1 / 23

But have never been used to study the structure of short-lived radioactive nuclei.

But have never been used to study the structure of short-lived radioactive nuclei. a large accelerator complex including a cooler ring and a collider. M. Wakasugi, et al., Nucl. Instr. and Meth. A 532 (2004) 216-233. 42 thin electrodes are stacked every 11 mm. 110 mm. 35 mm.

delano
Télécharger la présentation

But have never been used to study the structure of short-lived radioactive nuclei.

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. But have never been used to study the structure of short-lived radioactive nuclei.

  2. a large accelerator complex including a cooler ring and a collider

  3. M. Wakasugi, et al., Nucl. Instr. and Meth. A 532 (2004) 216-233 42 thin electrodes are stacked every 11 mm. 110 mm 35 mm Total length 650mm Trapping region 〜260mm Be(t=1mm) window Inside the SCRIT

  4. | Fc(q) |2 M：Mass of nucleus |Fc(q)|2 Momentum transfer (MeV/c)

  5. Energy of e- beam

  6. Externally injected ions trapped ? Luminosity can be reached to 1027 s-1cm-2 ?

  7. Those three calorimeters for the energy of scattering electrons

  8. Residual gases

  9. Scattered electron

  10. PRL 100, 164801 (2008)

  11. PRL 102, 102501 (2009)

  12. Non-uniform distribution

  13. Higher luminosity can be expected with higher beam current.

  14. ions ions ions ions ions (a) SCRIT Longitudinal potential (b) SCRIT Longitudinal potential (c) trapped SCRIT Longitudinal potential (d) SCRIT Longitudinal potential (e) SCRIT Longitudinal potential

  15. e’ e q | Fc(q) |2 0+ Elastic electron scattering elastic scattering cross section is largest (up to medium momentum transfer region) charge density distribution (charge form factor) 208Pb 48Ca 40Ca 16O ρc (r)(fm-3)x10-2 12C 4He 10 8 6 0 2 4 r (fm) beyond mean-square charge radius by IS,muonic X-ray |Fc(q)|2 Momentum transfer (MeV/c)

  16. 2 s 2 s 110 ms Cs ions Cs ions Cs ions Cycle #1 Cycle #2 Cycle #3 Cycle #4 Total Cycle number is 18 in 2 seconds measurement

More Related