Searching for long-lived particles beyond the Standard Model at the Large Hadron Collider
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 …
long compared to SM particles at the weak scale. When produced at experiments such as …
Evidence for light-by-light scattering and searches for axion-like particles in ultraperipheral PbPb collisions at sNN= 5.02 TeV
AM Sirunyan, A Tumasyan, W Adam, F Ambrogi… - Physics Letters B, 2019 - Elsevier
Evidence for the light-by-light scattering process, γ γ→ γ γ, in ultraperipheral PbPb collisions
at a centre-of-mass energy per nucleon pair of 5.02 TeV is reported. The analysis is …
at a centre-of-mass energy per nucleon pair of 5.02 TeV is reported. The analysis is …
Search for long-lived particles using displaced jets in proton-proton collisions at
AM Sirunyan, A Tumasyan, W Adam, F Ambrogi… - Physical Review D, 2021 - APS
An inclusive search is presented for long-lived particles using displaced jets. The search
uses a data sample collected with the CMS detector at the CERN LHC in 2017 and 2018 …
uses a data sample collected with the CMS detector at the CERN LHC in 2017 and 2018 …
The CMS Phase-1 pixel detector upgrade
W Adam, T Bergauer, D Blöch… - Journal of …, 2021 - iopscience.iop.org
The CMS experiment [1] at the CERN Large Hadron Collider (LHC) includes a silicon pixel
detector as the innermost part of the tracking system. The pixel detector provides 3 …
detector as the innermost part of the tracking system. The pixel detector provides 3 …
High quality QCD axion and the LHC
The QCD axion provides an elegant solution to the strong CP problem. While the minimal
realization is vulnerable to the so-called “axion quality problem,” we will consider a more …
realization is vulnerable to the so-called “axion quality problem,” we will consider a more …
Flavor identification of reconstructed hadronic jets
R Gauld, A Huss, G Stagnitto - Physical Review Letters, 2023 - APS
Identifying the flavor of reconstructed hadronic jets is critical for precision phenomenology
and the search for new physics at collider experiments, as it allows one to pinpoint specific …
and the search for new physics at collider experiments, as it allows one to pinpoint specific …
The CMS Phase-1 pixel detector upgrade
Tracker Group of the CMS Collaboration - arXiv preprint arXiv …, 2020 - arxiv.org
The CMS detector at the CERN LHC features a silicon pixel detector as its innermost
subdetector. The original CMS pixel detector has been replaced with an upgraded pixel …
subdetector. The original CMS pixel detector has been replaced with an upgraded pixel …
Neural networks for full phase-space reweighting and parameter tuning
A Andreassen, B Nachman - Physical Review D, 2020 - APS
Precise scientific analysis in collider-based particle physics is possible because of complex
simulations that connect fundamental theories to observable quantities. The significant …
simulations that connect fundamental theories to observable quantities. The significant …
Search for long-lived particles decaying to leptons with large impact parameter in proton-proton collisions at = 13 TeV
CMS collaboration - arXiv preprint arXiv:2110.04809, 2021 - arxiv.org
A search for new long-lived particles decaying to leptons using proton-proton collision data
produced by the CERN LHC at $\sqrt {s} $= 13 TeV is presented. Events are selected with …
produced by the CERN LHC at $\sqrt {s} $= 13 TeV is presented. Events are selected with …
Strategies and performance of the CMS silicon tracker alignment during LHC Run 2
CMS collaboration - Nuclear Instruments and Methods in Physics …, 2022 - Elsevier
The strategies for and the performance of the CMS silicon tracking system alignment during
the 2015–2018 data-taking period of the LHC are described. The alignment procedures …
the 2015–2018 data-taking period of the LHC are described. The alignment procedures …