Target commissioning + CKOV HV scan - 28th/29th March 2015¶

The purpose of the run is to:¶

• Get the system to a state where ToF (and CKOV) Calibration data can be taken
• Take some TOF calibration data

Daily schedule¶

Date	Saturday	Saturday	Sunday	Sunday
estimated time	8am - 4pm	4 - 12pm	8am - 4pm	4pm - 12pm
MOM	Y. Karadzhov	Y. Karadzhov	Y. Karadzhov	Y. Karadzhov
Lead shifter	P. Franchini	P. Hanlet	P. Frachini	P. Hanlet
Shifter	H. Nebrensky	P. Soler	H. Nebrensky	P. Soler
BLOC
SOC	R. Bayes	R. Bayes	R. Bayes	R. Bayes
Expert	Y Karadzhov (DAQ)
Aim	Take Data
Beam?	Yes	Yes	Yes	Yes
Additional Personnel

Prerequisites¶

Run Preparation List

Data Requested¶

Beamline Configurations¶

• N.B. Decay Solenoid will not be available.
• We expect to be running with 2V beamloss and beam bump active.

Preparation¶

• We will run beam into the hall so need to secure the MICE Hall
• Target needs to be ready
• BeamLine elements need to be ready
• Detectors need to be ready
• Controls needs to be ready
• DAQ needs to be ready
• OnMon and OnRec need to be ready
• Data Mover needs to be ready

Shifter target training¶

• at shift handover on Saturday - somewhere between 15:00-17:00

DAQ testing¶

• We will take data with TOF0, TOF1 and Ckov. This means that we will use only one LDC (VME crate).
• The main goal of this run is the continue with the commissioning of the new trigger system, and to investigate the stability issue found last weekend.
• We will start with the debugging of the the stability issue. This operation will require unspecified amount of time.

Reference Run without Decay Solenoid

Number of pulses

Particle Species

p at Tgt

p@D1

p@D2

p@Tof0

Proton Absorber

Q1

Q2

Q3

D1

DS

D2

Q4

Q5

Q6

Q7

Q8

Q9

Similar Run(s)

#

MeV/c

MeV/c

MeV/c

MeV/c

mm

A

A

A

A

A

A

A

A

A

A

A

A

DAQ run #

1 000

pion

272.42

268.67

265.98

143.4

29

57.8

105.6

64.6

202.8

---

100.4

176.8

237.1

157.2

157.6

238.5

203.7

5729

1. The beam line will be first set for Reference Run without Decay Solenoid.
2. Then we will continue with the Ckov momentum scan on the pion momentum

CKOV momentum scan run¶

• We will do a momentum scan on the pion momentum. There should be enough statistics with only 2000 actuations each run.
• To be carried out simultaneously with the debugging of the stability issue.

Number of pulses	Particle Species	p at Tgt	p@D1	p@D2	Proton Absorber	Q1	Q2	Q3	D1	DS	D2	Q4	Q5	Q6	Q7	Q8	Q9	Similar Run(s)
#		MeV/c	MeV/c	MeV/c	mm	A	A	A	A	A	A	A	A	A	A	A	A	DAQ run #
2000	pion	300	268.67	265.98	29	57.8	105.6	64.6	202.8	---	100.4	176.8	237.1	157.2	157.6	238.5	203.7	5729
2000	pion	325	321.5	319	83	69.1	126.3	77.31	246	---	119.6	212.4	284.8	188.9	193.7	293.2	250.6	5439
2000	pion	350	346.58	344.14	83	74.5	136.1	83.3	267.7	---	128.8	229.2	307.4	204	210.6	318.8	272.5	5444
2000	pion	375	371.6	369.2	83	79.8	146	89.4	290.4	---	137.9	246	330	218.9	227.3	344.1	294.2	5442
2000	pion	400	396.7	394.3	83	85.2	155.8	95.4	314.3	---	147.1	262.8	352.5	233.9	244	369.4	315.8	5440
2000	pion	425	421.7	419.36	83	90.55	165.6	101.38	339.36	---	156.26	279.61	374.97	248.84	260.49	394.43	337.23	5437

TOF calibration by using the old trigger system.¶

• This calibration will be used for comparison New vs. Old Trigger
• The goal will be to take 30 000 target pulse or more.
• Trigger provided by the old Tr. system.
1. The beam line will be set for TOF Calibration run.

TOF Calibration run¶

Number of pulses

Beamloss

Particle Species

p at Tgt

p@D1

p@D2

Proton Absorber

Q1

Q2

Q3

D1

DS

D2

Q4

Q5

Q6

Q7

Q8

Q9

Similar Run(s)

#

V

mm

A

A

A

A

A

A

A

A

A

A

A

A

A

A

A

A

DAQ run #

30000

1

Positron

300.0

259.7

249.58

29

56.35

102.7

62.65

195.72

---

98.59

163.16

218.79

114.14

83.40

125.70

80.06

1678

CKOV HV scan run¶

• We also want to do a Ckov HV and momentum scan.
• To be carried out simultaneously and parasitically with the TOF calibration run on electron beam as shown above
• Previous run to be split into 5 runs with 5000 pulses each run, scanning in a range of +- 50 V around nominal settings for CKOV HV settings

Run type	Number of pulses	CKOVa1	CKOVa2	CKOVa3	CKOVa4	CKOVb1	CKOVb2	CKOVb3	CKOVb4
	#	V	V	V	V	V	V	V	V
Default CKOV HV	5000	1610	1520	1570	1625	1540	1590	1540	1495
Default CKOV HV - 50V	5000	1560	1470	1520	1575	1490	1540	1490	1445
Default CKOV HV - 25V	5000	1585	1495	1545	1600	1515	1565	1515	1470
Default CKOV HV + 25V	5000	1635	1545	1595	1650	1565	1615	1565	1520
Default CKOV HV + 50V	5000	1660	1570	1620	1675	1590	1640	1590	1545

Finish¶

• Shutdown target and re-open Hall for Monday