Reco of spice data

Relatred doc. DB1768, DB1793, DB1784, DB1865, DB1951, DB1876,

Reconstruction of SPICE core showed if vertex (or pulser) located below -25 degree of elevation angle, detector is not able to trigger the signal

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Fig. 147 A2. Reconstruction of SPICE core measurement. Dec. 26 drop

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Fig. 148 A3. Reconstruction of SPICE core measurement. Dec. 26 drop

Passed simulated event

Based on this measurement we decided to exclude simulated Neutrino event that located below -25 degree from trigger level

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Fig. 149 Simulated Neutrino event in RZ map. Red dashed line is -25 degree of elevation angle

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Fig. 150 A2 passed event after implementing spice core cut

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Fig. 151 A3 passed event after implementing spice core cut

Summary of backgound estimation and S/B cut

Same S / S_up method was performed with signal simulation including spice cut

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Fig. 152 A2 VPol. signal background saparation cut in two parameter space

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Fig. 153 A2 HPol. signal background saparation cut in two parameter space

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Fig. 154 A3 VPol. signal background saparation cut in two parameter space

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Fig. 155 A3 HPol. signal background saparation cut in two parameter space

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Fig. 156 A2. estimated background number

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Fig. 157 A3. estimated background number

A2 Effective area and Signal efficiency

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Fig. 158 Effective area in trigger level

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Fig. 159 Effective area in after all cuts

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Fig. 160 Signal efficiency of each cut

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Fig. 161 Signal efficiency in energy

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Fig. 162 Signal efficiency in Radius

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Fig. 163 Signal efficiency in SNR

A3 Effective area and Signal efficiency

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Fig. 164 Effective area in trigger level

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Fig. 165 Effective area in after all cuts

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Fig. 166 Signal efficiency of each cut

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Fig. 167 Signal efficiency in energy

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Fig. 168 Signal efficiency in Radius

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Fig. 169 Signal efficiency in SNR

Event rate

Because of SPICE core cut event passing rate is go down to 0.27 from 3.35

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Fig. 170 A2. Event rate

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Fig. 171 A3. Event rate

Sensitivity

Block solid line is final sensitivity of detector after applying spice cut. Red dashed line is without spice cut

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Fig. 172 Sensitivity in E2

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Fig. 173 Sensitivity in E1