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WEPLS — Poster Session 28-Jun-06 16:00 - 18:00 R&D Status of the High-intense Monochromatic Low-energy Muon Source: PRISM PRISM is a project of a future intense lowenergy muon source, which combines monochromaticity and high purity. Its aimed intensity is about 10 11 -10 12 muons per second. The muon beams will have a low kinetic energy of 20MeV so that it would be optimized A. Sato, M. Aoki, Y. Arimoto, I. Itahashi, Y. Kuno, K. Kuriyama, T. Oki, T. Takayanagi, M. Yoshida (Osaka University) M. Aiba, C. Ohmori, T. Yokoi, K. Yoshimura (KEK) Y. Iwashita (Kyoto ICR) S. Machida (CCLRC/RAL/ASTeC) Y. Mori (KURRI) for the stopped muon experiments such as searching the muon lepton flavor violating processes. PRISM consists of a pion capture section, a pion/muon transfer section and a phase rotation ssection. An FFAG is used as the phase rotator to achieve the monochromatic muon beams. This paper will describe design status of these sections as well as construction status of PRISM-FFAG. Equivalent Velocity Spectroscopy Based on Femtosecond Electron Beam Accelerator A new femtosecond pulse radiolysis system, which is called as "Equivalent Velocity Spec- S. Takemoto, T. Kondoh, J. Yang, Y. Yoshida (ISIR) troscopy (EVS)" based on a photocathode rf linear accelerator and a femtosecond laser, is developed in ISIR for the study of primly process and ultrafast electron-induced reactions for the nanofabrication. In order to achieve a high time resolution on femtosecond scale, a femtosecond electron beam bunch produced by a photocathode accelerator and a synchronized femtosecond laser were used. The electron bunch and laser pulse were injected with an angle determined by the refractive index of the sample. The electron bunch was also rotated with a same angle, resulting in the time resolution degradation due to the velocity difference between light and the electron in the sample is thus avoided. A jitter compensation technique with a femtosecond streak camera was used to reduce the time jitter between the electron bunch and laser pulse. Moreover, in EVS, a technique of double laser pulse injection was used to improve the signal to noise ratio due to the fluctuation of the laser intensity during the measurement. Femtosecond Single-bunch Electron Linear Accelerator Based on a Photocathode RF Gun A femtosecond single-bunch electron linear accelerator based on a photocathode rf gun J. Yang, T. Kondoh, Y. Yoshida (ISIR) was developed in Osaka University for the study of radiation-induced ultrafast physical and chemical reactions. A 32 MeV single electron bunch with a bunch length of 98 fs in rms was generated successfully in the linear accelerator with a magnet bunch compressor. The dependences of the bunch length and the transverse emittance on the bunch charge were investigated experimentally and theoretically. The higher-order effects in the magnetic field were studied and compensated successfully by using a nonlinear energy-phase correlation in the bunch produced in the linear accelerator. By using the femtosecond electron bunch, an equivalent velocity spectroscopy with a synchronized femtosecond laser, as a new method with femtosecond time-resolution, was developed for study of the ultrafast reactions or phenomena on the femtosecond time scale. 349 WEPLS056 WEPLS057 WEPLS058
WEPLS059 WEPLS060 WEPLS061 28-Jun-06 16:00 - 18:00 WEPLS — Poster Session The PHIN Photoinjector for the CTF3 Drive Beam R. Losito, H.-H. Braun, N. Champault, E. Chevallay, V. Fedosseev, G. Suberlucq (<strong>CERN</strong>) G. Bienvenu, B.M. Mercier, C.P. Prevost, R. Roux (LAL) M. Divall, G.J. Hirst, G. Kurdi, W. E. Martin, I. O. Musgrave, I. N. Ross, E. L. Springate (CCLRC/RAL) 350 A new photoinjector for the CTF3 drive beam has been designed and is now being constructed by a collaboration from LAL, CCLRC and <strong>CERN</strong> within PHIN, the second Joint Research Activity of CARE. The photoinjector will provide a train of 2332 pulses at 1.5 GHz with a complex timing structure (sub-trains of 212 pulses spaced from one another by 333 ps or 999 ps) to allow the frequency multiplication scheme, which is one of the features of CLIC, to be tested in CTF3. Each pulse of 2.33 nC will be emitted by a Cs2Te photocathode deposited by a co-evaporation process to allow high quantum efficiency in operation (>3% for a minimum of 40 h). The 3 GHz, 2 1/2 cell RF gun has a 2 port coupler to minimize emittance growth due to asymmetric fields, racetrack profile of the irises and two solenoids to keep the emittance at the output below 20 pi.mm.mrad. The laser has to survive very high average powers both within the pulse train (15 kW) and overall (200 W before pulse slicing). Challenging targets are also for amplitude stability (
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Contents MOXPA — Linear Colliders
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Contents MOPCH056 Development of Hi
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Contents MOPCH140 Compensation of L
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Contents MOPLS020 Rad-hard Luminosi
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Contents MOPLS102 Beam Dynamic Stud
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TUOCFI — Accelerator Technology C
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Contents TUPCH074 Fast and Precise
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Contents TUPCH159 High Power Wavegu
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Contents TUPLS039 Proposal of a Nor
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Contents TUPLS127 Permanent Deforma
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Contents WEPCH020 Extending the Lin
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Contents WEPCH108 FFAG Computation
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Contents WEPCH192 Compact Electron
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Contents WEPLS078 Design Study of t
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THOPA — Synchrotron Light Sources
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Contents THPCH042 Numerical Estimat
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Contents THPCH124 Visual Programmin
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Contents THPLS008 Commissioning of
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Contents THPLS099 Fast Kicker Syste
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MOXPA — Linear Colliders, Lepton
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MOYBPA — Circular Colliders 26-Ju
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MOZBPA — Synchrotron Light Source
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WEYPA — Linear Colliders, Lepton
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WEOAPA — Linear Colliders, Lepton
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WEXFI — Beam Dynamics and Electro
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WEOFI — Beam Dynamics and Electro
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WEPCH — Poster Session 28-Jun-06
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Amro, A. THPLS043 An, D.H. TUPCH070
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Bates, D.A. WEPCH150 Battaglia, D.
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Bondarenko, A.V. MOPCH057, MOPCH073
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Campmany, J. THPLS053, THPLS134, TH
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Chung, C.C. TUPCH105 Chung, C.W. TU
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Della Mea, G. TUPLS016 Della Penna,
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Frisch, J.C. MOPLS081, TUYPA02, TUP
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Grabosch, H.-J. THPLS103 Gräf, H.-
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WEPCH095 Hershcovitch, A. TUPLS103
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Ischebeck, R. WEOAPA01 Ishi, Y. WEP
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WEPLS043, MOPLS080 Kan, K. WEPLS054
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Kurdi, G. WEPLS059 Kurennoy, S.S. T
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Lin, F. MOPCH100 Lin, F.-Y. THPCH18
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Mariette, C. THPLS102 Marinkovic, G
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Miyahara, Y. THPCH048 Miyajima, T.
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Neuenschwander, R.T. WEPCH005, THPC
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Owens, P.H. THPCH113 Oyaizu, M. TUP
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Plate, D.W. THPLS114 Plesko, M. WEI
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Reiche, S. MOPCH028, WEPCH150 Reich
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Saewert, G.W. TUPLS069 Safranek, J.
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TUPCH050, THPCH150 Schriber, H.J. W
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Simos, N. MOPCH138, TUPLS133, WEPCH
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Sun, Y. MOPLS089 Surrow, B. MOPLS05
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van Oudheusden, T. MOPCH058, MOPCH0
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TUPCH083 Welton, R.F. MOPCH129, TUP
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Yurkov, M.V. TUPCH081, THPLS133 Yus
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