Publications associées à First observation of the B+→Ds+Ds-K+ decay

Publications associées (18)

Search for light long-lived particles decaying to displaced jets in proton-proton collisions at √s=13.6TeV

Jan Steggemann, Konstantin Androsov, Anna Mascellani, Joanna Malgorzata Wanczyk

A search for light long-lived particles (LLPs) decaying to displaced jets is presented, using a data sample of proton-proton collisions at a center-of-mass energy of 13.6 TeV, corresponding to an integrated luminosity of 34.7 fb(-1), collected with the CMS ...

IOP Publishing Ltd2025

Search for the radiative decay D+s → γρ(770)+

Yunxuan Song

Using 7.33 fb(-1) of e(+)e(-) collision data samples collected with the BESIII detector at center-of-mass energies between 4.128 and 4.226 GeV, we search for the radiative decay D-s(+)-> gamma rho(770)(+) for the first time. A hint of D-s(+) -> gamma rho(7 ...

Springer Nature2024

First observation of the decay Λc+ → nKS0π+π0

Yunxuan Song

Based on 4.5 fb(-1) of ethorne- collision data accumulated at center-of-mass energies between 4599.53 and 4698.82 MeV with the BESIII detector, the decay Lambda(+)(c) -> nK(S)(0)pi(+)pi(0) is observed for the first time with a significance of 9.2 sigma. Th ...

American Physical Society2024

Search for the lepton flavor violating τ → 3μ decay in proton-proton collisions at √s=13 TeV

Jan Steggemann, Konstantin Androsov, Anna Mascellani, Joanna Malgorzata Wanczyk

A search for the lepton flavor violating tau -> 3 mu decay is performed using proton-proton collision events at a center-of-mass energy of 13 TeV collected by the CMS experiment at the LHC in 2017-2018, corresponding to an integrated luminosity of 97.7 fb( ...

ELSEVIER2024

Observation of ψ(3686) → Ω(-)K(+) Ξ 0 + c.c

Yunxuan Song

Using (27.12 +/- 0.14) x 10(8) ψ(3686) events collected with the BESIII detector at BEPCII, the decay of ψ(3686) -> Ω(-)K(+) Ξ 0 + c.c. is observed for the first time. The branching fraction of this decay is measured to be B-Psi(3686)->Omega K--(+)Xi

Springer Nature2024

Measurement of the absolute branching fraction of the three-body decay Λ plus c → Ξ0K+π0 and search for Λ plus c → nK+ π0, Σ0K+π0, and ΛK+ π0

Yunxuan Song

The Cabbibo-favored decay Lambda thorn c -> Xi 0K thorn pi 0 is studied for the first time using 6.1 fb-1 of e thorn e- collision data at center-of-mass energies between 4.600 and 4.840 GeV, collected with the BESIII detector at the BEPCII collider. With a ...

American Physical Society2024

Measurement of multijet azimuthal correlations and determination of the strong coupling in proton-proton collisions at √s=13TeV

Jan Steggemann, Konstantin Androsov, Anna Mascellani, Joanna Malgorzata Wanczyk

A measurement is presented of a ratio observable that provides a measure of the azimuthal correlations among jets with large transverse momentum p(T). This observable is measured in multijet events over the range of p(T) = 360-3170 GeV based on data collec ...

SPRINGER2024

Measurement of the electroweak production of Wγ in association with two jets in proton-proton collisions at √s=13 TeV

Jan Steggemann, Konstantin Androsov, Anna Mascellani, Joanna Malgorzata Wanczyk

A measurement is presented for the electroweak production of aW boson, a photon (gamma), and two jets (j) in proton-proton collisions. The leptonic decay of the W boson is selected by requiring one identified electron or muon and large missing transverse m ...

American Physical Society2023

Study of coherent J/\psi production in lead-lead collisions at \sqrt\mathrms_\mathrmNN = 5 TeV

Lesya Shchutska

Coherent production of J/ψ mesons is studied in ultraperipheral lead-lead collisions at a nucleon-nucleon centre-of-mass energy of 5 TeV, using a data sample collected by the LHCb experiment corresponding to an integrated luminosity of about 10 μb−1. The J ...

Springer Nature2022

Simulation and experimental study of proton bunch self-modulation in plasma with linear density gradients

Ambrogio Fasoli, Sun Hee Kim, Ivo Furno, Patrick Blanchard, Yanis Andrebe, Riccardo Agnello, Alban Sublet, Falk Hans Braunmüller, Christine Stollberg

We present numerical simulations and experimental results of the self-modulation of a long proton bunch in a plasma with linear density gradients along the beam path. Simulation results agree with the experimental results reported [F. Braunmller, T. Nechae ...

2021

Dalitz analysis of D-0 -> K- pi(+)eta decays at Belle

Mingkui Wang, Olivier Schneider, Chao Wang, Yiming Li, Yixing Chen, Sun Hee Kim

We present the results of the first Dalitz plot analysis of the decay D-0 -> K-pi(+)eta. The analysis is performed on a data set corresponding to an integrated luminosity of 953 fb(-1) collected by the Belle detector at the asymmetric-energy e(+)e(-) KEKB ...

American Physical Society2020

Measurements of isospin asymmetry and difference of direct CP asymmetries in inclusive B -> X-s gamma decays

Mingkui Wang, Olivier Schneider, Chao Wang, Yiming Li, Sun Hee Kim, Tara Nanut, Jun Yong Kim, Kyung Taek Cho, Chang-Hyun Park, Arnaud Michel Gelb, Yong Chan Choi, Linlin Cao, Martin Lubej, Johannes Julius Thomas Marinus Swartjes, Yifei Guan, Carsten Hao Ye Chong, Steve Michel Berger

We report measurements of isospin asymmetry Delta(0-) and difference of direct CP asymmetries Delta A(CP) between charged and neutral B -> X-s gamma decays. This analysis is based on the data sample containing 772 x 10(6)B (B) over bar pairs that was colle ...

American Physical Society2019

First Measurement of Charm Production in its Fixed-Target Configuration at the LHC

Jian Wang, Mingkui Wang, Olivier Schneider, Zhirui Xu, Yi Zhang, Lei Zhang, Aurelio Bay, Yi Wang, Guido Haefeli, Jessica Prisciandaro, Tatsuya Nakada, Frédéric Blanc, Mark Tobin, Minh Tâm Tran, Greig Alan Cowan, Maurizio Martinelli, Vladislav Balagura, Donal Patrick Hill, Liang Sun, Luca Pescatore, François Fleuret, Mirco Dorigo, Jean Wicht, Sebastiana Gianì, Liupan An, Chitsanu Khurewathanakul, Plamen Hristov Hopchev, Renato Quagliani, Maxime Schubiger, Hang Yin, Guido Andreassi, Olivier Göran Girard, Axel Kuonen, Preema Rennee Pais, Aravindhan Venkateswaran, Elena Graverini, Michel De Cian, Maria Elena Stramaglia, Vladimir Macko, Federico Leo Redi, Luis Miguel Garcia Martin, Tommaso Colombo, Vitalii Lisovskyi, Tara Nanut, Violaine Bellée, Pavol Stefko, Pietro Marino, Maria Vieites Diaz, Matthieu Philippe Luther Marinangeli, Guillaume Max Pietrzyk, Christoph Frei, Conor Thomas Fitzpatrick, Marilisa Neri

The first measurement of heavy-flavor production by the LHCb experiment in its fixed-target mode is presented. The production of J/psi and D-0 mesons is studied with beams of protons of different energies colliding with gaseous targets of helium and argon ...

2019

Search for B-0 -> pi(-)tau(+)nu(tau) with hadronic tagging at Belle

Mingkui Wang, Olivier Schneider, Chao Wang, Yiming Li, Ho Ling Li, Sun Hee Kim, Tara Nanut, Jun Yong Kim

We search for the process B-0 -> pi(-) tau(+)nu(tau) using the full Belle data set of 711 fb(-1), corresponding to 772 x 10(6)B (B) over bar pairs, collected at the gamma (4S) resonance with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collide ...

American Physical Society2016

Measurement of the lifetime of the B-c(+) meson using the B-c(+) -> J/psi pi(+) decay mode

Jian Wang, Olivier Schneider, Zhirui Xu, Yiming Li, Yi Zhang, Lei Zhang, Aurelio Bay, Guido Haefeli, Jessica Prisciandaro, Tatsuya Nakada, Christoph Frei, Mark Tobin, Frédéric Blanc, Minh Tâm Tran, Michel De Cian, Greig Alan Cowan, Maurizio Martinelli, Donal Patrick Hill, Liang Sun, Pietro Marino, Luca Pescatore, Mirco Dorigo, Sebastiana Gianì, Liupan An, Elena Graverini, Federico Leo Redi, Chitsanu Khurewathanakul, Ilya Komarov, Bastien Luca Muster, Maria Vieites Diaz, Frédéric Guillaume Dupertuis, Julien Rouvinet, Pierre Jaton, Barinjaka Rakotomiaramanana, Alessandro Mapelli

The difference in total widths between the B-c(+) and B+ mesons is measured using a data sample corresponding to an integrated luminosity of 3.0 fb(-1) collected by the LHCb experiment in 7 and 8 TeV centre-of-mass energy proton-proton collisions at the LH ...

Elsevier Science Bv2015

Search for the lepton flavour violating decay tau(-) -> mu(-)mu(+)mu(-)

Jian Wang, Olivier Schneider, Zhirui Xu, Yiming Li, Yi Zhang, Lei Zhang, Aurelio Bay, Guido Haefeli, Jessica Prisciandaro, Tatsuya Nakada, Christoph Frei, Mark Tobin, Frédéric Blanc, Minh Tâm Tran, Michel De Cian, Greig Alan Cowan, Maurizio Martinelli, Donal Patrick Hill, Liang Sun, Pietro Marino, Luca Pescatore, Mirco Dorigo, Jean Wicht, Sebastiana Gianì, Liupan An, Elena Graverini, Federico Leo Redi, Chitsanu Khurewathanakul, Ilya Komarov, Maxime Schubiger, Bastien Luca Muster, Frédéric Guillaume Dupertuis, Julien Rouvinet, Pierre Jaton, Barinjaka Rakotomiaramanana, Alessandro Mapelli

A search for the lepton flavour violating decay tau(-) -> mu(-)mu(+)mu(-) is performed with the LHCb experiment. The data sample corresponds to an integrated luminosity of 1.0 fb(-1) of proton-proton collisions at a centre-of-mass energy of 7 TeV and 2.0 f ...

Springer Nature2015

First observations of the rare decays B (+) -> K (+)pi (+)pi (-)mu(+)mu (-) and B (+)-> phi K (+)mu(+)mu (-)

Jian Wang, Olivier Schneider, Zhirui Xu, Yiming Li, Yi Zhang, Lei Zhang, Aurelio Bay, Guido Haefeli, Jessica Prisciandaro, Tatsuya Nakada, Christoph Frei, Mark Tobin, Frédéric Blanc, Minh Tâm Tran, Michel De Cian, Greig Alan Cowan, Maurizio Martinelli, Donal Patrick Hill, Liang Sun, Pietro Marino, Luca Pescatore, Mirco Dorigo, Jean Wicht, Sebastiana Gianì, Liupan An, Chitsanu Khurewathanakul, Ilya Komarov, Bastien Luca Muster, Maria Vieites Diaz, Frédéric Guillaume Dupertuis, Julien Rouvinet, Pierre Jaton, Barinjaka Rakotomiaramanana, Joël Bressieux, Songmei Wu

First observations of the rare decays B (+) -> K (+)pi (+) pi (-) mu (+) mu (-) and B (+)-> phi K+ mu(+)mu(-) are presented using data corresponding to an integrated luminosity of 3.0 fb(-1), collected by the LHCb experiment at centre-of-mass energies of 7 ...

Springer Nature2014

Composite charge 8/3 resonances at the LHC

Francesco Riva

In composite Higgs models with partial compositeness, the small value of the observed Higgs mass implies the existence of light fermionic resonances, the top partners, whose quantum numbers are determined by the symmetry (and symmetry breaking) structure o ...

Springer Nature2014