Results of HyCal Analyses

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Presentation transcript:

Results of HyCal Analyses Liyang Jiang UNCW/CIAE

Performance of HyCal Energy Dependent Position Dependent Energy Reconstruction Position Reconstruction Position Dependent

Energy Dependent Energy Reconstruction Position Reconstruction Linearity Resolution Position Reconstruction

Energy Reconstruction Energy is reconstructed with 5X5 cluster Raw Data: two deep statistics runs. PWO-4280, Glass-4279

Fitting Function Partial Gaussian Landau*Gaussian Fit the peak with single Gaussian function in the range (-2σ,1σ) from the Maximum Landau*Gaussian Fit with Landau Gaussian convolution function A: Normalization Coefficient P: Position of Maximum W: Width of Landau function σ: Sigma of Gaussian function

Partial Gaussian Fit (-2/+1 sigma) 5.47 GeV 4.43 GeV 2.35 GeV 1.16 GeV

FWHM method fitting histograms 5.47 GeV 4.43 GeV 2.35 GeV 1.16 GeV

Energy Linearity (PWO)

Energy Resolution (Partial Gaus)

Energy Resolution (FWHM)

Comparison of two methods

Fitting Histogram (Glass)

Energy Linearity (Glass)

Energy Resolution (Glass)

Position Resolution vs. E Position reconstructed with Logarithm method. Beam profile subtraction Fit the histograms with Beam-profile*Gaussian Function

Beam Profile

Fitted Histograms (PWO) 1.2 GeV 2.4 GeV Δx (cm) Δx (cm) 4.2 GeV 5.5 GeV Δx (cm) Δx (cm)

Coordinate Resolution vs. E (PWO)

Fitted Histograms (Glass) 1.2 GeV 2.9 GeV Δx (cm) Δx (cm) 4.2 GeV 5.5 GeV Δx (cm) Δx (cm)

Coordinate Resolution vs. E (Glass)

Position Dependent

Brief intro to raw data Run with less beam trip Region far from edge

X vs. X (PWO)

X resolution vs. X (PWO)

E/Eg vs. X (PWO)

E resolution vs. X (PWO)

X linearity (Glass)

X resolution vs. X (Glass)

Transition Region Run 4245~4266 Step: 4245~4253: 2.5mm 4253~4260: 5mm

X linearity (Cross)

X resolution vs. X (Cross)

E/Eg vs. X (Cross)

E resolution vs. X (Cross)