Physics Studies for ATLAS Upgrades

Most of the references below are to public notes in the ATL-PHYS-PUB series. A few relevant notes from the ATL-UPGRADE-PUB category are also included.

Public results post - ECFA HL-LHC 2016

• (2017-001) Study of the double Higgs production channel H(-> bb)H(→γ γ) with the ATLAS experiment at the HL-LHC
• (2017-002) Study on the prospects of a ttbar resonance search in events with one lepton at a High Luminosity LHC
• Flavour tagging performance for luminous region studies
• (2017-023) Studies on the impact of an extended Inner Detector tracker and a forward muon tagger on W±W± scattering in pp collisions at the High-Luminosity LHC with the ATLAS experiment

Public results ECFA HL-LHC 2016

• (2016-021) Prospect for a search for direct stau production in events with at least two hadronic taus and missing transverse momentum at the high luminosity LHC with the ATLAS Detector
• (2016-022) Prospects for a search for direct pair production of top squarks in scenarios with compressed mass spectra at the high luminosity LHC with the ATLAS Detector
• (2016-023) Prospects for Observing ttHH Production with the ATLAS Experiment at the HL-LHC
• (2016-024) Non-resonant hh-->bbbb projection study
• (2016-025) Expected Tracking Performance of the ATLAS Inner Tracker at the High-Luminosity LHC
• (2016-026) Expected performance for an upgraded ATLAS detector at High-Luminosity LHC
• Jet/EtMiss performance studies for the High-Luminosity LHC for ECFA 2016
• Jet/EtMiss plots for luminous region studies for ECFA 2016
• Study of HL-LHC luminous region scenarios

Public results pre-ECFA HL-LHC in 2016

• (2016-019) Expected sensitivity of ATLAS to FCNC top quark decays t→Zq and t→Hq at the High Luminosity LHC
• (2016-018) Measurement prospects for VBF H→WW(∗)→eνμν production with 3 ab−1 of HL-LHC pp-collisions
• (2016-008) Prospective results for vector-boson fusion-mediated Higgs-boson searches in the four lepton final state at the High Luminosity Large Hadron Collider PUB Note

Public results in 2015

• ATLAS Scoping Document
• (2015-046) Higgs Pair Production in the H (→ τ τ) H (→ b b) channel at the High-Luminosity LHC
• (2015-043) Search for the Standard Model Higgs and Z Boson decays to J/ψγ: HL-LHC projections
• (2015-032) Search for charginos and neutralinos via Higgs decay in the 1Lbb final state
• (2015-024) Off-shell Higgs boson couplings measurement using H → ZZ → 4l events at High Luminosity LHC
• (2015-004) Dijet resonance searches with the ATLAS detector at 14 TeV LHC
• Public plots from Higgs acceptance studies for the Large Eta Task Force

Studies for the ECFA HL-LHC workshop, Aix-les-Bains 2014

• (2014-019) Prospects for measuring Higgs pair production in the channel H → γ γ H → bb using the ATLAS detector at the HL-LHC
• (2014-018) Studies of the VBF H → τlτhad analysis at High Luminosity LHC conditions
• (2014-017) Prospects for New Physics in Higgs Couplings Studies with the ATLAS Detector at the HL-LHC
• (2014-016) Projections for measurements of Higgs boson signal strengths and coupling parameters with the ATLAS detector at the HL-LHC
• Muon Momentum Resolution at high eta (Plots)
• Primary Vertex and b-Tagging Performance under HL-LHC conditions (Plots)
• Pile-up suppression at very high luminosity (Plots)
• Jet substructure at very high luminosity (Plots)
• Jet substructure at very high luminosity for extended tracker (Plots)
• Studies of Higgs acceptance for extended tracker (Plots)
• ITK Initial Design Review (Plots)

Previous 2014 Results

• (2014-012) HL-LHC projections for signal and background yield measurements of the Higgs boson production in association with t quarks, W or Z bosons, in the diphoton decay channel
• (2014-011) A study of Standard Model Higgs boson production in the decay mode H -> bb in association with a W or Z boson for High Luminosity LHC Running
• (2014-010) Search for Supersymmetry at the high luminosity LHC with the ATLAS experiment
• (2014-007) Sensitivity to WIMP Dark Matter in the Monojet plus Missing Transverse Energy Final States with the ATLAS Detector at a High-Luminosity LHC
• (2014-006) Update of the prospects for the H → Zγ search at the High-Luminosity LHC
• AFP (ATLAS Forward Protons) performance plots

Studies for the ECFA HL-LHC workshop, Aix-les-Bains 2013

• (2013-016) Beyond-the-Standard-Model Higgs boson searches at a High-Luminosity LHC with ATLAS
• (2013-015) Sensitivity to New Phenomena via Higgs Couplings with the ATLAS Detector at a High-Luminosity LHC
• (2013-014) Projections for measurements of Higgs boson cross sections, branching ratios and coupling parameters with the ATLAS detector at a HL-LHC
• (2013-013) Prospects for measurements of the HZZ vertex tensor structure in H → ZZ* → 4l decay channel with ATLAS
• (2013-012) Sensitivity of ATLAS at HL-LHC to flavour changing neutral currents in top quark decays t → cH, with H → γγ
• (2013-011) Prospects for benchmark Supersymmetry searches at the high luminosity LHC with the ATLAS Detector
• (2013-010) ATLAS B-physics studies at increased LHC luminosity, potential for CP-violation measurement in the Bs → J/ψ ϕ decay
• (2013-009) Performance assumptions based on full simulation of an upgraded ATLAS detector at a High-Luminosity LHC
• (ATL-UPGRADE-PUB-2013-014) Expected pileup values at the HL-LHC

Studies for Snowmass on the Mississippi 2013

• (2013-007) Physics at a High-Luminosity LHC with ATLAS (ATLAS White Paper)
• (2013-006) Studies of vector boson scattering and triboson production with an upgraded ATLAS detector at a High-Luminosity LHC

Studies for the Update of the European Strategy for Particle Physics 2012

Public notes documenting ATLAS physics studies for future LHC operation input to the European Strategy for Particle Physics Open Symposium, additional updates submitted to the Strategy Group, and notes giving further details of specific analyses.

• (2013-004) Performance assumptions for an upgraded ATLAS detector at a High Luminosity LHC
• (2013-003) Studies of Sensitivity to New Dilepton and Ditop Resonances with an Upgraded ATLAS Detector at a High-Luminosity LHC
• (2013-002) Searches for Supersymmetry at the high luminosity LHC with the ATLAS Detector ( The results in this note are superseded by ATL-PHYS-PUB-2013-011, ATL-PHYS-PUB-2014-010 )
• (ATL-UPGRADE-PUB-2013-001) Tracking Performance of the Proposed Inner Tracker Layout for the ATLAS Phase-II Upgrade
• (2012-005) Studies of Vector Boson Scattering with an Upgraded ATLAS Detector at a High-Luminosity LHC
• (2012-004) Physics at a High-Luminosity LHC with ATLAS (Update)
• (2012-002) Future of the ATLAS Heavy Ion Program
• (2012-001) Physics at a High-Luminosity LHC with ATLAS

LoIs, TDRs and other notes

Upgrade Physics and Performance studies are released as ATLAS PUB notes. The full list (including other physics studies) is available here:

• Physics PUB notes

General ATLAS Detector Upgrade documents preceeding TDRs

• ATLAS Phase-II LoI

• ATLAS Scoping Document

Many more physics studies are included in Letters of Intent or Technical Design Reports

• LoIs and TDRs

ATLAS Upgrade Detector TDRs:

• Strip TDR

• Muon TDR

• LAr TDR

• Tile TDR

• Pixel TDR

• TDAQ TDR

Responsible:
Subject: public