Mattione Update 11092011

π(1600) -> b₁π Events, π⁺ Candidates, 2D BCAL Δβ vs p

Δβ = β_p - β_t = p/sqrt(p*p + m*m) - path/(c*TOF)

334 Segmentation

1234 Segmentation

π(1600) -> b₁π Events, π⁺ Candidates, 1D BCAL Δβ vs p

• π(1600) -> b₁π Events, π⁺ Candidates, BCAL Δβ Fits in Momentum Bins

334 Segmentation, σπ+ = 0.0139855	1234 Segmentation, σπ+ = 0.0116038
334 Segmentation, σπ+ = 0.0133706	1234 Segmentation, σπ+ = 0.0108730
334 Segmentation, σπ+ = 0.0126071	1234 Segmentation, σπ+ = 0.0103956
334 Segmentation, σπ+ = 0.0120421	1234 Segmentation, σπ+ = 0.00982708

• π(1600) -> b₁π Events, π⁺ Candidates, BCAL Segmentation Δβ Overlay

1.75 < p (GeV/c) < 1.85

• π(1600) -> b₁π Events, π⁺ Candidates, BCAL σ_Δβ

Momentum	BCAL π+ σΔβ, 334 Segmentation	BCAL π+ σΔβ, 1234 Segmentation	BCAL π+ σΔβ % Reduction
1.15 < p (GeV/c) < 1.25	0.0139855	0.0116038	17.03%
1.35 < p (GeV/c) < 1.45	0.0133706	0.0108730	18.7%
1.55 < p (GeV/c) < 1.65	0.0126071	0.0103956	17.5%
1.75 < p (GeV/c) < 1.85	0.0120421	0.00982708	18.4%