0000000000160946

AUTHOR

T. Schietinger

showing 3 related works from this author

Study of Time-DependentCPAsymmetry in NeutralBDecays toJ/ψπ0

2003

We present the first study of the time-dependent CP-violating asymmetry in B0-->J/psi pi(0) decays using e(+)e(-) annihilation data collected with the BABAR detector at the Upsilon(4S) resonance during the years 1999-2002 at the PEP-II asymmetric-energy B Factory at SLAC. Using approximately 88 x 10(6) BB; pairs, our results for the coefficients of the cosine and sine terms of the CP asymmetry are C(J/psi pi(0))=0.38+/-0.41(stat)+/-0.09(syst) and S(J/psi pi(0))=0.05+/-0.49(stat)+/-0.16(syst).

PhysicsParticle physicsAnnihilation010308 nuclear & particles physicsmedia_common.quotation_subjectGeneral Physics and AstronomyResonanceAstrophysics::Cosmology and Extragalactic Astrophysics01 natural sciencesAsymmetryB-factoryNuclear physicsParticle decay0103 physical sciencesPiHigh Energy Physics::ExperimentAstrophysics::Earth and Planetary Astrophysics010306 general physicsmedia_commonPhysical Review Letters
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Observation of the DecayB±→π±π0, Study ofB±→K±π0, and Search forB0→π0π0

2003

We present results for the branching fractions and charge asymmetries in B+/--->h(+/-)pi(0) (where h(+/-)=pi(+/-),K+/-) and a search for the decay B0-->pi(0)pi(0) using a sample of approximately 88 x 10(6) BBmacr; pairs collected by the BABAR detector at the PEP-II asymmetric-energy B Factory at SLAC. We measure B(B+/--->pi(+/-)pi(0))=(5.5(+1.0)(-0.9)+/-0.6)x10(-6), where the first error is statistical and the second is systematic. The B+/--->pi(+/-)pi(0) signal has a significance of 7.7sigma including systematic uncertainties. We simultaneously measure the K+/-pi(0) branching fraction to be B(B+/--->K+/-pi(0))=(12.8(+1.2)(-1.1)+/-1.0)x10(-6). The charge asymmetries are Api(+/-)(pi(0))=-0.0…

PhysicsMeson010308 nuclear & particles physicsBranching fractionElectron–positron annihilationHadronAnalytical chemistryGeneral Physics and Astronomy01 natural sciencesParticle decayTheoretical physicsPion0103 physical sciencesPiB meson010306 general physicsPhysical Review Letters
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The BaBar detector: Upgrades, operation and performance

2013

The BABAR detector operated successfully at the PEP-Il asymmetric e(+) e(-) collider at the SLAC National Accelerator Laboratory from 1999 to 2008. This report covers upgrades, operation, and performance of the collider and the detector systems, as well as the trigger, online and offline computing, and aspects of event reconstruction since the beginning of data taking.

Online and offlinePhysics - Instrumentation and DetectorsGeneral-purpose detector for colliding beamPhysics::Instrumentation and DetectorsBABARSettore ING-INF/01 - Elettronica01 natural sciences/dk/atira/pure/sustainabledevelopmentgoals/clean_water_and_sanitationlaw.inventionHigh Energy Physics - ExperimentHigh Energy Physics - Experiment (hep-ex)lawBeam monitoringPEP2[PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex]Ream monitoringInstrumentationQCEvent reconstructionPhysicsoperational experience; high-luminosity storage ring operation; beam monitoring; general-purpose detector for colliding beamsGeneral-purpose detector for colliding beamsDetectorElectrical engineeringInstrumentation and Detectors (physics.ins-det)upgrade [detector]:Mathematics and natural scienses: 400::Physics: 430::Nuclear and elementary particle physics: 431 [VDP]Beam monitoring; General-purpose detector for colliding beams; High-luminosity storage ring operation; Operational experience; Nuclear and High Energy Physics; InstrumentationPARTICLE PHYSICSFísica nuclearPARTICLE PHYSICS;PEP2;BABARSDG 6 - Clean Water and SanitationperformanceNuclear and High Energy PhysicsFOS: Physical sciencesNuclear physics0103 physical sciencesddc:530[PHYS.PHYS.PHYS-INS-DET]Physics [physics]/Physics [physics]/Instrumentation and Detectors [physics.ins-det]010306 general physicsCollideractivity report010308 nuclear & particles physicsbusiness.industryHigh-luminosity storage ring operation:Matematikk og naturvitenskap: 400::Fysikk: 430::Kjerne- og elementærpartikkelfysikk: 431 [VDP]Operational experienceExperimental High Energy PhysicsBaBarPhysics::Accelerator PhysicsHigh Energy Physics::Experimentbusiness
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