1 PPC 9/10/98 G.Cyvoct PS/OP  Start up: grâce au travail de préparation (Linac et PSB) durant aôut et septembre, nous avons obtenu un faisceau de 1.8 e10 charges (acc.) en 2 heures.  Limitations actuelles: - intensité (22  A) du Linac3 - qualité du vide: ring PSB Pb ions beam in the PSB Update: 8/10/1998

2 PPC 9/10/98 G.Cyvoct PS/OP Beam Current 22.6  A Inj.= 76% Gate too short 25.5  A With Isolde End C02 Start C04

PPC 9/10/98 G.Cyvoct PS/OP Beam currentBeam current Beam currentBeam current Without Isolde during 6 h

PPC 9/10/98 G.Cyvoct PS/OP B eam CurrentB eam Current B eam CurrentB eam Current With Isolde during 16h but after no ions during 5mn With Isolde during 16h but after no ions during 5mn 3367 (81%) (96%)

PPC 9/10/98 G.Cyvoct PS/OP B e a m C u rr e n t Bad vacuum during acceleration

PPC 9/10/98 G.Cyvoct PS/OP LifetimeLifetime LifetimeLifetime R4: 60 mS R1: 43 mS

PPC 9/10/98 G.Cyvoct PS/OP PSB VACUUMPSB VACUUM PSB VACUUMPSB VACUUM Ring secteur 1 Inj Ej Ring secteur 1 Inj Ej Ring secteur 2

PPC 9/10/98 G.Cyvoct PS/OP Trace rouge: historique (62h) du vide sur jauge BR.VPG15L1 30/9/98 1h 1/10/98 10h Mise à la masse des brides: tank observ. 1/10/98 10h Mise à la masse des brides: tank observ. 2/10/98 15h 1/10/98 10h Mise à la masse des brides: tank observ. 1/10/98 10h Mise à la masse des brides: tank observ.

PPC 9/10/98 G.Cyvoct PS/OP Action du faisceau ions Pb sur vide PSB en BR.VPG15L1A 7/10/98:10h-->11h No ions in PSB 7/10/98:10h-->11h No ions in PSB 8/10/98:10h-->10h45 No ions in PSB 8/10/98:10h-->10h45 No ions in PSB 1.10 E E- 9

1010 PPC 9/10/98 G.Cyvoct PS/OP