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NEMO


Mini-Tower Floor


Simulation construction


Normalized Value

X 'V X= N
V ­ volume N ­ number of decays X' ­ number of coincidence


Simulation results


Data packet


P ack et s r o w


P ack et s r o w


Experimental data processing


Experimental data processing


Coincidence rate
PMT_IDs 1-2 3-4 5-6 7-8 9-10 11-12 13-14 15-16 Coincidence rate (Hz) 6.78259+-0.124 7.58867+-0.128 6.17965+-0.122 6.13079+-0.133 6.30453+-0.122 6.60216+-0.120 2.33366+-0.059 3.61095+-0.056 Sigma (ns) 2.70358+-0.0380 2.61346+-0.0347 2.69272+-0.0414 2.78713+-0.0478 2.80612+-0.0419 2.55773+-0.0369 3.31696+-0.0662 2.5555+-0.0304


Compare with simulation
· Radius = 10 m · Coincidence rate (Hz) = 16.7589 +- 0.368 · Sigma (ns) = 1.07328 +- 0.024


Simulation construction


Charge distribution


Charge distribution


Charge distribution (subtraction)


Optical Module


Optical Module


Optical Module


Optical Module


Angular Acceptance


Angular Acceptance


Phototube


Region around 0


Phototube


Tape


Angular Acceptance