PIBETA Experiment: 1999 Analysis
Progress Report
1. FASTBUS Timing Scale
1.(a) Pibeta Trigger t=0 Point
CsI Prompt Gamma t=0 Point.
1.(b) Pibeta Trigger Timing Scale
CsI Prompt Gamma Timing Scale.
1.(c) pienu Trigger t=0 Point
CsI Prompt Positron t=0 Point.
2. pi->enu Events at 0.80E6 pi+/s
2.(a) pi->enu Energy Spectrum
Background-Subtracted pi->enu Energy Spectrum: Nearest-Neighbor Energy Sum.
2.(b) pi->enu Timing Spectrum
Background-Subtracted pi->enu Timing Spectrum.
3. mu->enunu Events at 0.80E6 pi+/s
3.(a) mu->enunu Energy Spectrum
mu->enunu Energy Spectrum: Nearest-Neighbor Energy Sum.
3.(b) Background-Subtracted mu->enunu Timing Spectrum
Background-Subtracted mu->enunu Timing Spectrum.
4. PiBeta Events at 0.80E6 pi+/s
4.(a) PiBeta Energy and Timing Spectra
pi->pi0enu Events: CsI Energy Spectrum.
pi->pi0enu Events: CsI Timing Spectrum.
pi->pi0enu Events: CsI gamma-gamma Opening Angle.
4.(b) PiBeta Preliminary Decay Rate (1/4 Fall 1999 Data Set)
pi->pi0enu Events: Preliminary BR Normalized to PiStops.
5. pi->enug Events at 0.80E6 pi+/s
5.(a) pi->enug Energy and Timing Spectra
pi->enug Events: CsI Energy Spectrum.
pi->enug Events: CsI Timing Spectrum.
pi->enug Events: CsI e-gamma Opening Angle.
pi->enug Events: Signal vs Accidental Background.
6. mu->enunug Events at 0.80E6 pi+/s
6.(a) mu->enunug Energy and Timing Spectra
mu->enunug Events: Energy vs Timing.
mu->enunug Events: Signal vs Accidental Background.
mu->enunug Events: Background-Subtracted Energy Spectrum.
9 January 2000,
E. Frlez, for the PIBETA collaboration