Long-lived particles at the energy frontier: the MATHUSLA physics case

D Curtin, M Drewes, M McCullough… - Reports on progress …, 2019 - iopscience.iop.org
We examine the theoretical motivations for long-lived particle (LLP) signals at the LHC in a
comprehensive survey of standard model (SM) extensions. LLPs are a common prediction of …

Collider searches for long-lived particles beyond the Standard Model

L Lee, C Ohm, A Soffer, TT Yu - Progress in Particle and Nuclear Physics, 2019 - Elsevier
Despite decades of attempts to reveal its flaws, the Standard Model of particle physics (SM)
has withstood all experimental tests and its predictions are in excellent agreement with data …

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

G Aad, B Abbott, K Abeling, NJ Abicht, SH Abidi… - The European Physical …, 2023 - Springer
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) …

Searching for long-lived particles beyond the Standard Model at the Large Hadron Collider

J Alimena, J Beacham, M Borsato… - Journal of Physics G …, 2020 - iopscience.iop.org
Abstract Particles beyond the Standard Model (SM) can generically have lifetimes that are
long compared to SM particles at the weak scale. When produced at experiments such as …

Search for heavy neutral leptons in decays of W bosons produced in 13 TeV pp collisions using prompt and displaced signatures with the ATLAS detector

G Aad, B Abbott, DC Abbott, A Abed Abud… - Journal of high energy …, 2019 - Springer
A bstract The problems of neutrino masses, matter-antimatter asymmetry, and dark matter
could be successfully addressed by postulating right-handed neutrinos with Majorana …

Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in collisions with the ATLAS detector

M Aaboud, G Aad, B Abbott, O Abdinov, B Abeloos… - Physical review D, 2018 - APS
A search for long-lived, massive particles predicted by many theories beyond the Standard
Model is presented. The search targets final states with large missing transverse momentum …

New detectors to explore the lifetime frontier

JP Chou, D Curtin, HJ Lubatti - Physics Letters B, 2017 - Elsevier
Long-lived particles (LLPs) are a common feature in many beyond the Standard Model
theories, including supersymmetry, and are generically produced in exotic Higgs decays …

Search for long-lived, massive particles in events with displaced vertices and multiple jets in pp collisions at = 13 TeV with the ATLAS detector

G Aad, B Abbott, DC Abbott, K Abeling, SH Abidi… - Journal of High Energy …, 2023 - Springer
A bstract A search for long-lived particles decaying into hadrons is presented. The analysis
uses 139 fb− 1 of pp collision data collected at\(\sqrt {s}\)= 13 TeV by the ATLAS detector at …

Search for supersymmetry in events with four or more charged leptons in 139 fb−1 of = 13 TeV pp collisions with the ATLAS detector

G Aad, B Abbott, DC Abbott, A Abed Abud… - Journal of High Energy …, 2021 - Springer
A bstract A search for supersymmetry in events with four or more charged leptons (electrons,
muons and τ-leptons) is presented. The analysis uses a data sample corresponding to 139 …

Search for Displaced Leptons in Collisions with the ATLAS Detector

G Aad, B Abbott, DC Abbott, A Abed Abud, K Abeling… - Physical review …, 2021 - APS
A search for charged leptons with large impact parameters using 139 fb− 1 of s= 13 TeV pp
collision data from the ATLAS detector at the LHC is presented, addressing a long-standing …