Search for Light Long-Lived Particles in Formula Presented Collisions at Formula Presented Using Displaced Vertices in the ATLAS Inner Detector

ATLAS Collaboration

doi:10.1103/PhysRevLett.133.161803

Search for Light Long-Lived Particles in Formula Presented Collisions at Formula Presented Using Displaced Vertices in the ATLAS Inner Detector

ATLAS Collaboration

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1 Citation (Scopus)

Abstract

A search for long-lived particles (LLPs) using Formula Presented of Formula Presented collision data with Formula Presented recorded by the ATLAS experiment at the LHC is presented. The search targets LLPs with masses between 5 and 55 GeV that decay hadronically in the ATLAS inner detector. Benchmark models with LLP pair production from exotic decays of the Higgs boson and models featuring long-lived axionlike particles (ALPs) are considered. No significant excess above the expected background is observed. Upper limits are placed on the branching ratio of the Higgs boson to pairs of LLPs, the cross section for ALPs produced in association with a vector boson, and, for the first time, on the branching ratio of the top quark to an ALP and a Formula Presented quark.

Original language	English
Article number	161803
Journal	Physical Review Letters
Volume	133
Issue number	16
DOIs	https://doi.org/10.1103/PhysRevLett.133.161803
Publication status	Published - 18 Oct 2024

ASJC Scopus subject areas

General Physics and Astronomy

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10.1103/PhysRevLett.133.161803

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@article{cc15860327fc43b580f1b9194c1aef01,

title = "Search for Light Long-Lived Particles in Formula Presented Collisions at Formula Presented Using Displaced Vertices in the ATLAS Inner Detector",

abstract = "A search for long-lived particles (LLPs) using Formula Presented of Formula Presented collision data with Formula Presented recorded by the ATLAS experiment at the LHC is presented. The search targets LLPs with masses between 5 and 55 GeV that decay hadronically in the ATLAS inner detector. Benchmark models with LLP pair production from exotic decays of the Higgs boson and models featuring long-lived axionlike particles (ALPs) are considered. No significant excess above the expected background is observed. Upper limits are placed on the branching ratio of the Higgs boson to pairs of LLPs, the cross section for ALPs produced in association with a vector boson, and, for the first time, on the branching ratio of the top quark to an ALP and a Formula Presented quark.",

author = "\{ATLAS Collaboration\} and Filmer, \{E. K.\} and Grant, \{C. M.\} and Green, \{M. J.\} and P. Jackson and Kong, \{A. X.Y.\} and Pandya, \{H. D.\} and Ruggeri, \{T. A.\} and S. Saha and Ting, \{E. X.L.\} and White, \{M. J.\} and Gingrich, \{D. M.\} and Lindon, \{J. H.\} and N. Nishu and Pinfold, \{J. L.\} and O. Cakir and Canbay, \{A. C.\} and Yildiz, \{H. Duran\} and S. Kuday and \{Turk Cakir\}, I. and S. Sultansoy and \{Adam Bourdarios\}, C. and O. Arnaez and N. Berger and L. Boudet and N. Brahimi and Castillo, \{F. L.\} and T. Cavaliere and F. Costanza and J. Couthures and M. Delmastro and \{Di Ciaccio\}, L. and T. Hryn{\textquoteright}ova and I. Koletsou and J. Lev{\^e}que and Lewis, \{D. J.\} and \{Lorenzo Martinez\}, N. and E. Sauvan and Z. Wu and G. Bernardi and M. Bomben and A. Li and T. Li and G. Marchiori and K. Nakkalil and Q. Shen and S. Chekanov and Hopkins, \{W. H.\} and J. Hoya and N. Govender and L. Truong",

note = "Publisher Copyright: {\textcopyright} 2024 CERN, for the ATLAS Collaboration.",

year = "2024",

month = oct,

day = "18",

doi = "10.1103/PhysRevLett.133.161803",

language = "English",

volume = "133",

journal = "Physical Review Letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "16",

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TY - JOUR

T1 - Search for Light Long-Lived Particles in Formula Presented Collisions at Formula Presented Using Displaced Vertices in the ATLAS Inner Detector

AU - ATLAS Collaboration

AU - Filmer, E. K.

AU - Grant, C. M.

AU - Green, M. J.

AU - Jackson, P.

AU - Kong, A. X.Y.

AU - Pandya, H. D.

AU - Ruggeri, T. A.

AU - Saha, S.

AU - Ting, E. X.L.

AU - White, M. J.

AU - Gingrich, D. M.

AU - Lindon, J. H.

AU - Nishu, N.

AU - Pinfold, J. L.

AU - Cakir, O.

AU - Canbay, A. C.

AU - Yildiz, H. Duran

AU - Kuday, S.

AU - Turk Cakir, I.

AU - Sultansoy, S.

AU - Adam Bourdarios, C.

AU - Arnaez, O.

AU - Berger, N.

AU - Boudet, L.

AU - Brahimi, N.

AU - Castillo, F. L.

AU - Cavaliere, T.

AU - Costanza, F.

AU - Couthures, J.

AU - Delmastro, M.

AU - Di Ciaccio, L.

AU - Hryn’ova, T.

AU - Koletsou, I.

AU - Levêque, J.

AU - Lewis, D. J.

AU - Lorenzo Martinez, N.

AU - Sauvan, E.

AU - Wu, Z.

AU - Bernardi, G.

AU - Bomben, M.

AU - Li, A.

AU - Li, T.

AU - Marchiori, G.

AU - Nakkalil, K.

AU - Shen, Q.

AU - Chekanov, S.

AU - Hopkins, W. H.

AU - Hoya, J.

AU - Govender, N.

AU - Truong, L.

PY - 2024/10/18

Y1 - 2024/10/18

N2 - A search for long-lived particles (LLPs) using Formula Presented of Formula Presented collision data with Formula Presented recorded by the ATLAS experiment at the LHC is presented. The search targets LLPs with masses between 5 and 55 GeV that decay hadronically in the ATLAS inner detector. Benchmark models with LLP pair production from exotic decays of the Higgs boson and models featuring long-lived axionlike particles (ALPs) are considered. No significant excess above the expected background is observed. Upper limits are placed on the branching ratio of the Higgs boson to pairs of LLPs, the cross section for ALPs produced in association with a vector boson, and, for the first time, on the branching ratio of the top quark to an ALP and a Formula Presented quark.

AB - A search for long-lived particles (LLPs) using Formula Presented of Formula Presented collision data with Formula Presented recorded by the ATLAS experiment at the LHC is presented. The search targets LLPs with masses between 5 and 55 GeV that decay hadronically in the ATLAS inner detector. Benchmark models with LLP pair production from exotic decays of the Higgs boson and models featuring long-lived axionlike particles (ALPs) are considered. No significant excess above the expected background is observed. Upper limits are placed on the branching ratio of the Higgs boson to pairs of LLPs, the cross section for ALPs produced in association with a vector boson, and, for the first time, on the branching ratio of the top quark to an ALP and a Formula Presented quark.

UR - https://www.scopus.com/pages/publications/85209936207

U2 - 10.1103/PhysRevLett.133.161803

DO - 10.1103/PhysRevLett.133.161803

M3 - Article

AN - SCOPUS:85209936207

SN - 0031-9007

VL - 133

JO - Physical Review Letters

JF - Physical Review Letters

IS - 16

M1 - 161803

ER -

Search for Light Long-Lived Particles in Formula Presented Collisions at Formula Presented Using Displaced Vertices in the ATLAS Inner Detector

Abstract

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