From 0a3b2349d439203d8524a233cd127f39ef5471f5 Mon Sep 17 00:00:00 2001 From: morsch Date: Mon, 12 Jun 2000 19:38:21 +0000 Subject: [PATCH] Default parameters for SHIL --- STRUCT/SHILConst.h | 125 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 125 insertions(+) create mode 100644 STRUCT/SHILConst.h diff --git a/STRUCT/SHILConst.h b/STRUCT/SHILConst.h new file mode 100644 index 00000000000..ac75893e07a --- /dev/null +++ b/STRUCT/SHILConst.h @@ -0,0 +1,125 @@ +#ifndef SHILCONST_H +#define SHILCONST_H + +/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. */ + +/* $Id$ */ + +// angle of 2nd cone + const Float_t thetaOpen2 = 0.8*kDegrad; +// angle of 3rd cone + const Float_t thetaOpen3 = 0.9*kDegrad; +// angle of beam tube in second cone + const Float_t thetaOpenB = 0.74*kDegrad; +// inner lead Cone opening angle + const Float_t thetaOpenPb = 0.6*kDegrad; +// Outer Pb Cone opening angle + const Float_t thetaOpenPbO = 1.6*kDegrad; +// Start of lead cone + const Float_t zPb = 810.; +// y-position of trigger wall + const Float_t zFilterIn = 1471.; + const Float_t zFilterOut = zFilterIn+120.; +// end of 2-degree outer cone + const Float_t zConeE = 30./TMath::Tan(accMin); +// +// + Float_t dTubeS=0.1; + const Float_t dInsuS=0.9; + const Float_t dEnveS=0.1; + const Float_t dProtS=0.2; + const Float_t dFreeS=0.5; + + Float_t dVacuS=dTubeS+dInsuS+dEnveS+dProtS+dFreeS; + +// +// Radii and z-positions imposed by vacuum chamber layout +// +// FIRST SECTION +// delta_R for bellows + const Float_t dr11=1.8; +// delta_R for flange + const Float_t dr12=0.875; +// delta_R to catch up with cone + const Float_t dr13=0.525; +// flange length + const Float_t dF1=2.*3.9; +// bellow length + const Float_t dB1=18.482-dF1/2-dr11; +// Flange position + const Float_t zvac2=518.; + const Float_t zvac1=zvac2-dF1/2-dB1-dr11-dr12; + const Float_t zvac3=zvac2+dF1/2+dB1+dr12+dr13; + const Float_t zvac4=558.; +// Outer shield dimensions + const Float_t R11=15.45; +// Steel Envelope + const Float_t dRSteel1=2.; + const Float_t dRSteel2=4.; +// According to design +// const Float_t R21=20.3; +// to avoid overlap with 2deg line + const Float_t R21=19.4; +// +// 2nd Section +// + const Float_t zvac5=zvac4+4.; +// +// 3rd Section +// + const Float_t zvac6=711.; + const Float_t zvac8=1274.; + const Float_t dr21=2.263; + const Float_t dr22=1.3; + const Float_t dr23=2.263; + const Float_t dB2=24.118; + const Float_t dF2=10.6; + const Float_t zvac7=zvac8-dF2/2-dB2-dr22-dr21; + const Float_t zvac9=zvac8+dF2/2+dB2+dr22+dr23; +// +// 4th Section +// + const Float_t zvac10=1466.; + const Float_t zvac11=1800.; + const Float_t zvac12=1900.; + + const Float_t R41=35.; + const Float_t R42=50.; + const Float_t R43=110.; + +// +// Vacuum System +// + +// Bellow1 +// + const Float_t rB1=5.5; + const Float_t hB1=2.25; + const Float_t lB1=0.77; + const Float_t eB1=0.04; +// +// Flange1 +// + const Float_t rF1=8.5; + const Float_t dFlange=0.1; + +// +// Bellow2 +// + const Float_t rB2=15.35; + const Float_t hB2=2.25; + const Float_t lB2=2.32; + const Float_t eB2=0.05; +// +// Flange2 +// + const Float_t rF2=18.8; + +// +// Chamber positions +// +const Float_t dzch=10.; +const Float_t zch1=532.5; +const Float_t zch2=690.; + +#endif -- 2.43.0