Selecting the reference runs

We divide all runs of g9b into 5 intervals.
Interval Calibration Runs Beam Energy(GeV) Pass Pol
1 62212 - 62703 3.081 3 Circular
2 62704 - 62844 3.081 3 Linear, .9 and 1.1 C.E.
3 62845 - 63059 5.078 5 Linear, 1.3 and 1.5 C.E.
4 63060 - 63465 5.078 5 Linear, 1.7, 1.9 and 2.1 C.E.
5 63508 - 63599 2.06 2 Circular

Interval1

Sub Interval Calibration Runs Reference Run
1 62321 - 62340 62328
2 62341 - 62360 62351
3 62361 - 62400 62383
4 62401 - 62500 62440
5 62501 - 62540 62505
6 62541 - 62620 62580
7 62621 - 62650 62640
8 62651 - 62675 62660
9 62676 - 62703 62680

Interval2

Sub Interval Calibration Runs Reference Run
1 62704 - 62745 62723
2 62746 - 62772 62760
3 62773 - 62796 62780
4 62797 - 62825 62800
5 62826 - 62844 62840

Interval3

Sub Interval Calibration Runs Reference Run
1 62845 - 62870 62850
2 62871 - 62900 62980
3 62901 - 62953 62910
4 62954 - 62985 62970
5 62986 - 63059 63000

Interval4

Sub Interval Calibration Runs Reference Run
1 63060 - 63150 63100
2 63151 - 63250 63201
3 63251 - 63290 63273
4 63291 - 63320 63293
5 63321 - 63350 63331
5 63351 - 63465 63407

Interval5

Sub Interval Calibration Runs Reference Run
1 63508 - 63540 63530
2 63541 - 63562 63550
3 63563 - 63599 63580