{"id":3184,"date":"2020-08-26T15:39:45","date_gmt":"2020-08-26T06:39:45","guid":{"rendered":"http:\/\/localhost:8888\/accl\/?page_id=3184"},"modified":"2024-03-28T13:12:02","modified_gmt":"2024-03-28T04:12:02","slug":"previoussemi17","status":"publish","type":"page","link":"https:\/\/kekacclserver.kek.jp\/accl\/seminar\/previoussemi17","title":{"rendered":"\u5e73\u621017\u5e74\u5ea6\u30002005.4 ~ 2006.3"},"content":{"rendered":"

Accel. Lab. Seminars \u2013 Heisei 17th<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u65e5\u4ed8
Date<\/td>\n		\u66dc\u65e5
Day<\/td>\n		\u6642\u9593
Time<\/td>\n		\u5834\u6240
Venue<\/td>\n		\u8b1b\u5e2b (\u6240\u5c5e)
Speaker (Affiliation)<\/td>\n		\u8b1b\u6f14\u984c\u76ee
Title<\/td>\n		\u4e16\u8a71\u4eba
Contact<\/td>\n		\u5185\u5bb9
Abstract<\/td>\n<\/tr>\n
\n2006\/03\/23\n<\/td>\nTue.<\/td>\n13:30-<\/td>\n3\u53f7\u9928\uff17\u968e\u4f1a\u8b70\u5ba4<\/td>\nCERN Walter Wuensch <\/p>\n

SLAC Valery Dolgashev<\/p>\n<\/td>\n

"The CLIC High-Gradient Development Program" <\/p>\n

"High gradient activities at SLAC"\n<\/p>\n<\/td>\n

\u80a5\u5f8c\u5bff\u6cf0<\/td>\n\u3000<\/td>\n<\/tr>\n
2006\/03\/14<\/td>\nTue.<\/td>\n16:00-<\/td>\n1\u53f7\u9928\u8ac7\u8a71\u5ba4<\/td>\n\u837b\u91ce\u6643\u4e5f\u6c0f\uff08\u96fb\u78c1\u6ce2\u74b0\u5883\u7814\u7a76\u6240\uff09<\/td>\n\u96fb\u78c1\u6ce2\u554f\u984c\u300d\u306e\u73fe\u72b6\u306b\u3064\u3044\u3066<\/td>\n\u83c5\u4e95\u52f2<\/td>\n\u96fb\u78c1\u6ce2\u306b\u306f\u96fb\u96e2\u653e\u5c04\u7dda\u3068\u975e\u96fb\u96e2\u653e\u5c04\u7dda\u3068\u304c\u3042\u308a\u3001\u9759\u96fb\u78c1\u5834\u304b\u3089\u30ac\u30f3\u30de\u7dda\u307e\u3067\u306e\u7a2e\u3005\u306e \u653e\u5c04\u7dda\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u4e00\u822c\u306b\u300c\u96fb\u78c1\u6ce2\u554f\u984c\u300d\u3068\u8a00\u308f\u308c\u3066\u3044\u308b\u306e\u306f\u3001\u5468\u6ce2\u6570\u3067\uff13\uff10\uff10\uff27 \uff28\uff5a\u4ee5\u4e0b\u306e\u3001\u3044\u308f\u3086\u308b\u300c\u96fb\u6ce2\u300d\u306b\u76f8\u5f53\u3059\u308b\u9818\u57df\u306e\u96fb\u78c1\u6ce2\u306e\u554f\u984c\u3092\u8a00\u3044\u307e\u3059\u3002\uff2b\uff25\uff2b\u306b \u306f\u3001\u305d\u308c\u3089\u306e\u96fb\u78c1\u6ce2\u304c\u591a\u7528\u3055\u308c\u3066\u3044\u308b\u3068\u601d\u308f\u308c\u307e\u3059\u306e\u3067\u3001\u6700\u8fd1\u306e\u96fb\u78c1\u6ce2\u554f\u984c\u306b\u95a2\u3059\u308b \u73fe\u72b6\u3092\u77e5\u308b\u3053\u3068\u306f\u3001\u8eab\u306e\u56de\u308a\u306e\u74b0\u5883\u554f\u984c\u306e\uff11\u3064\u3068\u3057\u3066\u3082\u610f\u5473\u306e\u3042\u308b\u3053\u3068\u306e\u69d8\u306b\u601d\u3044\u307e \u3059\u3002 \u300c\u96fb\u78c1\u6ce2\u554f\u984c\u300d\u306e\u6b74\u53f2\u7684\u306a\u7d4c\u904e\u3092\u8e0f\u307e\u3048\u3064\u3064\u3001\u5f71\u97ff\u306a\u3069\u306b\u95a2\u3059\u308b\u6700\u8fd1\u306e\u7814\u7a76\u72b6\u6cc1\u3092\u7d39 \u4ecb\u3057\u306a\u304b\u3089\u3001\u73fe\u72b6\u3084\u4eca\u5f8c\u306e\u52d5\u5411\u306a\u3069\u306b\u89e6\u308c\u305f\u3044\u3068\u601d\u3063\u3066\u3044\u307e\u3059\u3002\u7279\u306b\u3001\uff11\uff19\uff19\uff16\u5e74\u304b \u3089\u884c\u308f\u308c\u3066\u3044\u308b\u4e16\u754c\u4fdd\u5065\u6a5f\u95a2\uff08\uff37\uff28\uff2f\uff09\u306e\u30af\u30e9\u30a4\u30c6\u30ea\u30a2\uff08\uff25\uff28\uff23\uff09\u4f5c\u6210\u304c\u7d42\u76e4\u3092\u8fce\u3048 \u3066\u3044\u308b\u4e2d\u3067\u3001\u300c\u4e88\u9632\u539f\u5247\u300d\u306a\u3069\u306e\uff12\uff11\u4e16\u7d00\u306e\u65b0\u3057\u3044\u74b0\u5883\u601d\u60f3\u304c\u5730\u7403\u74b0\u5883\u554f\u984c\u3084\u96fb\u78c1\u6ce2 \u554f\u984c\u306a\u3069\u3092\u4e2d\u5fc3\u3068\u3057\u3066\u6025\u6d6e\u4e0a\u3057\u3066\u3044\u308b\u80cc\u666f\u306a\u3069\u3092\u3082\u7d39\u4ecb\u3059\u308b\u4e88\u5b9a\u3067\u3059\u3002<\/td>\n<\/tr>\n
2006\/03\/08<\/td>\nWed.<\/td>\n13:30-<\/td>\n\uff12\u53f7\u9928\uff12\u968e\u4f1a\u8b70\u5ba4<\/td>\nEugene. Perevedentsev\u6c0f<\/td>\ne+e- Collider VEPP-2000 for Round Colliding Beams at Novosibirsk: Goals e+and Status<\/td>\n\u3000<\/td>\nThe concept of round colliding beams is presented, comparison to flat colliding beams is discussed. The main design features of the new e+e- collider VEPP-2000 at Novosibirsk BINP are described, physics goals and current status of the machine are reported.<\/td>\n<\/tr>\n
2006\/03\/03<\/td>\nFri.<\/td>\n14:00-<\/td>\n\uff12\u53f7\u9928\uff12\u968e\u4f1a\u8b70\u5ba4<\/td>\nDr. Kevin Brown (BNL)<\/td>\nProducing micro-bunched beams for rare K-decay experiments<\/td>\n\u51a8\u6fa4\u6b63\u4eba<\/td>\nRare K-decay experiments, particularly neutral decays with very small branching ratios, need to be able to resolve the Kaon momentum in order to kinematically reject background events from larger branching ratio decay modes. One simple way to resolve the Kaon momentum is through time of flight measurements. Producing a high frequency bunched beam (25 MHz) with very short bunches (200-300 psec) is necessary to get the required momentum resolution and kinematic rejection levels needed in a real experiment. The actual frequency and bunch lengths required depend somewhat on the detector geometry, of course. In this talk I will describe the motivations for the bunched beams, the micro-bunching technique as proposed to have been done at the AGS, and methods of producing micro-bunched beams at JPARC.\n<\/td>\n<\/tr>\n
2006\/02\/02<\/td>\nTue.<\/td>\n13:30-<\/td>\n\uff12\u53f7\u9928\uff12\u968e\u4f1a\u8b70\u5ba4<\/td>\nJohn FLANAGAN\u6c0f<\/td>\nSummary of recent electron cloud sideband studies at KEKB<\/td>\n\u5927\u898b<\/td>\nAs reported last year, vertical betatron sidebands have been observed in the KEKB LER which may be signatures of fast head-tail instability due to electron clouds, and which are also associated with a loss of luminosity during collision. The results of further studies on the behavior of the sidebands under varying beam conditions will be discussed. <\/td>\n<\/tr>\n
2006\/01\/27<\/td>\nFri.<\/td>\n10:00 ~ 10:30, 10:30 ~ 11:00<\/td>\n\uff13\u53f7\u99287\u968e\u4f1a\u8b70\u5ba4<\/td>\nDr. Dieter Proch, Dr.Waldemar Singer<\/td>\n"Status of the EURO-XFEL and its connection to the ILC activities" by Dr. Dieter Proch "Advanced methods of cavity fabrication: hydroforming, large grain cavity" by Dr. Waldemar Singer<\/td>\n\u9f4a\u85e4\u5065\u6cbb<\/td>\nXFEL\u306e\u73fe\u72b6\u3001DESY\u3067\u306eadvanced cavity fabrication\u306e\u60c5\u5831\u304c\u5f97\u3089\u308c\u307e\u3059\u3002 <\/td>\n<\/tr>\n
2005\/12\/8<\/td>\nThu.<\/td>\n13:30 – 15:00<\/td>\n2 Gokan building, 2nd floor, Meeting room (No.203)<\/td>\nDr. Christopher K.Allen (Los Alamos National Laboratory)\n<\/td>\nBunched Beam Envelope Simulation with Space Charge
\nwithin the SAD Environment\n<\/td>\n		\u53e4\u5ddd\u548c\u6717<\/td>\nThe capability for simulating the envelopes of three-dimensional (bunched) beams has been implemented in the SAD accelerator modeling environment. The simulation technique itself is similar to that of other common envelope codes, such as Trace3D, TRANSPORT, and the XAL online model. Specifically, we follow the second-order statistics of the beam distribution rather than tracking individual particles. If we assume that the beam maintains ellipsoidal symmetry in phase space, we can include the first order effects due to space charge using a semi-analytic model. This is the attractive characteristic of envelope codes, since it greatly reduces computational time. This new feature of SAD is implemented primarily in the SADScript interpreted language, with only a small portion appearing as compiled code. As such, the simulation does run slower than other compiled envelope codes such as TRACE3D or XAL, however, as interpreted code it does have the benefit of being easily modified. We demonstrate use of the new feature and present example simulations of the J-PARC linear accelerator section. <\/td>\n<\/tr>\n
2005\/11\/24<\/td>\nThu.<\/td>\n13:30-<\/td>\n\uff12\u53f7\u9928\uff16\u968e\uff16\uff10\uff11\u5ba4<\/td>\n\u4e0b\u5d0e\u7fa9\u4eba<\/td>\nQuasi-Adiabatic Transition Crossing<\/td>\n\u3000<\/td>\n\u7c92\u5b50\u306e\u30a8\u30cd\u30eb\u30ae\u30fc\u304c\u30c8\u30e9\u30f3\u30b8\u30b7\u30e7\u30f3\u30a8\u30cd\u30eb\u30ae\u30fc\u8fd1\u508d\u306b\u306a\u308b\u3068\u3001 \u7279\u7570\u306a\u30b7\u30f3\u30af\u30ed\u30c8\u30ed\u30f3\u632f\u52d5\u306b\u3088\u3063\u3066\u30d0\u30f3\u30c1\u306e\u5f62\u72b6\u304c\u8457\u3057\u304f \u5909\u578b\u3055\u308c\u308b\uff08\u975e\u65ad\u71b1\u73fe\u8c61\uff09\u3002\u5186\u5f62\u52a0\u901f\u5668\u306b\u304a\u3044\u3066\u7c92\u5b50\u304c \u30c8\u30e9\u30f3\u30b8\u30b7\u30e7\u30f3\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u901a\u904e\u3059\u308b\u5834\u5408\u3001\u3053\u306e\u975e\u65ad\u71b1\u73fe\u8c61\u304c \u30d3\u30fc\u30e0\u30ed\u30b9\u306e\u539f\u56e0\u3068\u306a\u308b\u8af8\u73fe\u8c61\u3092\u5f15\u304d\u8d77\u3053\u3059\u3002 \u73fe\u5728\u3001RF\u96fb\u5727\u307e\u305f\u306f\u30d0\u30ea\u30a2\u96fb\u5727\u3067\u30d3\u30fc\u30e0\u3092\u9589\u3058\u8fbc\u3081\u3001 \u30b9\u30c6\u30c3\u30d7\u96fb\u5727\u3067\u30d3\u30fc\u30e0\u3092\u52a0\u901f\u3059\u308b\u3001\u7e26\u65b9\u5411\u6a5f\u80fd\uff08\u52a0\u901f\u30fb\u9589\u3058\u8fbc\u3081\uff09 \u5206\u96e2\u578b\u52a0\u901f\u5668\u304cKEK-PS\u3067\u5b9f\u8a3c\u3055\u308c\u3064\u3064\u3042\u308b\u3002 \u30d3\u30fc\u30e0\u306e\u8ecc\u9053\u3092\u4fdd\u6301\u3059\u308b\u70ba\u306e\u52a0\u901f\u304c\u30b9\u30c6\u30c3\u30d7\u96fb\u5727\u3067\u884c\u308f\u308c\u308b\u70ba\u3001 \u9589\u3058\u8fbc\u3081\u96fb\u5727\u306f\u4efb\u610f\u306b\u64cd\u4f5c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u81ea\u7531\u306a\u30d0\u30f3\u30c1\u5236\u5fa1\u304c \u53ef\u80fd\u3068\u306a\u308b\u3002\u305d\u3053\u3067\u3001\u3053\u306e\u7e26\u65b9\u5411\u6a5f\u80fd\u5206\u96e2\u6027\u3092\u5229\u7528\u3057\u3066 \u30c8\u30e9\u30f3\u30b8\u30b7\u30e7\u30f3\u30a8\u30cd\u30eb\u30ae\u30fc\u8fd1\u508d\u306b\u304a\u3051\u308b\u975e\u65ad\u71b1\u73fe\u8c61\u3092\u6291\u5236\u3059\u308b\u65b9\u6cd5\u3092 \u7406\u8ad6\u30fb\u5b9f\u9a13\u306e\u4e21\u9762\u304b\u3089\u691c\u8a3c\u3057\u305f\u306e\u3067\u5831\u544a\u3059\u308b\u3002 < http:\/\/ccwww.kek.jp\/confdb\/detail.php?CID=ACPH22 > < http:\/\/ccwww.kek.jp\/confdb\/detail_e.php?CID=ACPH22 ><\/td>\n<\/tr>\n
2005\/11\/22<\/td>\nTue.<\/td>\n13:30-<\/td>\n4\u53f7\u9928\uff11\u968e\u4f1a\u8b70\u5ba4<\/td>\nGanapati Rao Myneni
\nJefferson Lab<\/td>\n		Single Crystal \u30df Large Grain High RRR Niobium<\/td>\n\u9f4a\u85e4\u5065\u6cbb\u300d<\/td>\nThe International Linear Collider requires high performance Superconducting Radio Frequency Accelerator Structures in order to be cost effective and for successful implementation. Single Crystal or Large Grain high RRR niobium seems to offer several advantages in comparison to the conventional polycrystalline high RRR niobium. This talk compares the physical and mechanical properties of three types of niobium: conventional, high Tantalum content and Single Crystal \u30df Large Grain high RRR niobium. The RF performance characteristics of the cavities made from all these three kinds of niobium are also presented in this talk. <\/td>\n<\/tr>\n
2005\/11\/22<\/td>\nTue.<\/td>\n13:30-<\/td>\n3\u53f7\u99285\u968e\u4f1a\u8b70\u5ba4<\/td>\nZhou(\u5468) Zusheng\n<\/td>\nIntroduction to IHEP Klystron R&D<\/td>\n\u798f\u7530\u8302\u6a39<\/td>\n<\/td>\n<\/tr>\n
2005\/10\/27<\/td>\nFri.<\/td>\n13:30-<\/td>\n\uff12\u53f7\u9928\uff12\u968e\uff12\uff10\uff13\u5ba4<\/td>\nFrank Zimmermann \u6c0f<\/td>\nBeam-beam wire compensation and crab cavities for Super-LHC<\/td>\n<\/td>\nI review ongoing studies of an LHC upgrade\u3000("Super-LHC"), in particular wire-based beam-beam compensation, emittance growth due to noise, and requirements for LHC crab cavities.
\n< http:\/\/ccwww.kek.jp\/confdb\/detail.php?CID=ACPH21>
\n<http:\/\/ccwww.kek.jp\/confdb\/detail_e.php?CID=ACPH21><\/td>\n<\/tr>\n
2005\/11\/10<\/td>\nThu.<\/td>\n10:00-<\/td>\n\uff11\u53f7\u9928\u8ac7\u8a71\u5ba4<\/td>\n\u5c71\u6839\u3000\u529f\u3000\u6c0f<\/td>\nPresent Status and Next Step – POP Experiment of Laser Stripping Using BNL 200MeV H- Beam<\/td>\n\u4f50\u85e4 <\/p>\n<\/td>\nBNL200MeV H-\u30d3\u30fc\u30e0\u3092\u7528\u3044\u308b\u30ec\u30fc\u30b6\u30fc\u30b9\u30c8\u30ea\u30c3\u30d4\u30f3\u30b0\u306e\u5b9f\u8a3c\u5b9f\u9a13\u201d\u306f\u65e5\u7c73 \u5354\u529b\u4e8b\u696d\u306e\u4e00\u74b0\u3068\u3057\u3066KEK\u3068BNL\u306e\u5171\u540c\u7814\u7a76\u3067\u63a8\u9032\u3055\u308c\u3066\u3044\u308b\u3002\u5b9f\u9a13\u30d3\u30fc\u30e0\u30e9\u30a4\u30f3 \u306fBNL\u306e200MeV LINAC REF Beam Line\u306b\u5efa\u8a2d\u3055\u308c\u3001\u3053\u306e\u6625\u5b8c\u6210\u3057\u305f\u3002\uff16\u6708\u672b\u306b\u306f \u3088\u3046\u3084\u304f\u6700\u521d\u306e200MeV H-\u30d3\u30fc\u30e0\u306e\u4f9b\u7d66\u3092\u53d7\u3051\u3001H0\u30d3\u30fc\u30e0\u751f\u6210\u3084\u30ec\u30fc\u30b6\u30fc\u30d3\u30fc\u30e0 \u3068\u306e\u885d\u7a81\u304c\u8a66\u307f\u3089\u308c\u305f\u3002\u6700\u521d\u306e\u30d3\u30fc\u30e0\u30bf\u30a4\u30e0\u3067\u3042\u308a\u3001\u5341\u5206\u306a\u5b9f\u9a13\u6761\u4ef6\u304c\u5b9f\u73fe\u51fa\u6765 \u305a\u3001\u7d50\u679c\u3092\u5f97\u308b\u6240\u307e\u3067\u5230\u9054\u51fa\u6765\u306a\u304b\u3063\u305f\u304c\u3001\u3068\u3082\u304b\u304f\u30d3\u30fc\u30e0\u30bf\u30a4\u30e0\u3092\u53d6\u308c\u308b\u6bb5\u968e \u306b\u9054\u3059\u308b\u3053\u3068\u304c\u51fa\u6765\u305f\u3002\u3053\u306e\u5831\u544a\u3067\u306f\u3001\u5b9f\u9a13\u306e\u73fe\u72b6\u3068\u4eca\u5f8c\u306e\u8a08\u753b\u306b\u3064\u3044\u3066\u5831\u3059\u308b\u3002 <\/td>\n<\/tr>\n
2005\/10\/18<\/td>\nTue.<\/td>\n16:00-<\/td>\n\uff14\u53f7\u9928\uff13\u968e\uff13\uff14\uff15\u5ba4<\/td>\nV.M. Biryukov\u6c0f \u3001Y.A. Chesnokov\u6c0f<\/td>\nCrystal Channeling as a Tool to Steer Particle Beams<\/td>\n<\/td>\nBent single crystals can trap and deflect particle beams. This technique has been applied in a vast range of energies, from 5 MeV to 980 GeV, with achieved bending angles of up to 150 mrad. In IHEP Protvino the efficiency of crystal channeling aplied for extraction from 70-GeV accelerator has reached 85% with extracted-beam intensity of over 10^12 proton per spill of 1 s duration. We describe the progress of this technique in experiments done at CERN SPS, IHEP U-70, RHIC (BNL) and Tevatron (FNAL)and outline possible applications. <\/td>\n<\/tr>\n
2005\/09\/28<\/td>\nWed.<\/td>\n13:30-<\/td>\n\uff12\u53f7\u9928\uff16\u968e\uff16\uff10\uff11\u5ba4<\/td>\nD. Shatilov\u6c0f<\/td>\nBeam Tails Simuration for KEKB<\/td>\n<\/td>\nWe combined two beam-beam tracking codes, BBSS (author K.Ohmi and M. Tawada) and Lifetrac (author D.Shatilov), to simulate the beam tails in a "weak-strong"model with non-Gaussian "strong" beam. We discuss the method, the results of various tests and present the simulation results for KEKB in the current operating conditions and for Super-KEKB. (http:\/\/ccwww.kek.jp\/confdb\/detail.php?CID=ACPH19)
\n(http:\/\/ccwww.kek.jp\/confdb\/detail_e.php?CID=ACPH19) <\/td>\n<\/tr>\n
2005\/09\/08<\/td>\nTue.<\/td>\n13:30-<\/td>\n\uff12\u53f7\u9928\uff12\u968e\u4f1a\u8b70\u5ba4<\/td>\nD.V. Pestrikov\u6c0f<\/td>\nDipole beam breakup electron cloud instability of a relativistic positron bunch with a smooth model linear density\n<\/td>\n<\/td>\nWe study the beam breakup instability of the dipole coherent oscillations of the relativistic positron bunch interacting with initially unperturbed electron cloud. We assume a special distribution of the linear density of positrons along the bunch which enables the calculations of analytic solutions of the linearized equations of motion of the cloud electrons. With these assumptions equations describing centroid beam breakup oscillations of the cloud and of the bunch can be solved taking into account effects of the cloud pinching and associated BNS damping. Although the BNS damping does not eliminate the electron cloud instability of coherent oscillations of the bunch, it changes the dependencies of the coherent oscillation amplitudes on the time from the quasi-exponential to the power function ones.
\n
\n\n<\/td>\n<\/tr>\n
2005\/08\/23<\/td>\nTue.<\/td>\n14:30-<\/td>\nRoom 345 in the building 4, 3rd floor<\/td>\nDr. Malika Meddahi(Vice Chairperson of the CNGS construction team, CERN)<\/td>\nStatus of the CNGS project<\/td>\n\u7530\u4e2d\u4e07\u535a4792<\/td>\nStatus of the CNGS project by Malika Meddahi (CERN\/AB) The CERN neutrinos to Gran Sasso (CNGS) project, presently under construction, is a collaboration between CERN and the Gran Sasso Laboratory in Italy, with the aim to study neutrino oscillations in a long base-line experiment. An intense proton beam is extracted from the SPS accelerator at 400 GeV, transported through a 727 m long proton transfer line, before impinging on a graphite target. Secondary particles created in the target are directed towards Gran Sasso and will, in turn, decay in flight, producing muon-type neutrinos. These neutrinos will travel 730 km through the earth towards the Gran Sasso laboratory, where the appearance of tau-type neutrinos will be studied. The progress of the CNGS project is presented and the design and main characteristics of the proton beam line are discussed. In parallel with the installation of the general services, equipment procurement, assembly and tests in the lab have been progressing. The installation of equipment in the proton beam tunnel and the target chamber is now starting. This installation work should be completed early 2006 and will be followed by hardware commissioning and "dry runs". CNGS commissioning with beam is scheduled to start end of May 2006. <\/td>\n<\/tr>\n
2005\/07\/29<\/td>\nFri.<\/td>\n15:00-<\/td>\nKEKB\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u68df\u4f1a\u8b70\u5ba4<\/td>\nMs. Zhao Zhuo<\/td>\nthe progress of BEPCII control system design\/developmen.<\/td>\n\u5c71\u672c\u6607<\/td>\n<\/td>\n<\/tr>\n
2005\/07\/20<\/td>\nWed.<\/td>\n13.30-<\/td>\n\uff12\u53f7\u9928\uff12\u968e\u4f1a\u8b70\u5ba4<\/td>\n1.\u5e73\u677e\u6210\u7bc4<\/p>\n

2.\u5927\u898b\u548c\u53f2\n<\/td>\n

\uff11\uff0e\u30d0\u30f3\u30c1\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u306b\u304a\u3051\u308b\u30ce\u30a4\u30ba\u306e\u8a55\u4fa1<\/p>\n

\uff12\uff0eFeed back noise and beam-beam effect<\/p>\n<\/td>\n

<\/td>\n\u96fb\u5b50\u967d\u96fb\u5b50\u5186\u5f62\u885d\u7a81\u5668\u306b\u304a\u3051\u308b\u30eb\u30df\u30ce\u30b7\u30c6\u30a3\u306f\u885d\u7a81\u6642\u306e\uff58\uff0d\uff59\u65b9\u5411\u306e\u30d3\u30fc\u30e0\u4f4d\u7f6e\u306e\u901f\u3044\u63fa\u3089\u304e\u306b\u5bfe\u3057\u3066\u654f\u611f\u3067\u3042\u308b\u3002
\nBunch by bunch feedback\u306e\u4f4d\u7f6e\u6e2c\u5b9a\u30a8\u30e9\u30fc\u3001\u30ad\u30c3\u30af\u30a8\u30e9\u30fc\u306f\u5468\u56de\u3054\u3068\u306b\u30d3\u30fc\u30e0\u4f4d\u7f6e\u306e\u63fa\u3089\u304e\u3092\u751f\u3058\u3055\u305b\u308b\u3002
\n\u3053\u306e\u63fa\u3089\u304e\u306e\u5927\u304d\u3055\u3092\u8a55\u4fa1\u3057\u3001\u30d3\u30fc\u30e0\u30d3\u30fc\u30e0\u52b9\u679c\u3001\u30eb\u30df\u30ce\u30b7\u30c6\u30a3\u3078\u306e\u5f71\u97ff\u3092\u8ad6\u3058\u308b\u3002
\nhttp:\/\/ccwww.kek.jp\/confdb\/detail.php?CID=ACPH17\u3000<\/td>\n<\/tr>\n
2005\/06\/30<\/td>\nThu.<\/td>\n13:30-<\/td>\n\uff12\u53f7\u9928\uff12\u968e\u4f1a\u8b70\u5ba4<\/td>\n\u52a0\u85e4\u653f\u535a\u6c0f<\/td>\nUVSOR-II\u306b\u304a\u3051\u308b\u30b3\u30d2\u30fc\u30ec\u30f3\u30c8\u653e\u5c04\u5149\u306e\u89b3\u6e2c<\/td>\n<\/td>\nABSTRACT :\u5206\u5b50\u79d1\u5b66\u7814\u7a76\u6240\u306e\u653e\u5c04\u5149\u30ea\u30f3\u30b0UVSOR-II\u3067\u306f\u5358\u30d0\u30f3\u30c1\u5927\u96fb\u6d41\u84c4\u7a4d\u6642\u306b\u3001 \u30b3\u30d2\u30fc\u30ec\u30f3\u30c8\u30b7\u30f3\u30af\u30ed\u30c8\u30ed\u30f3\u653e\u5c04\u3068\u601d\u308f\u308c\u308b\u30d0\u30fc\u30b9\u30c8\u7684\u306a\u5927\u5f37\u5ea6\u653e\u5c04\u304c\u3001 \u30c6\u30e9\u30d8\u30eb\u30c4\u9818\u57df\u3067\u89b3\u6e2c\u3055\u308c\u308b\u3002 \u653e\u5c04\u306e\u6ce2\u9577\u9818\u57df\u306f\u96fb\u5b50\u30d0\u30f3\u30c1\u9577\u3088\u308a\u3082\u306f\u308b\u304b\u306b\u77ed\u304f\u3001\u4f55\u3089\u304b\u306e\u30d3\u30fc\u30e0\u4e0d\u5b89\u5b9a\u6027 \u306b\u3088\u308a\u30d0\u30f3\u30c1\u5185\u90e8\u306b\u751f\u3058\u305f\u5bc6\u5ea6\u63fa\u3089\u304e\u306b\u3088\u308a\u3001\u30b3\u30d2\u30fc\u30ec\u30f3\u30c8\u653e\u5c04\u304c\u8d77\u304d\u3066\u3044\u308b\u3082\u306e \u3068\u601d\u308f\u308c\u308b\u3002 \u3053\u308c\u307e\u3067\u306e\u89b3\u6e2c\u7d50\u679c\u3068\u5c06\u6765\u306e\u5b9f\u7528\u5316\u306b\u5411\u3051\u305f\u53d6\u308a\u7d44\u307f\u306b\u3064\u3044\u3066\u5831\u544a\u3059\u308b\u3002<http:\/\/ccwww.kek.jp\/confdb\/detail.php?CID=ACPH16><\/td>\n<\/tr>\n
2005\/07\/08<\/td>\nFri.<\/td>\n16:00-\n<\/td>\n\uff11\u53f7\u9928\u8ac7\u8a71\u5ba4<\/td>\n\u9ad8\u6728\u6d69\u4e00\u6c0f\uff08\u5ca9\u624b\u5927\u5b66\u5de5\u5b66\u90e8\u96fb\u6c17\u96fb\u5b50\u5de5\u5b66\u79d1\uff09\n<\/td>\n\u5927\u6c17\u5727\u975e\u71b1\u5e73\u8861\u30d7\u30e9\u30ba\u30de\u3092\u7528\u3044\u305f\u74b0\u5883\u6d44\u5316<\/td>\n\u83c5\u4e95\u52f2<\/td>\n\u30d0\u30ea\u30a2\u653e\u96fb\u3084\u30d1\u30eb\u30b9\u30b9\u30c8\u30ea\u30fc\u30de\u653e\u96fb\u306a\u3069\u306e\u5927\u6c17\u5727\u975e\u71b1\u5e73\u8861\u30d7\u30e9\u30ba\u30de\u306f\u3001\u96fb\u5b50\u6e29\u5ea6\u306f\uff15\u301c10eV\u3068\u9ad8\u3044\u304c\u3001\u30a4\u30aa\u30f3\u3084\u4e2d\u6027\u7c92\u5b50\u306e\u6e29\u5ea6\u306f\u5ba4\u6e29\u3068\u3042\u307e\u308a\u5909\u308f\u3089\u306a\u3044\u3002\u3053\u308c\u306f\u5316\u5b66\u7269\u8cea\u306e\u7d50\u5408\u3092\u5207\u308b\u529b\u3092\u6709\u3057\u306a\u304c\u3089\u3001\u71b1\u640d\u5931\u304c\u4ed6\u306e\u30d7\u30e9\u30ba\u30de\u306b\u6bd4\u3079\u3066\u5c0f\u3055\u304f\u306a\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u3066\u304a\u308a\u3001\u3053\u306e\u305f\u3081\u30aa\u30be\u30f3\u751f\u6210\u3084\u6392\u30ac\u30b9\u51e6\u7406\u306a\u3069\u306e\u5fdc\u7528\u306b\u9069\u3059\u308b\u3002\u8b1b\u6f14\u3067\u306f\u3001\uff11\uff09\u5927\u6c17\u5727\u975e\u71b1\u5e73\u8861\u30d7\u30e9\u30ba\u30de\u306e\u7a2e\u985e\u3084\u305d\u306e\u7279\u5fb4\u3001\uff12\uff09\u5927\u6c17\u74b0\u5883\u6d44\u5316\u306b\u5fdc\u7528\u3059\u308b\u969b\u306e\u5316\u5b66\u53cd\u5fdc\u3001\uff13\uff09\u767a\u751f\u65b9\u6cd5\uff08\u30d0\u30ea\u30a2\u653e\u96fb\u3084\u30d1\u30eb\u30b9\u30d1\u30ef\u30fc\u96fb\u6e90\uff09\u306a\u3069\u306b\u3064\u3044\u3066\u8ff0\u3079\u308b\u3053\u3068\u3092\u4e88\u5b9a\u3057\u3066\u3044\u308b\u3002<\/td>\n<\/tr>\n
2005\/06\/09<\/td>\nThu.<\/td>\n13:30-<\/td>\n\uff12\u53f7\u9928\uff12\u968e\u4f1a\u8b70\u5ba4<\/td>\nDr.Etienne Forest<\/td>\nEquilibrium solution of the Fokker-Planck equation in the small damping limit<\/td>\n<\/td>\nThe Fokker-Planck equilibrium can be solved by a quadrature in the nonlinear case when the original map is foliated by a nonlinear canonical transformation A (fully integrable: M=AoRoA-1 ) and the damping is small. The final result depends on a nonlinear ergodic conjecture. We have checked this conjecture using a randomly generated A within the FPP package (Berz\u2019s overloaded tools) but we are unable to prove it beyond the linear regime. In the linear case, this conjecture is equivalent in one-degree of freedom to the relation 1+a2 = bg. This approach is to the general Fokker-Planck equation what the Chao synchrotron integral is to the beam envelope theory. This work extends some incomplete recent work of Alex Chao.\n<\/td>\n<\/tr>\n
2005\/05\/18<\/td>\nWed.<\/td>\n15:00-<\/td>\n4G\u30bb\u30df\u30ca\u30fc\u30db\u30fc\u30eb<\/td>\n\u4eca\u6751\u5cef\u96c4
\n\uff08\u4eba\u9593\u6587\u5316\u7814\u7a76\u6a5f\u69cb\u3000\u56fd\u7acb\u6b74\u53f2\u6c11\u4fd7\u535a\u7269\u9928\u3000\u6559\u6388\uff09\n<\/td>\n		\u52a0\u901f\u5668\u3068\u5e74\u4ee3\u6e2c\u5b9a\uff0d\u5f25\u751f\u306e\u5e74\u4ee3\u305d\u306e\u5f8c<\/td>\n\u83c5\u4e95\u3000\u52f2<\/td>\n\u300c\u73fe\u572814C\u5e74\u4ee3\u6e2c\u5b9a\u306f\u307b\u3068\u3093\u3069\u304c\u52a0\u901f\u5668\u3092\u7528\u3044\u3066\u6e2c\u3089\u308c\u3066\u3044\u308b\u3002\u3053\u306e\u52a0\u901f\u5668\u306b\u3088\u308b\u8cea\u91cf \u5206\u6790\u6cd5 \uff08AMS\uff1aAccelerator Mass Spectrometry)\u306f\u3001\u3059\u3067\u306b\u305d\u306e\u6700\u521d\u306e\u958b\u767a\u304b\u3089\uff14\u534a\u4e16\u7d00\u3092\u904e\u304e\u3001 \u7814\u7a76\u306e\u4e2d\u5fc3\u306f\u958b\u767a\u7814\u7a76\u304b\u3089\u5fdc\u7528\u7814\u7a76\u306b\u79fb\u884c\u3057\u3066\u3044\u308b\u3002\u3053\u306e\u9593\u3001\u6280\u8853\u7684\u306b\u306fperformance\u306e \u6539\u5584\u304c\u9032\u307f\u3001\u5fae\u91cf\uff08mg\u4ee5\u4e0b\uff09\u3001\u7cbe\u78ba\uff08\u8aa4\u5dee\u00b10.3\uff05\uff09\u3067\u3001\u8fc5\u901f\uff0830min\/sample\uff09\u306a14C \u5e74\u4ee3\u6e2c\u5b9a\u304c \u53ef\u80fd\u306b\u306a\u3063\u3066\u3044\u308b\u3002 \u6f14\u8005\u306f\u3001AMS\u6cd5\u306e\u7814\u7a76\u306b\u9577\u3089\u304f\u643a\u308f\u3063\u3066\u304d\u305f\u3082\u306e\u3067\u3042\u308b\u304c\u3001\u3053\u306e\u6570\u5e74\u6765AMS14C\u6cd5\u306b\u3088\u308b \u8003\u53e4\u5b66\u7684\u7814\u7a76\u306b\u53d6\u308a\u7d44\u3093\u3067\u3044\u308b\u3002\u305d\u306e\u4e2d\u3067\u5f97\u3089\u308c\u305f\u8a71\u984c\u306e\u4e00\u3064\u3068\u3057\u3066\uff12\u5e74\u524d\u306b\u767a\u8868\u3057\u305f \u5f25\u751f\u6642\u4ee3\u306e\u59cb\u307e\u308a\u306e\u5e74\u4ee3\u306b\u95a2\u3059\u308b\u5171\u540c\u7814\u7a76\u304c\u3042\u308b\u3002\u3053\u306e\u7814\u7a76\u306f’\u5f25\u751f\u6642\u4ee3\u304c\u901a\u8aac\u3088\u308a 500\u5e74\u65e9\u304b\u3063\u305f’\u3053\u3068\u3092\u793a\u3057\u305f\u304c\u3001\u8003\u53e4\u5b66\u754c\u3067\u306f\u8cdb\u5426\u307e\u3058\u3048\u305f\u53cd\u97ff\u3092\u7523\u3080\u3053\u3068\u306b\u306a\u3063\u305f\u3002 \u305d\u306e\u5f8c\u306e\u7814\u7a76\u3001\u7814\u7a76\u306e\u610f\u7fa9\u3001\u8003\u53e4\u5b66\u7684\u4e8b\u5b9f\u3068\u306e\u6574\u5408\u6027\u306a\u3069\u3092\u4e2d\u5fc3\u306b\u8a71\u984c\u3092\u63d0\u4f9b\u3057\u305f\u3044\u3002<\/td>\n<\/tr>\n
2005\/04\/07<\/td>\nThu.<\/td>\n13:30-<\/td>\n\uff12\u53f7\u9928\uff12\u968e\u4f1a\u8b70\u5ba4<\/td>\nDr.Liu Yudong<\/td>\nElectron Cloud Density Simulation in Antechamber of KEKB<\/td>\n<\/td>\nAntechamber is very useful for reducing the electron cloud density in the vacuum. According to the experiments in KEKB LER, the electron cloud current is much smaller when using the antechamber. In the talk, electron cloud density simulation for KEKB LER in antechamber is done and compare with the experiment. According to simulation results, if the vacuum pipe is antechamber, the bunch spacing can be reduced to 3 buckets and the beam can be increased. The same calculation is done for BEPCII and optimized the best filling mode. The plan to wind solenoid in BEPCII as that in KEKB LER is also introduced.
\n\n<\/td>\n<\/tr>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u3053\u306e\u52a0\u901f\u5668\u30bb\u30df\u30ca\u30fc\u60c5\u5831\u306e\u30da\u30fc\u30b8\u306f\u5404\u4e16\u8a71\u4eba\u304b\u3089acc-all\u306b\u9001\u3089\u308c\u305f\u60c5\u5831\u3084\u3001web\u62c5\u5f53\u8005\u3078\u5bc4\u305b\u3089\u308c\u305f\u63b2\u8f09\u4f9d\u983c\u3092\u5143\u306b\u4f5c\u6210\u3057\u3066\u304a\u308a\u307e\u3059\u3002<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

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