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Chinese Physics C> 2010, Vol. 34> Issue(3) : 383-388 DOI: 10.1088/1674-1137/34/3/015

ATPF—a dedicated proton therapy facility

  • A proton therapy facility based on a linac injector and a slow-cycling synchrotron is proposed. To obtain good treatments for different cancer types, both the spot scanning method and the double-scattering method are adopted in the facility, whereas the nozzles include both gantry and fixed beam types. The proton accelerator chain includes a synchrotron of 250 MeV in maximum energy, an injector of 7 MeV consisting of an RFQ and a DTL linac, with a repetition rate of 0.5 Hz. The slow extraction using the third-order resonance and together with the RFKO method is considered to be a good method to obtain a stable and more-or-less homogenous beam spill. To benefit the spot scanning method, the extraction energy can be as many as about 200 between 60 MeV and 230 MeV. A new method—the emittance balancing technique of using a solenoid or a quadrupole rotator is proposed to solve the problem of unequal emittance in the two transverse planes with a beam slowly extracted from a synchrotron. The facility has been designed to keep the potential to be upgraded to include the carbon therapy in the future.

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    [1] . ZHOU L N, ZHANG M, LUO Z et al. HEP NP, 1998,22(11): 1042-1049 (in Chinese)2. FANG Shou-Xian, WEI Jie, FU Shi-Nian. The Conceptual Design of a Proton Rapid Cycling Medical Synchrotronfor Therapy. Proc. of 18th Int. Collaboration on Advanced Neutron Sources. Dongguan, April 2007: 692-7003. APTF Conceptual Design Report, IHEP-AC-IP-Note/2009-014. Abe M. Charged Particle Radiotherapy at the Hyogo Ion Beam Medical Center: Characteristics, Technology andClinical Results. Proc. of Japan Acad., 2007, Ser. B, 83:151-1635. Haberer T, Becher W, Schardt D, Kraft G. Nucl. Instrum.Methods in Phys. Res. A, 1993, 330: 296-3146. Pedroni E, Bacher R, Blattmann H et al. Medical Physics,1995, 22(1): 37-537. Yonai S, Kanematsu N, Komori M et al. Med. Phys., 2008,35(3): 927-9388. Slater J M, Archambeau J O, Miller D W et al. Int. J. Radn Oncology Biol. Phys., 1991, 22: 3839. Hiramoto K, Umezawa M, Saito K et al. Nucl. Instrum.Methods in Phys. Res. B, 2007, 261: 786-79010. Jongen Y, Kleeven W, Zaremba S. New Cyclotron Developments at IBA. Proc. of 17th Int. Conf. on Cyclotrons and Their Appl. Tokyo, 2004. 110-11411. Geisler A, Baumgarten C, Hobl A et al. Status report of the ACCEL 250 MeV Medical Cyclotron. Proc. of 17th Int.Conf. on Cyclotrons and Their Appl. Tokyo, 2004. 178-18212. Berra P, Mathot S, Szeless B et al. Study, Construction and Test of a 3 GHz Linac-Booster (LIBO) for Cancer Therapy.Proc. of EPAC 2000. Vienna, 2000. 2495-249713. Peggs S, Cardona J, Brennan M et al. RCMS-A Second Generation Medical Synchrotron. Proc. of PAC 2001.Chicago, 2001. 2482-248414. Mori Y. Developments of FFAG Accelerators. Proc. of 17thInt. Conf. on Cyclotrons and Their Appl. Tokyo, 2004. 217-22115. Trbojevic D, Courant E D, Blaskiewicz M. Phys. Rev. Spec.Topics-Acc. And Beams, 2005, 8: 05010116. FU S N, FANG S X, GUAN X L et al. Construction of aHigh Current RFQ for ADS Study. Proc. of LINAC 2006.Knoxville, 2006. 165-16717. PENG Jun, FU Shi-Nian. High Power Laser and Particle Beams, 2008, 20(4): 579-584 (in Chinese)18. Furukawa T, Noda K, Muramatsu M et al. Nucl. Instrum.Methods A, 2004, 522: 196-20419. Hardt W. Ultraslow Extraction out LEAR, PS/DL/LEARNote 81-6. 199820. TANG J Y, LIU L, YANG Z et al. Phys. Rev. Spec. Topics-Acc. and Beams, 2009, 12: 05010121. Furukawa T, Noda K. Nucl. Instrum. Methods A, 2006,565: 430-43822. Jongen Y, Abs M, Bailey J et al. Progress Report on the Construction of the Proton Therapy Equipment for MGH.Proc. of EPAC98. Stockholm, 1998. 2354-235623. Pedroni E, Bearpark R, Boehringer T et al. Z. Med. Phys.,2004, 14: 25-34

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FANG Shou-Xian, GUAN Xia-Ling, TANG Jing-Yu, CHEN Yuan, DENG Chang-Dong, DONG Hai-Yi, FU Shi-Nian, JIAO Yi, SHU Hang, OUYANG Hua-Fu, QIU Jing, SHI Cai-Tu, SUN Hong, WEI Jie, YANG Mei and ZHANG Jing. ATPF—a dedicated proton therapy facility[J]. Chinese Physics C, 2010, 34(3): 383-388. doi: 10.1088/1674-1137/34/3/015
FANG Shou-Xian, GUAN Xia-Ling, TANG Jing-Yu, CHEN Yuan, DENG Chang-Dong, DONG Hai-Yi, FU Shi-Nian, JIAO Yi, SHU Hang, OUYANG Hua-Fu, QIU Jing, SHI Cai-Tu, SUN Hong, WEI Jie, YANG Mei and ZHANG Jing. ATPF—a dedicated proton therapy facility[J]. Chinese Physics C, 2010, 34(3): 383-388.  doi: 10.1088/1674-1137/34/3/015 shu
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Received: 2009-04-13
Revised: 2009-05-06
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ATPF—a dedicated proton therapy facility

    Corresponding author: TANG Jing-Yu,
  • Received Date: 2009-04-13
  • Accepted Date: 2009-05-06
  • Available Online: 2010-03-05

Abstract: 

A proton therapy facility based on a linac injector and a slow-cycling synchrotron is proposed. To obtain good treatments for different cancer types, both the spot scanning method and the double-scattering method are adopted in the facility, whereas the nozzles include both gantry and fixed beam types. The proton accelerator chain includes a synchrotron of 250 MeV in maximum energy, an injector of 7 MeV consisting of an RFQ and a DTL linac, with a repetition rate of 0.5 Hz. The slow extraction using the third-order resonance and together with the RFKO method is considered to be a good method to obtain a stable and more-or-less homogenous beam spill. To benefit the spot scanning method, the extraction energy can be as many as about 200 between 60 MeV and 230 MeV. A new method—the emittance balancing technique of using a solenoid or a quadrupole rotator is proposed to solve the problem of unequal emittance in the two transverse planes with a beam slowly extracted from a synchrotron. The facility has been designed to keep the potential to be upgraded to include the carbon therapy in the future.

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