Geant4  10.01
G4SIunits.hh
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26 //
27 // $Id: G4SIunits.hh 67970 2013-03-13 10:10:06Z gcosmo $
28 //
29 // ----------------------------------------------------------------------
30 //
31 // Class description:
32 //
33 // This file is a modified version of SystemOfUnits.h
34 // It is provided for checking the overall 'units coherence' of the
35 // Geant4 kernel.
36 // -------
37 // Warning: if you use it, do not forget to recompile the whole Geant4 kernel
38 // -------
39 // The basic units are those of the International System:
40 //
41 // meter
42 // second
43 // kilogram
44 // ampere
45 // degree kelvin
46 // the amount of substance (mole)
47 // luminous intensity (candela)
48 // radian
49 // steradian
50 //
51 //
52 // The SI numerical value of the positron charge is defined here,
53 // as it is needed for conversion factor : positron charge = e_SI (coulomb)
54 //
55 // The others physical constants are defined in the header file :
56 // PhysicalConstants.h
57 //
58 
59 // Authors: M.Maire, S.Giani
60 //
61 // History:
62 //
63 // 10.03.99 created
64 // 01.03.01 parsec
65 
66 #ifndef G4UNITSTEST_HH
67 #define G4UNITSTEST_HH
68 
69 //
70 // Length [L]
71 //
72 static const double meter = 1.;
73 static const double meter2 = meter*meter;
74 static const double meter3 = meter*meter*meter;
75 
76 static const double millimeter = 0.001*meter;
77 static const double millimeter2 = millimeter*millimeter;
79 
80 static const double centimeter = 10.*millimeter;
81 static const double centimeter2 = centimeter*centimeter;
83 
84 static const double kilometer = 1000.*meter;
85 static const double kilometer2 = kilometer*kilometer;
86 static const double kilometer3 = kilometer*kilometer*kilometer;
87 
88 static const double parsec = 3.0856775807e+16*meter;
89 
90 static const double micrometer = 1.e-6 *meter;
91 static const double nanometer = 1.e-9 *meter;
92 static const double angstrom = 1.e-10*meter;
93 static const double fermi = 1.e-15*meter;
94 
95 static const double barn = 1.e-28*meter2;
96 static const double millibarn = 1.e-3 *barn;
97 static const double microbarn = 1.e-6 *barn;
98 static const double nanobarn = 1.e-9 *barn;
99 static const double picobarn = 1.e-12*barn;
100 
101 // symbols
102 static const double mm = millimeter;
103 static const double mm2 = millimeter2;
104 static const double mm3 = millimeter3;
105 
106 static const double cm = centimeter;
107 static const double cm2 = centimeter2;
108 static const double cm3 = centimeter3;
109 
110 static const double m = meter;
111 static const double m2 = meter2;
112 static const double m3 = meter3;
113 
114 static const double km = kilometer;
115 static const double km2 = kilometer2;
116 static const double km3 = kilometer3;
117 
118 static const double pc = parsec;
119 
120 //
121 // Angle
122 //
123 static const double radian = 1.;
124 static const double milliradian = 1.e-3*radian;
125 static const double degree = (3.14159265358979323846/180.0)*radian;
126 
127 static const double steradian = 1.;
128 
129 // symbols
130 static const double rad = radian;
131 static const double mrad = milliradian;
132 static const double sr = steradian;
133 static const double deg = degree;
134 
135 //
136 // Time [T]
137 //
138 static const double second = 1.;
139 static const double nanosecond = 1.e-9 *second;
140 static const double millisecond = 1.e-3 *second;
141 static const double microsecond = 1.e-6 *second;
142 static const double picosecond = 1.e-12*second;
143 
144 static const double hertz = 1./second;
145 static const double kilohertz = 1.e+3*hertz;
146 static const double megahertz = 1.e+6*hertz;
147 
148 // symbols
149 static const double ns = nanosecond;
150 static const double s = second;
151 static const double ms = millisecond;
152 
153 //
154 // Mass [E][T^2][L^-2]
155 //
156 static const double kilogram = 1.;
157 static const double gram = 1.e-3*kilogram;
158 static const double milligram = 1.e-3*gram;
159 
160 // symbols
161 static const double kg = kilogram;
162 static const double g = gram;
163 static const double mg = milligram;
164 
165 //
166 // Electric current [Q][T^-1]
167 //
168 static const double ampere = 1.;
169 static const double milliampere = 1.e-3*ampere;
170 static const double microampere = 1.e-6*ampere;
171 static const double nanoampere = 1.e-9*ampere;
172 
173 //
174 // Electric charge [Q]
175 //
176 static const double coulomb = ampere*second;
177 static const double e_SI = 1.60217733e-19; // positron charge in coulomb
178 static const double eplus = e_SI*coulomb ; // positron charge
179 
180 //
181 // Energy [E]
182 //
183 static const double joule = kg*m*m/(s*s);
184 
185 static const double electronvolt = e_SI*joule;
186 static const double kiloelectronvolt = 1.e+3*electronvolt;
187 static const double megaelectronvolt = 1.e+6*electronvolt;
188 static const double gigaelectronvolt = 1.e+9*electronvolt;
189 static const double teraelectronvolt = 1.e+12*electronvolt;
190 static const double petaelectronvolt = 1.e+15*electronvolt;
191 
192 // symbols
193 static const double MeV = megaelectronvolt;
194 static const double eV = electronvolt;
195 static const double keV = kiloelectronvolt;
196 static const double GeV = gigaelectronvolt;
197 static const double TeV = teraelectronvolt;
198 static const double PeV = petaelectronvolt;
199 
200 //
201 // Power [E][T^-1]
202 //
203 static const double watt = joule/second; // watt = 6.24150 e+3 * MeV/ns
204 
205 //
206 // Force [E][L^-1]
207 //
208 static const double newton = joule/meter; // newton = 6.24150 e+9 * MeV/mm
209 
210 //
211 // Pressure [E][L^-3]
212 //
213 #define pascal hep_pascal // a trick to avoid warnings
214 static const double hep_pascal = newton/m2; // pascal = 6.24150 e+3 * MeV/mm3
215 static const double bar = 100000*pascal; // bar = 6.24150 e+8 * MeV/mm3
216 static const double atmosphere = 101325*pascal; // atm = 6.32420 e+8 * MeV/mm3
217 
218 //
219 // Electric potential [E][Q^-1]
220 //
221 static const double megavolt = megaelectronvolt/eplus;
222 static const double kilovolt = 1.e-3*megavolt;
223 static const double volt = 1.e-6*megavolt;
224 
225 //
226 // Electric resistance [E][T][Q^-2]
227 //
228 static const double ohm = volt/ampere; // ohm = 1.60217e-16*(MeV/eplus)/(eplus/ns)
229 
230 //
231 // Electric capacitance [Q^2][E^-1]
232 //
233 static const double farad = coulomb/volt; // farad = 6.24150e+24 * eplus/Megavolt
234 static const double millifarad = 1.e-3*farad;
235 static const double microfarad = 1.e-6*farad;
236 static const double nanofarad = 1.e-9*farad;
237 static const double picofarad = 1.e-12*farad;
238 
239 //
240 // Magnetic Flux [T][E][Q^-1]
241 //
242 static const double weber = volt*second; // weber = 1000*megavolt*ns
243 
244 //
245 // Magnetic Field [T][E][Q^-1][L^-2]
246 //
247 static const double tesla = volt*second/meter2; // tesla =0.001*megavolt*ns/mm2
248 
249 static const double gauss = 1.e-4*tesla;
250 static const double kilogauss = 1.e-1*tesla;
251 
252 //
253 // Inductance [T^2][E][Q^-2]
254 //
255 static const double henry = weber/ampere; // henry = 1.60217e-7*MeV*(ns/eplus)**2
256 
257 //
258 // Temperature
259 //
260 static const double kelvin = 1.;
261 
262 //
263 // Amount of substance
264 //
265 static const double mole = 1.;
266 
267 //
268 // Activity [T^-1]
269 //
270 static const double becquerel = 1./second ;
271 static const double curie = 3.7e+10 * becquerel;
272 
273 //
274 // Absorbed dose [L^2][T^-2]
275 //
276 static const double gray = joule/kilogram ;
277 
278 //
279 // Luminous intensity [I]
280 //
281 static const double candela = 1.;
282 
283 //
284 // Luminous flux [I]
285 //
286 static const double lumen = candela*steradian;
287 
288 //
289 // Illuminance [I][L^-2]
290 //
291 static const double lux = lumen/meter2;
292 
293 //
294 // Miscellaneous
295 //
296 static const double perCent = 0.01 ;
297 static const double perThousand = 0.001;
298 static const double perMillion = 0.000001;
299 
300 #endif /* G4UNITSTEST_HH */
static const double cm
Definition: G4SIunits.hh:106
static const double kilometer3
Definition: G4SIunits.hh:86
static const double megavolt
Definition: G4SIunits.hh:221
static const double gram
Definition: G4SIunits.hh:157
static const double farad
Definition: G4SIunits.hh:233
static const double lux
Definition: G4SIunits.hh:291
static const double MeV
Definition: G4SIunits.hh:193
static const double lumen
Definition: G4SIunits.hh:286
static const double megaelectronvolt
Definition: G4SIunits.hh:187
static const double cm2
Definition: G4SIunits.hh:107
static const double kilometer
Definition: G4SIunits.hh:84
static const double nanobarn
Definition: G4SIunits.hh:98
static const double milligram
Definition: G4SIunits.hh:158
static const double m3
Definition: G4SIunits.hh:112
static const double nanofarad
Definition: G4SIunits.hh:236
static const double nanometer
Definition: G4SIunits.hh:91
static const double volt
Definition: G4SIunits.hh:223
static const double millimeter3
Definition: G4SIunits.hh:78
static const double microbarn
Definition: G4SIunits.hh:97
static const double hep_pascal
Definition: G4SIunits.hh:214
static const double km2
Definition: G4SIunits.hh:115
static const double candela
Definition: G4SIunits.hh:281
static const double joule
Definition: G4SIunits.hh:183
static const double centimeter3
Definition: G4SIunits.hh:82
static const double kilohertz
Definition: G4SIunits.hh:145
static const double perThousand
Definition: G4SIunits.hh:297
static const double parsec
Definition: G4SIunits.hh:88
static const double mg
Definition: G4SIunits.hh:163
static const double henry
Definition: G4SIunits.hh:255
static const double microfarad
Definition: G4SIunits.hh:235
static const double watt
Definition: G4SIunits.hh:203
static const double newton
Definition: G4SIunits.hh:208
static const double steradian
Definition: G4SIunits.hh:127
static const double centimeter2
Definition: G4SIunits.hh:81
static const double s
Definition: G4SIunits.hh:150
static const double ohm
Definition: G4SIunits.hh:228
static const double ms
Definition: G4SIunits.hh:151
static const double microsecond
Definition: G4SIunits.hh:141
static const double millimeter2
Definition: G4SIunits.hh:77
static const double kiloelectronvolt
Definition: G4SIunits.hh:186
static const double km3
Definition: G4SIunits.hh:116
static const double megahertz
Definition: G4SIunits.hh:146
static const double electronvolt
Definition: G4SIunits.hh:185
static const double meter2
Definition: G4SIunits.hh:73
static const double m2
Definition: G4SIunits.hh:111
static const double meter
Definition: G4SIunits.hh:72
static const double deg
Definition: G4SIunits.hh:133
static const double coulomb
Definition: G4SIunits.hh:176
static const double becquerel
Definition: G4SIunits.hh:270
static const double cm3
Definition: G4SIunits.hh:108
static const double kg
Definition: G4SIunits.hh:161
static const double second
Definition: G4SIunits.hh:138
static const double GeV
Definition: G4SIunits.hh:196
static const double perCent
Definition: G4SIunits.hh:296
static const double bar
Definition: G4SIunits.hh:215
static const double millisecond
Definition: G4SIunits.hh:140
static const double mrad
Definition: G4SIunits.hh:131
static const double teraelectronvolt
Definition: G4SIunits.hh:189
static const double pc
Definition: G4SIunits.hh:118
static const double hertz
Definition: G4SIunits.hh:144
static const double nanoampere
Definition: G4SIunits.hh:171
static const double rad
Definition: G4SIunits.hh:130
static const double kelvin
Definition: G4SIunits.hh:260
static const double curie
Definition: G4SIunits.hh:271
#define pascal
Definition: G4SIunits.hh:213
static const double gray
Definition: G4SIunits.hh:276
static const double kilovolt
Definition: G4SIunits.hh:222
static const double centimeter
Definition: G4SIunits.hh:80
static const double perMillion
Definition: G4SIunits.hh:298
static const double micrometer
Definition: G4SIunits.hh:90
static const double eV
Definition: G4SIunits.hh:194
static const double picofarad
Definition: G4SIunits.hh:237
static const double PeV
Definition: G4SIunits.hh:198
static const double mm2
Definition: G4SIunits.hh:103
static const double nanosecond
Definition: G4SIunits.hh:139
static const double km
Definition: G4SIunits.hh:114
static const double e_SI
Definition: G4SIunits.hh:177
static const double millifarad
Definition: G4SIunits.hh:234
static const double kilogram
Definition: G4SIunits.hh:156
static const double g
Definition: G4SIunits.hh:162
static const double gauss
Definition: G4SIunits.hh:249
static const double atmosphere
Definition: G4SIunits.hh:216
static const double gigaelectronvolt
Definition: G4SIunits.hh:188
static const double petaelectronvolt
Definition: G4SIunits.hh:190
static const double millibarn
Definition: G4SIunits.hh:96
static const double degree
Definition: G4SIunits.hh:125
static const double milliampere
Definition: G4SIunits.hh:169
static const double mole
Definition: G4SIunits.hh:265
static const double millimeter
Definition: G4SIunits.hh:76
static const double radian
Definition: G4SIunits.hh:123
static const double TeV
Definition: G4SIunits.hh:197
static const double m
Definition: G4SIunits.hh:110
static const double keV
Definition: G4SIunits.hh:195
static const double barn
Definition: G4SIunits.hh:95
static const double picosecond
Definition: G4SIunits.hh:142
static const double tesla
Definition: G4SIunits.hh:247
static const double eplus
Definition: G4SIunits.hh:178
static const double kilogauss
Definition: G4SIunits.hh:250
static const double sr
Definition: G4SIunits.hh:132
static const double microampere
Definition: G4SIunits.hh:170
static const double mm
Definition: G4SIunits.hh:102
static const double ampere
Definition: G4SIunits.hh:168
static const double milliradian
Definition: G4SIunits.hh:124
static const double fermi
Definition: G4SIunits.hh:93
static const double meter3
Definition: G4SIunits.hh:74
static const double weber
Definition: G4SIunits.hh:242
static const double kilometer2
Definition: G4SIunits.hh:85
static const double ns
Definition: G4SIunits.hh:149
static const double angstrom
Definition: G4SIunits.hh:92
static const double picobarn
Definition: G4SIunits.hh:99
static const double mm3
Definition: G4SIunits.hh:104