■Latest status (updated: Feb. 18, 2022)

PF ring and PF-AR operate in Top-up injection mode.

■Notice

• Linac carries out a machine study on every Wednesday . During this study, the top-up injection is stopped, and there are three injections (9:00,17:00 and 25:00).
• Linac carries out a machine maintenance in daytime every second Wednesday (5/11, 5/25, 6/8, 6/22). During this maintenance, the top-up injection is stopped.
• When a beam dump or life time drop is occurred, re-injection is performed. If re-injection is performed at less than 2 hours before an ordinal injection, the ordinal injection is skipped.

■Latest status (updated: Jan. 31, 2022)

PF ring and PF-AR operate in Top-up injection mode.

■Notice

• Linac carries out a machine study on every Wednesday. During this study, the top-up injection is stopped, and there are three injections (9:00,17:00 and 25:00).
• Linac carries out a machine maintenance in daytime every second Wednesday. During this maintenance, the top-up injection is stopped.
• When a beam dump or life time drop is occurred, re-injection is performed. If re-injection is performed at less than 2 hours before an ordinal injection, the ordinal injection is skipped.

■Latest status (updated: Feb. 12th, 2021)

PF ring and PF-AR operate in Top-up injection mode.

■Notice

• Linac carries out a machine study on every Wednesday. During this study, the top-up injection is stopped, and there are three injections (9:00,17:00 and 25:00).
• Linac carries out a machine maintenance in daytime every second Thursday. During this maintenance, the top-up injection is stopped.
• When a beam dump or life time drop is occurred, re-injection is performed. If re-injection is performed at less than 2 hours before an ordinal injection, the ordinal injection is skipped.
• From May 13 to May 17, the top-up injection for the PF ring is stopped, and there are several injections. Please pay attention to the information monitors for the time of the injections.

■Latest status (updated: Feb. 15th, 2021)

PF ring and PF-AR operate in Top-up injection mode.

■Notice

• Linac carries out a machine study on every Wednesday. During this study, the top-up injection is stopped, and there are three injections (9:00,17:00 and 25:00).
• Linac carries out a machine maintenance in daytime every second Thursday. During this maintenance, the top-up injection is stopped.
• When a beam dump or life time drop is occurred, re-injection is performed. If re-injection is performed at less than 2 hours before an ordinal injection, the ordinal injection is skipped.
• From Feb. 19 to Feb. 22, the top-up injection for the PF ring is stopped, and there are several injections. Please pay attention to the information monitors for the time of the injections.

■Latest status (updated: Oct. 23rd, 2020)

PF ring and PF-AR operate in Top-up injection mode.

■Notice

• Linac carries out a machine study in night every Wednesday. During this study, the top-up injection is stopped, and there are three injections (9:00,17:00 and 1:00).
• Linac carries out a machine maintenance in daytime every second Thursday. During this maintenance, the top-up injection is stopped.
• When a beam dump or life time drop is occurred, re-injection is performed. If re-injection is performed at less than 2 hours before an ordinal injection, the ordinal injection is skipped.
• From Oct. 21 to Oct. 26, the injection schedule of the PF ring might be changed depending on the situation. Please pay attention to the information monitors.

■Latest status (updated: Jun. 3rd, 2020)

PF ring operates in Top-up injection mode (17th June – 1st July).
No PF-AR operates.

■Notice

Linac carries out a machine study on every Wednesday. During this study, the top-up injection is stopped, and there are three injections (9:00,17:00 and 1:00).Linac carries out a machine maintenance in daytime every second Wednesday. During this maintenance, the top-up injection is stopped.
When a beam dump or life time drop is occurred, re-injection is performed. If re-injection is performed at less than 2 hours before an ordinal injection, the ordinal injection is skipped.

■Latest status (updated: Feb. 17th, 2020)

PF ring and PF-AR operate in Top-up injection mode.

■Notice

• Linac carries out a machine study on every Wednesday. During this study, the top-up injection is stopped, and there are three injections (9:00,17:00 and 1:00).
• Linac carries out a machine maintenance in daytime every second Thursday. During this maintenance, the top-up injection is stopped.
• When a beam dump or life time drop is occurred, re-injection is performed. If re-injection is performed at less than 2 hours before an ordinal injection, the ordinal injection is skipped.

■Latest status (updated: Nov. 13rd, 2019)

PF ring and PF-AR operate in Top-up injection mode.

■Notice

• Linac carries out a machine study on every Wednesday. During this study, the top-up injection is stopped, and there are three injections(9:00,17:00 and 1:00) .
• Linac carries out a machine maintenance in daytime every second Thursday. During this maintenance, the top-up injection is stopped.
• When a beam dump or life time drop is occurred, re-injection is performed. If re-injection is performed at less than 2 hours before an ordinal injection, the ordinal injection is skipped.
• During the hybrid mode operation of PF (2/28-3/9, except for 3/4), there are no stop of top-up injection described above..

■Latest stauts (Oct. 23rd, 2019)

PF ring and PF-AR operate in Top-up injection mode.

■Notice

• Linac carries out a machine study on every Wednesday. During this study, the top-up injection is stopped, and there are three injections. (9:00,17:00 and 1:00).
• Linac carries out a machine maintenance in daytime every second Thursday. During this maintenance, the top-up injection is stopped.
• When a beam dump or life time drop is occurred, re-injection is performed. If re-injection is performed at less than 2 hours before an ordinal injection, the ordinal injection is skipped.
• During the hybrid mode operation of PF (11/22-12/12), There are no stop of top-up injection described above.
• At Oct. 25th and 26th, the top-up injection is stopped, and there are six injections (9:00,13:00,17:00,21:00,1:00 and 5:00).