/[PAMELA software]/gpamela/history/v_100.txt
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revision 3.20 by pam-ba, Thu Nov 16 18:45:29 2006 UTC revision 3.22 by pam-ba, Tue Nov 28 11:43:41 2006 UTC
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1  #  #
2  # $Id: v_100.txt,v 3.19 2006/11/16 12:01:13 pam-ba Exp $  # $Id: v_100.txt,v 3.21 2006/11/28 10:26:15 pam-ba Exp $
3  #  #
4  # $Log: v_100.txt,v $  # $Log: v_100.txt,v $
5    # Revision 3.21  2006/11/28 10:26:15  pam-ba
6    # S3 positioning completed
7    #
8    # Revision 3.20  2006/11/16 18:45:29  pam-ba
9    # Simulated an aluminum container for S4
10    #
11  # Revision 3.19  2006/11/16 12:01:13  pam-ba  # Revision 3.19  2006/11/16 12:01:13  pam-ba
12  # S4 dimensions corrected.  # S4 dimensions corrected.
13  #  #
# Line 83  to 0.1 cm.   Line 89  to 0.1 cm.  
89    
90  TOF POSITIONS DEFINITELY UPDATED:  TOF POSITIONS DEFINITELY UPDATED:
91  S2 and S1 have been positioned again, after the simulation of the top plate.  S2 and S1 have been positioned again, after the simulation of the top plate.
92  Before now, the positions were put ad hoc based on the positions given by  Before now, the positions were put by hand based on the positions given by
93  Sergio Ricciarini in the document 'Main geometrical parameters of the PAMELA  Sergio Ricciarini in the document 'Main geometrical parameters of the PAMELA
94  sub-detectors' released by O. Adriani, L. Bonechi, E. Mocchiutti and  sub-detectors' released by O. Adriani, L. Bonechi, E. Mocchiutti and
95  S. Ricciarini on the 20th of December 2005.. These positions were  S. Ricciarini on the 20th of December 2005.. These positions were
96  lightly approximated.  lightly approximated because the thicknesses of the mylar and of the glue were
97    not considered in that document. Also the height of S3 has been modified as
98    suggested from the Naples PAMELA collaborators.
99    
100  ND GEOMETRY COMPLETED.  ND GEOMETRY COMPLETED.
101  The He3 and the polyethylene (CH2) have been added to fill  The He3 and the polyethylene (CH2) have been added to fill
# Line 95  the volumes NDTI and NDPB in the neutron Line 103  the volumes NDTI and NDPB in the neutron
103  details of these materials.  details of these materials.
104    
105  TOP PLATE GEOMETRY ADDED.  TOP PLATE GEOMETRY ADDED.
106  The top plate geometry has been simulated as a N2 box that has the same  The top plate geometry has been simulated as a rectangular window filled
107  dimensions of CATA. Inside it, at the right positions, there are S2 and CATA.  with a mixture of titanium (90%), aluminum (6%) and vanadium (4%). It has been
108  The real top plate is a rectangular window having a thickness of 0.5 cm  put in a N2 box having the same planar dimensions of CATA. In this box there
109  (volume TPTL emptied by the volume TPCV). This volume is filled with a mixture  are also S2 and CATA at the right positions. Then the top plate geometry has
110  of titanium (90%), aluminum (6%) and vanadium (4%). Other parts of titanium  been completed with other eight small volumes of titanium positioned at the
111  are the four volumes TPTU, which are positioned at the corners of TPTL at the  corners of the N2 box. Four of them are at the same height of CATA, the
112  same height of CATA, and the four volumes TPTM, which are positioned at the  other four are at the same height of S2. The simulated geometry of the top
113  corners of TPTL, at the same height of S2.  plate is based on a simplified version of the CAD drawings.
 The geometry  of the top plate is based on a simplified version of the CAD  
 drawings.  
114    
115  October 2006, Bari  October 2006, Bari
116    
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