Ulascan Sarica

Postdoctoral researcher at University of California at Santa Barbara and Fermilab LPC Junior Distinguished Researcher

Research Expertise

Experimental particle physics
Nuclear and High Energy Physics
Instrumentation
Mathematical Physics

About

I am currently a postdoctoral researcher at the UC Santa Barbara Department of Physics and a Fermilab LHC Physics Center Junior Distinguished Researcher. <br> Since 2013, I have been conducting cutting-edge research in the CMS experiment at CERN, utilizing one of the largest and most complex particle detectors in the world. As part of this international collaboration, I have contributed to the measurements of Higgs boson properties, searches for new physics, the development of simulation and analysis software, the alignment of the CMS tracker, and the design of the MIP Timing Detector. In addition to having co-authored multiple publications in prestigious particle physics journals, I am also one of the lead-developers of the JHUGen Monte Carlo event generator and matrix element library package, used widely in Higgs boson properties analyses at the LHC. Please kindly see https://spin.pha.jhu.edu if you are interested to learn more about its capabilities. I also have interesting ideas for particle detector instrumentation to solve challenges in quantum error correction used in quantum computing. You may find a discussion of these ideas in my recent paper on the Journal of Instrumentation (postprint: https://arxiv.org/abs/2310.00577). I am also working with colleagues at Fermilab to reduce neural network complexity in error decoding applications. I have a strong background in physics, mathematics, statistics, and advanced computer programming. I have a PhD in Physics from The Johns Hopkins University, and two BS degrees in Physics and in Molecular Genetics from the University of Rochester. I also have extensive experience in particle detector design, deep learning, and heterogeneous computing, including distributed computing and GPU acceleration. I am passionate about advancing our understanding of the fundamental nature of the universe and applying my skills to solve challenging and meaningful problems.

Legacy Map

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Publications

Measurements of the underlying event activity and double parton scattering processes using the CMS detector
Proceedings of The European Physical Society Conference on High Energy Physics — PoS(EPS-HEP2017)
2017
Challenges of Particle Flow reconstruction in the CMS High-Granularity Calorimeter at the High-Luminosity LHC
Journal of Physics: Conference Series
2017
Handbook of LHC Higgs Cross Sections: 4. Deciphering the Nature of the Higgs Sector
Unknown Venue
2016
Jet Energy Calibrations at CMS experiment with 13 TeV collisions
Proceedings of The European Physical Society Conference on High Energy Physics — PoS(EPS-HEP2017)
2017
Search for Heavy Majorana Neutrinos in the Events with Same-Sign Lepton Pairs and Jets Using the CMS Detector in pp Collisions at $\sqrt{s} = 13$ TeV
Proceedings of The 39th International Conference on High Energy Physics — PoS(ICHEP2018)
2019
Performance of the CMS muon trigger system in proton-proton collisions at 13 TeV
Proceedings of The European Physical Society Conference on High Energy Physics — PoS(EPS-HEP2021)
2022
Differential Cross Section Measurement of the Drell-Yan Process at 13 TeV proton-proton Collisions with the CMS Detector
XXII DAE High Energy Physics Symposium
2018
Extraction and validation of CMS PYTHIA8 color reconnection tunes
Nuclear and Particle Physics Proceedings
2023
Measurement of the Higgs Boson Production Cross Section in Hadronic Final States in 13 TeV Proton-Proton Collisions with the ATLAS Detector
Unknown Venue
Experimental Observation of Classical Dynamical Monodromy
Physical Review Letters
2018
SM Higgs Exclusion and Anomalous Spin Zero HVV Couplings of the Higgs Boson in Proton Collisions at 7 TeV and 8 TeV
Springer Proceedings in Physics
2016
Observation of Higgs boson decay to bottom quarks
Unknown Venue
2019
Detecting hidden sector dark matter at HL-LHC and HE-LHC via long-lived stau decays
Physical Review D
2019
Precision luminosity measurement of proton-proton collisions at the CMS experiment in Run 2
Proceedings of European Physical Society Conference on High Energy Physics — PoS(EPS-HEP2019)
2020
Measurements of properties of the Higgs boson in the four-lepton final state at √s = 13 TeV
Proceedings of Sixth Annual Conference on Large Hadron Collider Physics — PoS(LHCP2018)
2018
Higgs boson searches with tau leptons in CMS
AIP Conference Proceedings
2012
Influence of transverse segmentation of back hadronic calorimeter of CMS detector (LHC) on identification of tagging jets in VBF H → τ−τ+ process
Journal of Contemporary Physics (Armenian Academy of Sciences)
2017
Measurement of the top quark pair production cross-section in dimuon final states in proton-antiproton collisions at 1.96 TeV
Unknown Venue
2008
Measurement of the Top Quark Mass in the All-Hadronic Top-Antitop Decay Channel Using Proton-Proton Collision Data from the ATLAS Experiment at a Centre-of-Mass Energy of 8 TeV
Unknown Venue
Search for $Z\gamma$ resonances using leptonic and hadronic final states in proton-proton collisions at 13 TeV with the CMS experiment
Proceedings of The 39th International Conference on High Energy Physics — PoS(ICHEP2018)
2019
$B^0_s$ and $B^+$ nuclear modification factors in PbPb collisions at at $\sqrt S_{NN}$ = 5.02 TeV with the CMS detector
Proceedings of International Conference on Hard and Electromagnetic Probes of High-Energy Nuclear Collisions — PoS(HardProbes2018)
2019
Search for narrow high-mass resonances in proton–proton collisions at 8 TeV decaying to a Z and a Higgs boson
Proceedings of 38th International Conference on High Energy Physics — PoS(ICHEP2016)
2017
Performance of Missing Energy reconstruction at the CMS detector in 13 TeV data
Proceedings of 38th International Conference on High Energy Physics — PoS(ICHEP2016)
2017
Search for the Higgs Boson Produced in Association with a Vector Boson Using Like-Sign Dilepton Events in 1.96-TeV Proton-Antiproton Collisions
Unknown Venue
2013
Publisher Correction: A detailed map of Higgs boson interactions by the ATLAS experiment ten years after the discovery
Nature
2022
The CMS tracker upgrade for the High Luminosity LHC
Proceedings of 40th International Conference on High Energy physics — PoS(ICHEP2020)
2021
Search for the Higgs boson decay into a charm quark-antiquark pair at the CMS experiment and future developments
Proceedings of The Eleventh Annual Conference on Large Hadron Collider Physics — PoS(LHCP2023)
2024
The Phenomenology of the Higgs Boson at the LHC
Measurements of Higgs Boson Properties in Proton-Proton Collisions at √s =7, 8 and 13 TeV at the CERN Large Hadron Collider
2019
Cross-section measurements of the Higgs boson decaying to a pair of tau leptons in proton–proton collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
Proceedings of The 39th International Conference on High Energy Physics — PoS(ICHEP2018)
2019
Search for the Standard Model Higgs boson in the vector boson fusion-mediated diphoton decay channel using multivariate analysis techniques
Unknown Venue
Performance of reconstruction and identification of $\tau$ leptons in their hadronic decays in pp collisions at $\sqrt s = 13$ TeV at CMS
Proceedings of The 39th International Conference on High Energy Physics — PoS(ICHEP2018)
2019
Search for the associated production of a Higgs boson and a top quark pair in multilepton (2 leptons, no hadronically-decaying $τ$ lepton candidates and 4 leptons) final states with the ATLAS detector.
Proceedings of The European Physical Society Conference on High Energy Physics — PoS(EPS-HEP2017)
2018
The hunt for physics beyond the standard model
Unknown Venue
Two-particle angular correlations in pp and CuCu collisions at PHOBOS
Proceedings of Correlations and Fluctuations in Relativistic Nuclear Collisions — PoS(CFRNC2006)
2007
Corrigendum to “Search for dijet resonances in proton–proton collisions at s=13 TeV and constraints on dark matter and other models” [Phys. Lett. B 769 (2017) 520–542]
Physics Letters B
2017
Search for Higgs boson pair production with one associated vector boson in proton-proton collisions with CMS
Proceedings of The European Physical Society Conference on High Energy Physics — PoS(EPS-HEP2023)
2024
Cross Section Measurements of the Higgs Boson in the Diphoton Decay Channel Using Proton-Proton Collision Data Recorded by the ATLAS Detector at Centre-of-Mass Energies of 7 TeV and 8 TeV
Unknown Venue
Search for supersymmetry with jets and missing transverse momentum in pp collisions at 13 TeV with CMS
Proceedings of 38th International Conference on High Energy Physics — PoS(ICHEP2016)
2017
D meson nuclear modification factor and v n harmonics in PbPb collisions at 5.02 TeV with CMS
Nuclear Physics A
2017
Combined searches for the production of supersymmetric top quark partners in proton-proton collisions at √𝒔 = 13 TeV
Proceedings of The European Physical Society Conference on High Energy Physics — PoS(EPS-HEP2021)
2022
Search for additional neutral MSSM Higgs bosons in the di-tau final state at CMS
Proceedings of An Alpine LHC Physics Summit — PoS(ALPS2018)
2018
Precise calculation of differential cross sections for the Z boson plus jets production in proton-proton collisions at a center-of-mass energy of 13 TeV
TURKISH JOURNAL OF PHYSICS
2019
Anomalous couplings in Higgs-boson pair production at approximate NNLO QCD
Journal of High Energy Physics
2021
Search for new particles decaying to dijets in proton - anti-proton collisions at 1.8-TeV
Unknown Venue
1996
Proton Decay into Charged Leptons
Physical Review Letters
2018
Measurement and QCD analysis of double-differential inclusive jet cross sections at 13 TeV
Proceedings of The Tenth Annual Conference on Large Hadron Collider Physics — PoS(LHCP2022)
2023
The role of the false events on the DQE measurement of the radiation detectors
Journal of Instrumentation
2013
Hydrodynamic collectivity in proton–proton collisions at 13 TeV
Physics Letters B
2018
Measurement of Normalized Differential Cross Section for the $t\bar{t}$ Production in the Dilepton Channel in pp Collisions at $\sqrt{s}$=13 TeV
Proceedings of 38th International Conference on High Energy Physics — PoS(ICHEP2016)
2017
Search for dark matter production in association with a hadronically decaying vector boson in pp collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
Proceedings of The 39th International Conference on High Energy Physics — PoS(ICHEP2018)
2019
Measurement of the Spin Correlation in the Top Quark Pair Production using the Dilepton Events in 1.96-TeV Proton-Antiproton Collisions
Unknown Venue
2012
Search for long-lived neutral particles decaying into lepton-jets in 20.3 fb−1proton-proton collisions at √s = 8 TeV with the ATLAS detector
EPJ Web of Conferences
2016
Study of Z boson production in pp, pPb and PbPb collisions in CMS
Journal of Physics: Conference Series
2015
A measurement of top anti-top quark pair production cross section in proton anti-proton collisions at a center-of-mass energy of 1.96 TeV
Unknown Venue
2003
Search for a High-Mass Higgs Boson Produced in Proton Anti-Proton Collisions at $\sqrt{s} = 1.96$ Tev with an Hadronic t in the Final State
Unknown Venue
2011
ATLAS Measurements of the Higgs Boson Coupling to the Top Quark in the Higgs to Diphoton Decay Channel
Springer Theses
2021
Calculation of the low-energy gamma ray detection efficiency for a GM tube
Journal of Instrumentation
2017
Measurements of WW, ZZ cross section and search for anomalous quartic gauge couplings at D0
Proceedings of The European Physical Society Conference on High Energy Physics — PoS(EPS-HEP 2013)
2014
Measurement of the top - anti-top Production Cross Section at √s = 1.96-TeV in the e + jets Final State of proton anti-proton Collisions at the Tevatron
Unknown Venue
2005
Measurement of nonprompt and prompt D0 azimuthal anisotropy in Pb-Pb collisions at √SNN = 5.02 TeV
EPJ Web of Conferences
2023
Search for narrow resonances in dijet final states at s=8 TeV with the novel CMS technique of data scouting
AIP Conference Proceedings
2017
Search for new physics in final states with low transverse energy photon and missing transverse energy in proton-proton collisions at $\sqrt{s} = 8$ TeV
Unknown Venue
2015
WITHDRAWN: Cross section measurement of t-channel single top quark production in pp collisions at s=13 TeV
Physics Letters B
2017
Search for a light charged Higgs boson decaying to a W boson and a CP-odd Higgs boson in trilepton final states in pp collisions at 13 TeV with CMS
Proceedings of 40th International Conference on High Energy physics — PoS(ICHEP2020)
2020
Search for physics beyond the standard model in final states with two or three soft leptons and missing transverse momentum in proton-proton collisions at s=13 TeV
Journal of Physics: Conference Series
2021
Latest results of the measurement of the Higgs boson decaying to bottom quark pair
Proceedings of The 39th International Conference on High Energy Physics — PoS(ICHEP2018)
2019
Search for high-mass dimuon resonances using proton-proton collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
Proceedings of The 39th International Conference on High Energy Physics — PoS(ICHEP2018)
2019
Charmonium suppression in heavy ion collisions by prompt gluons
Physics Letters B
1998
The inclusive jet cross-section in proton anti-proton collisions at √s= 1.96-TeV using the MidPoint jet algorithm
Unknown Venue
2005
Search for charged Higgs bosons in decays of top quarks in proton - antiproton collisions at √s = 1.96 TeV
Unknown Venue
2009
Top Quark Search in the Dilepton Channel in 1.8-TeV Proton - Anti-proton Collisions
Unknown Venue
1994
Search for a heavy Higgs boson decaying to a pair of W bosons in proton-proton collisions at 13 TeV with CMS
Proceedings of European Physical Society Conference on High Energy Physics — PoS(EPS-HEP2019)
2020
Exclusive W+W- production measured with the CMS experiment and constraints on Anomalous Quartic Gauge Couplings
Proceedings of The European Physical Society Conference on High Energy Physics — PoS(EPS-HEP2015)
2016
Search for the production of four top quarks in proton-proton collisions at $\sqrt{s}=13$ TeV in the single lepton and opposite-sign dilepton channels with the ATLAS detector at the Large Hadron Collider
Unknown Venue
Measurement of the Inclusive Jet Cross Sections at $\sqrt{s}$ = 1.8-TeV with the D0 Detector
Unknown Venue
1994
A Search for New Physics with High Mass Tau Pairs in proton anti-proton collisions at √s = 1.96-TeV at CDF
Unknown Venue
2005
Azimuthal Anisotropy of D $${^0}$$ 0 Production in Pb–Pb Collisions
Springer Theses
2016
Measurement of differential cross sections in top pair production in pp collisions
Proceedings of The European Physical Society Conference on High Energy Physics — PoS(EPS-HEP2015)
2016
Measurements of the differential cross section and charge asymmetry for inclusive pp→W(μν) production with 8 TeV CMS data and CMS single muon trigger efficiency study
Unknown Venue
Direct Measurement of the Higgs Boson Mass, Natural Width, and Cross Section Times Branching Ratio to Four Leptons Using a Per-Event Lineshape in the Higgs to ZZ to Four Lepton Decay Channel with the ATLAS Detector
Unknown Venue
Measurement of differential cross sections for the production of top quark pairs and of additional jets in pp collisions at $\sqrt{s} = 13$ TeV
Proceedings of The Tenth Annual Conference on Large Hadron Collider Physics — PoS(LHCP2022)
2023
Measurement of D-meson nuclear modification factor and flow in Pb--Pb collisions with ALICE at the LHC
Proceedings of International Conference on Hard and Electromagnetic Probes of High-Energy Nuclear Collisions — PoS(HardProbes2018)
2019
Rare decays in CMS
Proceedings of European Physical Society Conference on High Energy Physics — PoS(EPS-HEP2019)
2020
Measurement of normalized differential ttbar cross sections in the dilepton channel from pp collisions at 13 TeV with CMS
Proceedings of The 39th International Conference on High Energy Physics — PoS(ICHEP2018)
2019
Search for exotic leptons in final states with two or three leptons and fat-jets at 13 TeV LHC
Journal of High Energy Physics
2022
Charge-dependent azimuthal correlations in pPb collisions with CMS experiment
Nuclear Physics A
2017
Measurement of the Top Quark Pair Production Cross-Section in the Dilepton Channel Using Lepton Plus Track Selection and Identified B-Jets
Unknown Venue
2008
Centrality-Dependent Lévy HBT Analysis in sNN=5.02 TeV PbPb Collisions at CMS
Universe
2023
CMS luminosity precision in 2017 proton-proton collisions at LHC at $\sqrt{s}=13$ TeV
Proceedings of The 39th International Conference on High Energy Physics — PoS(ICHEP2018)
2019
Dijet imbalance in 2.76 TeV PbPb collisions in CMS
Proceedings of 36th International Conference on High Energy Physics — PoS(ICHEP2012)
2013
Search for top squarks and dark matter particles in opposite-charge dilepton final states at CMS
Proceedings of An Alpine LHC Physics Summit — PoS(ALPS2018)
2018
A Measurement of the $Z$ boson production cross-section multiplied by the muon branching fraction in $p\bar{p}$ collisions at 1.96-TeV
Unknown Venue
2003
Azimuthal angular correlations between D$^{*+}$ mesons and charged hadrons in proton-proton collisions at 13 TeV with the ALICE experiment at the LHC
Unknown Venue

Education

Johns Hopkins University

Ph. D., Physics and Astronomy / December, 2018

Baltimore, Maryland, United States of America

University of Rochester

B.S., Physics / May, 2013

Rochester, New York, United States of America

Experience

University of California at Santa Barbara

Postdoctoral researcher / October, 2018Present

My research primarily focuses on the CMS experiment at the CERN Large Hadron Collider. The topics include the measurements of Higgs boson properties, and searches for new physics, i.e., dimuon events with b quark jets, displaced dimuons events through scouting triggers, and searches for SUSY top squark candidates. I have also been involved with GEANT4 detector simulation efforts of the CMS MIP Timing Detector (MTD) currently planned for installation for high-luminosity LHC data taking.

Johns Hopkins University

Graduate student researcher / September, 2013October, 2018

I worked in the CMS experiment at the LHC on the measurements of Higgs boson properties and the alignment of the CMS tracker system. During this time, I developed various software tools for Monte Carlo event simulation and matrix element techniques, data analysis, and particle tracking in CMS.

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