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Hua Zhang

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Related publications (92)

Page 4 of 5

First measurement of the top quark pair production cross section in proton-proton collisions at √s=13.6 TeV

Jian Wang, Matthias Finger, Qian Wang, Yiming Li, João Miguel das Neves Duarte, Matthias Wolf, Varun Sharma, Yi Zhang, Tian Cheng, Yixing Chen, Alexis Kalogeropoulos, Ioannis Papadopoulos, Hua Zhang, Siyuan Wang, Xin Chen, Michele Bianco, Sebastiana Gianì, Sun Hee Kim, Davide Di Croce, Jian Zhao, Rakesh Chawla, Jan Steggemann, Konstantin Androsov, Anna Mascellani, Federica Legger, Matteo Galli, Gabriele Grosso

The first measurement of the top quark pair (t (t) over bar) production cross section in proton-proton collisions at root s = 13.6TeV is presented. Data recorded with the CMS detector at the CERN LHC in Summer 2022, corresponding to an integrated luminosit ...

Springer Nature2023

Measurements of azimuthal anisotropy of nonprompt D0 mesons in PbPb collisions at √sNN=5.02 TeV

Measurements of the elliptic (v(2)) and triangular (v(3)) azimuthal anisotropy coefficients are presented for D-0 mesons produced in b hadron decays (nonprompt D-0 mesons) in lead-lead collisions at root s(NN) = 5.02 TeV. The results are compared with prev ...

Elsevier2024

A Power Pack Based on Organometallic Perovskite Solar Cell and Supercapacitor

Michael Graetzel, Hua Zhang, Shaik Mohammed Zakeeruddin, Mingkui Wang

We present an investigation on a power pack combining a CH3NH3PbI3-based solar cell with a polypyrrole-based supercapacitor and evaluate its performance as an energy pack. The package achieved an energy storage efficiency of 10%, which is much higher than ...

American Chemical Society2015

Complex-coupled photonic crystal THz lasers with independent loss and refractive index modulation

Romuald Houdré, Hua Zhang

Compared to near infra-red photonic crystal (PhC) band-edge lasers, achieving vertical emission with quantum cascade (QC) material operating in the THz range needs dedicated engineering because the TM polarized emission of QCLs favors in-plane emitting sch ...

2011

Design and fabrication technology for high performance electrical pumped terahertz photonic crystal band edge lasers with complete photonic band gap

Romuald Houdré, Hua Zhang

We detail the design and fabrication technology of two-dimensional photonic crystal (PhC) band edge emitting quantum cascade lasers (QCLs) operating at terahertz frequencies (similar to 3.3 THz). The entire QCL active layer has been deeply etched to form a ...

2010

CMS PYTHIA 8 colour reconnection tunes based on underlying-event data

Jian Wang, Matthias Finger, Qian Wang, Yiming Li, João Miguel das Neves Duarte, Varun Sharma, Yi Zhang, Lei Zhang, Tian Cheng, Yixing Chen, Alexis Kalogeropoulos, Ioannis Papadopoulos, Hua Zhang, Siyuan Wang, Jessica Prisciandaro, Xin Chen, Michele Bianco, Sebastiana Gianì, Sun Hee Kim, Davide Di Croce, Guido Andreassi, Arvind Shah, Wei Sun, Jian Zhao, Rakesh Chawla, Jan Steggemann, Konstantin Androsov, Federica Legger, Gabriele Grosso

New sets of parameter tunes for two of the colour reconnection models, quantum chromodynamics-inspired and gluon-move, implemented in the PYTHIA 8 event generator, are obtained based on the default CMS PYTHIA 8 underlying-event tune, CP5. Measurements sens ...

Springer2023

Excitonic Diffusion in InGaN/GaN Core–Shell Nanowires

Jean-Daniel Ganière, Gwénolé Jean Jacopin, Hua Zhang, Mehran Shahmohammadi

We report on the direct observation of the diffusion of carriers in graded InGaN/GaN quantum wells in a nanowire. By probing the local dynamics at the nanoscale, along the wire for different temperatures between 4 and 250 K, we conclude that this diffusion ...

American Chemical Society (ACS)2016

SKA Science Data Challenge 2: analysis and results

Yi Zhang, Lei Zhang, Hua Zhang, Xin Chen, Jean-Paul Richard Kneib, Frédéric Courbin, Xiuwei Zhang, Libo Yu, Claudio Gheller, Aymeric Alexandre Galan, Austin Chandler Peel, Emma Elizabeth Tolley, Mark Thomas Sargent

The Square Kilometre Array Observatory (SKAO) will explore the radio sky to new depths in order to conduct transformational science. SKAO data products made available to astronomers will be correspondingly large and complex, requiring the application of ad ...

OXFORD UNIV PRESS2023

Study of azimuthal anisotropy of γ(1S) mesons in pPb collisions at √SNN=8.16 TeV

The azimuthal anisotropy of gamma(1S) mesons in high-multiplicity proton-lead collisions is studied using data collected by the CMS experiment at a nucleon-nucleon center-of-mass energy of 8.16 TeV. The gamma(1S) mesons are reconstructed using their dimuon ...

Elsevier2024

Azimuthal correlations in Z plus jets events in proton-proton collisions at √s=13TeV

The production of Z bosons associated with jets is measured in pp collisions at v s = 13 TeV with data recorded with the CMS experiment at the LHC corresponding to an integrated luminosity of 36.3 fb(-1). The multiplicity of jets with transverse momentum p ...

Springer2023

Measurement of the top quark mass using a profile likelihood approach with the lepton plus jets final states in proton-proton collisions at √s=13TeV

Jian Wang, Matthias Finger, Qian Wang, Yiming Li, João Miguel das Neves Duarte, Matthias Wolf, Varun Sharma, Yi Zhang, Lei Zhang, Tian Cheng, Yixing Chen, Alexis Kalogeropoulos, Ioannis Papadopoulos, Hua Zhang, Siyuan Wang, Jessica Prisciandaro, Xin Chen, Michele Bianco, Sebastiana Gianì, Sun Hee Kim, Davide Di Croce, Arvind Shah, Jian Zhao, Rakesh Chawla, Jan Steggemann, Konstantin Androsov, Anna Mascellani, Federica Legger, Matteo Galli, Gabriele Grosso

The mass of the top quark is measured in 36.3 fb(-1) of LHC proton-proton collision data collected with the CMS detector at root s = 13 TeV. The measurement uses a sample of top quark pair candidate events containing one isolated electron or muon and at le ...

Springer2023

Radiation loss of photonic crystal coupled-cavity waveguides

Romuald Houdré, Nicolas Le Thomas, Hua Zhang, Jana Jágerská

We experimentally investigate the out-of-plane radiation losses of photonic crystal coupled-cavity waveguides. We observe a strong variation in the losses along the dispersion curve and show that such variation is closely linked with the specific far-field ...

American Institute of Physics2009

Short cavity InGaN-based laser diodes with cavity length below 300 mu m

Hua Zhang, Nicolas Grandjean, Jean-François Carlin, Raphaël Butté, Denis Martin, Hezhi Zhang

We report on a practical method for developing InGaN-based edge emitting laser diodes of cavity length down to 45 mu m. Samples consisting of one uncoated cleaved facet and one etched facet coated with a high-reflectivity (HR) dielectric distributed Bragg ...

2019

HE-LHC: The High-Energy Large Hadron Collider Future Circular Collider Conceptual Design Report Volume 4

Yi Zhang, Jan Steggemann, Hua Zhang, Elena Graverini, Jeffrey Alan Hubbell, Pierluigi Bruzzone, Jean-Michel Sallese, Mingkui Wang, Luca Rossi, Mikhail Chapochnikov, Thomas Rizzo, Mathias Oleg Knecht, Doohyun Kim, Yu Bai, Fabio Avino, Xavier Buffat, Andrea Wulzer, Tatiana Pieloni, Michael Schenk, Florian Patrick Marie Daniel De la Barre De Nanteuil, Marco Drewes, Mithlesh Kumar, Alexandra Sarabando de Carvalho, Alban Sublet, Lorena Gonçalves de Alcântara e Freitas Krikler, Alexej Grudiev, Roberto Contino, José Luis Abelleira Fernández, Francesco Cerutti, Sondre Vik Furuseth, Giovanni Migliorati, Vincenzo D'Auria, Luca Vecchi, Javier Barranco Garcia, Claudia Tambasco, Sandra Aumon, Georgi Gorine, Bernhard Auchmann, Lotta Maria Mether, Léon Van Riesen-Haupt, Marc-Olivier Sauvain, Leonid Rivkin, Agnieszka Chmielinska, Eva Maria Rodriguez Franco

In response to the 2013 Update of the European Strategy for Particle Physics (EPPSU), the Future Circular Collider (FCC) study was launched as a world-wide international collaboration hosted by CERN. The FCC study covered an energy-frontier hadron collider ...

2019

FCC-hh: The Hadron Collider: Future Circular Collider Conceptual Design Report Volume 3

Yi Zhang, Jan Steggemann, Hua Zhang, Elena Graverini, Pierluigi Bruzzone, Jean-Michel Sallese, Luca Rossi, Mikhail Chapochnikov, Mathias Oleg Knecht, Doohyun Kim, Yu Bai, Fabio Avino, Xavier Buffat, Tatiana Pieloni, Andrea Wulzer, Michael Schenk, Marco Drewes, José Luis Abelleira Fernández, Mithlesh Kumar, Alexandra Sarabando de Carvalho, Leonid Rivkin, Vincenzo D'Auria, Alban Sublet, Alexej Grudiev, Roberto Contino, Francesco Cerutti, Sondre Vik Furuseth, Javier Barranco Garcia, Claudia Tambasco, Sandra Aumon, Agnieszka Chmielinska, Bernhard Auchmann, Lotta Maria Mether, Léon Van Riesen-Haupt

2019

FCC-ee: The Lepton Collider: Future Circular Collider Conceptual Design Report Volume 2

Yi Zhang, Jan Steggemann, Hua Zhang, Elena Graverini, Pierluigi Bruzzone, Jean-Michel Sallese, Luca Rossi, Mikhail Chapochnikov, Mathias Oleg Knecht, Doohyun Kim, Yu Bai, Fabio Avino, Xavier Buffat, Tatiana Pieloni, Andrea Wulzer, Michael Schenk, Marco Drewes, José Luis Abelleira Fernández, Mithlesh Kumar, Alexandra Sarabando de Carvalho, Leonid Rivkin, Alban Sublet, Alexej Grudiev, Roberto Contino, Francesco Cerutti, Sondre Vik Furuseth, Vincenzo D'Auria, Luca Vecchi, Javier Barranco Garcia, Claudia Tambasco, Sandra Aumon, Agnieszka Chmielinska, Georgi Gorine, Bernhard Auchmann, Léon Van Riesen-Haupt, Lotta Maria Mether

In response to the 2013 Update of the European Strategy for Particle Physics, the Future Circular Collider (FCC) study was launched, as an international collaboration hosted by CERN. This study covers a highest-luminosity high-energy lepton collider (FCC-e ...

2019

Refractive index sensing with an air-slot photonic crystal nanocavity

Romuald Houdré, Nicolas Le Thomas, Hua Zhang, Zhaolu Diao, Jana Jágerská

We investigate an air-slot photonic crystal cavity for high-precision refractive index sensing. The high quality factor ∼2:6 × 10^4 of the cavity, along with a strong overlap between the resonant mode and the hollow core region, allows us to achieve an exp ...

Optical Society of America2010

Broadened Bandwidth Amplified Spontaneous Emission from Blue GaN-Based Short-Cavity Superluminescent Light-Emitting Diodes

Hua Zhang, Nicolas Grandjean, Jean-François Carlin, Raphaël Butté, Denis Martin, Hezhi Zhang

We report broad bandwidth blue superluminescent light-emitting diodes (SLEDs) based on a short-cavity active region. The dependencies of amplified spontaneous emission (ASE) output power and gain bandwidth on cavity length were investigated in devices whos ...

2019

Measurement of differential cross sections for the production of a Z boson in association with jets in proton-proton collisions at √s=13 TeV

Jian Wang, Matthias Finger, Qian Wang, Yiming Li, João Miguel das Neves Duarte, Matthias Wolf, Varun Sharma, Yi Zhang, Tian Cheng, Yixing Chen, Alexis Kalogeropoulos, Ioannis Papadopoulos, Hua Zhang, Siyuan Wang, Jessica Prisciandaro, Peter Hansen, Xin Chen, Michele Bianco, Sebastiana Gianì, Davide Di Croce, Guido Andreassi, Arvind Shah, Wei Sun, Jian Zhao, Rakesh Chawla, Jan Steggemann, Konstantin Androsov, Federica Legger, Bandeep Singh

A measurement is presented of the production of Z bosons that decay into two electrons or muons in association with jets, in proton-proton collisions at a center-of-mass energy of 13 TeV. The data were cross sections are measured as a function of the trans ...

American Physical Society2023

Search for high-mass exclusive γγ → WW and γγ → ZZ production in proton-proton collisions at √s=13 TeV

A search is performed for exclusive high-mass gamma gamma -> WW and gamma gamma -> ZZ production in proton-proton collisions using intact forward protons reconstructed in near-beam detectors, with both weak bosons decaying into boosted and merged jets. The ...

Springer Nature2023