Schematics for simplified energy deposition study in IR7 R. Assmann

Parallel beam separation:224 mm MBW.D6L7.B m3.40m DRIFT m0.84m MBW.C6L7.B m3.40m TCPV m0.20m1.571rad TCPH m0.20m0.000rad TCPS m0.20m2.356rad MBW.B6L7.B m3.40m DRIFT m0.84m MBW.A6L7.B m3.40m Parallel beam separation:194 mm TCS.001.B m2.00m0.717rad TCSH.001.B m2.00m0.717rad TCS.002.B m2.00m2.469rad TCSH.002.B m2.00m2.469rad TCS.0016.B m2.00m0.008rad TCSH.0016.B m2.00m0.008rad BPMW.B5L7.B m MQWA.D5L7.B m3.11m Length of dogleg: 40m Horizontal displacement: 0.03m Kick angle: ± 0.38 mrad Note: TCSH installed only for phase 2! Beam2 collimators put around beam2!

194mm 224mm TCP 40m TCS TCSH QUAD Beam 1 Beam 2

Dogleg bends Ins. Type Numb. L [m] Nom. B Op. TeV Aper. sep. IR1 MBXW 2* T (770 A) mm IR3 MBW 2* T (700 A) mm IR5 MBXW 2* T (770 A) mm IR7 MBW 2* T (700 A) mm Take operating B, making sure that 0.38mrad are obtained with 7 TeV! Magnet contact: Suitbert Ramberger. Beam pipes:Material Inner radiusThickness wallLocation Cu52 mm2 mmDogleg Cu80 mm2 mmCollimators Cu29x51 mm 2 2 mmQD Cu51x29 mm 2 2 mmQF Note: E.g. quadrupole is QF for beam1 and QD for beam2!

Beam Loss Maps Impact of 600,000 protons at – primary collimator 1 (vertical) – primary collimator 2 (horizontal) – primary collimator 3 (skew 45 deg) Specify impact offset and angle Beam loss map (absorption = inelastic interaction)

Definition of Jaw Rotation x y  Beam goes into the plane

Loss Map & Impact TCP 1 # 1=icoll 2=nimp 3=nabs 4=imp_av 5=imp_sig E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E /115900_ Divergence x [urad]: 0.0 Divergence y [urad]: 17.0 Aperture [mm]: 1.22  =  / protons absorbed

Efficiency TCP 1 10 sigma [e-4] : 7.67

Loss Map & Impact TCP /123240_ Divergence x [urad]: Divergence y [urad]: 0.00 Aperture [mm]: 1.63 # 1=icoll 2=nimp 3=nabs 4=imp_av 5=imp_sig E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E-03  = protons absorbed

Efficiency TCP 2 10 sigma [e-4] : 11.42

Loss Map & Impact TCP /114626_ Divergence x [urad]: Divergence y [urad]: Aperture [mm]: 1.44 # 1=icoll 2=nimp 3=nabs 4=imp_av 5=imp_sig E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E protons absorbed  = 3  /4

Efficiency TCP 3 10 sigma [e-4] : 4.69