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Accueil du site > Le LPNHE > Pages du personnel permanent > Chercheurs > Malaescu Bogdan

Malaescu Bogdan

par Bogdan MALAESCU - 20 août

Family Name : MALAESCU

First Name : Bogdan

Email : malaescu in2p3.fr

ORCID : 0000-0002-8813-3830

Activity : ATLAS

Address : Laboratoire de Physique Nucléaire et des Hautes Énergies (LPNHE), Barre 12/22, 4 place Jussieu,75005 Paris cedex 05
Tél. +33 (0)1 44 27 91 30

PROFESSIONAL EXPERIENCE

  • Since October 2016 : CR1 at CNRS (staff)
  • October 2012 – September 2016 : CR2 at CNRS (staff)
  • October 2010 – September 2012 : fellow in the ATLAS group at CERN
  • Major Collaborations
    • Since 2010 : member of the ATLAS collaboration
    • 2007 – 2014 : member of the BABAR collaboration
  • Main responsibilities in the ATLAS experiment
    • Since April 2020 : convener of the Statistics Committee
    • Since December 2019 : member of the Statistics Committee
    • Since October 2019 : convener of the LHC EW Working Group (part of the LPCC), on behalf of ATLAS
    • October 2017 – September 2019 : convener of the « Standard Model » group
    • October 2014 – September 2016 : convener of the « Statistics Forum »
    • April 2014 – March 2015 : convener of the « Jets & photons » sub-group
    • October 2012 – September 2013 : convener of the « Jet energy scale and jet energy resolution » sub-group

EDUCATION

  • 2006-2007 : Master « Concepts Fondamentaux de la Physique », Option of Theoretical Physics – ENS Paris, Ecole Polytechnique, Univesity Paris 6 and University Paris 11, ENS Cachan – France, degree obtained with mention « Good »
  • 2003-2007 : Engineer studies at Ecole Polytechnique, Paris, France – obtained engineer and master degree
  • 2001-2003 : Computer science studies at Polytechnic University of Bucharest, Romania

MAIN ARTICLES (with important personal contributions)

  • « Impact of correlations between aμ and αQED on the EW fit », Bogdan Malaescu and Matthias Schott, arXiv:2008.08107.
  • « Jet energy scale and resolution measured in proton–proton collisions at √s = 13 TeV with the ATLAS detector », the ATLAS Collaboration, arXiv:2007.02645.
  • « The anomalous magnetic moment of the muon in the Standard Model », the Muon g-2 Theory Initiative, arXiv:2006.04822.
  • « Determination of jet calibration and energy resolution in proton-proton collisions at √s = 8 TeV using the ATLAS detector », the ATLAS Collaboration, arXiv:1910.04482.
  • « A new evaluation of the hadronic vacuum polarisation contributions to the muon anomalous magnetic moment and to alpha(mZ) », M. Davier et al., Eur.Phys.J.C 80 (2020) 3, 241, arXiv:1908.00921.
  • « In situ calibration of large-R jet energy and mass in 13 TeV proton-proton collisions with the ATLAS detector », the ATLAS Collaboration, Eur.Phys.J. C79 (2019) no.2, 135, arxiv:1807.09477.
  • « Search for low-mass dijet resonances using trigger-level jets with the ATLAS detector in pp collisions at √s=13 TeV », the ATLAS Collaboration, Phys.Rev.Lett. 121 (2018) no.8, 081801, arxiv:1804.03496.
  • « Measurement of inclusive jet and dijet cross-sections in proton-proton collisions at √s=13 TeV with the ATLAS detector », the ATLAS Collaboration, JHEP 1805 (2018) 195, arxiv:1711.02692.
  • « Reevaluation of the hadronic vacuum polarisation contributions to the Standard Model predictions of the muon g-2 and alpha(mZ) using newest hadronic cross-section data », M. Davier et al., Eur.Phys.J. C77 (2017) no.12, 827, arXiv:1706.09436.
  • « Measurement of the inclusive jet cross-sections in proton-proton collisions at √s=8 TeV with the ATLAS detector », the ATLAS Collaboration, JHEP 09 (2017) 020, arxiv:1706.03192.
  • « Jet energy scale measurements and their systematic uncertainties in proton-proton collisions at √s=13 TeV with the ATLAS detector », the ATLAS Collaboration, Phys. Rev. D 96 (2017) 072002, arXiv:1703.09665.
  • « Search for new phenomena in dijet events using 37 fb^-1 of pp collision data collected at √s=13 TeV with the ATLAS detector », the ATLAS Collaboration, Phys. Rev. D 96 (2017) 052004, arXiv:1703.09127.
  • « Measurement of the inclusive jet cross-section in proton-proton collisions at √s=7 TeV using 4.5 fb^-1 of data with the ATLAS detector », the ATLAS Collaboration, JHEP 1502 (2015) 153, arXiv:1410.8857.
  • « Jet energy measurement and its systematic uncertainty in proton-proton collisions at √s=7TeV with the ATLAS detector », the ATLAS collaboration, Eur. Phys. J. C (2015) 75:17, arXiv:1406.0076.
  • « Measurement of dijet cross sections in pp collisions at 7 TeV centre-of-mass energy using the ATLAS detector », the ATLAS collaboration, JHEP 1405 (2014) 059, arXiv:1312.3524.
  • « Update of the ALEPH non-strange spectral functions from hadronic tau decays », M. Davier et al., Eur.Phys.J. C74 (2014) 2803, arXiv:1312.1501.
  • « Comments on « An Update of the HLS Estimate of the Muon g-2 » by M.Benayoun et al., arXiv:1210.7184v3 », M. Davier and B. Malaescu, Eur. Phys. J. C (2013) 73 : 2597, arXiv:1306.6374.
  • « Precision Measurement of the e+ e- —> K+ K- (gamma) Cross Section with the Initial-State Radiation Method at BaBar », the BABAR collaboration, Phys. Rev. D 88 (2013) 032013, arXiv:1306.3600.
  • « Measurement of the inclusive jet cross section in pp collisions at sqrt(s)=2.76 TeV and comparison to the inclusive jet cross section at sqrt(s)=7 TeV using the ATLAS detector », the ATLAS collaboration, Eur. Phys. J C 73 (2013) 2509, arXiv:1304.4739.
  • « Precise Measurement of the e+ e- —> pi+ pi- (gamma) Cross Section with the Initial-State Radiation Method at BABAR », the BABAR collaboration, Phys. Rev. D 86 (2012) 032013, arXiv:1205.2228.
  • « Evaluation of the Strong Coupling Constant alpha_s Using the ATLAS Inclusive Jet Cross-Section Data », B. Malaescu and P. Starovoitov, Eur.Phys.J. C72 (2012) 2041, arXiv:1203.5416.
  • « Jet energy measurement with the ATLAS detector in proton-proton collisions at sqrt(s) = 7 TeV », the ATLAS collaboration, Eur. Phys. J. C 73 (2013) 2304, arXiv:1112.6426.
  • « Measurement of inclusive jet and dijet production in pp collisions at sqrt(s) = 7 TeV using the ATLAS detector », the ATLAS collaboration, Phys. Rev. D 86 (2012) 014022, arXiv:1112.6297.
  • « Reevaluation of the Hadronic Contributions to the Muon g-2 and to alpha(MZ) », M. Davier et al., Eur.Phys.J.C71:1515,2011, arXiv:1010.4180.
  • « A note on renormalon models for the determination of alpha_s(M_tau) », S. Descotes-Genon and B. Malaescu, arXiv:1002.2968.
  • « Reevaluation of the hadronic contribution to the muon magnetic anomaly using new e+ e- ---> pi+ pi- cross section data from BABAR », M.Davier et al., Eur.Phys.J.C66:1-9,2010, arXiv:0908.4300.
  • « Precise measurement of the e+ e- ---> pi+ pi- (gamma) cross section with the Initial State Radiation method at BABAR », the BABAR collaboration, Phys.Rev.Lett.103:231801,2009, arXiv:0908.3589.
  • « An Iterative, dynamically stabilized method of data unfolding », B. Malaescu, arXiv:0907.3791.
  • « The Discrepancy Between tau and e+e- Spectral Functions Revisited and the Consequences for the Muon Magnetic Anomaly », M. Davier et al., Eur.Phys.J.C66:127-136,2010, arXiv:0906.5443.
  • « The Determination of alpha_s from Tau Decays Revisited », M. Davier et al., Eur.Phys.J.C56:305-322,2008, arXiv:0803.0979.

My full list of publications can be found here.

BOOK

  • 2014-2015 : “Hadron Contribution to Vacuum Polarization” chapter (M. Davier et al.) part of the book “The Standard Theory of Particle Physics”, edited by Luciano Maiani and Gigi Rolandi, in the series “Essays in the 60th Anniversary of CERN”, World Scientific Publishing

INTERNATIONAL CONFERENCES, INVITED SEMINARS AND WORKSHOPS : talks, organisation, session convenership

  • April 2013 : convener of the « QCD and Hadronic Final State » session at the conference DIS2013, Marseille ; plenary talk summarizing the experimental talks of the session, PoS DIS2013 (2013) 020.

Other attended conferences and workshops : FCC workshop 2019 (Paris, France) ; Moriond 2019 (la Thuile, Italy) ; ICHEP 2010 (Paris, France)

SEMINARS AND PUBLIC MEETINGS : talks and organisation

TEACHING AND SUPERVISION EXPERIENCE

  • November 2013 – October 2016 : collaboration with Dimitris VAROUCHAS, PostDoc working mainly on the differential ttbar cross-section measurement and on the jet energy calibration and resolution, LPNHE, CNRS, France
  • October 2016 – September 2019 : co-supervisor of Robert HANKACHE, PhD student working on the jet energy calibration and resolution, the measurement jet cross-sections and searches of New Physics using jets, CERN-THESIS-2019-193, LPNHE, France
  • October 2012 – September 2014 : co-supervisor of Guillaume LEFEBVRE, PhD student working on the jet energy calibration and resolution, and the measurement of the ttbar cross-section, CERN-THESIS-2014-234, LPNHE, CNRS, France
  • March-June 2020 – supervisor for the internship of Louis Ginabat, Master 2 student on the absolute in-situ jet energy calibration using the eta-intercalibration method, LPNHE, CNRS, France
  • March – June 2016 : supervisor for the internship of Robert HANKACHE, Master 2 student, working on the in-situ jet energy calibration, LPNHE, CNRS, France
  • March – June 2015 : supervisor for the internship of Mathis CARISTAN, Master 2 student, working on the fiducial ttbar cross-section measurement, LPNHE, CNRS, France
  • April-June 2013 : supervisor for the internship of Oleh KIVERNYK, Master 2 student, working on the energy calibration and the measurement of the energy resolution of jets, LPNHE, CNRS, France
  • 2011 and 2012 : main supervisor for two CERN summer student projects : « Binning optimization for unfolded data spectra and applications for the inclusive jet cross section »
  • 2007-2010 : teaching assistant for second year students at University Paris 11

INVITED SCIENTIFIC COLLABORATORS

  • October 2016 : invited student F. Daneri to LPNHE, for 1 week, work on the jet calibration, supported by a Sorbonne Paris Cité funding.
  • October 2015 : invited scientist P. Loch to LPNHE, for 1 month, work on new methods of jet calibration, supported by a Lagrange funding.
  • October 2015 : invited student G. Marceca to LPNHE, for 3 weeks, work on the jet calibration and cross section measurements, supported by a Sorbonne Paris Cité funding.

SCIENTIFIC STAYS IN FOREIGN LABORATORIES

  • January 2016 : stay at the University of Buenos Aires, for 2.5 weeks, work on the jet calibration and the jet cross section measurements with R. Piegaia and his students J. Bossio and G. Marceca, supported by an EPLANET funding.

ORGANISATION OF SCIENTIFIC MEETINGS

  • Since April 2020 : Organized monthly ATLAS Statistics Forum meetings and bi-weekly ATLAS Statistics Committee meetings, as part of the convenership of the « Statistics Committee »
  • October 2017 – September 2019 : Organized weekly ATLAS meetings as part of the convenership of the « Standard Model » group
  • 2018 : Co-organizer of a workshop on the ATLAS forward physics program, a workshop on the studies done using low-mu data collected with ATLAS, two workshops on the effective field theory studies using ATLAS data (CERN) and an ATLAS Standard Model workshop (London, UK)
  • 2017 : Co-organizer of two workshops on ATLAS data reinterpretation (CERN)
  • October 2014 – September 2016 : Organized monthly ATLAS meetings as part of the convenership of the « Statistics Forum »
  • April 2014 – March 2015 : Organized weekly ATLAS meetings as part of the convenership of the sub-group « Jets & photons »
  • 2014 : Representative of the ATLAS LPNHE group for organizing the Physics ATLAS France workshop in November 2014, and chair of the SM/Top session
  • October 2012 – September 2013 : Organized weekly ATLAS meetings as part of the convenership of the sub-group « Jet energy scale and jet energy resolution »
  • 2014-2015 : As co-convener of the sub-group « Jets & photons », contributed to the organization of the ATLAS Standard Model workshop, Annecy, France
  • 2013 : As co-convener of the sub-group « Jet energy scale and jet energy resolution », contributed to the organization of the ATLAS « Hadronic calibration workshop », Chicago, USA
  • 2011 – 2014 : Co-organizer and contributor to three ATLAS workshops on unfolding, CERN

COMMISSIONS OF TRUST

  • Since 2012 : Referee for the European Physics Journal C
  • Since 2014 : Referee for the JINST journal
  • Since 2016 : Referee for the PRD journal ; referee for the NIM A journal
  • Since 2019 : Referee for the NPJ Quantum Information
  • Since 2020 : Referee for the Progress in Particle and Nuclear Physics journal ; referee for the JHEP
  • Since 2010 : Member of several editorial boards for ATLAS publications
  • Since 2020 : Member of the PhD committee for a thesis prepared at LPNHE, France
  • September 2019 : Member of the examining committee for the PhD thesis of Robert HANKACHE (LPNHE), France
  • November 2016 : Member of the committee in charge of recruiting a postdoc in the LHCb group at LPNHE
  • September 2014 : Member of the examining committee for the PhD thesis of Guillaume LEFEBVRE (LPNHE), France
  • September 2013 : Member of the examining committee for the PhD thesis of Nicolas MERIC (CEA, LPTHE, LPNHE), France

PRIZES AND DISTINCTIONS

  • 2015 : Obtained the « PhD supervision and research bonus » from CNRS, for a duration of 4 years, for “exceptional contributions to research”
  • 1996-2001 : Numerous prizes and distinctions at national (Romanian) and international physics competitions
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