MPS DIVISION REPORTS. January-June 197ty. The Gram-Charlier series and its weight function. MPS Division Reports. July-December 1971.
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1 CERN/MPS DL/ July 1972 MPS DIVISION REPORTS January-June 197ty DIRECTION CERN /MPS /DL CERN/MPS /DL The Gram-Charlier series and its weight function. MPS Division Reports. July-December Vlasov Equation at transition with transverse and longitudinal space-charge forces. A Review of transition Problems in the SPS. MPS Progress Report. 1st January to 30th April,1972. J.Y. Freeman Continuous adjustment of the zeroth approximation in an expansion method for calculating spacecharge dynamics Closed orbit bumps for SE 16/62 and SE 16/FE 16 - compatibility. Utilization of PS machine development time. Reflexions a propos d'indices de qualite et de reproductibilite du faisceau PS. Preliminary 1972 CPS-MD programme. Specificat~ons basse energie. des sextupoles pour le PS a Intensity limitations in the present and future PS. CPS MD studies report No.1 (Weeks ). CPS MD studies report No.2 (Weeks 11-14). W. Kubischta o. Barbalat
2 - 2 - * 0 The SPS as an injector for storage rings: 4580 empty buckets to preserve phase-space density. Some ideas on possible developments of the SPS injection schemes. * 1 Report on the Working Group on Transverse Collective Effects. * 2 Ionic oscillations in the SPS. * 3 Negative mass effect of transition in the SPS. * 4 Gas scattering effect for the SPS. MPS/DL No.te* 5 Coasting beam longitudinal instability in the SPS. J. Garey~e lfps/dl * 6 Instabilities of the coherent longitudinal oscillations of the bunch system. J. Gareyte et al.. * 7 Influence of gaps in the beam on single stream instability of the SPS bunches. * 8 SPS space-charge limits (Laslett's Q-shifts)... 9 CPS-MD Studies Report No.3. (Period April 10 to May 6, 1972). 0 Instrumentation for the accelerator complex within the PS Department 1973~ Investigation of beam equipment interaction in the CPS. 2 Sectupoles pour le PS a basse energie. Installation. Alimentations et controles. 3 Correction~ 'transversales dans le PS a basse energie. (Ameliorations souhaitees pour les controles.) 4 Octupoles and chromaticity required for transverse beam stability in the CERN 200 GeV Synchrotron. K. Hubner 5 Slow ejection. s on the MD meeting. programme review CPS MD Studies Report No.4. Period (Weeks 20-23). * Papers prepared for the 1972 Lab.II Spring Study. o. Barba! at o. Barbalat
3 - 3 - LINAC Group CERN/MPS/LIN A critical study of emittance measurements of intense low energy proton beams. L.R. Evans D.J. Warner An economic comparison between serial and parallel data transmission. d'information No.4 sur le faisceau et les mesures de faisceau du Linac. Injection PS a. partir de fevrier d'information No.5 sur le faisceau du Linac. Abaques sur le degroupage des particules a 50 MeV. Analysis of stability of Linac parameters and beam. Systeme opo-electronique utilise pour la transmission des impulsions "trigger" au potentiel de 500 kev. RF measurements for the determination of threshold levels in tanks + phase shifts between them. W. Kracht P. Tetu P. Tetu c. Poinard J. Knott M. Weiss A. Van der Schuere~ M. Weiss Analysis of the 50 MeV injection region in connection M. Weiss with the proposed modifications of vacuum chambers in the PS. SYNCHROTRON RING Group CERN/MPS/SR The effective length of the PS magnets at various field levels. H.H. Umstatter Amelioration of the existing Q-measurement system and possible computer acquisition. FAK project progress report for period A fast sampling digital measuring and storage unit for pulse amplitude measurements. G. Schneider D. Fiander F. Hansen Proposition pour la construction de nouveaux aimants R. Bertolotto a septum pour liejection rapide dans les s.d. 58 et 74. Test H.T. sur les bobines principales et busbars de 1 'aimant du PS. M. Bole-Feysot
4 - 4 - Discussion on closed orbit deformation ~n ss 16 F. Rohner for FE 16 and SE 16. Alimentation "SIDONIE" pour ejection rapide en s.d.74, B. Boileau Study of a procedure for the repair of damaged blocks F. Rohner on the PS magnet units. Alimentation T 500 et T 700 (lere partie) J. Gruber MECHANICAL Group MPS/ML 72-8 MPS/ML Etude sur les joints metalliques utilises au PS. Chambres a vide speciales pour l'injection PSB-CPS en A. Dupaquier M. Lebeau CONTROLS Group 72""-1 Liaisons de controles ordinateurs - processus. Optimisation au point de vue du bruit d'une amplification. Statistics of PS Operation E. Asseo S. Battisti Ch. Man takas G. Azzoni MACHINE UTILISATION Group CERN/MPS/MU-H Cible a hydrogene liquide sur le faisceau b 16 L. Mazzone MPS/MU-/EP Dispositif~ a champ magnetique croise pour separateurs electrostatiques de 1 metre (M-SEP/01 et /02). D.J. Simon R. Michelier
5 - 5 - ELECTRICAL DEVELOPMENT Group Description of an R2C Power Supply and its auxiliary units. Some measurements with high precision DC current transformers. H. Hausler Brief description of the thyristor by-pass for the MPS Main Power Supply. Pulsed beam transport. West Area Power Supplies.. DC operated or pulsed West Hall beams (Magnet and Supply requirements). H. Hausler NOTE: The "s" should be considered as internal documents and not be quoted without the authorisation of the author. J.De Winter Distribution: (open) Scientific and Technical Staff MPS and SI Divisions. /jdw
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