UN CONTROL = 37

run data =/onlineNEDA_00/xData/hil099/run_0037_04-03-2023_22h56m17s/needleRU_i37_0037_0010.caendat

RU =  6.96 MB/s

LF = 3.65 MB/s

Plunger ;

Planger run = 607

Supposed Dist= 240 um

Actual Distance =  240.1 um

micrometer = 186.4 um

Voltage =  2.719 V

Beam dumb = 0.75 nA

Collimeter = 0.55nA

UN CONTROL = 37

run data =/onlineNEDA_00/xData/hil099/run_0037_04-03-2023_22h56m17s/needleRU_i37_0037_0017.caendat

RU =  7.86 MB/s

LF =  3.88 MB/s

Plunger ;

Planger run = 616

Supposed Dist= 240 um

Actual Distance =  239.8 um

micrometer = 185.9 um

Voltage =  2.721 V

Beam dumb = 0.75 nA

Collimeter = 0.5nA

ELOG V3.0.0-21dc563

RUN CONTROL = 37

run data =/onlineNEDA_00/xData/hil099/run_0037_04-03-2023_22h56m17s/needleRU_i37_0037_0023.caendat

RU =   7.62 MB/s

LF =  3.83 MB/s

Plunger ;

Plunger run = 626

Supposed Dist=  240 um

Actual Distance =  238.5 um

micrometer = 185.5 um

Voltage =   2.727 V

Beam dumb = 1 nA

Collimeter = 1 nA

UN CONTROL = 37

run data =/onlineNEDA_00/xData/hil099/run_0037_04-03-2023_22h56m17s/needleRU_i37_0037_0030.caendat

RU =  7.78 MB/s

LF =  3.85 MB/s

Plunger ;

Plunger run = 636

Supposed Dist=  240 um

Actual Distance = 239.0 um

micrometer =  185.8 um

Voltage =   2.724 V

Beam dumb = 1 nA

Collimeter = 1 nA

RUN CONTROL = 37

run data =/onlineNEDA_00/xData/hil099/run_0037_04-03-2023_22h56m17s/needleRU_i37_0037_0037.caendat

RU =  7.93 MB/s

LF =  3.91 MB/s

Plunger ;

Plunger run = 646

Supposed Dist=  240 um

Actual Distance = 239.5 um

micrometer =  186.0um

Voltage =   2.725 V

Beam dumb = 1 nA

Collimeter = 1 nA

UN CONTROL = 37

run data =/onlineNEDA_00/xData/hil099/run_0037_04-03-2023_22h56m17s/needleRU_i37_0037_0043.caendat

RU =  7.65 MB/s

LF =  3.86 MB/s

Plunger ;

Plunger run = 656

Supposed Dist=   240 um

Actual Distance = 239.3  um

micrometer =   186.1 um

Voltage =    2.725 V

Beam dumb = 1 nA

Collimeter = 0.75 nA

RUN CONTROL = 37

run data =/onlineNEDA_00/xData/hil099/run_0037_04-03-2023_22h56m17s/needleRU_i37_0037_0051.caendat

RU =   8.02 MB/s

LF =   3.97 MB/s

Plunger ;

Plunger run = 667

Supposed Dist=   240 um

Actual Distance = 238.8 um

micrometer =  186.0 um

Voltage =   2.723  V

Beam dumb = 1 nA

Collimeter = 0.75 nA

RUN CONTROL = 41

Data = /onlineNEDA_00/xData/hil099/run_0041_06-03-2023_00h58m13s/needleRU_i41_0041_0026.caendat

RU =    8.24 MB/s

LF =   3.96 MB/s

Plunger ;

Plunger run = 58

Supposed Dist= 242.7 um

Micrometer =   245.0um

Position =    9.9 um

Actual distance =242.5  um

Voltage =    3.816V

Beam dumb =  2.5 nA

Collimeter =  1.1 nA

RUN CONTROL = 41

Data = /onlineNEDA_00/xData/hil099/run_0041_06-03-2023_00h58m13s/needleRU_i41_0041_0043.caendat

RU =   7.3 MB/s

LF =   3.65 MB/s

Plunger ;

Plunger run = 86

Supposed Dist= 242.7 um

Micrometer =  245.3  um

Position =   9.7  um

Actual distance = 242.4 um

Voltage =  3.821  V

Beam dumb =  1.25 nA

Collimeter = 0.75  nA

plunger run # 208

Beam dump 0.75 enA (given by operators) * 7 (following entry ID#39) = 5.25 enA

Collimator   0.75  enA

Run Data =/onlineNEDA_00/xData/hil099/run_0035_03-03-2023_00h04m26s/needleRU_i35_0035_0037.caendat

RU : 3.85 MB/s

LF : 7,29 MB/s

Supposed Distance = 10 um

position of the target = 10.2 um

micrometer = 9.3 um

Voltage = 7.93 V

// we noticed yesterday that GE at 143 degrees counts more than those placed at 117 and 101. The 511 keV line (+ background) is much more pronounced for Ge at 143 degrees. To investigate this issue we decreased the beam intensity to 0.3 enA ( value given by operators at the beam dump ). 

Conclusion - decrease of the beam intensity does not explain above observations (se attached figs)

plunger run # 216

Beam dump 0.3 enA (given by operators) * 7 (following entry ID#39) = 2.1 enA

Collimator     enA

Run Data =/onlineNEDA_00/xData/hil099/run_0035_03-03-2023_00h04m26s/needleRU_i35_0035_0040.caendat

RU : 2.15 MB/s

LF : 5.60 MB/s

Supposed Distance = 10 um

position of the target = 10.6 um

micrometer = 8.8 um

Voltage = 7.8 V

we increased beam intensity to 1.25 enA (readout at the beam dump)

The counting rate in 511 keV line for sum of the Ge detectors placed at 101, 117 and 143 degrees (with approved ACS). The largest intensity is visible for Ge at 143 degrees, lowest for 101 deg.

=============================== RING 101

Integration in spectrum user_ge_ring101_acceptedACS_clone.spc

RESULT : 3895

=============================== RING 117

Integration in spectrum user_ge_ring117_acceptedACS.spc

RESULT : 9392

=============================== RING 143

Integration in spectrum user_ge_ring143_acceptedACS.spc

RESULT : 15767

The Coulex of 197Au (279.5 keV ) line is visible in all rings with a comparable intensity:

=============================== RING 101

Integration in spectrum user_ge_ring101_acceptedACS_clone.spc

RESULT : 12491

=============================== RING 117

Integration in spectrum user_ge_ring117_acceptedACS.spc

RESULT : 11443

===============================RING 143

Integration in spectrum user_ge_ring143_acceptedACS.spc

RESULT : 10460

beam stop due to the beam energy measurement

The beam energy: ~145 MeV

Run 46 - stopped

• Run number: 46
• Start time: Tue Mar 7 15:09:06 2023
• Stop time: Tue Mar 7 23:38:07 2023

run control = 47

run data = /onlineNEDA_00/xData/hil099/run_0047_07-03-2023_23h42m03s/needleRU_i47_0047_0000.caendat

RU =  4.47 MB/s

LF =   3.26 MB/s

plunger:

plunger run = 484

actual distance =  282.8 um

supposed distance = 282.7 um

micrometer =   285.2 um

position =  50.1 um

voltage =  2.965 V

Beam dump =  0.7 nA

Collimater=  0.5 nA

plunger run # 230

Beam dump 1.2  enA (given by operators) * 7 (following entry ID#39) = 8.4 enA

Collimator   0.6  enA

Run Data =/onlineNEDA_00/xData/hil099/run_0035_03-03-2023_00h04m26s/needleRU_i35_0035_0047.caendat

RU : 5.88 MB/s

LF : 8.35 MB/s

Supposed Distance = 10 um

position of the target = 10.2 um

micrometer = 8.8 um

Voltage = 7.94 V

The beam is gone.

the beam comes back.