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Energy Deposition of 4MW Beam Power in a Mercury Jet Target

Energy Deposition of 4MW Beam Power in a Mercury Jet Target. Xiaoping Ding UCLA Target Studies Feb. 9, 2010. Introduction (I). Using MARS15 to study energy deposition. Study II geometry and magnetic field map. Hg jet: r=0.5cm, tilt 100mrad to sol. axis.

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Energy Deposition of 4MW Beam Power in a Mercury Jet Target

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  1. Energy Deposition of 4MW Beam Power in a Mercury Jet Target Xiaoping Ding UCLA Target Studies Feb. 9, 2010

  2. Introduction (I) • Using MARS15 to study energy deposition. • Study II geometry and magnetic field map. • Hg jet: r=0.5cm, tilt 100mrad to sol. axis. • Proton beam (simple Gaussian distribution): r=0.15cm, tilt 67mrad to sol. axis.

  3. Introduction (II) • The unit of direct energy deposition is GeV/g p.p (GeV per gram per incident primary particle) or GeV. • The number of particles in a given pulse of beam (4MW, 10GeV) is 2.5*1015 ppp (incident primary particles per pulse). (2.5*1015)*(10*109)*[1.6*10-19]=4*106 [W]

  4. Target Geometry Air Gap Hg Jet STST Env (Bottle) Pre-Trgt Ceramic FeCo #1,#2,#3 BeWindow (z=600) Res Sol SC Sol

  5. Map of Region Numbers and Material Indices in the Standard Geometry Sector (IM=-1 are for the regions redefined in non-standard geometry)

  6. Regional Energy Deposition of 4MW Beam Power In WC shield, the energy deposited by EMS (electro-magnetic shower) is 1.464GeV and 1.589 GeV through DEX ( ionization losses from all charged hadrons and muons).

  7. Regional Energy Deposition of 4MW Beam Power

  8. Visual Display of Energy Deposition The max. energy deposition at the SC coil is 10-8 [GeV/g per 1ppp]. So the energy deposition at SC coil is10-8*(109)*(1.6*10-19)* 2.5*1015 [W/g] or 0.004 [W/g].

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