/[PAMELA software]/gpamela/history/v_100.txt
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revision 3.9 by cafagna, Wed Dec 14 03:34:40 2005 UTC revision 3.19 by pam-ba, Thu Nov 16 12:01:13 2006 UTC
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1  #  #
2  # $Id: v_100.txt,v 3.8 2005/12/14 03:16:08 cafagna Exp $  # $Id: v_100.txt,v 3.18 2006/11/10 11:39:35 pam-ba Exp $
3  #  #
4  # $Log: v_100.txt,v $  # $Log: v_100.txt,v $
5    # Revision 3.18  2006/11/10 11:39:35  pam-ba
6    # S2 and S1 z-positions corrected, He3 and plystyrene mixture added, Top Plate geometry simulated and titanium mixture added.
7    #
8    # Revision 3.17  2006/10/13 16:36:59  pam-ba
9    # Added a new material, the cadmium, for ND
10    #
11    # Revision 3.16  2006/10/12 11:11:21  pam-ba
12    # ND geometry updated.
13    #
14    # Revision 3.15  2006/10/02 11:17:30  pam-ba
15    # NDET 'SPHE' data card meaning changed. Now it eliminates the whole PAMELA container.
16    #
17    # Revision 3.14  2006/06/30 15:38:16  pam-ba
18    # S22 and S12 heights positioned in GPAMELA at the nominal heights in PAMELA (see document: Main geometrical parameters of the PAMELA sub-detectors, 20 December 2005)
19    #
20    # Revision 3.13  2006/06/05 13:56:17  pamela
21    # Gigantic resonance added for gamma enetering in the calorimeter absorber
22    #
23    # Revision 3.12  2006/05/18 10:52:32  pam-ba
24    # TOF geometry completed and a new material, the polystyrene (density 35 g/l), added
25    #
26    # Revision 3.11  2006/05/11 23:53:15  cafagna
27    # More bugs fixed in the CALO ntple structure filling
28    #
29    # Revision 3.10  2006/04/10 11:07:43  cafagna
30    # GEN data card updated, ZDGEN added
31    #
32    # Revision 3.9  2005/12/14 03:34:40  cafagna
33    # An update of the history and inform readme files.
34    #
35  # Revision 3.8  2005/12/14 03:16:08  cafagna  # Revision 3.8  2005/12/14 03:16:08  cafagna
36  # Neutron detector added. Geometry and GPCALOR package  # Neutron detector added. Geometry and GPCALOR package
37  #  #
# Line 40  Line 70 
70  #CMZ :  1.00/01 28/11/95  18.51.23  by  Francesco Cafagna  #CMZ :  1.00/01 28/11/95  18.51.23  by  Francesco Cafagna
71  #-- Author :    Francesco Cafagna   28/11/95  #-- Author :    Francesco Cafagna   28/11/95
72    
73    November 2006, Bari
74    
75    
76    S4 DIMENSIONS UPDATED:
77    The x and y dimensions have been corrected because they were wrong.
78    
79    TOF POSITIONS DEFINITELY UPDATED:
80    S2 and S1 have been positioned again, after the simulation of the top plate.
81    Before now, the positions were put ad hoc based on the positions given by
82    Sergio Ricciarini in the document 'Main geometrical parameters of the PAMELA
83    sub-detectors' released by O. Adriani, L. Bonechi, E. Mocchiutti and
84    S. Ricciarini on the 20th of December 2005.. These positions were
85    lightly approximated.
86    
87    ND GEOMETRY COMPLETED.
88    The He3 and the polyethylene (CH2) have been added to fill
89    the volumes NDTI and NDPB in the neutron detector. Leonov gave us the
90    details of these materials.
91    
92    TOP PLATE GEOMETRY ADDED.
93    The top plate geometry has been simulated as a N2 box that has the same
94    dimensions of CATA. Inside it, at the right positions, there are S2 and CATA.
95    The real top plate is a rectangular window having a thickness of 0.5 cm
96    (volume TPTL emptied by the volume TPCV). This volume is filled with a mixture
97    of titanium (90%), aluminum (6%) and vanadium (4%). Other parts of titanium
98    are the four volumes TPTU, which are positioned at the corners of TPTL at the
99    same height of CATA, and the four volumes TPTM, which are positioned at the
100    corners of TPTL, at the same height of S2.
101    The geometry  of the top plate is based on a simplified version of the CAD
102    drawings.
103    
104    October 2006, Bari
105    
106    The geometry of the neutron detector has been updated. Some dimensions of some
107    volumes have been corrected and the aluminum cover and the aluminum boxes to
108    put the cables have been added. A new material, the cadmium, has been also
109    defined.
110    
111    September 2006, Bari
112    
113    SPHE and ND data card bugs fixed: the definition of the ND data card,
114    missing in the subroutine gpgeo.F, has been added; the meaning of the SPHE
115    data card has been changed. Before the correction the data card:
116    NDET 'SPHE' was used to delete the spherical top shell to substitute it with
117    a flat one.Now NDET 'SPHE' eliminates the whole container of PAMELA.
118    
119    
120    June 2006, Bari
121    
122    The center of the scintillator planes S22Y (variable ZPAMS22Y in gpdgeo.inc)
123    and S12X (variable ZPAMS12X in gpdgeo.inc) has been positioned at the
124    nominal height as measured in PAMELA (See the document: "Main geometrical
125    parameters of the PAMELA sub-detectors" by O. Adriani, L. Bonechi,
126    E. Mocchiutti, S. Ricciarini, 20 December 2005). Follows that the positions
127    of S21Y and S12X are higher than those in the cited document due to the fact
128    that in GPAMELA the thickness of the mylar has been considered while in the
129    document it has been neglected.
130    
131    
132    May 2006, Bari & Tor Vergata
133    
134    GIGANTIC RESONANCE FOR NEUTRON DETECTOR ADDED
135    
136       Routines to simulate the gigantic resonance of gammas in Tungsten
137       have been added.  The GPGIG routine is called in GUSTEP if a gamma
138       enter the calorimeter absorber.  This is the steering routine to
139       simulate the production of neutrons from gigantic resonance.  It
140       does checks on STEP lenght. If the range is smaller than the other
141       selected for that step, it does generate the neutron and stops the
142       gamma. Please note that the neutron has now a new particle
143       number. This is to tag the gigantic resonance neutrons.
144    
145    
146    May 2006, Bari & Florence
147    
148    CAL HIT STRUCTURE BUGS FIXED
149    
150       The maximum number of hit is now different for the two hit
151       structures: CALST and CALI. Vectors inizialization and HBOOK
152       ntple booking have been updated. The GPDCAL routine has been fixed
153       so to handle the case in wich hits stored are more than the maximum
154       number of hit.
155       In this case in the ntple up to the maximum number of hits will be stored.
156    
157    April 2006, Bari
158    
159    TOF GEOMETRY AND POSITIONS UPDATED AND NEW MIXTURES ADDED
160    
161       The TOF geometry has been modified. The following boxes have been
162       added: POL1, POL2 and POLY made of polystyrene, S11M, S12M, S21M,
163       S22M, S31M and S32M made of mylar, S1A, S2A and S3 made of air and
164       S1 and S2 made of aluminum. Each scintillator paddle has been put
165       in his mylar box and the other materials: air, polystyrene, and
166       aluminum have been added at their nominal positions.  According to
167       Naples people the araldite glue has been simulated has an air
168       gap. For this work two new materials: the Mylar (MYLAR) and the
169       polystyrene (POLYSTYRENE) with a density of 35 g/l have been
170       defined as a mixture.  The positions of the three bottom
171       scintillator planes that contain respectively the S12X, S22Y and
172       S32X paddles have been regulated according on their official
173       positions in PAMELA.
174    
175    Mar 2006, Bari
176    
177    GEN DATA CARD UPDATED
178    
179       To enable generation on a surface perpendicular to the XY plane,
180       GEN gata card has been updated addingh a new parameter: ZDGEN. This is
181       the dimension, along Z axis , of the generation surface. The Z
182       position will be randomply chosen according to: Z= ZDGEN*RNDM_NUMBER +
183       ZGEN, i.e. Z= GEN(6)*RNDM_NOMBER + GEN(3).
184    
185  Nov 2005, Bari  Nov 2005, Bari
186    
187  GUHADR AND GUPHAD UPDATED  GUHADR AND GUPHAD UPDATED
# Line 92  GCALOR PACKAGE ADDED. NEW DIRs: GPCALOR, Line 234  GCALOR PACKAGE ADDED. NEW DIRs: GPCALOR,
234        
235    
236  The GCALOR package  The GCALOR package
237    
238    June 2005, Bari
239    
240    TOF SCINTILLATOR PADDLES UPDATED
241    
242       The dimensions and the number of the scintillator paddles for each
243       TOF planes have been updated.
244    
245  May 2005, Bari  May 2005, Bari
246    
247  Some updates on the latest modification done in the past year.  Some updates on the latest modification done in the past year.

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