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Energy investigation Sn isotopic beams Beam Br57 (Tm) E78 (AMeV)

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Presentation on theme: "Energy investigation Sn isotopic beams Beam Br57 (Tm) E78 (AMeV)"— Presentation transcript:

1 Energy investigation Sn isotopic beams Beam Br57 (Tm) E78 (AMeV)
E tgt (AMeV) Sn132 7.129 293.11 269.04 Sn124 6.7383 295.89 270.07 Sn112 6.1263 298.42 270.22 Sn108 5.9152 298.68 269.09

2 Energy calculated at center of target using LISE++
Energy measured between these two points using beamline detectors Energy calculated here by BigRIPS

3 Methodology Use measurement of Br57 performed by BigRIPS team – I believe this is made using beamline detectors between F5 and F7 They calculate E78 from this measurement Check beamline detectors in between F78 drift and target I provide energy at center of target using E78 from BigRIPS notebook I assume charge state Z=50 for LISE++ physical calculator

4 Sn 132 (Runs 2819-3039) Brho 57 = 7.129 -> E78 = 293.11 AMeV
-> AMeV center of target (Sn 124) (assuming mm effective thickness to center) Br57 (Tm) E78 (AMeV) Etgt (AMeV) 7.129 293.11 269.04

5 Sn132 material list Name Material Thickness (mm) Density(g/cm^3)
SBT1 mylar H8C10O4 0.012 1.397 SBT1 H10C9 0.2 1.105 SBT1&2 mylar 0.024 SBT2 SBT2 mylar BDC1 kp window C22H10N2O4 0.08 1.42 BDC1 gas H10C4 90 9.54E-05 BDC1 cathode BDC2 kp window BDC2 gas BDC2 cathode Vacuum window 0.05 Air air 141.8 0.0012 AC Entrance Window Foil 0.004 S-TPC Gas Ar90C10H40 274.18 Target (1st half) 124Sn 0.4175 7.282

6 Sn 124 (Runs 3044-3184) Brho 57 = 6.7383 -> E78 = AMeV
-> AMeV center of target (Sn 112) (assuming mm effective thickness to center) Br57 (Tm) E78 (AMeV) Etgt (AMeV) 6.7383 295.89 270.07

7 Sn 124 material list Name Material Thickness (mm) Density(g/cm^3)
SBT1 mylar H8C10O4 0.012 1.397 SBT1 H10C9 0.2 1.105 SBT1&2 mylar 0.024 SBT2 SBT2 mylar BDC1 kp window C22H10N2O4 0.08 1.42 BDC1 gas H10C4 90 9.54E-05 BDC1 cathode BDC2 kp window BDC2 gas BDC2 cathode Vacuum window 0.05 Air air 141.8 0.0012 AC Entrance Window Foil 0.004 S-TPC Gas Ar90C10H40 274.1 Target (1st half) 112Sn 0.3852 7.282

8 Sn 112 (Runs 2542-2653) Brho 57 = 6.1263 -> E78 = 298.42 AMeV
-> AMeV center of target (Sn124) (assuming mm effective thickness to center) Br57 (Tm) E78 (AMeV) Etgt (AMeV) 6.1263 298.42 270.22

9 Sn112 material list Name Material Thickness (mm) Density(g/cm^3)
SBT1 mylar H8C10O4 0.012 1.397 SBT1 H10C9 0.2 1.105 SBT1&2 mylar 0.024 SBT2 SBT2 mylar BDC1 kp window C22H10N2O4 0.08 1.42 BDC1 gas H10C4 90 9.54E-05 BDC1 cathode BDC2 kp window BDC2 gas BDC2 cathode Vacuum window 0.05 Air air 141.8 0.0012 AC Entrance Window Foil 0.004 S-TPC Gas Ar90C10H40 274.18 Target (1st half) 124Sn 0.4175 7.282

10 Sn 108 (Runs 2225-2509) Brho 57 = 5.9152 -> E78 = 298.68 AMeV
-> AMeV center of target (Sn112) (assuming mm effective thickness to center) Br57 (Tm) E78 (AMeV) Etgt (AMeV) 5.9152 298.68 269.09

11 Sn 108 material list Name Material Thickness (mm) Density(g/cm^3)
SBT1 mylar H8C10O4 0.012 1.397 SBT1 H10C9 0.2 1.105 SBT1&2 mylar 0.024 SBT2 SBT2 mylar BDC1 kp window C22H10N2O4 0.08 1.42 BDC1 gas H10C4 90 9.54E-05 BDC1 cathode BDC2 kp window BDC2 gas BDC2 cathode Vacuum window 0.05 Air air 141.8 0.0012 AC Entrance Window Foil 0.004 S-TPC Gas Ar90C10H40 274.1 Target (1st half) 112Sn 0.3852 7.282

12 Summary Energies calculated at center of target using LISE++, E78 calculated values from BigRIPS: Beam Br57 (Tm) E78 (AMeV) E tgt (AMeV) Sn132 7.129 293.11 269.04 Sn124 6.7383 295.89 270.07 Sn112 6.1263 298.42 270.22 Sn108 5.9152 298.68 269.09

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