Arantxa Ruiz Martínez

Instituto de Física Corpuscular (IFIC, CSIC-UV)
Parque Científico, Catedrático José Beltrán, 2
E-46980 Paterna, Spain

arantxa.ruiz@ific.uv.es

CERN, 40/R-D01
CH-1211 Geneva 23, Switzerland

aranzazu.ruiz.martinez@cern.ch


Research Career

Since 12/12/2023
Research Staff (Científica Titular), IFIC (CSIC-UV), Valencia, Spain
01/10/2021 - 30/09/2022
CERN Scientific Associate
01/03/2018 - 11/12/2023
Ramón y Cajal Tenure Track, IFIC (CSIC-UV), Valencia, Spain
01/01/2016 - 28/02/2018
Postdoctoral Research Associate, Carleton University, Canada
01/01/2014 - 31/12/2015
CERN Research Fellow
01/12/2009 - 31/12/2013
Postdoctoral Research Associate, Iowa State University, USA
01/03/2005 - 30/11/2009

PhD Physics, University of Valencia, Spain


Responsibilities in the ATLAS Experiment

Since 01/03/2025



CERN Next Generation Trigger Project Task 2.7 Leader
Enhance TDAQ for the HL-LHC using ML-based event selections, advanced acceleration technologies, enabling richer data collection and more sensitivity to new physics.

Since 11/2024


LHC Higgs Working Group 4 (di-Higgs and multi-Higgs) Convener
Representing the ATLAS experiment.

01/10/2021 - 30/09/2022



ATLAS Trigger Coordinator
Elected position. Coordinator of the ATLAS Trigger system (online event selection for permanent storage) during the LHC Run 3 start.

01/10/2020 - 30/09/2021



ATLAS Deputy Trigger Coordinator
Elected position. Deputy coordinator of the ATLAS Trigger system (online event selection for permanent storage) overseeing the preparation for the LHC Run 3 start.

01/01/2018 - 30/09/2019



ATLAS Trigger Menu and Signature Performance Coordinator
Responsible for the ATLAS Trigger Menu (set of triggers and corresponding prescales) throughout 2018 data taking. Initial design of the baseline Trigger Menu for Run 3.

01/02/2016 - 31/12/2017



ATLAS Trigger E/gamma Signature Coordinator
Responsible for the electron and photon trigger performance, developments, validation and monitoring. Delivery of trigger scale factors and efficiency measurements for physics analyses.

01/04/2013 - 31/03/2014



ATLAS Trigger Calorimeter Software Coordinator
Responsible for the preparation of the calorimeter trigger software during the LHC Long Shutdown 1 for Run 2 data taking.

01/02/2013 - 31/01/2014


ATLAS contact in LHC Physics Centre at CERN (LPCC) Electroweak WG
Planning and discussion of physics measurements in the LHC experiments.

01/04/2012 - 31/03/2013



ATLAS Standard Model Jet and Photon Physics Subgroup Convener
Responsible for the measurements related to jet and prompt photon processes, covering approximately twenty different analyses.


Membership in Committees, Boards and Reviews

2024
IFIC Colloquium Organizer
2023
ATLAS search committee for Run Coordinator
2022

ATLAS search committee for Trigger and Data Acquisition (TDAQ) Speakers Committee (TDSC)

01/10/2021 - 30/09/2022
ATLAS Executive Board, member
01/10/2021 - 30/09/2022
ATLAS Collaboration Board, member
01/10/2020 - 30/09/2022
ATLAS Offline Activity Coordination Board (OAB), member
01/10/2020 - 30/09/2022
ATLAS Physics Coordination, member
01/10/2020 - 30/09/2022
ATLAS Trigger Coordination, chair
01/10/2020 - 30/09/2022
ATLAS Trigger Menu Coordination Group (MCG), member
01/10/2020 - 30/09/2022
ATLAS Trigger Signature Coordination Group (SCG), member
01/10/2020 - 30/09/2022
ATLAS Trigger and Data Acquisition (TDAQ) Steering Group (TDSG), member
01/01/2020 - 14/02/2021
ATLAS Trigger and Data Acquisition (TDAQ) Speakers Committee (TDSC), member
01/01/2018 - 30/09/2019
ATLAS Physics Coordination, member
01/01/2018 - 30/09/2019
ATLAS Trigger Coordination, member
01/01/2018 - 30/09/2019
ATLAS Trigger Menu Coordination Group (MCG), chair
01/01/2018 - 30/09/2019

ATLAS Trigger Signature Coordination Group (SCG), chair

Since 2020

ATLAS Trigger and Data Acquisition (TDAQ) Institute Board Representative of IFIC Valencia

Since 2021
European Physical Journal (EPJC) referee
Since 2018

Journal of Instrumentation (JINST) referee


Organization of Conferences and Workshops


Research Projects Direction

  • Upgrade del Detector ATLAS: Electrónica del Tile Calorimeter, Trigger y Explotación del Programa de Física
    PID2021-125069OB-I00
    01/09/2022 - 31/08/2025

  • Upgrade del Detector ATLAS: Electrónica del Tile Calorimeter y Explotación del Programa de Física
    ASFAE/2022/008
    30/06/2022 - 29/06/2025

  • Estudio del autoacoplamiento del bosón de Higgs en el experimento ATLAS del LHC
    CIAICO/2021/154
    01/01/2022 - 31/12/2024


Selected Publications and Conference Notes

  • ATLAS Collaboration, The ATLAS Trigger System for LHC Run 3 and Trigger performance in 2022,
    JINST 19 (2024) P06029, arXiv:2401.06630 [hep-ex]

  • ATLAS Collaboration, Search for non-resonant Higgs boson pair production in final states with leptons, taus, and photons in pp collisions at √s = 13 TeV with the ATLAS detector,
    JHEP 08 (2024) 164, arXiv:2405.20040 [hep-ex]

  • ATLAS Collaboration, Search for non-resonant Higgs boson pair production in the 2b + 2l + ETmiss final state in pp collisions at √s = 13 TeV with the ATLAS detector,
    JHEP 02 (2024) 037, arXiv:2310.11286 [hep-ex]

  • ATLAS Collaboration, Studies of new Higgs boson interactions through nonresonant HH production in the bbγγ final state in pp collisions at √s = 13 TeV with the ATLAS detector,
    JHEP 01 (2024) 066, arXiv:2310.12301 [hep-ex]

  • A. Valero, F. Carrio, L. Fiorini, A. Cervello, D. Hernandez, A. Ruiz Martinez, The PreProcessor module for the ATLAS Tile calorimeter at the HL-LHC,
    Front. Detect. Sci. Technol 1:1264123

  • ATLAS Collaboration, Cross-section measurements for the production of a Z boson in association with high-transverse-momentum jets in pp collisions at √s = 13 TeV with the ATLAS detector,
    JHEP 06 (2023) 080, arXiv:2205.02597 [hep-ex]

  • ATLAS Collaboration, Search for Higgs boson pair production in the two bottom quarks plus two photons final state in pp collisions at √s = 13 TeV with the ATLAS detector,
    Phys. Rev. D 106 (2022) 052001, arXiv:2112.11876 [hep-ex]

  • ATLAS Collaboration, Performance of electron and photon triggers in ATLAS during LHC Run 2,
    Eur. Phys. J. C 80 (2020) 47, arXiv:1909.00761 [hep-ex]

  • ATLAS Collaboration, Measurements of the production cross section of a Z boson in association with jets in pp collisions at √s = 13 TeV with the ATLAS detector,
    Eur. Phys. J. C 77 (2017) 361, arXiv:1702.05725 [hep-ex]

  • ATLAS Collaboration, Performance of the ATLAS trigger system in 2015,
    Eur. Phys. J. C 77 (2017) 317, arXiv:1611.09661 [hep-ex]

  • ATLAS Collaboration, Combination of searches for WW, WZ, and ZZ resonances in pp collisions at √s = 8 TeV with the ATLAS detector,
    Phys. Lett. B 755 (2016) 285, arXiv:1512.05099 [hep-ex]

  • ATLAS Collaboration, Search for production of WW/WZ resonances decaying to a lepton, neutrino and jets in pp collisions at √s = 8 TeV with the ATLAS detector,
    Eur. Phys. J. C 75 (2015) 209, arXiv:1503.04677 [hep-ex]

  • ATLAS Collaboration, Measurement of the cross-section of high transverse momentum vector bosons reconstructed as single jets and studies of jet substructure in pp collisions at √s = 7 TeV with the ATLAS detector,
    New J. Phys. 16 (2014) 113013, arXiv:1407.0800 [hep-ex]

  • ATLAS Collaboration, Performance of the Electron and Photon Trigger in p-p Collisions at √s = 7 TeV with the ATLAS Detector at the LHC,
    ATLAS-CONF-2011-114

  • ATLAS Collaboration, Measurement of D*± meson production in jets from pp collisions at √s = 7 TeV with the ATLAS detector,
    Phys. Rev. D 85 (2012) 052005, arXiv:1112.4432 [hep-ex]

  • ATLAS Collaboration, Expected performance of the ATLAS experiment: detector, trigger and physics,
    arXiv:0901.0512 [hep-ex]

  • B. Salvachúa et al., Algorithms for the ROD DSP of the ATLAS Hadronic Tile Calorimeter,
    JINST 2 (2007) T02001


Public Talks at Conferences and Workshops and Lectures


Supervision of Students

  • Katrin Kroeger, CERN summer student, 2014
  • Felipe Gilberto Ortega Gama, CERN summer student, 2015
  • Mayu Osugi, CERN summer student, 2018
  • Luis Carlos Pinto Leite, Bachelor's Thesis (Trabajo Fin de Grado, TFG), University of Valencia, 2020
  • Cecilia Maria Morcillo, Master's Thesis (Trabajo Fin de Master, TFM), University of Valencia, 2020
  • Ivan Sayago, PhD Thesis, University of Valencia, 2018-2022
  • Varsha Senthilkumar, PhD Thesis, University of Valencia, 2020-2024
  • Marta Lanzac, PhD Thesis, University of Valencia, 2023-2027


Outreach