PPT-Beam Induced heating and bunch length dependence

Jan Uythoven with input from RAssmann MBarnes FCaspers SClaudet HDay LGentini AGrudiev EMétral BSalvant CZannini Heating due to Beam Impedance. Outline. The CLIC feasibility issues in CTF3 – 2010 Objectives. Present . status & outlook. Drive Beam Generation. RF power production & structure tests. Two Beam Issues. Other issues. Operating scenario for 2010, conclusions. With the kind support of:. B. Mikulec, T. Bohl, B. Dehning, F. Roncarolo, M. Sapinski, Ch. Zamantzas, T. Lefevre, J. Belleman, D. Belohrad, . P. Odier, L. Soby, R. Steerenberg, J. Emery, E. Calvo, . A. Guerrero, H. Damerau, R. Steinhagen, S. Hancock, . Method. Take the filling scheme (or directly the FBCT data). Generate a bunch with the longitudinal distribution and bunch length of choice. “Convolve” this bunch with the filling scheme to obtain 1 machine turn in time domain (variations in bunch length, phase and/or intensity can be included at this point). . . KIM . Joon. . Yeon. , KIM Do . Gyun. , BHANG . Hyoung. Chan, KIM . Jong. Won. 1. , YUN Chong Chul. 2. Seoul National University, Department of Physics & Astronomy.  . 1. National Cancer Center.  . scheme of CEPC. ZHANG, Yuan and WANG, Dou. 2017-02-17. Head on collision . Small . Piwinski. Angle. Large . Piwinski. Angle. Head-on. Main Parameters of CEPC. (ver. 140416). PRE-CDR. Luminosity and lifetime for various . . monitor . for PS. Mariusz Sapinski, . Oliver Keller, . Emiliano. . Piselli. , Bernd . Dehning. - BE/BI. with input from: . Simone . Gilardoni. , Dominique . Bodart. , . Rende. . Steerenberg. ,. Multi-objective Optimization of the . Matching Beamline for External Injection . into a Laser-driven Plasma Accelerator. .. . ID # 287. E. Panofski. #. , R. W. Assmann, DESY Hamburg, Germany. Motivation . J. ü. rgen Pfingstner. 3. rd. September 2015. Content. Introduction. Beam physics. Photon production. Photon science. Poster session. Conclusions. 1. Introduction. Free electron laser conference 2015. Wakefield issues). ATF TB Mtg. 201502. K.Kubo. Intensity dependence of IP . b. eam size. Studies using on-mover structures. Beam size at IP. Orbit change. OTR . chamber wake. Some new . reports. Updated . J. Byrd, . S. De Santi. s, T. Luo, C. Pappas, E. San Mateo,. C. Steier, C. Sun, C. Swenson, W. Waldron. LBNL. Low Emittance Rings 2015 Workshop – ESRF September 15-17, 2015. Summary. S. De Santis – LER2015 Workshop, September 17. MHz line rate . Bernd Steffen. July. 2016. Electro-Optical bunch length Detection at. E-XFEL . Injector with 1 MHz bunch rate. For the Electro-Optical bunch length Detection (EOD) the electric field of the electron bunch is sampled with an fs laser pulse in an Gallium Phosphide crystal. . G. Iadarola, L. . Mether. , E. . Métral. , L. Sabato. Introduction. Instability dependence on the bunch intensity. Dipole magnets. Quadrupole magnets. Experimental observations with trains of 12b. Effect of the transverse emittance. Twiss . Parameters . in . the SNS linac. Andrei Shishlo. ORNL. SNS Project . Florence, Italy. November . 2015. Outline. Physics picture description. Harmonics analysis. Short RF cavity +drift+ BPM. Algorithm. SPS . Session. 28-Aug-2012. Q20 . instability. . improvement. TMCI . threshold. . expected. . at. 3.5. e. 11 for . low. vert chroma. Up to 4. e. 11 no TMCI . observed. Gives. . margin. to . reach.