Now showing items 1-17 of 17

    • A novel electron gun for off-beam injection 

      Koubychine Merkulov, Youri Alexandrovich; Aloev, A.V.; Shvedunov, V.I.; Pakhomov, N.I. (2011)
      Conference lecture
      Open Access
      For certain type of electron accelerators injection from an off-axis cathode is required. This is the case of a racetrack microtron (RTM), in which the beam passes several times through the accelerating structure, or ...
    • Comissioning of the decelerator test beam line in CTF3 

      Adli, E; Döbert, Steffan; Lillestol, R; Olvegaard, M; Syratchev, I; Carrillo, David; Toral, Fernando; Faus-Golfe, Angeles; García-Garrigos, JJ; Koubychine Merkulov, Youri Alexandrovich; Montoro López, Gabriel (2010)
      Conference report
      Open Access
      The CLIC Test Facility (CTF3) at CERN was constructed by the CTF3 collaboration to study the feasibility of the concepts for a compact linear collider. The test beam line (TBL) recently added to the CTF3 machine was ...
    • Control system of a miniature 12 MeV race-track microtron 

      Koubychine Merkulov, Youri Alexandrovich; Blasco Argente, Vicente Pablo; Romero, Juan Antonio; Sánchez, Alexandre; Montoro López, Gabriel; Shvedunov, Vasiliy (2014)
      Conference lecture
      Open Access
      A simple control system has been developed for the commissioning of a compact 12 MeV race-track microtron which is under construction at the Technical University of Catalonia. It is of modular structure and is based ...
    • Current status of the 12 MeV UPC race-track microtron 

      Koubychine Merkulov, Youri Alexandrovich; Berenguer Sau, Jordi; Crisol, A; Gonzalez, Xavier; Montoro López, Gabriel; Rigla Perez, Juan Pablo; Roure Fernández, Francisco; Carrillo, David; Garcia-Tabares, Luis; Toral, F; Lucas, J; Aloev, A.V.; Shvedunov, V.I. (2009)
      Conference lecture
      Open Access
      A com­pact race-track mi­crotron (RTM) with the max­i­mal out­put en­er­gy 12 MeV is under con­struc­tion at the Uni­ver­si­tat Politècnica de Catalun­ya (UPC) in col­lab­o­ra­tion with the Sko­belt­syn In­sti­tute of ...
    • Design and magnetic measurements of the extraction magnet for 55 MeV race-track microtron 

      Ermakov, A.N.; Khankin, V.A; Koubychine Merkulov, Youri Alexandrovich; Pakhomov, N.I.; Rigla Perez, Juan Pablo; Shvedunov, V.I. (2011-04-01)
      External research report
      Open Access
      We describe results of optimization of the extraction magnet of a 55 MeV Race- Track Microtron (RTM). Because of small spacing between the RTM orbits special attention has been paid to optimization of magnetic screens ...
    • End magnets with rare earth permanent magnet material for a compact race-track microtron 

      Vladimirov, Ivan; Pakhomov, Nikolai; Shvedunov, Vasiliy; Koubychine Merkulov, Youri Alexandrovich; Rigla Perez, Juan Pablo; Zakharov, Vitaliy (2014-12-23)
      Article
      Restricted access - publisher's policy
      The design and tuning of end magnets of a compact 12MeV race-track microtron (RTM) which is under construction at the Technical University of Catalonia are described. These magnets are systems composed of four dipoles with ...
    • Failure mode and effect analysis oriented to risk-reduction interventions in intraoperative electron radiation therapy: The specific impact of patient transportation, automation, and treatment planning availability 

      López Tarjuelo, J.; Bouché Babiloni, Ana; Santos Serra, Agustín; Morillo Macías, Virginia; Calvo Manuel, Felipe A.; Koubychine Merkulov, Youri Alexandrovich; Ferrer Albiach, Carlos (2014-11-24)
      Article
      Restricted access - publisher's policy
      Background and purpose: Industrial companies use failure mode and effect analysis (FMEA) to improve quality. Our objective was to describe an FMEA and subsequent interventions for an automated intraoperative electron ...
    • Laser wire emittance measurement line at CLIC 

      Garcia, Hector; Koubychine Merkulov, Youri Alexandrovich; Blair, Grahame; Aumeyr, T; Schulte, Daniel; Shvedunov, V.I. (2012)
      Conference lecture
      Open Access
      A precise measurement of the transverse beam size and beam emittances upstream of the final focus is essential for ensuring the full luminosity at future linear colliders. A scheme for the emittance measurements at the ...
    • Monte Carlo simulation of the total dose distribution around the 12 MeV UPC race-track microtron and radiation shielding calculations 

      De la Fuente, Cristina; Duch Guillen, María Amor; Koubychine Merkulov, Youri Alexandrovich; Shvedunov, V.I. (2012)
      Conference lecture
      Open Access
      The Technical University of Catalonia is building a miniature 12 MeV electron race-track microtron for medical applications. In the paper we study the leakage radiation caused by beam losses inside the accelerator head, ...
    • Performance of the magnetic system of a 12 MeV UPC race-track microtron 

      Koubychine Merkulov, Youri Alexandrovich; Rigla Perez, Juan Pablo; Shvedunov, V.I.; Pakhomov, N.I. (2012)
      Conference lecture
      Open Access
      The per­for­mance of the mag­netic sys­tem of a 12 MeV elec­tron race-track mi­cro­tron (RTM) which is under con­struc­tion at the Uni­ver­si­tat Politècnica de Catalunya (UPC) is de­scribed. The RTM mag­netic sys­tem ...
    • Quadrupole lens and extraction magnets of a compact race-track microtron 

      Vladimirov, Ivan; Pakhomov, Nikolai; Shvedunov, Vasiliy; Koubychine Merkulov, Youri Alexandrovich; Rigla Perez, Juan Pablo; Zakharov, Vitaliy (2014-08-26)
      Article
      Restricted access - publisher's policy
      The compact race-track microtron (RTM) with a maximum energy of 12 MeV that is under construction at the Technical University of Catalonia consists of a quadrupole lens for horizontal focusing of the beam and four dipole ...
    • Quadrupole lens and extraction magnets of a miniature race-track microtron 

      Vladimirov, Ivan; Pakhomov, Nikolai; Shvedunov, Vasiliy; Zakharov, Vitaliy; Koubychine Merkulov, Youri Alexandrovich; Rigla Perez, Juan Pablo (2014)
      Conference lecture
      Open Access
      A compact 12 MeV race-track microtron (RTM) which is under construction at the Technical University of Catalonia includes a quadrupole magnet for horizontal beam focusing and four dipole magnets for beam extraction. ...
    • Race-track microtron with pulse-to-pulse beam energy switch 

      Koubychine Merkulov, Youri Alexandrovich; Shvedunov, Vasiliy; Vladimirov, Ivan (2017)
      Conference lecture
      Open Access
      A race-track microtron with a few beam orbits can be an alternative to a standard electron linear accelerator in a number of applications in which high beam power is not needed, like radiation therapy, industrial radiography ...
    • Rare-earth end magnets of a miniature race-track microtron and their tuning 

      Vladimirov, Ivan; Pakhomov, Nikolai; Shvedunov, Vasiliy; Zakharov, Vitaliy; Koubychine Merkulov, Youri Alexandrovich; Rigla Perez, Juan Pablo (2014)
      Conference lecture
      Open Access
      We report basic results on the tuning of permanent end magnets of a compact 12 MeV race-track microtron (RTM) which is under construction at the Technical University of Catalonia. They are magnetic systems composed of ...
    • RF and accelerating structure of 12 MeV UPC race-track microtron 

      Koubychine Merkulov, Youri Alexandrovich; Gonzalez, Xavier; Montoro López, Gabriel; Carrillo, David; Garcia-Tabares, Luis; Toral, Fernando; Mathot, Serge Jean; Shvedunov, V.I. (2012)
      Conference lecture
      Open Access
      We describe the design and technical characteristics of a C-band SW accelerating structure of a 12 MeV race-track microtron, which is under construction at the Technical University of Catalonia, and its RF system with a ...
    • Simulations of emittance measurement at CLIC 

      Koubychine Merkulov, Youri Alexandrovich; Garcia, Hector; Marin Lacoma, Eduard; Schulte, Daniel; Stulle, Frank (2011)
      Conference lecture
      Open Access
      A proposal for a CLIC emittance measurement line using laser-wire beam profile monitors is presented. Results of simulations and optimizations are given. Estimates of the impact of beam size as well as statistical and ...
    • Thermo-fluid study of the upc race-track microtron cooling system 

      Escaler Puigoriol, Francesc Xavier; Koubychine Merkulov, Youri Alexandrovich; Blasco Argente, Vicente Pablo; Romero Perea, Juan Antonio; Sánchez Díaz, Alexandre; Prieto, M.; Shvedunov, V.I. (2016)
      Conference lecture
      Open Access
      The cooling system of the race-track microtron (RTM), which is under construction at the Universitat Politècnica de Catalunya (UPC), has been simulated by means of a computational fluid dynamics (CFD) software. The hydraulic ...