Recent Results from Experiments at COSY
- Institutfuer Kernphysik and Juelich Centre for Hadron Physics, Forschungszentrum Juelich, D-52425 Juelich (Germany)
In hadron physics, experiments using hadronic probes may shed light on open questions on the structure of hadrons, their interactions that are subject to the strong force and on the symmetries of nature. Therefore a major focus of the physics program studied at the COoler SYnchrotron COSY of the Forschungszentrum Juelich is the production of mesons and hyperons in hadron- hadron scattering with the aim to investigate relevant production processes, interactions of the participating particles as well as symmetries and symmetry breaking. The COoler SYnchrotron COSY at Juelich accelerates protons and deuterons with momenta up to 3.7 GeV/c covering hadron physics in the light quark sector. The availability of the beam cooling systems allow precision measurements, using polarized proton and deuteron beams in combination with polarized Hydrogen or Deuterium targets. Due to the excellent experimental conditions at COSY single- and double-polarization measurements can be performed with high reaction rates. With the operation of the recently installed WASA-at-COSY apparatus, high-statistics studies aiming at rare decays of {eta} and {eta}{sup '} are effectively turning COSY into a meson factory. This contribution summarizes the ongoing physics program at the COSY facility, using the detector systems ANKE, WASA and COSY-TOF highlighting a few selective recent results and outlining future developments. The research at COSY also provides a step towards the realization of FAIR with studies on spin manipulation and polarization build-up of protons in polarized targets.
- OSTI ID:
- 21426382
- Journal Information:
- AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 1257; ISSN APCPCS; ISSN 0094-243X
- Country of Publication:
- United States
- Language:
- English
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ACCELERATORS
ANGULAR MOMENTUM
BARYON-BARYON INTERACTIONS
BASIC INTERACTIONS
BEAMS
BOSONS
COSY STORAGE RING
CYCLIC ACCELERATORS
D QUARKS
DECAY
DEUTERIUM TARGET
DEUTERON BEAMS
ELEMENTARY PARTICLES
ENERGY RANGE
ETA MESONS
FERMIONS
GEV RANGE
HADRON-HADRON INTERACTIONS
HADRONS
INTERACTIONS
ION BEAMS
KINETICS
MEASURING INSTRUMENTS
MESONS
MULTIPARTICLE SPECTROMETERS
NUCLEAR REACTION KINETICS
NUCLEON-NUCLEON INTERACTIONS
PARTICLE DECAY
PARTICLE IDENTIFICATION
PARTICLE INTERACTIONS
PARTICLE PRODUCTION
PARTICLE PROPERTIES
POLARIZATION
POLARIZED BEAMS
POLARIZED TARGETS
PSEUDOSCALAR MESONS
QUARKS
REACTION KINETICS
SPECTROMETERS
SPIN
STORAGE RINGS
STRONG INTERACTIONS
SYMMETRY BREAKING
SYNCHROTRONS
TARGETS
U QUARKS