Explanipedia

LHC EFT WG note: SMEFT predictions, event reweighting, and simulation Open

Alberto Belvedere, S. Bhattacharya, G. Boldrini, S. Chatterjee, A. Calandri , et al. · 2024

This note provides a comprehensive overview of tools for predicting observables in the Standard Model effective field theory (SMEFT) at both tree level and one loop using event generators. We evaluate three primary methodologies–event rewe…

LHC EFT WG Note: SMEFT predictions, event reweighting, and simulation Open

Alberto Belvedere, S. Bhattacharya, G. Boldrini, S. Chatterjee, A. Calandri , et al. · 2024

This note gives an overview of the tools for predicting expectations in the Standard Model effective field theory (SMEFT) at the tree level and one loop available through event generators. Methods of event reweighting, the separate simulat…

Ad interim recommendations for the Higgs boson production cross sections at $\sqrt{s} = 13.6$ TeV Open

Alexander Karlberg, Julie Malclès, Bernhard Mistlberger, R. Di Nardo, S. H. Abidi , et al. · 2024

This note documents predictions for the inclusive production cross sections of the Standard Model Higgs boson at the Large Hadron Collider at a centre of mass energy of 13.6 TeV. The predictions here are based on simple extrapolations of p…

Observation of electroweak production of Wγ with two jets in proton-proton collisions at √s = 13 TeV Open

Albert M. Sirunyan, M. Backhaus, P. Berger, A. Calandri, N. Chernyavskaya , et al. · 2020

Higgs physics at the HL-LHC and HE-LHC Open

M. Cepeda, Hua-Sheng Shao, G. Marchiori, Giuliano Panico, A. Benaglia , et al. · 2019

The discovery of the Higgs boson in 2012, by the ATLAS and CMS experiments, was a success achieved with only a percent of the entire dataset foreseen for the LHC. It opened a landscape of possibilities in the study of Higgs boson propertie…

Beyond the Standard Model Physics at the HL-LHC and HE-LHC Open

X. Cid Vidal, M. D’Onofrio, Patrick J. Fox, Riccardo Torre, Keith A Ulmer , et al. · 2018

This is the third out of five chapters of the final report [1] of the Workshop on Physics at HL-LHC, and perspectives on HE-LHC [2]. It is devoted to the study of the potential, in the search for Beyond the Standard Model (BSM) physics, of…

Top, Bottom and Charm Yukawa couplings at the HL-LHC Open

A. Calandri · 2018

International audience

Algorithmic improvements and calibration measurements for flavour tagging at the ATLAS experiment Open

M. Battaglia, A. Calandri · 2017

The identification of jets containing bottom or charm hadrons is crucial to the LHC physics program.Top-quark decays proceed almost exclusively through a $b$-quark. The Standard Model Higgs boson decays predominantly to $b\\bar{b}$ pairs. …

Review of Standard Model Higgs results at the ATLAS experiment Open

A. Calandri · 2017

The investigation of the mechanism of electroweak (EW) symmetry breaking has been one of the main goals of the ATLAS experiment [1] research program at the CERN Large Hadron Collider (LHC). In the Standard Model (SM) of particle physics, t…

Technical Design Report for the ATLAS Inner Tracker Pixel Detector Open

Nicolas Allemandou, Pierre Barroca, N. Berger, A. M. Burger, F. Costanza , et al. · 2017

This is the second of two Technical Design Report documents that describe the upgrade of the central tracking system for the ATLAS experiment for the operation at the High Luminosity LHC (HL-LHC) starting in the middle of 2026. At that tim…

Technical Design Report for the Phase-II Upgrade of the ATLAS TDAQ System Open

N. Berger, A. M. Burger, O. Dartsi, M. Delmastro, L. Di Ciaccio , et al. · 2017

This Technical Design Report documents the plans to upgrade the ATLAS Trigger and Data Acquisition system for the High Luminosity LHC (HL-LHC). The HL-LHC is expected to start operations in the middle of 2026, to ultimately reach a peak in…

Flavour tagging algorithms and performance at the ATLAS experiment Open

A. Calandri · 2016

The identification of jets containing $b$-hadrons ($b$-tagging) is a fundamental ingredient in the physics program of the ATLAS experiment. This proceeding presents the main $b$-tagging algorithms strategy employed for the 2016 LHC run.

Optimisation of the ATLAS $b$-tagging performance for the 2016 LHC Run Open

A. Calandri, R. Zaidan, V. Dao, Yulia Rodina, R. El Kosseifi , et al. · 2016

The performance of the current ATLAS $b$-tagging algorithms optimized ahead of the start of the 2016 Run-2 data taking is reported in this poster. The algorithms used to identify jets containing $b$-hadrons are briefly described and the im…

Properties of the Higgs boson in the 4 lepton final state at the LHC with the ATLAS experiment: mass, limits on the high mass contribution and on the total width Open

A. Calandri · 2015

The theme of the analyses presented in this Thesis is the measurement of the Higgs boson properties in the H$\\rightarrow$ZZ$\\rightarrow$4l decay channel with the ATLAS experiment at the LHC. A detailed overview on the electron calibratio…

Properties of the Higgs boson in the 4 leptons final state with the ATLAS experiment at the LHC : mass, limit on the high mass contribution and on the Higgs width Open

A. Calandri · 2015

The theme of the analyses presented in this Thesis is the measurement of the Higgs boson properties in the H→ZZ→4l decay channel with the ATLAS experiment at the LHC. A detailed overview on the electron calibration process is first present…

Propriétés du Boson de Higgs se désintégrant en 4 leptons au LHC dans l’expérience ATLAS : masse, limite sur la contribution à haute masse et sur la largeur Open

A. Calandri · 2015

The theme of the analyses presented in this Thesis is the measurement of the Higgs boson properties in the H→ZZ→4l decay channel with the ATLAS experiment at the LHC. A detailed overview on the electron calibration process is first present…

A. Calandri YOU? Author Swipe