PLANS JINR PARTICIPATION for JINR PARTICIPATION FAIR PROJECT: in the FAIR PROJECT: - ACCELERATOR TECHNOLOGY A.Kovalenko 103 session of the JINR Scientific Council, Dubna, February 22, 2008

SIS100 SIS300 HESR FLAIR NESR RESR/ CR FAIR – MULTIPURPOSE HEAVY ION AND pbar FACILITY FAIR IS CONSIDERED AS INTERNATIONAL PROJECT JINR IS INVOLVED IN the COLLABORATIVE WORK BASED ON AGREEMENTS, CONTRACTS AND PROJECTS SINCE 1999 A.Kovalenko 103 session of the JINR Scientific Council, Dubna, February 22, 2008

A.Kovalenko SIS100 - fast-cycling superconducting synchrotron of the Nuclotron-type (LHE-group) NESR – storage ring (LNP-group) 103 session of the JINR Scientific Council,Dubna, February 22, 2008 R&D DIRECTIONS:

MODEL DIPOLES & QUADRUPOLES; - FULL SIZE PROTOTYPES; - STEERERS AND MULTIPOLES; - LATTICE STRUCTURE OPTIMIZATION; - BEAM EXTRACTION and TRANSFER; - CLOSE ORBIT CORRECTION; - U(29+) COLLIMATION; - OTHER ELEMENTS: BPM, CATCHERS,..; - CRYOSTAT MODULES; - COOLING SYSTEM; - MODEL DIPOLES & QUADRUPOLES; - FULL SIZE PROTOTYPES; - STEERERS AND MULTIPOLES; - LATTICE STRUCTURE OPTIMIZATION; - BEAM EXTRACTION and TRANSFER; - CLOSE ORBIT CORRECTION; - U(29+) COLLIMATION; - OTHER ELEMENTS: BPM, CATCHERS,..; - CRYOSTAT MODULES; - COOLING SYSTEM; A.Kovalenko 103 session of the JINR Scientific Council,Dubna, February 22, 2008 SIS100 COLLABORATIVE R&D :

JINR NUCLOTRON - prototype of the FAIR SIS100 synchrotron A.Kovalenko 103 session of the JINR Scientific Council,Dubna, February 22, 2008 Nuclotron dipole and quadrupole magnets 2 T, 4 T/s, 1 Hz dipole 34 T/m, 68 T/m s, quad

Low degradation of the cable critical current in a fast ramping operation (4.8 dB/dt=4T/s) Anatoly Alexeevich Smirnov ( – ) NUCLOTRON SC - cable Weak dependence of the eddy current loss on the magnetic field ramp NO OTHER CABLE WITH SIMILAR PARAMETERS A.Kovalenko 103 session of the JINR Scientific Council,Dubna, February 22, 2008

2001–2007: 23 TEST RUNS 4K YOKE DIPOLE: AC LOSSES WERE REDUCED BY A FACTOR OF 2 COMPARE TO THE NUCLOTRON TOTAL NUMBER OF TEST CYCLES HAVE EXEED ; 50K YOKE DIPOLE: COLD MASS OF THAT DIPOLE VERSION HAVE OPERATED CYCLES at B=2T, dB/dt=4T/s, f=1Hz. f FULL SIZE 4K YOKE DIPOLE EQUIVALENT – WAS PREPARED AND TESTED. A.Kovalenko SIS100 R&D at JINR: MODEL DIPOLES(1) Original Nuclotron dipole 103 session of the JINR Scientific Council,Dubna, February 22, 2008 costs study (GSI): nc version: 26M€ sc version: 2.6 M€

A.Kovalenko Stainless steel end plates and brackets Modified yoke ends Modified coil end-loops and new SC wire (4 mkm ) Aperture 56 mm x 110 mm (v x h) Cold yoke 4.5 K Heat shield 80 K SIS100 R&D at JINR: MODEL DIPOLES(2) Basis for the first full length SIS100 prototype dipole 103 session of the JINR Scientific Council,Dubna, February 22, 2008

A.Kovalenko SIS100 R&D at JINR: MODEL QUADRUPOLES(1) SIS100 Maximum AC LOSSES WERE REDUCED BY A FACTOR OF 3 Quasi-continuous operation mode is possible also 103 session of the JINR Scientific Council,Dubna, February 22, 2008

JINR’s EXPERIMENTAL WORKSHOPS A.Kovalenko 103 session of the JINR Scientific Council,Dubna, February 22, 2008 THE NUCLOTRON CRYO- MAGNETIC SYSTEM WAS MANUFACTURED HERE

103 session of the JINR Scientific Council, Dubna, February 22, 2008 A.Kovalenko FULL SIZE SIS100 DIPOLE & QUAD (1) YOKE MANUFACTURING AT JINR EW EU PROJECT: DIRACSecondary beams N515873

103 session of the JINR Scientific Council, Dubna, February 22, 2008 A.Kovalenko FULL SIZE SIS100 DIPOLE & QUAD(2) EU PROJECT: DIRACSecondary beams N COLE MANUFACTURING AT LHE

A.Kovalenko JINR PROPOSAL ESTIMATED COST ~ 35 Meuro, ( less than 30% of the proposed Russian contribution to FAIR ) 103 session of the JINR Scientific Council,Dubna, February 22, 2008

A.Kovalenko FAIR WORK PACKAGES 103 session of the JINR Scientific Council,Dubna, February 22, 2008

A.Kovalenko Lab Directors Meeting, Darmstadt, October 1/2, nd Lab Directors Meeting, Protvino, January 15/16, 2008

A.Kovalenko 103 session of the JINR Scientific Council,Dubna, February 22, 2008 JINR FURTHER ACTIVE PARTICIPATION IN THE CONSTRUCTION OF THE SIS100 CRYOMAGNETIC SYSTEM WOULD BE VERY NATURAL MANUFACTURING OF THE SIS100 MAGNETS AND OTHER LATTICE ELEMENTS (TS-2, TS-6,…) WOULD BE VALUABLE CONTRIBUTION OF RUSSIAN INDUSTRY AND LABORATORIES TO THE FAIR CONSTRUCTION