verifying tof and lps in alice
DESCRIPTION
Verifying TOF and LPS in Alice. Josh Briegal 21/08/12. Aims. Verify the longitudinal compression scheme in ALICE Confirm Peter’s ELEGANT model is correct Re create data taken by Peter and Frank in shifts #3058 (AR1-BPM06) and #3076 (ST2-BPM04). LC1GS Varied AR1-QUAD01/04 Varied #3058. - PowerPoint PPT PresentationTRANSCRIPT
![Page 1: Verifying TOF and LPS in Alice](https://reader036.vdocuments.mx/reader036/viewer/2022062422/56812c47550346895d90cbf0/html5/thumbnails/1.jpg)
Verifying TOF and LPS in Alice
Josh Briegal 21/08/12
![Page 2: Verifying TOF and LPS in Alice](https://reader036.vdocuments.mx/reader036/viewer/2022062422/56812c47550346895d90cbf0/html5/thumbnails/2.jpg)
Aims
• Verify the longitudinal compression scheme in ALICE
• Confirm Peter’s ELEGANT model is correct
• Re create data taken by Peter and Frank in shifts #3058 (AR1-BPM06) and #3076 (ST2-BPM04)
![Page 3: Verifying TOF and LPS in Alice](https://reader036.vdocuments.mx/reader036/viewer/2022062422/56812c47550346895d90cbf0/html5/thumbnails/3.jpg)
LC1GS VariedAR1-QUAD01/04 Varied#3058
AR1-BPM06Before Chicane
Shifted Parabola
ELEGANT consistently steeper
Confirms isochronous condition (~2.16A QUAD01/04)
![Page 4: Verifying TOF and LPS in Alice](https://reader036.vdocuments.mx/reader036/viewer/2022062422/56812c47550346895d90cbf0/html5/thumbnails/4.jpg)
LC1GS VariedAR1-QUAD01/04 Varied#3076
ST2-BPM04Post Chicane
![Page 5: Verifying TOF and LPS in Alice](https://reader036.vdocuments.mx/reader036/viewer/2022062422/56812c47550346895d90cbf0/html5/thumbnails/5.jpg)
LC1GS VariedAR1-SEXT01 Varied#3058
AR1-BPM06Before Chicane
![Page 6: Verifying TOF and LPS in Alice](https://reader036.vdocuments.mx/reader036/viewer/2022062422/56812c47550346895d90cbf0/html5/thumbnails/6.jpg)
LC1GS VariedAR1-SEXT01 Varied#3076
ST2-BPM04Post Chicane
Note:
Frank used 2.23A on AR1-QUAD01/04 not 2.19
![Page 7: Verifying TOF and LPS in Alice](https://reader036.vdocuments.mx/reader036/viewer/2022062422/56812c47550346895d90cbf0/html5/thumbnails/7.jpg)
Further Investigations
• Vary LC2GS instead of LC1 (Frank shift #3056)• Vary AR1-SEXT02 instead of AR1-SEXT01
![Page 8: Verifying TOF and LPS in Alice](https://reader036.vdocuments.mx/reader036/viewer/2022062422/56812c47550346895d90cbf0/html5/thumbnails/8.jpg)
LPS plots
• Tracking LPS as beam goes through the chicane
• Compare for different sextupole and quadrupole strengths at nominal energy
• Comparing LPS based on different beam distributions for different setups (THZ and FEL)
• All at nominal energy (~26MeV)
![Page 9: Verifying TOF and LPS in Alice](https://reader036.vdocuments.mx/reader036/viewer/2022062422/56812c47550346895d90cbf0/html5/thumbnails/9.jpg)
Before Chicane
AR1-SEXT01 varied
Black 0ARed 3ABlue 9A
![Page 10: Verifying TOF and LPS in Alice](https://reader036.vdocuments.mx/reader036/viewer/2022062422/56812c47550346895d90cbf0/html5/thumbnails/10.jpg)
Current Histogram
Before Chicane
AR1-SEXT01 varied
Black 0ARed 3ABlue 9A
![Page 11: Verifying TOF and LPS in Alice](https://reader036.vdocuments.mx/reader036/viewer/2022062422/56812c47550346895d90cbf0/html5/thumbnails/11.jpg)
Post Chicane
AR1-SEXT01 varied
Black 0ARed 3ABlue 9A
![Page 12: Verifying TOF and LPS in Alice](https://reader036.vdocuments.mx/reader036/viewer/2022062422/56812c47550346895d90cbf0/html5/thumbnails/12.jpg)
Current Histogram
Post Chicane
AR1-SEXT01 varied
Black 0ARed 3ABlue 9A
![Page 13: Verifying TOF and LPS in Alice](https://reader036.vdocuments.mx/reader036/viewer/2022062422/56812c47550346895d90cbf0/html5/thumbnails/13.jpg)
Before Chicane
AR1-QUAD01/04 varied
Red 2.11ABlue 2.15ABlack 2.19AGreen 2.23A
![Page 14: Verifying TOF and LPS in Alice](https://reader036.vdocuments.mx/reader036/viewer/2022062422/56812c47550346895d90cbf0/html5/thumbnails/14.jpg)
Current Histogram
Before Chicane
AR1-QUAD01/04 varied
Red 2.11ABlue 2.15ABlack 2.19AGreen 2.23A
![Page 15: Verifying TOF and LPS in Alice](https://reader036.vdocuments.mx/reader036/viewer/2022062422/56812c47550346895d90cbf0/html5/thumbnails/15.jpg)
Post Chicane
AR1-QUAD01/04 varied
Red 2.11ABlue 2.15ABlack 2.19AGreen 2.23A
![Page 16: Verifying TOF and LPS in Alice](https://reader036.vdocuments.mx/reader036/viewer/2022062422/56812c47550346895d90cbf0/html5/thumbnails/16.jpg)
Current Histogram
PostChicane
AR1-QUAD01/04 varied
Red 2.11ABlue 2.15ABlack 2.19AGreen 2.23A
![Page 17: Verifying TOF and LPS in Alice](https://reader036.vdocuments.mx/reader036/viewer/2022062422/56812c47550346895d90cbf0/html5/thumbnails/17.jpg)
THZ setup
Before Chicane
![Page 18: Verifying TOF and LPS in Alice](https://reader036.vdocuments.mx/reader036/viewer/2022062422/56812c47550346895d90cbf0/html5/thumbnails/18.jpg)
THZ setup
Post Chicane
![Page 19: Verifying TOF and LPS in Alice](https://reader036.vdocuments.mx/reader036/viewer/2022062422/56812c47550346895d90cbf0/html5/thumbnails/19.jpg)
FEL Black
THZ Red
Before Chicane
![Page 20: Verifying TOF and LPS in Alice](https://reader036.vdocuments.mx/reader036/viewer/2022062422/56812c47550346895d90cbf0/html5/thumbnails/20.jpg)
Current histogram
FEL Black
THZ Red
Before Chicane
![Page 21: Verifying TOF and LPS in Alice](https://reader036.vdocuments.mx/reader036/viewer/2022062422/56812c47550346895d90cbf0/html5/thumbnails/21.jpg)
FEL Black
THZ Red
Post Chicane
![Page 22: Verifying TOF and LPS in Alice](https://reader036.vdocuments.mx/reader036/viewer/2022062422/56812c47550346895d90cbf0/html5/thumbnails/22.jpg)
Current histogram
FEL Black
THZ Red
Post Chicane