maxime Schubiger, Hang Yin, Preema Rennee Pais, Aravindhan Venkateswaran, Elena Graverini, Michel De Cian, Vladimir Macko, Federico Leo Redi, Sebastian Schulte, Tommaso Colombo, Donal Patrick Hill, Vitalii Lisovskyi, Tara Nanut, Minh Tâm Tran, Violaine Bellée, Guillaume Max Pietrzyk, Pavol Stefko, Pietro Marino, Maria Vieites Diaz, Marie Theres Christin Bachmayer, Lino Ferreira Lopes, Matthieu Philippe Luther Marinangeli, Serhii Cholak, Veronica Sølund Kirsebom, Ettore Zaffaroni, Maria Elena Stramaglia, Surapat Ek-In, Ana Bárbara Rodrigues Cavalcante, Sara Celani, Carina Trippl, Arnout Lodewijk M Beckers, Sonia Amina Bouchiba, Thi Dung Nguyen, Maxim Karpov, Alison Maria Tully, Mâu Chung Nguyên, Maarten Willibrord Uriël Van Dijk, Simone Meloni, Xiaoqing Zhou, Elisabeth Maria Niel, Alexandre Brea Rodriguez, Marco Guarise

This article reports the first measurement of prompt chi(c1) and chi(c2) charmonium production in nuclear collisions at Large Hadron Collider energies. The cross-section ratio sigma(chi(c2))/sigma(chi(c1)) is measured in pPb collisions at root s(NN) = 8.16 ...

2021

Search for the Rare Decays B-s(0) -> e(+) e(-) and B-0 -> e(+) e(-)

Jian Wang, Mingkui Wang, Olivier Schneider, Zhirui Xu, Yiming Li, Yi Zhang, Lei Zhang, Yi Wang, Aurelio Bay, Ho Ling Li, Guido Haefeli, Tatsuya Nakada, Christoph Frei, Mark Tobin, Frédéric Blanc, Maurizio Martinelli, Vladislav Balagura, Donal Patrick Hill, Liang Sun, Lesya Shchutska, François Fleuret, Mirco Dorigo, Liupan An, Renato Quagliani, Hang Yin, Aravindhan Venkateswaran, Elena Graverini, Michel De Cian, Vladimir Macko, Federico Leo Redi, Sebastian Schulte, Tommaso Colombo, Vitalii Lisovskyi, Tara Nanut, Minh Tâm Tran, Violaine Bellée, Guillaume Max Pietrzyk, Pavol Stefko, Pietro Marino, Maria Vieites Diaz, Lino Ferreira Lopes, Matthieu Philippe Luther Marinangeli, Veronica Sølund Kirsebom, Maria Elena Stramaglia, Surapat Ek-In, Ana Bárbara Rodrigues Cavalcante, Guido Andreassi, Luca Pescatore, Sara Celani, Preema Rennee Pais, Maxime Schubiger, Plamen Hristov Hopchev, Carina Trippl, Thi Dung Nguyen, Alison Maria Tully, Mâu Chung Nguyên, Simone Meloni, Xiaoqing Zhou, Elisabeth Maria Niel, Alexandre Brea Rodriguez, Serhii Cholak

A search for the decays B-s(0) -> e(+)e(-) and B-0 e(+)e(-) is performed using data collected with the LHCb experiment in proton-proton collisions at center-of-mass energies of 7, 8, and 13 TeV, corresponding to integrated luminosities of 1, 2, and 2 fb(-1 ...

AMER PHYSICAL SOC2020

Analysis of Λ0b →pK- μ+ μ- decays

Olivier Schneider, Aurelio Bay, Guido Haefeli, Tatsuya Nakada, Frédéric Blanc, Lesya Shchutska, Elena Graverini, Sebastian Schulte, Donal Patrick Hill, Marie Theres Christin Bachmayer, Serhii Cholak, Ettore Zaffaroni, Aravindhan Venkateswaran, Luis Miguel Garcia Martin, Vitalii Lisovskyi, Elisabeth Maria Niel, Federico Ronchetti, Radoslav Marchevski, Anni Matilda Kauniskangas, Dimitrios Kaminaris, Raphaël van Laak, Pierre Paul Louis Mayencourt, Brianna Leililani Thielen, Arnaud Merlin Gauthey, Gianluca Zunica, Abdul-Kerim Guseinov, Esteban Curras Rivera, Yifei Song, Roberto Ribatti, Alexandre Brea Rodriguez

The differential branching fraction and angular coefficients of Lambda(0)(b) -> pK(-) mu(+) mu(-)decays are measured in bins of the dimuon mass squared and dihadron mass. The analysis is performed using a data set corresponding to 9 fb(-1) of integrated lu ...

SPRINGER2024

First Evidence for Direct CP Violation in Beauty to Charmonium Decays

Olivier Schneider, Aurelio Bay, Guido Haefeli, Tatsuya Nakada, Frédéric Blanc, Lesya Shchutska, Elena Graverini, Sebastian Schulte, Donal Patrick Hill, Marie Theres Christin Bachmayer, Serhii Cholak, Ettore Zaffaroni, Aravindhan Venkateswaran, Luis Miguel Garcia Martin, Vitalii Lisovskyi, Elisabeth Maria Niel, Federico Ronchetti, Radoslav Marchevski, Anni Matilda Kauniskangas, Dimitrios Kaminaris, Raphaël van Laak, Pierre Paul Louis Mayencourt, Brianna Leililani Thielen, Arnaud Merlin Gauthey, Gianluca Zunica, Abdul-Kerim Guseinov, Esteban Curras Rivera, Yifei Song, Roberto Ribatti, Alexandre Brea Rodriguez, Rita De Sousa Ataíde Da Silva

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 ...

American Physical Society (APS)2025

Amplitude Analysis of the B0 - K*0 μ+μ- Decay

Olivier Schneider, Aurelio Bay, Guido Haefeli, Tatsuya Nakada, Frédéric Blanc, Lesya Shchutska, Elena Graverini, Michel De Cian, Sebastian Schulte, Donal Patrick Hill, Maria Vieites Diaz, Marie Theres Christin Bachmayer, Serhii Cholak, Veronica Sølund Kirsebom, Ettore Zaffaroni, Surapat Ek-In, Aravindhan Venkateswaran, Sara Celani, Renato Quagliani, Luis Miguel Garcia Martin, Yunxuan Song, Vitalii Lisovskyi, Carina Trippl, Sonia Amina Bouchiba, Elisabeth Maria Niel, Federico Ronchetti, Radoslav Marchevski, Anni Matilda Kauniskangas, Dimitrios Kaminaris, Raphaël van Laak, Pierre Paul Louis Mayencourt, Maria Carolina Feliciano Faria, Louis André Marie Jean Henry

An amplitude analysis of the B-0 -> K*(0) mu(+)mu(-) decay is presented using a dataset corresponding to an integrated luminosity of 4.7 fb(-1) of pp collision data collected with the LHCb experiment. For the first time, the coefficients associated to shor ...

Amer Physical Soc2024

Search for Bc+→π+μ+μ- decays and measurement of the branching fraction ratio B(Bc+→ψ(2S)π+)/B(Bc+→J/ψπ+)

Olivier Schneider, Guido Haefeli, Tatsuya Nakada, Frédéric Blanc, Lesya Shchutska, Elena Graverini, Sebastian Schulte, Donal Patrick Hill, Marie Theres Christin Bachmayer, Serhii Cholak, Veronica Sølund Kirsebom, Ettore Zaffaroni, Surapat Ek-In, Aravindhan Venkateswaran, Renato Quagliani, Luis Miguel Garcia Martin, Vitalii Lisovskyi, Elisabeth Maria Niel, Federico Ronchetti, Radoslav Marchevski, Anni Matilda Kauniskangas, Dimitrios Kaminaris, Raphaël van Laak, Pierre Paul Louis Mayencourt, Brianna Leililani Thielen, Esteban Curras Rivera, Yifei Song

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 luminosity of 9fb-1. No evidence for an excess of signal e ...

2024