Performance of the reconstruction of large impact parameter tracks in the inner detector of ATLAS

Georges Aad; Braden Keim Abbott; Kira Abeling; Nils Julius Abicht; Haider Abidi; Asmaa Aboulhorma; Halina Abramowicz; Henso Abreu; Yiming Abulaiti; Angel Abusleme; Bobby Samir Acharya; Claire Adam Bourdarios; Leszek Adamczyk; Lukas Adamek; Sagar Addepalli; Matt Addison; Jahred Adelman; Aytul Adiguzel; Tim Adye; Tony Affolder; Yoav Afik; Merve Nazlim Agaras; Jinky Agarwala; Anamika Aggarwal; Catalin Agheorghiesei; Ammara Ahmad; Faig Ahmadov; Waleed Syed Ahmed; Sudha Ahuja; Xiaocong Ai; Giulio Aielli; Malak Ait Tamlihat; Brahim Aitbenchikh; Iakov Aizenberg; Melike Akbiyik; Torsten Akesson; Andrei Akimov; Daiya Akiyama; Nilima Nilesh Akolkar; Konie Al Khoury; Gian Luigi Alberghi; Justin Albert; Pietro Albicocco; Guillaume Lucas Albouy; Sara Alderweireldt; Martin Aleksa; Igor Alexandrov; Calin Alexa; Theodoros Alexopoulos; Alice Alfonsi; Fabrizio Alfonsi; Malte Algren; Muhammad Alhroob; Babar Ali; Hanadi Ali; Shahzad Ali; Samuel William Alibocus; Malik Aliev; Gianluca Alimonti; Wael Alkakhi; Corentin Allaire; Benedict Allbrooke; Julia Frances Allen; Cristian Andres Allendes Flores; Philip Patrick Allport; Alberto Aloisio; Francisco Alonso; Cristiano Alpigiani; Manuel Alvarez Estevez; Adrian Alvarez Fernandez; Mario Alves Cardoso; Mariagrazia Alviggi; Mohamed Aly; Yara Do Amaral Coutinho; Alessandro Ambler; Christoph Amelung; Maximilian Amerl; Christoph Ames; Dante Amidei; Susana Patricia Amor dos Santos; Kieran Robert Amos; Viktor Ananiev; Christos Anastopoulos; Timothy Robert Andeen; John Kenneth Anders; Stefio Yosse Andrean; Attilio Andreazza; Stylianos Angelidakis; Aaron Angerami; Alexey Anisenkov; Alberto Annovi; Claire Antel; Matthew Thomas Anthony; Egor Antipov; Mario Antonelli; Daniel Joseph Antrim; Fabio Anulli; Masato Aoki; Takumi Aoki; Javier Alberto Aparisi Pozo; ATLAS Collaboration; Yuan-Tang Chou

doi:10.1140/epjc/s10052-023-12024-6

Performance of the reconstruction of large impact parameter tracks in the inner detector of ATLAS

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Performance of the reconstruction of large impact parameter tracks in the inner detector of ATLAS

Georges Aad, Braden Keim Abbott, Kira Abeling, Nils Julius Abicht, Haider Abidi, Asmaa Aboulhorma, Halina Abramowicz, Henso Abreu, Yiming Abulaiti, Angel Abusleme, …

Eur.Phys.J.C, 卷.83(11), 頁.1081

01/11/2023

DOI: https://doi.org/10.1140/epjc/s10052-023-12024-6

Web of Science ID: WOS:001144517400001

摘要

High Energy Physics - Experiment

Physics

Searches for long-lived particles (LLPs) are among the most promising avenues for discovering physics beyond the Standard Model at the Large Hadron Collider (LHC). However, displaced signatures are notoriously difficult to identify due to their ability to evade standard object reconstruction strategies. In particular, the default ATLAS track reconstruction applies strict pointing requirements which limit sensitivity to charged particles originating far from the primary interaction point. To recover efficiency for LLPs decaying within the tracking detector volume, the ATLAS Collaboration employs a dedicated large-radius tracking (LRT) pass with loosened pointing requirements. During Run 2 of the LHC, the LRT implementation produced many incorrectly reconstructed tracks and was therefore only deployed in small subsets of events. In preparation for LHC Run 3, ATLAS has significantly improved both standard and large-radius track reconstruction performance, allowing for LRT to run in all events. This development greatly expands the potential phase-space of LLP searches and streamlines LLP analysis workflows. This paper will highlight the above achievement and report on the readiness of the ATLAS detector for track-based LLP searches in Run 3.

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題名: Performance of the reconstruction of large impact parameter tracks in the inner detector of ATLAS
創作者：: Georges Aad - Centre National de la Recherche Scientifique
Braden Keim Abbott - University of Oklahoma
Kira Abeling - University of Göttingen
Nils Julius Abicht - TU Dortmund University
Haider Abidi
Asmaa Aboulhorma - Mohammed V University
Halina Abramowicz - Tel Aviv University
Henso Abreu - Technion – Israel Institute of Technology
Yiming Abulaiti - New York University
Angel Abusleme
Bobby Samir Acharya - Istituto Nazionale di Fisica Nucleare, Sezione di Trieste
Claire Adam Bourdarios - Laboratoire d’Annecy de Physique des Particules
Leszek Adamczyk - Jagiellonian University
Lukas Adamek - University of Toronto
Sagar Addepalli - Brandeis University
Matt Addison - University of Manchester
Jahred Adelman - Northern Illinois University
Aytul Adiguzel
Tim Adye - Rutherford Appleton Laboratory
Tony Affolder
Yoav Afik - European Organization for Nuclear Research
Merve Nazlim Agaras - Institute for High Energy Physics
Jinky Agarwala - Istituto Nazionale di Fisica Nucleare, Sezione di Pavia
Anamika Aggarwal - Johannes Gutenberg University Mainz
Catalin Agheorghiesei - Alexandru Ioan Cuza University
Ammara Ahmad - European Organization for Nuclear Research
Faig Ahmadov - European Organization for Nuclear Research
Waleed Syed Ahmed - McGill University
Sudha Ahuja - Royal Holloway University of London
Xiaocong Ai - University of Science and Technology of China
Giulio Aielli - Istituto Nazionale di Fisica Nucleare, Roma Tor Vergata
Malak Ait Tamlihat
Brahim Aitbenchikh - University of Hassan II Casablanca
Iakov Aizenberg - Weizmann Institute of Science
Melike Akbiyik - Johannes Gutenberg University Mainz
Torsten Akesson
Andrei Akimov - European Organization for Nuclear Research
Daiya Akiyama - Waseda University
Nilima Nilesh Akolkar - University of Bonn
Konie Al Khoury - Columbia University
Gian Luigi Alberghi - Istituto Nazionale di Fisica Nucleare, Sezione di Bologna
Justin Albert - University of Victoria
Pietro Albicocco - Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Frascati
Guillaume Lucas Albouy - Institut polytechnique de Grenoble
Sara Alderweireldt - University of Edinburgh
Martin Aleksa - European Organization for Nuclear Research
Igor Alexandrov
Calin Alexa - Horia Hulubei National Institute for R and D in Physics and Nuclear Engineering
Theodoros Alexopoulos - National Technical University of Athens
Alice Alfonsi - Istituto Nazionale di Fisica Nucleare, Sezione di Bologna
Fabrizio Alfonsi - Istituto Nazionale di Fisica Nucleare, Sezione di Bologna
Malte Algren - University of Geneva
Muhammad Alhroob - University of Oklahoma
Babar Ali - National Technical University of Athens
Hanadi Ali
Shahzad Ali - National Technical University of Athens
Samuel William Alibocus - University of Liverpool
Malik Aliev - European Organization for Nuclear Research
Gianluca Alimonti - Istituto Nazionale di Fisica Nucleare, Sezione di Milano
Wael Alkakhi - University of Göttingen
Corentin Allaire - Centre National de la Recherche Scientifique
Benedict Allbrooke
Julia Frances Allen - University of Edinburgh
Cristian Andres Allendes Flores
Philip Patrick Allport - University of Birmingham
Alberto Aloisio - Istituto Nazionale di Fisica Nucleare, Sezione di Napoli
Francisco Alonso - Consejo Nacional de Investigaciones Científicas y Técnicas
Cristiano Alpigiani - University of Washington
Manuel Alvarez Estevez
Adrian Alvarez Fernandez
Mario Alves Cardoso
Mariagrazia Alviggi - Istituto Nazionale di Fisica Nucleare, Sezione di Napoli
Mohamed Aly - European Organization for Nuclear Research
Yara Do Amaral Coutinho
Alessandro Ambler - McGill University
Christoph Amelung - European Organization for Nuclear Research
Maximilian Amerl - Istituto Nazionale di Fisica Nucleare, Sezione di Napoli
Christoph Ames - Ludwig-Maximilians-Universität München
Dante Amidei - University of Michigan
Susana Patricia Amor dos Santos
Kieran Robert Amos - Universitat de València
Viktor Ananiev - University of Oslo
Christos Anastopoulos - University of Sheffield
Timothy Robert Andeen - The University of Texas at Austin
John Kenneth Anders - European Organization for Nuclear Research
Stefio Yosse Andrean - Stockholm University
Attilio Andreazza - Istituto Nazionale di Fisica Nucleare, Sezione di Milano
Stylianos Angelidakis - National and Kapodistrian University of Athens
Aaron Angerami - Columbia University
Alexey Anisenkov - European Organization for Nuclear Research
Alberto Annovi - Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
Claire Antel - University of Geneva
Matthew Thomas Anthony - University of Sheffield
Egor Antipov - Stony Brook University
Mario Antonelli - Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Frascati
Daniel Joseph Antrim - Lawrence Berkeley National Laboratory
Fabio Anulli - Istituto Nazionale di Fisica Nucleare, Sezione di Roma I
Masato Aoki - High Energy Accelerator Research Organization
Takumi Aoki - The University of Tokyo
Javier Alberto Aparisi Pozo
ATLAS Collaboration
Yuan-Tang Chou
學術資源類型: 期刊文章
出版日期: 01/11/2023
出版資訊: Eur.Phys.J.C, 卷.83(11), 頁.1081
語言: 英語

Performance of the reconstruction of large impact parameter tracks in the inner detector of ATLAS

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