Hi Djamel, I strongly trust the magnets in Brag are correct unless someone else has modified default settings I have a meeting at 11-12.30 and can take a further look later. Flemming ------------------------------------------------------ Flemming Videbaek Physics Department Brookhaven National Laboratory tlf: 631-344-4106 fax 631-344-1334 e-mail: videbaek@bnl.gov ----- Original Message ----- From: "Djamel Ouerdane" <ouerdane@nbi.dk> To: "brahms-dev-l" <brahms-dev-l@bnl.gov> Sent: Tuesday, June 11, 2002 9:55 AM Subject: Magnet gaps in brag > Hi, > > I've just checked out brag (after the latest magnet gap update) and > checked some positions in the BFS. The gap length along the X direction > doesn't match for D3 and D4 : > > D3 D4 > SQL DB : 38 40 > BRAG : 40.005 44.625 > > D5 looks fine. > > The positions of the DCs and magnets are all wrong ( from 1 cm to 4 cm > offsets in X in some cases), (the angles too but it's an easy correction). > I can spend a lot of time tuning the parameters "refdist" and > "clearance" for each of the detectors unless someone tells me how to > related these quantities to the positions given in the geo output > (global). That's urgent. > > Thanks. > > Djam > > > -- > Djamel Ouerdane ------------------------------------------o > | Niels Bohr Institute | Home: | > | Blegdamsvej 17, DK-2100 Ø | Jagtvej 141 2D, | > | Fax: +45 35 32 50 16 | DK-2200 Copenhagen N | > | Tel: +45 35 32 52 69 | +45 35 86 19 74 | > | http://www.nbi.dk/~ouerdane | > | ouerdane@nbi.dk | > o---------------------------------------------------------o >
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