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crossing angle (high): 20.000 (mrad) crossing angle (low ): 30.000 (mrad)

NLC2001. ( Δε / ε ) ISR =30% @ 500 GeV. ( Δε / ε ) ISR =17% @ 500 GeV. crossing angle (high): 20.000 (mrad) crossing angle (low ): 30.000 (mrad) dX (IP) = 18.129268 (m) dZ (IP) = 440.000000 (m) dS (high) = 414.791875 (m) dS (low ) = 465.230146 (m). 20 kW stopper (tune up).

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crossing angle (high): 20.000 (mrad) crossing angle (low ): 30.000 (mrad)

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  1. NLC2001 (Δε/ε)ISR=30% @ 500 GeV (Δε/ε)ISR=17% @ 500 GeV crossing angle (high): 20.000 (mrad) crossing angle (low ): 30.000 (mrad) dX (IP) = 18.129268 (m) dZ (IP) = 440.000000 (m) dS (high) = 414.791875 (m) dS (low ) = 465.230146 (m)

  2. 20 kW stopper (tune up) 140 kW dump (tune up) NLC2001 13 MW dump (end of linac)

  3. NLC2002 (Δε/ε)ISR=25% @ 500 GeV (Δε/ε)ISR=13% @ 500 GeV crossing angle (high): 20.000 (mrad) crossing angle (low ): 30.000 (mrad) dX (IP) = 34.485500 (m) dZ (IP) = 149.909621 (m) dS (high) = 0.000000 (m) dS (low ) = 299.792101 (m)

  4. NLC2003 (Δε/ε)ISR=27% @ 500 GeV (Δε/ε)ISR=15% @ 500 GeV crossing angle (high): 20.000 (mrad) crossing angle (low ): 30.000 (mrad) dX (IP) = 34.949323 (m) dZ (IP) = 149.909774 (m) dS (high) = 0.000000 (m) dS (low ) = 299.792458 (m)

  5. 13 MW dump? (end of linac) 140 kW dump? (tune up) 20 kW stopper (tune up) NLC2003

  6. High Energy Final Focus • “full length” Raimondi/Seryi compact system (TRC), 3.51 m L* • bend scaling optimized for 500 GeV cm • “short” superconducting final doublet optimized for 500 GeV cm (2 m QF1, 2.2 m QD0) • “large” detector with 5 T field • Low Energy Final Focus • “intermediate length” Raimondi/Seryi compact system, 3.51 m L* • bend scaling optimized for 500 GeV cm • “short” superconducting final doublet optimized for 500 GeV cm (2 m QF1, 2.2 m QD0) • “large” detector with 5 T field • Dump Lines • Yuri’s most recent modifications • add 100 m drift before dump (for dump/IP separation) • masking in 100 m drift to absorb beamstrahlung gammas from 800-1000 μrad

  7. High Energy Final Focus: Additions & Beautifications • spoilers and absorbers with real physical lengths located per Lew’s table (next slide) • 11 protection collimators (PCs) • 2 photon masks • collimator/mask gaps/bores per Lew’s table for tail-folding octupoles OFF (even though the octupoles are ON in the deck) • 3 PPS stoppers • 2 muon spoilers (9 m and 18 m) • bore of QM11-16 increased from 2 cm to 4 cm

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