Λ * (1520) photoproduction
DESCRIPTION
Λ * (1520) Photoproduction. 2006/12/20 Jia-Ye Chen. Outline. Physics Motivation Helicity frame decay asymmetry Previous Results : LAMP2 and CLAS Data Analysis Side-Band Subtraction Background Estimation (by Muramatsu-san). Physics Motivation. γ + p → K - + Λ(1520) → p + K -. - PowerPoint PPT PresentationTRANSCRIPT
LEPS Analysis Meeting
ΛΛ**(1520) Photoproduction(1520) Photoproduction
2006/12/20Jia-Ye Chen
2006/12/20 LEPS Analysis Meeting
Outline
• Physics Motivation
– Helicity frame decay asymmetry
• Previous Results : LAMP2 and CLAS
• Data Analysis
– Side-Band Subtraction
– Background Estimation (by Muramatsu-san)
2006/12/20 LEPS Analysis Meeting
Physics Motivation
γ + p → K - + Λ(1520)
→ p + K -
2006/12/20 LEPS Analysis Meeting
Previous ResultsCLAS Electroproduction LAMP2 Photoproduction
2006/12/20 LEPS Analysis Meeting
Missing Mass of pK-
2006/12/20 LEPS Analysis Meeting
Invariant Mass of pK-
2006/12/20 LEPS Analysis Meeting
Background Estimation (1)
2006/12/20 LEPS Analysis Meeting
Background Estimation (2)
2006/12/20 LEPS Analysis Meeting
K- Decay Polar Angle (SB)
2006/12/20 LEPS Analysis Meeting
K- Decay Polar Angle (BE)
2006/12/20 LEPS Analysis Meeting
K- Decay Azimuthal Angle (SB)
2006/12/20 LEPS Analysis Meeting
K- Decay Azimuthal Angle (BE)
2006/12/20 LEPS Analysis Meeting
K+ Decay Polar Angle in CMS (SB)
2006/12/20 LEPS Analysis Meeting
K+ Decay Polar Angle in CMS (BE)