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Meson Productions for Hg Jet with Disk Shape

Meson Productions for Hg Jet with Disk Shape. X. Ding BNL-AAG Meeting March 15, 2012. IDS120h Configuration. Meson Production with IDS120h. Why the meson productions are lower at KE<5 GeV ? . The mercury jet target geometry. The proton beam and mercury jet cross at z =-37.5 cm.

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Meson Productions for Hg Jet with Disk Shape

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  1. Meson Productions for Hg Jet with Disk Shape X. Ding BNL-AAG Meeting March 15, 2012

  2. IDS120h Configuration

  3. Meson Production with IDS120h Why the meson productions are lower at KE<5 GeV?

  4. The mercury jet target geometry. The proton beam and mercury jet cross at z=-37.5 cm. HG Target Geometry y x yz plane Curve more at low KE Single particle tracking (entrance and exit point in Hg Jet) for 2,4,8 proton KE with assumed same target parameters (0.404mm/20.6mrad/117mrad): 8 GeV: (-0.143,2.224,-56.475)/(-0.142,-2.23,-18.475); Δz= 38 cm 4 GeV: (-0.246,2.156,-55.988)/(-0.238,-2.129,-19.208);Δz=36.78 cm 2 GeV: (-0.363,1.95,-54.496)/(-0.371,-1.975,-20.323);Δz=34.2 cm Nuclear Interaction length: HG/14.58 cm

  5. Hg Jet with Disk Shape Disk: ϕ=15 cm Depth: 15/4 cm

  6. Meson Productions for Hg Jet with Disk Shape

  7. Energy Spectrum

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