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Commit | Line | Data |
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f72b7291 | 1 | void testPDF(Double_t a = 208.) |
2 | { | |
1fa2e049 | 3 | |
4 | gSystem->Load("liblhapdf.so"); | |
5 | StrucFunc_t pdf = kCTEQ6ll; | |
6 | ||
7 | ||
f72b7291 | 8 | // Dynamically link some shared libs |
1fa2e049 | 9 | |
10 | ||
11 | // | |
f72b7291 | 12 | char parm[20][20]; |
13 | Double_t val[20]; | |
14 | // | |
15 | // Initialization | |
16 | // | |
17 | printf("PDF initialized with: \n \n"); | |
1fa2e049 | 18 | strncpy(parm[0], "DEFAULT ", 20); |
19 | val[0] = AliStructFuncType::PDFsetIndex(pdf); | |
f72b7291 | 20 | AliStructFuncType::PdfSet(parm, val); |
1fa2e049 | 21 | |
f72b7291 | 22 | // |
23 | // Plots | |
24 | // | |
25 | // ================================================================ | |
26 | ||
27 | // | |
28 | TCanvas *c1 = new TCanvas("c1","Gluon PDF",400,10,600,700); | |
29 | TF1* f_gl_2 = new TF1("f_gl_2", pdf_gl, -6., 0., 2); | |
30 | f_gl_2->SetParameter(0,2); | |
31 | f_gl_2->SetParameter(1,a); | |
32 | f_gl_2->SetMaximum(1000.); | |
33 | f_gl_2->SetLineColor(1); | |
34 | f_gl_2->Draw(); | |
35 | ||
36 | TF1* f_gl_5 = new TF1("f_gl_5", pdf_gl, -6., 0., 2); | |
37 | f_gl_5->SetParameter(0,5); | |
38 | f_gl_5->SetParameter(1,a); | |
39 | f_gl_5->SetLineColor(2); | |
40 | f_gl_5->Draw("Same"); | |
41 | ||
42 | TF1* f_gl_10 = new TF1("f_gl_10", pdf_gl, -6., 0., 2); | |
43 | f_gl_10->SetParameter(0,10); | |
44 | f_gl_10->SetParameter(1,a); | |
45 | f_gl_10->SetLineColor(3); | |
46 | f_gl_10->Draw("Same"); | |
47 | ||
48 | TF1* f_gl_50 = new TF1("f_gl_50", pdf_gl, -6., 0., 2); | |
49 | f_gl_50->SetParameter(0,50); | |
50 | f_gl_50->SetParameter(1,a); | |
51 | f_gl_50->SetLineColor(4); | |
52 | f_gl_50->Draw("Same"); | |
53 | ||
54 | // ================================================================ | |
55 | // Gluon Modification | |
56 | // | |
57 | TCanvas *c2 = new TCanvas("c2","Gluon PDF Nucl. Mod.",400,10,600,700); | |
58 | ||
59 | TF1* fmod_gl_2 = new TF1("fmod_gl_2", mod_gl, -6., 0., 2); | |
60 | fmod_gl_2->SetParameter(0,2.); | |
61 | fmod_gl_2->SetParameter(1,a); | |
62 | fmod_gl_2->SetMaximum(1.5); | |
63 | fmod_gl_2->SetLineColor(1); | |
64 | fmod_gl_2->Draw(); | |
65 | fmod_gl_2->GetHistogram()->SetXTitle("log(x)"); | |
66 | fmod_gl_2->GetHistogram()->SetYTitle("F^{g}_{A}/F^{g}_{p}"); | |
67 | ||
68 | TF1* fmod_gl_5 = new TF1("fmod_gl_5", mod_gl, -6., 0., 2); | |
69 | fmod_gl_5->SetParameter(0,5.); | |
70 | fmod_gl_5->SetParameter(1,a); | |
71 | fmod_gl_5->SetLineColor(2); | |
72 | fmod_gl_5->Draw("Same"); | |
73 | ||
74 | TF1* fmod_gl_10 = new TF1("fmod_gl_10", mod_gl, -6., 0., 2); | |
75 | fmod_gl_10->SetParameter(0,10.); | |
76 | fmod_gl_10->SetParameter(1,a); | |
77 | fmod_gl_10->SetLineColor(3); | |
78 | fmod_gl_10->Draw("Same"); | |
79 | ||
80 | TF1* fmod_gl_50 = new TF1("fmod_gl_50", mod_gl, -6., 0., 2); | |
81 | fmod_gl_50->SetParameter(0,50.); | |
82 | fmod_gl_50->SetParameter(1,a); | |
83 | fmod_gl_50->SetLineColor(4); | |
84 | fmod_gl_50->Draw("Same"); | |
85 | label(); | |
86 | ||
87 | ||
88 | // ================================================================= | |
89 | // Sea Quark Modification | |
90 | // | |
91 | TCanvas *c3 = new TCanvas("c3","Sea Quark PDF Nucl. Mod.",400,10,600,700); | |
92 | TF1* fmod_sq_2 = new TF1("fmod_sq_2", mod_sq, -6., 0., 2); | |
93 | fmod_sq_2->SetParameter(0,2.); | |
94 | fmod_sq_2->SetParameter(1,a); | |
95 | fmod_sq_2->SetMaximum(1.5); | |
96 | fmod_sq_2->SetLineColor(1); | |
97 | fmod_sq_2->Draw(); | |
98 | fmod_sq_2->GetHistogram()->SetXTitle("log(x)"); | |
99 | fmod_sq_2->GetHistogram()->SetYTitle("F^{sea q}_{A}/F^{sea q}_{p}"); | |
100 | ||
101 | TF1* fmod_sq_5 = new TF1("fmod_sq_5", mod_sq, -6., 0., 2); | |
102 | fmod_sq_5->SetParameter(0,5.); | |
103 | fmod_sq_5->SetParameter(1,a); | |
104 | fmod_sq_5->SetLineColor(2); | |
105 | fmod_sq_5->Draw("Same"); | |
106 | ||
107 | TF1* fmod_sq_10 = new TF1("fmod_sq_10", mod_sq, -6., 0., 2); | |
108 | fmod_sq_10->SetParameter(0,10.); | |
109 | fmod_sq_10->SetParameter(1,a); | |
110 | fmod_sq_10->SetLineColor(3); | |
111 | fmod_sq_10->Draw("Same"); | |
112 | ||
113 | TF1* fmod_sq_50 = new TF1("fmod_sq_50", mod_sq, -6., 0., 2); | |
114 | fmod_sq_50->SetParameter(0,50.); | |
115 | fmod_sq_50->SetParameter(1,a); | |
116 | fmod_sq_50->SetLineColor(4); | |
117 | fmod_sq_50->Draw("Same"); | |
118 | label(); | |
119 | ||
120 | // ================================================================= | |
121 | // Valence Quark Modification | |
122 | // | |
123 | TCanvas *c4 = new TCanvas("c4","Valence Quark PDF Nucl. Mod.", | |
124 | 400,10,600,700); | |
125 | TF1* fmod_vq_2 = new TF1("fmod_vq_2", mod_vq, -6., 0., 2); | |
126 | fmod_vq_2->SetParameter(0,2.); | |
127 | fmod_vq_2->SetParameter(1,a); | |
128 | fmod_vq_2->SetMaximum(1.5); | |
129 | fmod_vq_2->SetLineColor(1); | |
130 | fmod_vq_2->Draw(); | |
131 | fmod_vq_2->GetHistogram()->SetXTitle("log(x)"); | |
132 | fmod_vq_2->GetHistogram()->SetYTitle("F^{val q}_{A}/F^{val q}_{p}"); | |
133 | ||
134 | TF1* fmod_vq_5 = new TF1("fmod_vq_5", mod_vq, -6., 0., 2); | |
135 | fmod_vq_5->SetParameter(0,5.); | |
136 | fmod_vq_5->SetParameter(1,a); | |
137 | fmod_vq_5->SetLineColor(2); | |
138 | fmod_vq_5->SetMaximum(1.5); | |
139 | fmod_vq_5->Draw("Same"); | |
140 | ||
141 | TF1* fmod_vq_10 = new TF1("fmod_vq_10", mod_vq, -6., 0., 2); | |
142 | fmod_vq_10->SetParameter(0,10.); | |
143 | fmod_vq_10->SetParameter(1,a); | |
144 | fmod_vq_10->SetLineColor(3); | |
145 | fmod_vq_10->SetMaximum(1.5); | |
146 | fmod_vq_10->Draw("Same"); | |
147 | ||
148 | TF1* fmod_vq_50 = new TF1("fmod_vq_50", mod_vq, -6., 0., 2); | |
149 | fmod_vq_50->SetParameter(0,50.); | |
150 | fmod_vq_50->SetParameter(1,a); | |
151 | fmod_vq_50->SetLineColor(4); | |
152 | fmod_vq_50->SetMaximum(1.5); | |
153 | fmod_vq_50->Draw("Same"); | |
154 | label(); | |
155 | ||
156 | } | |
157 | ||
158 | ||
159 | Double_t pdf_gl(Double_t* x, Double_t* par) | |
160 | { | |
161 | Double_t xx = TMath::Power(10.,x[0]); | |
162 | Double_t y; | |
163 | Double_t upv, dnv, usea, dsea, str, chm, bot, top, gl; | |
164 | Double_t q = par[0]; | |
165 | Double_t a = par[1]; | |
166 | ||
167 | AliStructFuncType::StructA(xx, q, a, upv, dnv, usea, | |
168 | dsea, str, chm, bot, top, gl); | |
169 | ||
170 | y = gl; | |
171 | ||
172 | return y; | |
173 | } | |
174 | ||
175 | Double_t mod_gl(Double_t* x, Double_t* par) | |
176 | { | |
177 | Double_t xx = TMath::Power(10.,x[0]); | |
178 | Double_t y; | |
179 | Double_t upv, dnv, usea, dsea, str, chm, bot, top, gl; | |
180 | Double_t q = par[0]; | |
181 | Double_t a = par[1]; | |
182 | ||
183 | AliStructFuncType::StructA(xx, q, a, upv, dnv, usea, | |
184 | dsea, str, chm, bot, top, gl); | |
185 | ||
186 | Double_t y1 = gl; | |
187 | ||
188 | AliStructFuncType::StructA(xx, q, 1., upv, dnv, usea, | |
189 | dsea, str, chm, bot, top, gl); | |
190 | ||
191 | return y1/gl; | |
192 | } | |
193 | ||
194 | Double_t mod_sq(Double_t* x, Double_t* par) | |
195 | { | |
196 | Double_t xx = TMath::Power(10.,x[0]); | |
197 | Double_t y; | |
198 | Double_t upv, dnv, usea, dsea, str, chm, bot, top, gl; | |
199 | Double_t q = par[0]; | |
200 | Double_t a = par[1]; | |
201 | ||
202 | AliStructFuncType::StructA(xx, q, a, upv, dnv, usea, | |
203 | dsea, str, chm, bot, top, gl); | |
204 | ||
205 | Double_t y1 = usea+dsea; | |
206 | ||
207 | AliStructFuncType::StructA(xx, q, 1., upv, dnv, usea, | |
208 | dsea, str, chm, bot, top, gl); | |
209 | ||
210 | return y1/(usea+dsea); | |
211 | } | |
212 | ||
213 | ||
214 | Double_t mod_vq(Double_t* x, Double_t* par) | |
215 | { | |
216 | Double_t xx = TMath::Power(10.,x[0]); | |
217 | Double_t y; | |
218 | Double_t upv, dnv, usea, dsea, str, chm, bot, top, gl; | |
219 | Double_t q = par[0]; | |
220 | Double_t a = par[1]; | |
221 | ||
222 | AliStructFuncType::StructA(xx, q, a, upv, dnv, usea, | |
223 | dsea, str, chm, bot, top, gl); | |
224 | ||
225 | Double_t y1 = upv+dnv; | |
226 | ||
227 | AliStructFuncType::StructA(xx, q, 1., upv, dnv, usea, | |
228 | dsea, str, chm, bot, top, gl); | |
229 | ||
230 | return y1/(upv+dnv); | |
231 | } | |
232 | ||
233 | ||
234 | void label() | |
235 | { | |
236 | TLine *line = new TLine(-5.7,1.4,-5.2,1.4); | |
237 | line->SetLineColor(1); | |
238 | line->SetLineWidth(3); | |
239 | line->Draw(); | |
240 | tex = new TLatex(-5.1, 1.38,"Q = 2 GeV"); | |
241 | tex->SetTextSize(0.04); | |
242 | tex->SetLineWidth(2); | |
243 | tex->Draw(); | |
244 | ||
245 | TLine *line = new TLine(-5.7,1.3,-5.2,1.3); | |
246 | line->SetLineColor(2); | |
247 | line->SetLineWidth(3); | |
248 | line->Draw(); | |
249 | tex = new TLatex(-5.1, 1.28,"Q = 5 GeV"); | |
250 | tex->SetTextSize(0.04); | |
251 | tex->SetLineWidth(2); | |
252 | tex->Draw(); | |
253 | ||
254 | ||
255 | TLine *line = new TLine(-5.7,1.2,-5.2,1.2); | |
256 | line->SetLineColor(3); | |
257 | line->SetLineWidth(3); | |
258 | line->Draw(); | |
259 | tex = new TLatex(-5.1, 1.18,"Q = 10 GeV"); | |
260 | tex->SetTextSize(0.04); | |
261 | tex->SetLineWidth(2); | |
262 | tex->Draw(); | |
263 | ||
264 | ||
265 | TLine *line = new TLine(-5.7,1.1,-5.2,1.1); | |
266 | line->SetLineColor(4); | |
267 | line->SetLineWidth(3); | |
268 | line->Draw(); | |
269 | tex = new TLatex(-5.1, 1.08,"Q = 50 GeV"); | |
270 | tex->SetTextSize(0.04); | |
271 | tex->SetLineWidth(2); | |
272 | tex->Draw(); | |
273 | } | |
274 | ||
275 | ||
276 |