Technical Design Report Super Fragment Separator

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DRAFT Table 2.4.31: Rough estimate of the cooldown time for all Super-FRS magnets. Allocated Cooling Power [kW] for individual magnet group Mass flow rate of gas helium dur- ing cooldown [g/s] Cooldown speed at start [K/hour] (cooldown speed at lower temperature is determined by the cooling capacity) Number of multiplets in one group Cooldown time for one group (from 300 K to 10 K) [days] 110 (full capacity) 235 3.5 2 in parallel 5 Anticipated minimal cooldown time for Super-FRS SC magnets (from 300 K to 10 K) [days] 5 x 14 (groups) = 70 110 (full capacity) 235 3.5 3 in series 7 7 x 10 = 70 55 (half of the full capacity) 55 (half of the full capacity) 36.7(one third of the full capacity) 117.5 3.5 3 in series 13 13 x 5 = 65 117.5 3.5 3 in parallel 14.5 14.5 x 5 = 72.5 78 3.5 3 in series 20 20 x 3 = 60 2.4.12.3 Cryogenics distribution for SC magnets in the Super-FRS The schematic layout of the cryogenic distribution for all the superconducting dipoles, quadrupoles and multiplets in the Super-FRS and in front of the target region is shown in Figure 2.4.134. The cryogenic cooling power for the main part of the Super-FRS is supplied by the FAIR refrigerator CRYO1 (not shown) over the cryogenic transfer line through the connection tunnel. The cryogenic supply for the three multiplets in front of the Super-FRS target will be provided by the FAIR refrigerator CRYO2 (not shown) via a distribution box (planned to be located in building 4 and not shown) and the corresponding cryogenic transfer line in the 100 Tm HEBT tunnel. In overview, the cryogenic transfer line (thin light blue) and the feedbox units (thick orange) stretch over almost the whole lattice length along the magnets of Super-FRS including the three branches and the Magnetic-Spectrometer / Energy-Buncher in the Low-Energy experimental region. In the High-Energy experimental cave, the cryogenic supply is available for the R 3 B equipment as required. In addition a certain length of the cryogenic transfer line is also foreseen for a later upgrade of the R 3 B experiment. 150
DRAFT Figure 2.4.134: Schematic of cryogenic distribution for the Super-FRS. Figure 2.4.135 shows more details of the cryogenic distribution in the Pre- and Main-Separator. Following the three radiation resistive normal-conducting dipoles in the Pre-Separator there are 6 superconducting quadrupoles and 2 hexapole magnets which are located in a certain distance from each other. Therefore these magnets are housed in 8 cryostats individually. In a similar way to the dipole groups, every four of them before and after the symmetry mirror could be supplied in parallel by one feedbox unit with liquid helium. The feedbox unit is identical with the one used for dipole stage but has four jumpers. As described in the two previous sections, three dipole units in each dipole stage and two multiplets located on both side of the symmetry mirror position are fed in parallel by one feedbox unit individually. The feedbox units are connected by many short sections of cryogenic transfer line. The helium transfer is ended at the both sides of the target region by the functionality of two end-boxes. Such end-boxes should be integrated in the design of the last feedbox unit just before the helium transfer ends in order to save installation space. 151
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DRAFT Technical Design Report Super
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Preface DRAFT The International Fac
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Contents DRAFT 2.4.1 System Design
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DRAFT Table 2.4.1: Parameters of th
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DRAFT degrader stage which provides
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Pre-Separator DRAFT In order to acc
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DRAFT coupling coefficients is give
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DRAFT Table 2.4.3: First-order matr
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DRAFT Main-Separator to the high-en
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DRAFT Table 2.4.5: Transmission T o
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DRAFT Figure 2.4.15: Resolution nec
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DRAFT Figure 2.4.17: Spectrometer m
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DRAFT Table 2.4.8: Design parameter
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DRAFT Figure 2.4.20: Side view of t
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DRAFT Figure 2.4.23: Coil cross-sec
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DRAFT Figure 2.4.25: Flux density d
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Figure 2.4.29: Assembly of two half
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DRAFT Figure 2.4.31: Cross section
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Figure 2.4.34: Sketch of the therma
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DRAFT To fulfill the required field
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DRAFT Figure 2.4.39: The 3D model o
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DRAFT Pole radius mm 100 210 250 25
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DRAFT Figure 2.4.43: Front, side, a
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∆B/B 0.0 DRAFT Figure 2.4.46: Ave
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DRAFT Figure 2.4.50: 3D model of th
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DRAFT Figure 2.4.54 and Table 2.4.1
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DRAFT 2.4.2.3.1 Radiation resistant
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DRAFT The water-cooled radiator con
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DRAFT Table 2.4.17: Coil parameters
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DRAFT Figure 2.4.63: Field distribu
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DRAFT Figure 2.4.65: Multiplet conf
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DRAFT Table 2.4.21 summarizes the r
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2.4.2.6 Current Leads DRAFT The cur
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DRAFT Table 2.4.23 presents the lis
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2.4.3 Power Converters DRAFT The po
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SCR structure DRAFT Regarding high
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a) Chopper circuit 3x400V b) Half b
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External Control System Data transf
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DRAFT Figure 2.4.77: Arrangement of
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SuperFRS Power Supply Effective App
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DRAFT The locations for the differe
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DRAFT Figure 2.4.80: Beam induced f
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DRAFT Figure 2.4.82: Two hybrids ca
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DRAFT Figure 2.4.84: Left panel: TP
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DRAFT extracted beams. Its use for
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Time of Flight measurement DRAFT At
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DRAFT together. Another option is t
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DRAFT Figure 2.4.88: Pillow seal po
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DRAFT Figure 2.4.90: Setup at the m
Page 99 and 100: DRAFT An overview of the total vacu
Page 101 and 102: 2.4.7.4 Appendix - Technical Drawin
Page 103 and 104: DRAFT Figure 2.4.96: Diagnostic cha
Page 105 and 106: DRAFT Figure 2.4.98: Diagnostic cha
Page 107 and 108: DRAFT Figure 2.4.100: Diagnostic ch
Page 109 and 110: 2.4.8 Particles Sources n/a 2.4.9 E
Page 111 and 112: DRAFT movable, but BC3 must be able
Page 113 and 114: DRAFT Figure 2.4.106: Spot size of
Page 115 and 116: dE/dV [kJ/cm 3 ] 3 2 1 DRAFT includ
Page 117 and 118: 2.4.11.1.4 Design of the beam catch
Page 119 and 120: DRAFT Figure 2.4.110: Calculated eq
Page 121 and 122: DRAFT Figure 2.4.112: Location of b
Page 123 and 124: DRAFT the carbon. Again mainly 7 Be
Page 125 and 126: DRAFT maintenance of the carbon or
Page 127 and 128: DRAFT material) and received the an
Page 129 and 130: DRAFT commissioned in February 2005
Page 131 and 132: DRAFT Table 2.4.28: Typical beam pa
Page 133 and 134: DRAFT Figure 2.4.120: Surface tempe
Page 135 and 136: DRAFT Figure 2.4.123: Schematic lay
Page 137 and 138: DRAFT These results show that the i
Page 139 and 140: DRAFT Like in the case of the rotat
Page 141 and 142: DRAFT Figure 2.4.126: Left: Schemat
Page 143 and 144: DRAFT Figure 2.4.128: Schematic lay
Page 145 and 146: DRAFT Figure 2.4.129: Flow scheme o
Page 147 and 148: DRAFT Since the weight of the cold
Page 149: DRAFT With the cooling capacity spe
Page 153 and 154: S1 (a) Figure 2.4.136: (a) Zoom of
Page 155 and 156: 2.4.A Appendix DRAFT The appendix o
Page 157 and 158: DRAFT experiment the EXL community
Page 159 and 160: 2.4.A1.3 Slow control and monitorin
Page 161 and 162: DRAFT Figure 2.4.139: Architecture
Page 163 and 164: DRAFT all FAIR accelerators will be
Page 165 and 166: DRAFT source tier are split in two
Page 167 and 168: DRAFT coupled from the ACS which is
Page 169 and 170: DRAFT 2.4.A3.2 Work packages: descr
Page 171 and 172: 2.4.A3.2.4 Instrumentation Measurin
Page 173 and 174: DRAFT this, planning a network layo
Page 175 and 176: DRAFT 2.4.A3.3 Machine characterist
Page 177 and 178: DRAFT installation of RALF was done
Page 179 and 180: DRAFT The double ring synchrotrons,
Page 181 and 182: DRAFT The first refrigerator, Cryo1
Page 183 and 184: DRAFT shield 28874 + 25 g/s 22 bar
Page 185 and 186: LHe storage Helium storage Helium s
Page 187 and 188: Cryo2 Cryo3 CryoST DB 3 DRAFT Compr
Page 189 and 190: DRAFT The cold connection will be m
Page 191 and 192: DRAFT Measurements planned for each
Page 193 and 194: DRAFT For magnets with less stringe
Page 195 and 196: DRAFT The value, parameters, condit
Page 197 and 198: DRAFT 3. Geometry tests For cryosta
Page 199 and 200: DRAFT The Quench Heaters Tests has
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DRAFT Figure 2.4.159: Photograph of
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DRAFT The field properties listed i
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DRAFT Figure 2.4.161: Schematic vie
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DRAFT Figure 2.4.162: Scheme of the
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2.4.A6.2.2 Shielding against direct
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DRAFT Figure 2.4.164: Schematic lay
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DRAFT Figure 2.4.165: An iron beam
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DRAFT In a side view the flux of pr
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DRAFT catcher 7 Be, 22 Na and 24 Na
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DRAFT at the FRS (2·10 9 /spill as
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DRAFT [1] H. Geissel et al., Nucl.
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DRAFT [74] A. Fabich and J. Lettry,
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Technical Design Report Super Fragment Separator

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