2010 - Progress

Restarted with beam 27th February 2010. First collisions at 3.5 TeV took place on 30th March 2010. End of run on 6th December 2010.

Date
Bunches/beam
Colliding bunches
Luminosity cm-2s-1
15th November
121
113
2.88e25
9th November
17
16
3.5e24
4th November
LHC switched to heavy ions (fully stripped lead)
25th October
368
348
2.07e32
16th October
312
295
1.35e32
14th October
248
233
1e32
8th October
248
233
8.8e31
4th October
204
186
7e31
29th September
152
140
5e31
25th September
104
93
3.5e31
23rd September
56
47
2e31
22nd September
24
16
4.6e30
1st - 22nd September
Bunch train commissioning
29th August
50
35
1e31

Stage A - progress 2010

Phase

Schedule/Progress
Notes

Ring
factor

Total Time [days]
both rings

Comments

A1

Injection and first turn

First turn

2

4

Complete - end Feb

A2

Circulating beam

Circ. beam

2

2

Complete - end Feb

A3

450 GeV initial commissioning

450 GeV prelim 

2

4

Complete - start March

A4

450 GeV optics measurements

450 GeV detailed 

2

2

In progress

A6

450 GeV - two beams

OK 

1

1

OK

A7

Collisions at 450 GeV

OK 

1

1

To do in 2010

A8

Snapback and ramp

OK 

2

4

Without problems to 3.5 TeV.

A9

Flat top checks

OK 

2

1

In progress

A12

Commission experimental magnets

OK 

 

 

  Complete.

A10

Setup for collisions - 3.5 TeV

OK 

1

1

  Completed 29th March

 

Physics un-squeezed

 

1

-

  First collisions 30th March

TOTAL to first collisions

 

 

22

A11

Commission squeeze

OK 

2

6

  First trial performed (to 5 m in IR1&5)

A5

Increase intensity

 

2

6

  Work still in progress!

 

Set-up physics - partially squeezed.

  OK

1

2

  Operation scenario for 2010=, beta*=3.5 m

 

Pilot physics

  OK