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crystal ball
New measurement of the η → π0γγ branching ratio and the slope parameter for η → 3π0 decay with the crystal ball
      
The η decay into neutrals was detected with the Crystal Ball multiphoton spectrometer.
      
Measurement of the total and differential cross sections for the reaction π-p → ηn with the Crystal Ball detector
      
The first results obtained in 1998 by the Crystal Ball collaboration from a measurement of the total and differential cross sections for the reaction π-p → ηn are presented.
      
The experimental results obtained with the Crystal Ball detector for the physics of η-meson decays are reviewed.
      
Particle-γ coincidence techniques using the Heidelberg-Darmstadt Crystal Ball were employed to select excited states of reaction products.
      
Search for a transient electric field gradient in the system90Zr→148Nd with the crystal ball spectrometer
      
Theγ-ray spectrum of252Cf(sf) was measured in the Darmstadt-Heidelberg Crystal Ball spectrometer, with a double ionization chamber mounted inside to detect the fission fragments.
      
In-beam Coulomb excitation of the exotic odd-odd nucleus 180Ta has been studied by using a 136Xe beam and a setup consisting of five EUROBALL CLUSTER detectors and the Darmstadt-Heidelberg Crystal Ball array.
      
Finally, when the Crystal Ball is used as an energy and γ multiplicity filter, signals of decay into the K = 0 band are observed.
      
Particle-γ coincidence techniques using 5 Euroball Cluster detectors (EB), combined in a set-up with the Heidelberg-Darmstadt NaI Crystal Ball (CB), have been used.
      
The experimental apparatus consists of the famous Crystal Ball together with TAPS detector as a forward wall, and a central tracker.
      
The different detector setups, like DAPHNE, TAPS and the Crystal Ball are centered around the tagged photon facility the so-called Glasgow Tagger.
      
Based on experimental results from CESR and from SLAC's crystal ball, charmonium (cc) and upsilon (bb) systems are analysed, by using a phenomenological confinement approach.
      
We predict a mass value formηc close to the one obtained by the Crystal Ball experiment at SLAC.
      
The effect on the models of the Crystal Ball measurement of BR (ι→γη')/BR(ι→γη) is studied and the ratio is found to depend strongly on the mass of the strange quark: the consequences of this are considered.
      
Using the Crystal Ball detector operating at the DORIS II storage ring we have measured the leptonic partial widthsГee of the Υ(1S) and Υ(2S) resonances.
      
The ideas about the nature of thea0(980) meson which appeared after the Crystal Ball measurement of the two-photon production of thea0 meson are discussed briefly.
      
The Crystal Ball Collaboration has measured the energy spectrum of electrons from semileptonicB meson decays at thee+e- storage ring DORIS II.
      
The production ofJ/ψ inB meson decays has been measured on the Γ(4S) resonance using the Crystal Ball detector at thee+e- storage ring DORIS II.
      
 

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