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gptkbp:instance_of
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gptkb:Accelerator
|
|
gptkbp:collaboration
|
gptkb:Ba_Bar_collaboration
international research community
SLAC and KEK
|
|
gptkbp:collection
|
over 500 fb^-1
|
|
gptkbp:colliding_beams
|
electron and positron
|
|
gptkbp:construction_started
|
gptkb:1996
gptkb:1999
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|
gptkbp:decommissioned
|
gptkb:2008
|
|
gptkbp:design
|
asymmetric energy collider
|
|
gptkbp:designed_for
|
B meson physics
|
|
gptkbp:field_of_study
|
high-energy physics
|
|
gptkbp:final_energy
|
3.1 Ge V for electrons and 9 Ge V for positrons
|
|
gptkbp:funding
|
gptkb:U._S._Department_of_Energy
|
|
gptkbp:has_field
|
superconducting magnets
|
|
gptkbp:has_luminosity
|
1.0 x 10^34 cm^-2 s^-1
up to 2.0 x 10^34 cm^-2 s^-1
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
PEP-II accelerator
|
|
gptkbp:influence
|
subsequent B-factory designs
|
|
gptkbp:legacy
|
contributions to the Standard Model
|
|
gptkbp:lighting
|
gptkb:1999
|
|
gptkbp:location
|
gptkb:SLAC_National_Accelerator_Laboratory
|
|
gptkbp:notable_achievement
|
discovery of new particles
|
|
gptkbp:notable_work
|
measurements of sin(2β)
|
|
gptkbp:number_of_beams
|
two
|
|
gptkbp:operated_by
|
gptkb:SLAC_National_Accelerator_Laboratory
|
|
gptkbp:operational_period
|
1999-2008
|
|
gptkbp:operational_since
|
gptkb:1999
|
|
gptkbp:power_source
|
3.1 Ge V
up to 9 Ge V
|
|
gptkbp:primary_use
|
investigate the properties of B mesons
|
|
gptkbp:purpose
|
study CP violation
|
|
gptkbp:ring_circumference
|
2.1 km
|
|
gptkbp:safety_features
|
advanced safety systems
|
|
gptkbp:sensor
|
gptkb:Ba_Bar
|
|
gptkbp:successor
|
gptkb:Super_KEKB
|
|
gptkbp:type
|
B-factory
|
|
gptkbp:upgrades
|
electron-positron collider
|
|
gptkbp:bfsParent
|
gptkb:Ba_Bar_detector
|
|
gptkbp:bfsLayer
|
8
|