1 / 4

Studies of Muon Yield vs. Target and Collimator Properties – A. Arjad, M. Hebert, W. Molzon

Studies of Muon Yield vs. Target and Collimator Properties – A. Arjad, M. Hebert, W. Molzon. Effect of water cooling channel and containment vessel Optimization of collimator geometry to improve yield, background rejection, and tracker rates. W. Molzon.

ophrah
Download Presentation

Studies of Muon Yield vs. Target and Collimator Properties – A. Arjad, M. Hebert, W. Molzon

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. Studies of Muon Yield vs. Target and Collimator Properties – A. Arjad, M. Hebert, W. Molzon Effect of water cooling channel and containment vessel Optimization of collimator geometry to improve yield, background rejection, and tracker rates W. Molzon

  2. Muon Yield vs. Water-cooled Target Properties Study of effect of target cooling channel and inlet/outlet pipes on muon yield All with ~3 mm ODinlet/outlet pipes No inlet/outlet pipe  large inlet/outlet Small water channel and containment tube costs about 5% Inlet/outlet pipes should be minimized (further study) William Molzon, UC Irvine Studies of Muon Yield for Target and Collimators

  3. Optimization of Collimator Properties Collimators should be optimized for numerous effects: • Maximize negative muon stopping rate • Minimize positive particle flux, particularly muons at large radii • Minimize electron and positron transmission • Minimize size of transport channel to minimize ripple and other field specs Parameters to vary: • Radii of three collimators • Upper limit on collimator limiting vertical beam size at center collimator – making it smaller reduces positive muon yield; making it very small will limit low energy e+/-, particularly e+ • Lower limit on collimator limiting vertical beam size at center collimator – making it larger increases muon yield but makes it more difficult to meet field spec Use trick of generating and storing events that pass through largest collimator openings, then rerunning events with tighter collimators to reduce statistical uncertainties, which become negligible in this study William Molzon, UC Irvine Studies of Muon Yield for Target and Collimators

  4. Optimization of Collimator Properties Next Steps: • Vary parameters about new nominal values, including correlations • Look at suppression of electrons and positrons • Look at difficulty with meeting field spec in enlarged transport size William Molzon, UC Irvine Studies of Muon Yield for Target and Collimators

More Related