Linac2

E13162

linear accelerator proton linear accelerator

Linac2 was CERN’s long-serving linear accelerator that pre-accelerated protons for injection into the Proton Synchrotron Booster and the rest of the accelerator complex before being superseded by Linac4.

Aliases (3)

Statements (45)

Predicate	Object
instanceOf	linear accelerator → proton linear accelerator →
acceleratorType	normal-conducting linac →
alsoKnownAs	CERN Linac 2 →
beamCurrent	about 180 mA →
commissioned	1978 →
constructionStart	1973 →
country	France → Switzerland →
decommissioned	2018 →
designedEnergy	50 MeV →
endOfOperation	2018 →
followedBy	Linac4 →
injectionEnergyToPSB	50 MeV →
injectionTarget	CERN Proton Synchrotron → Large Hadron Collider → Proton Synchrotron Booster → Super Proton Synchrotron →
length	approximately 36 m →
locatedInFacility	CERN Linear Accelerator complex →
location	CERN Meyrin site →
operator	CERN →
outputEnergy	50 MeV →
ownedBy	European Organization for Nuclear Research →
particleType	proton →
partOf	CERN accelerator complex → CERN injector chain →
precededBy	Linac1 →
repetitionRate	up to 2 Hz →
replacedComponent	Linac1 as main proton injector →
rfFrequency	202.56 MHz →
role	injector for CERN accelerator complex → pre-injector for Proton Synchrotron Booster →
scientificDiscipline	accelerator physics → particle physics →
shutdownReason	replacement by higher-energy Linac4 →
startOfOperation	1978 →
status	decommissioned →
successorEnergy	160 MeV (Linac4 output energy) →
supersededBy	Linac4 →
technology	drift-tube linac →
upgradeHistory	underwent several performance upgrades during operation →
usedFor	LHC proton beams → collider physics experiments → fixed-target physics experiments →

Referenced by (8)

Subject (surface form when different)	Predicate
Linac2 ("CERN Linac 2") →	alsoKnownAs
Proton Synchrotron Booster ("Linear Accelerator 2") →	fedBy
CERN accelerator complex →	hasPart
LHC injector chain ("LINAC2") →	includes
Linac1 →	predecessorOf
Linac4 →	replaces
LHC injector chain ("LINAC2") →	startPoint
Linac1 →	successor