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Analyzing Energy Distribution in Sn Isotopic Beams with LISE++ and Beamline Detectors

Investigate energy distribution in Sn isotopic beams with LISE++ and beamline detectors. Calculate and measure energies at target center and between points using BigRIPS. Confirm values obtained by BigRIPS. Utilize detectors between target and drift to ensure accuracy. Data provided for various runs with Sn isotopes.

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Analyzing Energy Distribution in Sn Isotopic Beams with LISE++ and Beamline Detectors

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  1. Energy investigation Sn isotopic beams

  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 BigRIPSnotebook • I assume charge state Z=50 for LISE++ physical calculator

  4. Sn 132 (Runs 2819-3039) Brho 57 = 7.129 -> E78 = 293.11 AMeV -> 269.04 AMeVcenter of target (Sn 124) (assuming 0.417 mm effective thickness to center)

  5. Sn132 material list

  6. Sn 124 (Runs 3044-3184) Brho 57 = 6.7383 -> E78 = AMeV -> AMeVcenter of target (Sn 112) (assuming 0.385 mm effective thickness to center)

  7. Sn 124 material list

  8. Sn 112 (Runs 2542-2653) Brho 57 = 6.1263 -> E78 = 298.42 AMeV -> AMeVcenter of target (Sn124) (assuming 0.417 mm effective thickness to center)

  9. Sn112 material list

  10. Sn 108 (Runs 2225-2509) Brho 57 = 5.9152 -> E78 = 298.68 AMeV ->269.09 AMeVcenter of target (Sn112) (assuming 0.385 mm effective thickness to center)

  11. Sn 108 material list

  12. Summary • Energies calculated at center of target using LISE++, E78 calculated values from BigRIPS:

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