Dan Gabriel Ghiţă IFIN-HH

1. NewTandemAcceleratorsforAppliedResearchinIFIN-HHStatusoftheInstallation of 1 MV Tandetron Dan Gabriel Ghiţă IFIN-HH IWTA 2012

2. Investment project • The infrastructure investment was done in the framework of the project 7PM/1/2008 / 29.10.2008 granted by National Authority for Scientific Research [1] • Director of the project: Dr. Nicolae Victor Zamfir (General Director of IFIN-HH) • Initiators of the subprojects for the two accelerators: Dr. AgataOlariu and Dr. SilviuOlariu [2] [1] http://proiecte.nipne.ro/pn2-capacitati_mari/ [2] Romanian Reports in Physics, Vol. 63, No. 4, P. 923–928, 2011 IWTA 2012

3. The 1 MV Tandetron Accelerator dedicated to AMS • Installation began at the beginning of 2012 • Manufactured by High Voltage Engineering Europa B.V. - The Netherlands 14C/13C or 12C 10Be/9Be 26Al/27Al 129I/ 127I IWTA 2012

4. The 1 MV Tandetron Accelerator dedicated to AMS • SO110 Cs sputter ion source producing negative ions • Spherical ionizer • 50 Sample holder Tipical beam currents: ≈100 μA for C- ≈5 μA for BeO- ≈400 nA for Al- ≈8 μA for I- ION SOURCE IWTA 2012

5. The 1 MV Tandetron Accelerator dedicated to AMS 90o dipole magnet with bouncer system 45o electrostatic deflector IWTA 2012

6. The 1 MV Tandetron Accelerator dedicated to AMS 1 MV Cockroft Walton Tandetron Accelerator • Maximum high voltage on the accelerating terminal: 1 milion Volts • Charging system: Cockroft-Walton type without moving parts • Accelerating tubes with spiraled field and titanium electrodes • Gas stripping system inside the high voltage terminal IWTA 2012

7. The 1 MV Tandetron Accelerator dedicated to AMS 90o analyzing magnet IWTA 2012

8. The 1 MV Tandetron Accelerator dedicated to AMS Stable isotopes measurement system IWTA 2012

9. The 1 MV Tandetron Accelerator dedicated to AMS Angle: 1200 Radius: 650 mm Gap between electrodes: 25 mm Maximum bias voltage: 60 kV Electrostatic analyzer IWTA 2012

10. The 1 MV Tandetron Accelerator dedicated to AMS Bias: 300 V Gas: Isobutane Window: Si3N4, 50 nm Window size: 10 mm in diameter Length: ~430 mm Gas detector IWTA 2012

11. RESULTS FROM THE ACCEPTANCE TESTS For these measurements were used standard and background samples. IWTA 2012

12. Chemistry laboratory • High purity water system • Analytical balances • Ovens • Magnetic stirrers • Professional furnaces • Vacuum and pressure pumps • Evaporators • Microscopes • Centrifuges • Ultrasonic baths • High pressure liquid chromatograph IWTA 2012

13. Graphitization system • AGE – 3 (Developed by Swiss Federal Institute of Technology) • Fully automated graphitisationsystem that uses a molecular sieve trap instead a cryotrap to transfer theCO2from sample combustion in an EA to the graphitisationreactors.* *L. Wacker,M. Nemec, J. Bourquin, Nuclear Instruments and Methods in Physics Research B 268 (2010) 931–934 IWTA 2012

14. 3 MV Tandetron for IBA IWTA 2012

15. CONCLUSIONS • The installation of the 1 MV Tandetron accelerator, along with the chemistry laboratory and the graphitization system, creates great opportunities for research using AMS techniques in various domains like medicine, archeology, geology, material science, pharmacology, environmental sciences, forensic investigations, nuclear physics and in many other fields of research. IWTA 2012

16. Acknowledgments • Chemists: Corina Anca Simion, Nicoleta Mihaela Florea • Tandem engineers: Daniel Vasile Moşu, Iani Mitu, Gabriel Dumitru, Bogdan Savu, Iani Mitu, Cătălin Călinescu • Tandem technical team: DorinMoisa, Constantin Crăciun, Gheorghe Mihon, Gheorghe Ion, Cristian Florea, Cristian Păun, Ionuț Brînzan, Gigi Naghel, Mihai Badea, Stancu Cojocaru, Viorel Bătrâneanu, Cristian Popescu and Laurențiu Povariu, VasileCeauselu • AMS team: Cătălin Stan-Sion, Mihaela Enăchescu, Alexandru Petre, SimonaConstantin, CorinaUroseviteanu IWTA 2012

17. THANK YOU! 1 MV Tandem website: http://tandem.nipne.ro/~tnd1m/index.html IWTA 2012