/[PAMELA software]/gpamela/history/v_100.txt

Diff of /gpamela/history/v_100.txt

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-revision 3.16 by pam-ba,
Thu Oct 12 11:11:21 2006 UTC
+revision 3.22 by pam-ba,
Tue Nov 28 11:43:41 2006 UTC
 Line 1
  #
- # $Id: v_100.txt,v 3.15 2006/10/02 11:17:30 pam-ba Exp $
+ # $Id: v_100.txt,v 3.21 2006/11/28 10:26:15 pam-ba Exp $
  #
  # $Log: v_100.txt,v $
+ # Revision 3.21  2006/11/28 10:26:15  pam-ba
+ # S3 positioning completed
+ #
+ # Revision 3.20  2006/11/16 18:45:29  pam-ba
+ # Simulated an aluminum container for S4
+ #
+ # Revision 3.19  2006/11/16 12:01:13  pam-ba
+ # S4 dimensions corrected.
+ #
+ # Revision 3.18  2006/11/10 11:39:35  pam-ba
+ # S2 and S1 z-positions corrected, He3 and plystyrene mixture added, Top Plate geometry simulated and titanium mixture added.
+ #
+ # Revision 3.17  2006/10/13 16:36:59  pam-ba
+ # Added a new material, the cadmium, for ND
+ #
+ # Revision 3.16  2006/10/12 11:11:21  pam-ba
+ # ND geometry updated.
+ #
  # Revision 3.15  2006/10/02 11:17:30  pam-ba
  # NDET 'SPHE' data card meaning changed. Now it eliminates the whole PAMELA container.
  #
-Line 61
+Line 79
  #CMZ :  1.00/01 28/11/95  18.51.23  by  Francesco Cafagna
  #-- Author :    Francesco Cafagna   28/11/95
+ November 2006, Bari
+ S4 GEOMETRY UPDATED:
+ The x and y dimensions have been corrected because they were wrong.
+ A container of aluminum has been added having walls of thickness equal
+ to 0.1 cm.
+ TOF POSITIONS DEFINITELY UPDATED:
+ S2 and S1 have been positioned again, after the simulation of the top plate.
+ Before now, the positions were put by hand based on the positions given by
+ Sergio Ricciarini in the document 'Main geometrical parameters of the PAMELA
+ sub-detectors' released by O. Adriani, L. Bonechi, E. Mocchiutti and
+ S. Ricciarini on the 20th of December 2005.. These positions were
+ lightly approximated because the thicknesses of the mylar and of the glue were
+ not considered in that document. Also the height of S3 has been modified as
+ suggested from the Naples PAMELA collaborators.
+ ND GEOMETRY COMPLETED.
+ The He3 and the polyethylene (CH2) have been added to fill
+ the volumes NDTI and NDPB in the neutron detector. Leonov gave us the
+ details of these materials.
+ TOP PLATE GEOMETRY ADDED.
+ The top plate geometry has been simulated as a rectangular window filled
+ with a mixture of titanium (90%), aluminum (6%) and vanadium (4%). It has been
+ put in a N2 box having the same planar dimensions of CATA. In this box there
+ are also S2 and CATA at the right positions. Then the top plate geometry has
+ been completed with other eight small volumes of titanium positioned at the
+ corners of the N2 box. Four of them are at the same height of CATA, the
+ other four are at the same height of S2. The simulated geometry of the top
+ plate is based on a simplified version of the CAD drawings.
  October 2006, Bari
  The geometry of the neutron detector has been updated. Some dimensions of some
- volumes have been corrected while the aluminum cover and the aluminum boxes to
+ volumes have been corrected and the aluminum cover and the aluminum boxes to
- put the cables have been added.
+ put the cables have been added. A new material, the cadmium, has been also
+ defined.
  September 2006, Bari

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