The influence of magnetic field to 　the time response of PMT

1.combination of PMT and shield

2.Set up

3-1.TDC distribution　 ~vertical~

3-2.TDC distribution ~vertical~

3-3.Delay time ~vertical~

3-4.Delay time ~vertical~

4-1. TDC distribution ~parallel~

4-2. TDC distribution ~parallel~

4-3. Delay time ~parallel~

5.Summary