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New Tandem Accelerators for Applied Research in IFIN-HH Status of the Installation of 1 MV Tandetron Dan Gabriel Ghiţ ă IFIN-HH IWTA 2012.

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Presentation on theme: "New Tandem Accelerators for Applied Research in IFIN-HH Status of the Installation of 1 MV Tandetron Dan Gabriel Ghiţ ă IFIN-HH IWTA 2012."— Presentation transcript:

1 New Tandem Accelerators for Applied Research in IFIN-HH Status of the Installation of 1 MV Tandetron Dan Gabriel Ghiţ ă 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. Agata Olariu and Dr. Silviu Olariu [2] [1] http://proiecte.nipne.ro/pn2-capacitati_mari/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 IWTA 2012 14 C/ 13 C or 12 C 10 Be/ 9 Be 26 Al/ 27 Al 129 I/ 127 I

4 The 1 MV Tandetron Accelerator dedicated to AMS IWTA 2012 ION SOURCE 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 -

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

6 The 1 MV Tandetron Accelerator dedicated to AMS IWTA 2012 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

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

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

9 The 1 MV Tandetron Accelerator dedicated to AMS IWTA 2012 Electrostatic analyzer Angle: 120 0 Radius: 650 mm Gap between electrodes: 25 mm Maximum bias voltage: 60 kV

10 The 1 MV Tandetron Accelerator dedicated to AMS IWTA 2012 Gas detector Bias: 300 V Gas: Isobutane Window: Si 3 N 4, 50 nm Window size: 10 mm in diameter Length: ~430 mm

11 RESULTS FROM THE ACCEPTANCE TESTS IWTA 2012 IsotopeRare isotope/stable isotope (av. of 4 samples) Average statistical error ( ) Relative standard deviation ( ) Background level 14 C1.3 × 10 -12 2.43.71.7 × 10 -15 10 Be1.5 × 10 -12 12.36.62.6 × 10 -14 26 Al7.4 × 10 -11 7.612.53.7 × 10 -15 129 I1.2 × 10 -11 19.515.16.7 × 10 -14 For these measurements were used standard and background samples.

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

13 Graphitization system IWTA 2012 AGE – 3 (Developed by Swiss Federal Institute of Technology) Fully automated graphitisation system that uses a molecular sieve trap instead a cryotrap to transfer theCO 2 from sample combustion in an EA to the graphitisation reactors.* *L. Wacker, M. Nemec, J. Bourquin, Nuclear Instruments and Methods in Physics Research B 268 (2010) 931–934

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, C ă t ă lin C ă linescu Tandem technical team: Dorin Moisa, Constantin Cr ă ciun, Gheorghe Mihon, Gheorghe Ion, Cristian Florea, Cristian P ă un, Ionuț Brînzan, Gigi Naghel, Mihai Badea, Stancu Cojocaru, Viorel B ă trâneanu, Cristian Popescu and Laurențiu Povariu, Vasile Ceauselu AMS team: C ă t ă lin Stan-Sion, Mihaela En ă chescu, Alexandru Petre, Simona Constantin, Corina Uroseviteanu IWTA 2012

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


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