Research Experiences


2014-now

Chargé de Recherche - ATLAS, CNRS 
ATLAS Group of Laboratoire de Physique Corpusculaire de Clermont-Ferrand (LPC), France
Search for new physics in the top quark sector and hadronic calorimeter R&D for High Luminosity LHC


2011-2014

Research Associate - ATLAS, Freiburg University 
ATLAS Group of Karl Jakobs, at Physikalishes Institut of Freiburg University, Germany.
Search and evidence for the Higgs boson in the $\tau\tau$ final state, fast simulation of the calorimeter.


2008-2011

PhD thesis - DØ, CEA 
DØ group of CEA-Saclay/Irfu/SPP, France.
Search for the Higgs boson in the $\mu+\tau_{\text{had}}$ final state, identification of $\tau$ leptons.


03/06-07/06

Research Internship - DØ, CNRS  
DØ group of LPNHE Paris, France. Based at FermiLab, Chicago, US.
Search for the Higgs boson production in association with a $W$ boson in the $b\bar{b}$ decay mode.


Commitments


Physics

Toward the first evidence for the SM production of $\boldsymbol{t\bar{t}t\bar{t}}$ with the full Run 2 dataset - LPC Clermont-Ferrand (2018-now)
Analysis coordinator of this new analysis, including 4 different channels.

Combined search for the $\boldsymbol{t\bar{t}t\bar{t}}$ production with 36.1 pb-1 of data - LPC Clermont-Ferrand (2018-now)
Interpretation in SM and EFT, editor of the internal documentation. One publication to come in 2018.

Search for new phenomena in events with same-sign dilepton and b-jets - LPC Clermont-Ferrand (2015-2018)  
Analysis coordinator, author and co-editor of the various documents (notes, publication).
Interpretation in four-top quark (SM, EFT, 2HDM), same-sign top pair $tt$ (interplay for dark matter search), and vector-like quarks.
One conference note and one publication to come in 2018.

First evidence for $\boldsymbol{H\to\tau\tau}$ - Freiburg University (2011-2014)  
Co-convener of the $H\to\tau_{\text{lep}}\tau_{\text{had}}$ final state.
Co-convener of the background estimate for the full $H\to\tau\tau$ analysis (three channels).
One conference note and one publication.

First search for $\boldsymbol{H\to WW \to\tau\nu\mu\nu}$ at DØ - CEA Saclay (2010-2011)  
Only analyzer and editor.
One publication.


Detector upgrade

Simulation and performances of the ATLAS Tile calorimeter phase-II - LPC Clermont-Ferrand (2018-now)
Co-convener of the group at the level of the ATLAS Tile group.

Production of 11000 electronic front-end cards for the ATLAS Tile calorimeter phase-II - LPC Clermont-Ferrand (2018-now)
Leader of the project at the LPC, including test bench design and cards validation.

R&D of a fully integrated electronic for the ATLAS Tile calorimeter phase-II - LPC Clermont-Ferrand (2016-2018)
Leader of the whole project at the LPC, including micro-electronics design and measurements,
Test beam experiments (4), data analysis, energy reconstruction and simulation to assess pile-up effect,
Four internal notes and one publication in preparation.


Reviews

Member of ATLAS internal editorial board - LPC Clermont-Ferrand (2018-now)  
Search for type-III seesaw heavy leptons.


Detector operation

ATLAS data quality shifts - LPC Clermont-Ferrand (2016-now)
Shifter to monitor calorimeter-related objects during the data taking period.

DØ Data Acquisition shifts - CEA Saclay (2009)
Shifter of the whole DAQ system of DØ for the last data taking period.


Laboratory life

LPC seminars - LPC Clermont-Ferrand (2015-now)  
Co-organisation of general physics seminar for the laboratory.


Outreach

Seminars on Higgs boson - everywhere in France (2015-now)
Seminars for (young) physicists who are not expert in particle physics. Learn more

CERN Masterclass - LPC Clermont-Ferrand (2015-2016)
Participation to an outreach program for high school students organized by CERN, across the world.

"Sur la route du boson" - Illustrated book (2015)  
Book, oriented for a large public, telling the story of the Higgs boson from the concept to the long discovery road.
Written with 3 other LPC colleagues: E. Busato, F. Badaud and J. Orloff. Learn more


Event organisation

Workshop on four-top quark search - CERN, Geneva (04/2018)  
General organisation to prepare the full Run 2 data analysis.

Journées Upgrade ATLAS IN2P3 - Annecy, France (04/2018)  
Member of the organisation committee

ATLAS Project Review IN2P3 - Paris, France (09/2016)  
Organisation & chair of the calorimetry session.

Physics ATLAS France - Puy-en-velay, France (11/2014)  
General organisation of the meeting.

ATLAS Tau workshop - Orsay, France (06/2014)  
Organisation and chair of the session dedicated to the accuracey of the simulation.

ATLAS Higgs workshop - Roma, Italy (04/2014)  
Organisation and chair of session dedicated to the MVA technics for Higgs related analysis.


Supervision


Postdoc

Stelios Angelidakis - LPC Clermont-Ferrand (2017-2019 at 50%)
Front-end electronics and signal reconstruction of the ATLAS tile calorimeter for the high luminosity LHC upgrade.

Sergey Senkin - LPC Clermont-Ferrand (2016-2018)
Search for dark matter candidates strongly coupled to the top quark in same-sign dilepton final state in ATLAS. Signal reconstruction of the ATLAS tile calorimeter electronics readout for the LHC Run 2 and the HL-LHC upgrade.


PhD

Lennart Rustige - LPC Clermont-Ferrand (2017-2020)
First observation of the production of four top quarks and improvement of the tile calorimeter eElectronics the for HL-LHC upgrade

Emery Nibigira - LPC Clermont-Ferrand (2016-2019 at 50%)
Simulation of the ATLAS tile calorimeter readout electronics for the HL-LHC upgrade, of the official ATLAS software.

William Barbe - LPC Clermont-Ferrand (2016-2019 at 50%)
Signal reconstruction of the ATLAS tile calorimeter readout electronics for the HL-LHC upgrade.

Nils Ruthmann - Freiburg University (2011-2014)  
Search for Standard Model $H\to\tau\tau$ Decays in the Lepton-Hadron Final State in Proton-Proton Collisions with the ATLAS Detector at the LHC.


Undergraduate

Mikaël Leroy - L3 - LPC Clermont-Ferrand (2017)  
Preliminary study on standard model production of four top quarks

Théo Megy - M2 - LPC Clermont-Ferrand (2015)  
Phenomenological study of dark matter model with high coupling to the top quark sector.

Gernot Knippen - M2 - Freiburg University (2014)
Multivariate analysis to improve Higgs boson production separation in the $\tau\tau$ final state.

Helge Hass - M2 - Freiburg University (2011-2012)  
Multivariate approach for a search for Higgs to $\tau\tau$ decay mode with ATLAS.

Johanna Nagel - M2 - Freiburg University (2011-2012)  
search for Higgs to $\tau\tau$ decay mode in ATLAS exploiting differences between various hadronic $\tau$ decay modes.


Funding Programs


2018-2022

CAPES/COFECUB program - France-Brazil  
Participant for a four year program allowing to work with brezilian colleagues, in partnership with LPNHE.

2015-2017

Projet Nouveau Chercheur - Région Auvergne  
Funding for a two years postdoctoral position, after application submission and oral audition.


Teaching Experiences


2013-2014

Chief Assistant, Master 
Advanced particle physics, in charge of example classes and final exam, Freiburg University.


2012-2013

Advanced Laboratory Courses, Bachelor 
Experimental projects of atomic and nuclear physics (from 1 day to 2 weeks), Freiburg University.


2011-2012

Example classes, Bachelor
General mechanics at L1 level, Freiburg University.


2008-2011

Lecturer, Engineer School 
In charge of lectures, example classes and final exam for Mathematics for physicist.
Institut de Formation d’Ingénieurs de Paris Sud (IFIPS) Orsay, France.


2007-2008

Weekly Oral examination, Classes préparatoires
General physics at L2/L3 level, Lycée Saint-Louis Paris, France.


Education


2008-2011

PhD  
"Identification of $\tau$ leptons and search for Higgs boson in $\mu+\tau$ final state at the DØ experiment, Tevatron"
Institution: CEA-Saclay, Irfu/SPP. Supervision: Marc Besançon and Fabrice Couderc.


2007-2008

Master 2  
High Energy Physics ; Noyaux Particle Astroparticule et Cosmologie (NPAC), ENS Cachan / Paris XI, Orsay.


2006-2007

Agrégation Sciences Physiques  
National competitive exam to teach fundamental physics in the first three years of University. ENS Cachan.


2004-2006

Bachelor and Master 1  
Fundamental physics ; ENS Cachan / Université Pierre et Marie Curie, Jussieu


2001-2004

Classes Préparatoires, ENS Cachan integration 
Two-year preparation for highly competitive, national entrance examinations into Grandes Écoles of France. Entered École Normale Supérieure de Cachan (ENS Cachan) in France in September 2004. ENS Cachan is one of the only three prestigious institutions of higher education providing post-graduate degrees to students who will become professors and researchers in their chosen field.