Paper |
Title |
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TUPRO091 |
Simple Characterization Method of Small High Gradient Permanent Magnet Quadrupoles |
1250 |
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- C. Ronsivalle, L. Picardi, M. Vadrucci
ENEA C.R. Frascati, Frascati (Roma), Italy
- F. Ambrosini
URLS, Rome, Italy
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The application of quadrupoles with high or ultra-high gradient and small apertures requires a precise control over harmonic components of the field. A simple, fast, low cost measurement method on small size PMQs (Permanent Magnet Quadrupoles) is described. It is based on the same principle of the familiar "rotating coil technique", but in this case, profiting of the small dimensions of the PMQ, it consists in rotating the PMQ itself instead of the coil. In such way a gain on accuracy and measure time is obtained. It has been applied to characterize a set of commercial PMQs with a gradient around 200 T/m and an internal radius of 3.5 mm to be mounted in a SCDTL (Side Coupled Drift Tube Linac) structure for the acceleration of a proton beam from 7 to 12 MeV. This structure has been developed in the framework of the Italian TOP-IMPLART (Intensity Modulated Proton Linear Accelerator for Radiotherapy) Project
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2014-TUPRO091
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WEPRO086 |
Experimental Activity in the ENEA-Frascati Irradiation Facility with 3-7 MeV Protons |
2156 |
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- M. Vadrucci, A. Ampollini, F. Bonfigli, M.C. Carpanese, F. Marracino, R.M. Montereali, P. Nenzi, L. Picardi, M. Piccinini, C. Ronsivalle, V. Surrenti, M.A. Vincenti
ENEA C.R. Frascati, Frascati (Roma), Italy
- F. Ambrosini
URLS, Rome, Italy
- M. Balduzzi, C. Marino, C. Snels
ENEA Casaccia, Roma, Italy
- M. Balucani, A. Klyshko
University of Rome "La Sapienza", Rome, Italy
- C. De Angelis, G. Esposito, M.A. Tabocchini
ISS, Rome, Italy
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A variable energy (3-7 MeV) and pulsed current (0.1 – 100 μA) proton beam has been made available for different applications (radiobiology experiments, detectors development, material studies) in an irradiation facility at ENEA-Frascati based on the 7 MeV injector of the protontherapy linac under realization in the framework of the TOP-IMPLART Project. It is a 425 MHz linear accelerator consisting in a 3 MeV RFQ followed by a DTL up to 7 MeV (PL-7 ACCSYS-HITACHI model) followed by an horizontal and a vertical beam transport line. The latter one is particularly suitable for radiobiology in vitro studies allowing to irradiate besides cell monolayes also cell growing in suspension culture. The paper describes the facility and the recent results of the experimental activity.
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2014-WEPRO086
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THPME016 |
Experimental Results on SCDTL Structures for Protons |
3247 |
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- L. Picardi, A. Ampollini, G. Bazzano, P. Nenzi, C. Ronsivalle, V. Surrenti, M. Vadrucci
ENEA C.R. Frascati, Frascati (Roma), Italy
- F. Ambrosini
URLS, Rome, Italy
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The medium-energy section of the proton linear accelerator for radiotherapy under realization in the framework of the TOP-IMPLART Project consists in a high frequency 7-35 MeV SCDTL (Side Coupled Drift Tube Linac) structure. The structure, made of 4 modules supplied by one klystron, has been completely designed. The first module up to 11.6 MeV has been built and is under commissioning at ENEA-Frascati and the second and third modules are under realization. The paper describes the system and presents the main results of the experimental activity on this part of the accelerator.
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2014-THPME016
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