# Presentation: 758625

## HINS Linac Simulations : Benchmarking, Jitter and Stripping.

- Jean-Paul Carneiro
- FNAL Accelerator Physics Center
**Accelerator Physics and Technology Workshop for Project X****November 12****th**** , 2007**

##  BENCHMARKING : HINS ACCELERATING SECTION

***TRACK (ANL, P. Ostroumov) / ASTRA (DESY, K. Floettmann)***

*Jean-Paul Carneiro **	**	**	**               **	**	**ProjectX Workshop, FNAL, November 12**th**   07*

- Z~4 m
- W~2.5 MeV

- ~16 m
- ~10 MeV

- ~60 m
- ~120 MeV

- ~140 m
- ~420 MeV

- ~230 m
- ~1.2 GeV

- ~678 m
- ~8.0 GeV

## RMS TRANSVERSE EMITTANCE

*Jean-Paul Carneiro **	**	**	**               **	**	**ProjectX Workshop, FNAL, November 12**th**   07*

***BENCHMARKING : Zero Current***

## BENCHMARKING : 45 mA (3D Space Charge)

*Jean-Paul Carneiro **	**	**	**               **	**	**ProjectX Workshop, FNAL, November 12**th**   07*

***BENCHMARKING : 45 mA (3D Space Charge)***

## RMS ENVELOPE

***BENCHMARKING : 45 mA (3D Space Charge)***

*Jean-Paul Carneiro **	**	**	**               **	**	**ProjectX Workshop, FNAL, November 12**th**   07*

- RMS BUNCH LENGTH

## BENCHMARKING : 45 mA (3D Space Charge)

***BENCHMARKING : 45 mA (3D Space Charge)***

*Jean-Paul Carneiro **	**	**	**               **	**	**ProjectX Workshop, FNAL, November 12**th**   07*

- RMS ENERGY SPREAD

- RMS LONG. EMITTANCE

## RF JITTER STUDIES : HINS with 8 ILC RF Units + Transport Line

*Jean-Paul Carneiro **	**	**	**               **	**	**ProjectX Workshop, FNAL, November 12**th**   07*

## RF JITTER STUDIES : HINS with 8 ILC RF Units + Transport Line

*Jean-Paul Carneiro **	**	**	**               **	**	**ProjectX Workshop, FNAL, November 12**th**   07*

- TRACK Parameters at the Stripping Foil
- (From PAC07 paper, 200kp)

***RF JITTER STUDIES : HINS with 8 ILC RF Units + Transport Line***

- cavities edges (35 mm)

## • Statistical Error Simulations performed on OPTION 2 (45 mA)

**   ****with the 8 ILC-units at ANL (JAZZ) with TRACK**
**•** **4 cases (24 seeds, 200kp, 45 mA, 3D SC in acc. section)****	**
****** ****0.5% 0.5 deg (NO collimators)**
** ****1% ****	****1 deg (NO collimators)**
****** ****1% 1 deg (****WITH**** ****collimators ****: 2H 2V 6mm, 1H 1V 5.5mm)**
**2% 2 deg (NO collimators)**
**Gaussian Truncated at +/- 3 SIGMA**

***RF JITTER STUDIES : HINS with 8 ILC RF Units + Transport Line***

*Jean-Paul Carneiro **	**	**	**               **	**	**ProjectX Workshop, FNAL, November 12**th**   07*

## 2.0 % 2.0 deg

- 1% 1 deg (collimated)

***RF JITTER STUDIES*** ***: Long. Ph. Space at Stripping Foil (TRACK)***

- 0.5 % 0.5 deg

- 1 %  1 deg

*Jean-Paul Carneiro **	**	**	**               **	**	**ProjectX Workshop, FNAL, November 12**th**   07*

## RF JITTER STUDIES : Beam Spot at Stripping Foil (TRACK)

***RF JITTER STUDIES*** ***: Beam Spot at Stripping Foil (TRACK)***

- 0.5 % 0.5 deg

- 1 %  1 deg

- 2.0 % 2.0 deg

- 1% 1 deg (collimated)

*Jean-Paul Carneiro **	**	**	**               **	**	**ProjectX Workshop, FNAL, November 12**th**   07*

## H- STRIPPING : Analytics

*Jean-Paul Carneiro **	**	**	**               **	**	**ProjectX Workshop, FNAL, November 12**th**   07*

- • _[H- Stripping Equations and Application to the High ](http://home.fnal.gov/~carneiro/beams_doc_2740.pdf)__[Intensity](http://home.fnal.gov/~carneiro/beams_doc_2740.pdf)__[ Neutrino Source](http://home.fnal.gov/~carneiro/beams_doc_2740.pdf)_  (Beams-doc-2740, FNAL, April 2007)

## H- STRIPPING : Analytics

*Jean-Paul Carneiro **	**	**	**               **	**	**ProjectX Workshop, FNAL, November 12**th**   07*

***H- STRIPPING*** ***: Analytics***

- 8 GeV

- 300K

## H

*Jean-Paul Carneiro **	**	**	**               **	**	**ProjectX Workshop, FNAL, November 12**th**   07*

***H- STRIPPING*** ***: HINS (2 MW) and SNS (1.5 MW)***

**H**
**I**
**N**
**S**

**S**
**N**
**S**

## HINS

*Jean-Paul Carneiro **	**	**	**               **	**	**ProjectX Workshop, FNAL, November 12**th**   07*

***H- STRIPPING*** ***:  TRACK Simulations of Residual Gas Losses***

**HINS**

**SNS**

- 1E-7 T
- 300 K

- 1E-7 T
- 2 K

- 1E-7 T
- 300 K

- 1E-7 T
- 300 K

- 1E-7 T
- 2 K

- 1E-7 T
- 300 K

## CONCLUSION

*Jean-Paul Carneiro **	**	**	**               **	**	**ProjectX Workshop, FNAL, November 12**th**   07*

**• ****TRACK- ASTRA : excellent agreement**
**•** **Jitter : ****	****1 deg 1% is acceptable **
**	****	****2 deg 2 % is not acceptable**
**• ****H- Stripping : implemented into TRACK**
**	****	****   ****beam losses are controllable**