GoldenDOMsStatus and analysis plan

Shigeru Yoshida (for Hiroko M)Dept. of Physics, Chiba University.

The Golden DOM people

ChibaHiroko, Tsuyoshi, Mina, Shigeru

UW-MadisonKael, Mark, Aya, Kotoyo

PSUCarsten

DOM 2D Scan

2D PMT Scan

N2 laserN2

PMT/DOM Absolute Efficiency

Chamber and DAQ

ATTENUATOR

PressuremeterTemp

monitor

■ Calibration of PMTs and Digital Optical Modules (DOMs)

Main board

metal cage Flasher board

Optical gel

HV board

10 inch PMT

DOMPMT

Normal checkNormal check: (1/10) Linearity of the PMT gain dark noise rate charge resolution

Golden PMTsGolden PMTs: (1/60)

normal check + 2D sensitivity scan Absolute calibration

Hamamatsu Chiba Univ. Wisconsin Univ. Chiba Univ. South Pole

makes all PMTs assembles DOMs

check all DOMs (under low temperature)

Linearity of the DOM gain dark noise rate component check cold reboot communication test

Golden DOMsGolden DOMs: (1/80) 2D sensitivity scan Absolute calibration

Hakkenden (“eight” dog) Warriors….? DOM name PMT #Sosuke_Inukawa : TA1181 --failedDosetsu_Inuyama : TA1069 Shino_Inuzuka : TA1052Genpachi_Inukai : TA1167Kobungo_Inuta : TA1062Keno_Inuzaka : TA1056 --failedShinbei_Inue : TA1059Daikaku_Inuyama : TA1176 --failed

Shinbei_Inue

GDOM absolute calibration data

Local Coincidence with a sync signal of N2 laser!!

Genpachi_Inukai

GDOM absolute calibration data

Local Coincidence with a sync signal of N2 laser!!

Shinbei_InueGDOM 2D scan data

DOM PMT

Shino_InuzukaGDOM 2D scan data

DOM PMT

S39-53

S39-55

S39-56

X-axis in [ns]y-axis in [mV]

String 39 GDOM Flasher data

FADC

FADC

FADC

ATWD

ATWD

ATWD

ATWD time window

S21-55flasher

By Aya (UW-Madison)

IceRayTrace SimulationBy Kotoyo (UW-Madison)

IceRayTrace SimulationBy Kotoyo (UW-Madison)

Analysis Plan

ROMEO-GPMTDOMIMANT(Geant4)

String-39Flasher/SC

IceRayTrace

Energy Calibration(Hole)Ice

Golden DOM production for PY05

8Golden PMTs@ Chiba

DOM Assembly/FAT@ UW-Madison

3 left-over GPMTs@ UW-Madison

<11 Golden DOMs@ Chiba

South Pole !!

MayAugust

Nov