High-Luminosity LHC

E12516

The High-Luminosity LHC is a major upgrade of CERN’s Large Hadron Collider designed to significantly increase its collision rate and data output for more precise and rare particle physics measurements.


Statements (67)
Predicate Object
instanceOf High Luminosity Large Hadron Collider
particle accelerator upgrade project
scientific research infrastructure
alsoKnownAs HL-LHC
HiLumi LHC
approvedBy CERN Council
approvedYear 2016
basedOn Large Hadron Collider
collisionType proton–proton collisions
constructionStart mid-2010s
country France
Switzerland
designEnergy 14 TeV center-of-mass energy for proton–proton collisions
enables high-precision Higgs coupling measurements
high-statistics studies of heavy-ion collisions
improved measurements of vector boson scattering
searches for very rare Higgs decays
fundedBy CERN Member States
international partners
hasComponent crab cavity systems near ATLAS and CMS
enhanced beam instrumentation
improved collimation regions
long straight sections upgrades
new inner triplet quadrupole magnets near interaction points
upgraded injector chain interfaces
hasGoal enable more precise measurements in particle physics
extend discovery potential beyond original LHC design
improve sensitivity to rare processes
increase luminosity of the LHC
integratedLuminosityTarget about 3000 fb−1
up to about 4000 fb−1 with possible extensions
locatedAt CERN
locatedIn France
Geneva region
Meyrin
Switzerland
luminosityIncreaseFactor about 5 to 7 times nominal LHC luminosity
operator CERN
partOf CERN accelerator complex
partOfProgram European Strategy for Particle Physics
plannedStartOfOperation around 2029
late 2020s
projectStart around 2011
requires major upgrades of ATLAS detector
major upgrades of CMS detector
upgrades of LHCb and ALICE detectors
riskFactor increased radiation levels in detectors and accelerator components
scientificObjective detailed studies of top quark properties
improved measurements of Standard Model parameters
precision study of the Higgs boson
search for new particles and interactions
search for physics beyond the Standard Model
study of rare decays and rare processes
successorOf LHC Phase-1 upgrades
upgrades Large Hadron Collider
usesDetector ALICE
ATLAS
CMS
LHCb
usesTechnology Nb3Sn superconducting magnets
advanced collimation systems
crab cavities
high-bandwidth data acquisition systems
high-field superconducting quadrupole magnets
radiation-hard electronics
upgraded cryogenic systems
website https://hilumilhc.web.cern.ch

Referenced by (12)
Subject (surface form when different) Predicate
LIU ("High-Luminosity LHC upgrade")
LIU project
LIU project ("LHC consolidation program")
relatedProject
High-Luminosity LHC ("HiLumi LHC")
High-Luminosity LHC ("HL-LHC")
alsoKnownAs
LHC Injectors Upgrade ("High-Luminosity LHC program")
LIU project ("High-Luminosity LHC program")
partOf
LIU project ("High-Luminosity LHC operation")
benefits
LHC Run 3
preparationFor
LIU
supportsProject
LHC injector chain ("High‑Luminosity LHC")
upgradedFor
Large Hadron Collider
upgradeProgram

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