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8th International Conference on High Energy Physics in the LHC Era

9–13 Jan 2023
Universidad Técnica Federico Santa María
Chile/Continental timezone

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Session

Parallel Session D

10 Jan 2023, 16:40
Building T (Universidad Técnica Federico Santa María)

Building T

Universidad Técnica Federico Santa María

Avda. España 1680, Valparaíso, Chile

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  1. 200. ATLAS ITk Pixel Detector Overview
    Prof. Serguei Kuleshov (Universidad Andrés Bello (Santiago, Chile)/SAPHIR Millennium Institute of ANID, Chile)
    10/01/2023, 16:40
    Particle Detectors and Instrumentations
    parallel

    In the high-luminosity era of the Large Hadron Collider, the instantaneous luminosity is expected to reach unprecedented values, resulting in up to 200 proton-proton interactions in a typical bunch crossing. To cope with the resulting increase in occupancy, bandwidth and radiation damage, the ATLAS Inner Detector will be replaced by an all-silicon system, the Inner Tracker (ITk). The innermost...

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  2. 369. Bent crystal extraction from lepton storage rings: the SHERPA experiment
    Marco Garattini (CERN)
    10/01/2023, 17:00
    Particle Detectors and Instrumentations
    parallel

    The SHERPA (“Slow High-efficiency Extraction from Ring Positron Accelerator”) project aim is to develop an efficient technique to extract a positron beam from one of the accelerator rings composing the DAΦNE accelerator complex at the Frascati National Laboratory of INFN, setting up a new beam line able to deliver positron spills of O(ms) length, excellent beam energy spread and...

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  3. 370. Redefining Performance: New Techniques for ATLAS Jet & MET Calibration
    Mr Louis Ginabat (LPNHE-Paris CNRS/IN2P3 Sorbonne Université)
    10/01/2023, 17:20
    Particle Detectors and Instrumentations
    parallel

    Experimental uncertainties related to hadronic object reconstruction can limit the precision of physics analyses at the LHC, and so improvements in performance have the potential to broadly increase the impact of results. Recent refinements to reconstruction and calibration procedures for ATLAS jets and MET result in reduced uncertainties, improved pileup stability and other performance gains....

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  4. 371. Depth sensing for automatic detector construction and quality control
    Gabriela Hamilton
    10/01/2023, 17:40
    Particle Detectors and Instrumentations
    parallel

    The LHC at CERN will soon be upgraded to the high-luminosity LHC (HL-LHC) that will deliver larger scattering rates. Along with the increased data rate, the HL-LHC will produce a more challenging environment that current detectors used in CMS cannot cope with. To address this issue, a new calorimeter will be built and used to measure the energy of particles. The TTU HEP group is responsible...

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  5. 426. Results from muon reconstruction performance with ATLAS at Run-3
    William Axel Leight (University of Massachusetts Amherst)
    12/01/2023, 14:30
    Particle Detectors and Instrumentations
    parallel

    Muon reconstruction performance plays a crucial role in the precision and sensitivity of the Large Hadron Collider (LHC) data analysis of the ATLAS experiment. Using di-muon Resonances we are able to calibrate to per-mil accuracy the detector response for muons. Innovative techniques developed throughout the Run-2 period and during the collider's shut-down significantly improve the measurement...

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  6. 374. On the possibility of measuring the polarization of a 3He beam at EIC by the HJET polarimeter
    Andrei Poblaguev (Brookhaven National Laboratory (US))
    12/01/2023, 14:50
    Particle Detectors and Instrumentations
    parallel

    The requirements for hadron polarimetry at the future Electron Ion Collider (EIC) include measurements of the absolute helion (3He, ℎ) beam polarization with systematic uncertainties better than 𝜎syst𝑃/𝑃≤1%. Here, we consider a possibility to utilize the Polarized Atomic Hydrogen Gas Jet Target (HJET) for precision measurement of polarization of the ∼100\,GeV/n helion beam. HJET, which serves...

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  7. 375. Double-Target for Nuclear Medium Hadronization studies with CLASI2 at JLab
    Sebastian Andres Galvez Diaz (UTFSM)
    12/01/2023, 15:10
    Particle Detectors and Instrumentations
    parallel

    In 2003, an experiment with a Double-Target (liquid deuterium and solid target simultaneously exposed to an electron beam) dedicated to better understanding the hadronization process in a nuclear medium was conducted in the CLAS spectrometer in Jefferson Lab's Hall B. To detect a wider variety of higher energy hadrons with higher luminosity at the upgraded CLAS12, a new experiment will be...

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  8. 376. Improving ATLAS Hadronic Object Performance with ML/Al Algorithms
    Reina Coromoto Camacho Toro (LPNHE-Paris CNRS/IN2P3)
    12/01/2023, 15:30
    Particle Detectors and Instrumentations
    parallel

    Hadronic object reconstruction is one of the most promising settings for cutting-edge machine learning and artificial intelligence algorithms at the LHC. In this contribution, selected highlights of ML/AI applications by ATLAS to particle and boosted-object identification, MET reconstruction and other tasks will be presented.

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