Summary of the operations (Apr, 2001) [To Jananese page]@[Go to home]


April 2, 2001

  • We are starting up the PF ring. Machine tuning is underway.
  • BL-27,21 ITLK system check

  • April 3, 2001

  • Vacuum conditioning for beamlines.
  • Study of SR interometer

  • April 4, 2001

  • Confirmation of light beam position in each beam line.
  • ID (BL-28) Study.

  • April 5, 2001

  • Study
  • 2.5GeV ID Tuning
  • Photo - electron yield measurement by SR irradiation

  • April 6, 2001

  • User run
  • Beam injection started at 8:01 a.m. Confirmation of light beam position in each beam line at 9:00 a.m.
  • We permitted to open the beam shutters at 9:37 a.m.
  • Operation status

    Time

    Beam current

    Beam lifetime

    I*tau

    Average pressure

    Integrated current

    9:00 am

    441.0 mA

    41.5 hours

    1098.4 A*minutes

    13.1 nPa

    930.3 A*hours


  • April 7, 2001

  • User run
  • Beam injection started at 9:02 a.m.We permitted to open the beam shutters at 9:22 a.m .
  • Operation status

    Time

    Beam current

    Beam lifetime

    I*tau

    Average pressure

    Integrated current

    9:22 am

    449.0 mA

    38.2 hours

    1030.0 A*minutes

    13.6 nPa

    938.8 A*hours


  • April 8, 2001

  • User run
  • Beam injection started at 9:02 a.m.We permitted to open the beam shutters at 9:20 a.m .
  • Operation status

    Time

    Beam current

    Beam lifetime

    I*tau

    Average pressure

    Integrated current

    9:20 am

    450.2 mA

    38.1 hours

    1030.2 A*minutes

    13.3 nPa

    947.4 A*hours


  • April 9, 2001

  • Machine study
  • PLL/RF phase modulation
  • Photo - electron yield measurement by SR irradiation

  • April 10, 2001

  • User run
  • Beam injection started at 8:13 a.m.We permitted to open the beam shutters at 8:37 a.m .
  • Operation status

    Time

    Beam current

    Beam lifetime

    I*tau

    Average pressure

    Integrated current

    8:37 am

    451.2 mA

    46.5 hours

    1259.8 A*minutes

    10.4 nPa

    956.7 A*hours


  • April 11, 2001

  • User run
  • Beam injection started at 9:03 a.m.We permitted to open the beam shutters at 9:18 a.m .
  • Operation status

    Time

    Beam current

    Beam lifetime

    I*tau

    Average pressure

    Integrated current

    9:18 am

    451.1 mA

    43.7 hours

    1183.9 A*minutes

    11.2 nPa

    965.6 A*hours


  • April 12, 2001

  • User run
  • Beam injection started at 9:02 a.m.We permitted to open the beam shutters at 9:18 a.m .
  • Operation status

    Time

    Beam current

    Beam lifetime

    I*tau

    Average pressure

    Integrated current

    9:18 am

    451.3 mA

    45.0 hours

    1219.8 A*minutes

    11.4 nPa

    974.7 A*hours

  • A beam dump happened at 5:08 PM due to water flow
  • A water flow recovered at 10:30 a.m. (A one of sensors is faild)
  • Beam injection started at 10:36 a.m.We permitted to open the beam shutters at 11:03 a.m .
  • Operation status

    Time

    Beam current

    Beam lifetime

    I*tau

    Average pressure

    Integrated current

    11:03 am

    450.6 mA

    44.9 hours

    1214.5 A*minutes

    11.3 nPa

    974.8 A*hours


  • April 13, 2001

  • User run
  • Beam injection started at 9:12 a.m.We permitted to open the beam shutters at 9:32 a.m .
  • Operation status

    Time

    Beam current

    Beam lifetime

    I*tau

    Average pressure

    Integrated current

    9:32 am

    450.8 mA

    45.3 hours

    1224.3 A*minutes

    12.1 nPa

    983.1 A*hours


  • April 14, 2001

  • User run
  • Beam injection started at 9:02 a.m.We permitted to open the beam shutters at 9:21 a.m .
  • Operation status

    Time

    Beam current

    Beam lifetime

    I*tau

    Average pressure

    Integrated current

    9:21 am

    450.6 mA

    45.9 hours

    1240.5 A*minutes

    12.4 nPa

    991.8 A*hours


  • April 15, 2001

  • User run
  • Beam injection started at 9:02 a.m.We permitted to open the beam shutters at 9:19 a.m .
  • Operation status

    Time

    Beam current

    Beam lifetime

    I*tau

    Average pressure

    Integrated current

    9:19 a.m

    451.0 mA

    45.2 hours

    1223.6 A*minutes

    12.8 nPa

    1000.4 A*hours


  • April 16, 2001

  • Machine Study
  • 3GeV Study
  • BL-21 Mirror

  • April 17, 2001

  • Machine Study
  • 3GeV Study
  • BL-21 Mirror
  • User run
  • Beam injection started at 8:00 a.m. Each beam line carried out a radiation survey during 8:34 - 11:20 AM
  • We permitted to open the beam shutters at 8:34 a.m.
  • Operation status

    Time

    Beam current

    Beam lifetime

    I*tau

    Average pressure

    Integrated current

    8:34 a.m

    200.0 mA

    45.4 hours

    545.2 A*minutes

    20.8 nPa

    1015.9 A*hours


  • April 18, 2001

  • User run
  • Beam injection started at 8:00 a.m. We permitted to open the beam shutters at 8:31 a.m.
  • Operation status

    Time

    Beam current

    Beam lifetime

    I*tau

    Average pressure

    Integrated current

    8:31 a.m

    200.8 mA

    66.2 hours

    798.2 A*minutes

    20.5 nPa

    1020.0 A*hours


  • April 19, 2001

  • User run
  • Beam injection started at 8:00 a.m. We permitted to open the beam shutters at 8:32 a.m.
  • Operation status

    Time

    Beam current

    Beam lifetime

    I*tau

    Average pressure

    Integrated current

    8:32 a.m

    200.7 mA

    58.4 hours

    702.9 A*minutes

    21.0 nPa

    1024.1 A*hours


  • April 20, 2001

  • User run
  • Beam injection started at 8:00 a.m. We permitted to open the beam shutters at 8:30 a.m.
  • Operation status

    Time

    Beam current

    Beam lifetime

    I*tau

    Average pressure

    Integrated current

    8:30 a.m

    200.9 mA

    66.5 hours

    802.0 A*minutes

    21.4 nPa

    1028.2 A*hours


  • April 21, 2001

  • User run
  • Beam injection started at 9:06 a.m. We permitted to open the beam shutters at 9:28 a.m.
  • Operation status

    Time

    Beam current

    Beam lifetime

    I*tau

    Average pressure

    Integrated current

    8:28 a.m

    200.8 mA

    59.1 hours

    712.2 A*minutes

    21.6 nPa

    1032.4 A*hours


  • April 22, 2001

  • User run
  • Beam injection started at 9:06 a.m. We permitted to open the beam shutters at 9:37 a.m.
  • Operation status

    Time

    Beam current

    Beam lifetime

    I*tau

    Average pressure

    Integrated current

    9:37

    200.4 mA

    50.5 hours

    607.5 A*minutes

    22.0 nPa

    1036.6 A*hours


  • April 23, 2001


    April 23, 2001

  • User run
  • Beam injection started at 8:07 a.m. We permitted to open the beam shutters at 8:35 a.m.

  • April 25, 2001

  • User run
  • Beam injection started at 9:17 a.m. We permitted to open the beam shutters at 9:41 a.m.

  • April 26, 2001

  • User run
  • Beam injection started at 9:06 a.m. We permitted to open the beam shutters at 9:30 a.m.
  • The next injection is scheduled at 9:00 a.m,May.09,2001.

  • April 27, 2001