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-- Main.sicomett - 2021-08-18

Electron Energy Scan in Tower 0 (SiPM)

  • Calorimeter rotated by 1°
  • SiPM filters: Kodak Wratten 3 in scintillation channel, transparent one in Cherenkov
  • SiPM majority = 3
  • PMT yellow filter on scintillation channels, no amplification in Cherenkov

Energy Run # N. Event Comments
(GeV) (x1000)
6 696 31  
6 697 1  
6 700 3  
     
10 655 27  
10 656 2  
10 657 50  
     
20 648 150 no C counters
20 670 100  
20 694 100  
20 695 100 no Preshower
     
30 649 57 no C counters
30 651 15 no C counters
30 652 100  
30 671 100  
30 693 100  
       
40 645 150 no C counters
40 669 500  
40 686 500  
40 687 520  
     
60 644 150 no C counters
60 672 100  
60 692 100  
60 722 100 Pb target used (estimated electron fraction ~ 1.5%) - wrong pressure in C counters
60 723 120 Pb target used (estimated electron fraction ~ 1.5%)
60 724 80 Pb target used (estimated electron fraction ~ 1.5%)
60 725 80 Pb target used (estimated electron fraction ~ 1.5%)
60 729 123 Pb target
     
80 646 150 no C counters
80 673 100  
80 691 100  
80 718 100 Pb target used (estimated electron fraction ~ 1.8%)
80 719 100 Pb target used (estimated electron fraction ~ 1.8%)
80 726 150 Pb target used
80 728 150 Pb target used
     
100 653 300  
100 674 100 there may be a problem with data misalignment!
100 716 100 Pb target used (estimated electron fraction ~ 1%)
100 717 100 Pb target used (estimated electron fraction ~ 1%)
100 727 300 Pb target used
     
125 647 150 no C counters
125 654 150  
125 675 100  
125 715 20 new beam conf

Special Runs

These are special electron runs where the configuration is different from beam in central tower

Tower Energy (GeV) *Run Number" N. Event (x1000) Comments
1 10 688 50  
1 60 689 50 C pressure ~ 45 mbar
1 100 690 50 C pressure ~ 20 mbar
5 60 722 5 Pb target used (estimated electron fraction ~ 1.5%)
4 20 740 5 Cu + Al target (standard, runs with no comments have been taken with this target)
4 20 741 5 Graphite target
4 10 742 5 Pb-6+Al-400 target
0 20 741 5 Pb-6+Al-400 target ; Spectroscopy + timing
0 20 741 6 Pb-6+Al-400 target ; Only Spectroscopy

Muon scan

  • Beam: muons

  • Yellow filters (Kodak Wratten #3) in the S channels

Tower Energy (GeV) *Run Number" N. Event (x1000) Comments
0 180 (max momentum) 682 100 Majority threshold set to 1
0 180 (max momentum) 683 100 Majority threshold set to 3 (same as electron runs)
0 180 (max momentum) 702 22 Majority threshold set to 3 (same as electron runs)
1 180 (max momentum) 703 20 Majority threshold set to 1
2 180 (max momentum) 704 20 Majority threshold set to 1
3 180 (max momentum) 706 20 Majority threshold set to 1
5 180 (max momentum) 730 20 Majority threshold set to 1
8 180 (max momentum) 731 20 Majority threshold set to 1
7 180 (max momentum) 732 20 Majority threshold set to 1
6 180 (max momentum) 734 20 Majority threshold set to 1
4 180 (max momentum) 735 33 Majority threshold set to 1

  • Orange filters (Kodak Wratten #21) in the S channels

Tower Energy (GeV) Run # PMT Run # SiPM N. Event Comments
0 180 (wide band) 576 576 22.5 k  
0 180 (wide band) 578 578 105 k Board 0 not working properly - Trigger ID problems
0 180 (wide band) 581 581 13 k T-OR sent to TDC
0 180 (wide band) 582 582 5 k Run interrupted during night
5 180 638 638 50 k  
0 180 639 639 10 k  

Calibration runs for PMT and Energy scan with Orange Filter

  • Beam: electrons

* Yellow filters (Kodak Wratten #3) in the S channels

Tower Energy (GeV) Run # PMT Run # SiPM N. Event (x1000) Comments
1 20 660 660 30 PMT calibration
2 20 661 661 25 PMT calibration, dropped because problem in LINAC 4
2 20 662 662 34 PMT calibration
3 20 663 663 36 PMT calibration
5 20 664 664 30 PMT calibration
8 20 665 665 33 PMT calibration
7 20 666 666 34 PMT calibration
6 20 667 667 32 PMT calibration
4 20 668 668 33 PMT calibration

  • Setup with Orange filters (Kodak Wratten #21) in the S channels, both PMTs and SiPM (please bear in mind all runs in the energy scan list have been taken with the Kodak Wratten #3 filter)

Tower Energy (GeV) Run # PMT Run # SiPM N. Event Comments
5 y 607 607 7 k PMT calibration
8 y 611 611 11 k PMT calibration
7 y 613 613 11 k PMT calibration
6 y 614 614 11 k PMT calibration
4 y 615 615 11 k PMT calibration
1 y 618 618 11 k PMT calibration
2 y 624 624 12 k PMT calibration
3 y 626 626 12 k PMT calibration
0 60 627 627 100 k  
0 80 628 628 50 k  
0 125 629 629 50 k  
0 100 630 630 50 k  
0 40 631 631 50 k  
0 30 632 632 50 k  
0 20 637 637 100 k Busy signal reconnected - TDC resolution: 140 ps

Position scan

  • Nominal electron beam, 40 GeV, Cherenkov counter threshold 80 mbar
x y Run Number N. Event (x1000) Comments
-30 -19 676 50 left side of T0 along x, centre along y
-30 -1 677 50 left side of T0 along x, bottom along y
+6 -1 678 50 right side of T0 along x, bottom along y
+6 -19 679 20 right side of T0 along x, centre along y
+6 -19 680 20 right side of T0 along x, centre along y
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Topic revision: r13 - 2021-12-01 - GabriellaGaudio
 
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