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Last change on this file since 1173 was 1116, checked in by Pavel Demin, 12 years ago

add Rho branch and HepMCEvent::Weight
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[593]1<html>
2<head>
3 <meta HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1">
4 <meta NAME="keywords" CONTENT="root, tree, ntuple, format, description">
5 <title>root tree description</title>
6</head>
7<body>
8<H1>root tree description</H1>
9<hr>
10<H2>Classes</H2>
11<hr>
12<table style="border: 1px dotted;" align="center" border="0" cellpadding="7" cellspacing="3" widt="95%">
13<tr><td><b>Parameter</b></td>
14<td><b>Definition</b></td>
15<td><b>How it was calculated</b></td></tr>
[876]16<tr bgcolor="#ffffff"><td colspan=3><hr><a name="Event"><H3>Event</H3><hr></td></tr>
[948]17<tr bgcolor="#eeeeee">
[593]18 <td>Number</td>
[876]19 <td>event number</td>
[593]20 <td></td>
21</tr>
[876]22<tr bgcolor="#ffffff"><td colspan=3><hr><a name="LHCOEvent"><H3>LHCOEvent</H3><hr></td></tr>
[948]23<tr bgcolor="#ffffff">
[876]24 <td><a href="#Event">Event</a></td>
25 <td>LHCOEvent inherits all Event parameters</td>
26 <td></td>
[593]27</tr>
[948]28<tr bgcolor="#eeeeee">
[876]29 <td>Trigger</td>
30 <td>trigger word</td>
31 <td></td>
32</tr>
33<tr bgcolor="#ffffff"><td colspan=3><hr><a name="LHEFEvent"><H3>LHEFEvent</H3><hr></td></tr>
[948]34<tr bgcolor="#ffffff">
[876]35 <td><a href="#Event">Event</a></td>
36 <td>LHEFEvent inherits all Event parameters</td>
37 <td></td>
38</tr>
[948]39<tr bgcolor="#eeeeee">
[593]40 <td>ProcessID</td>
41 <td>subprocess code for the event </td>
[876]42 <td> hepup.IDPRUP</td>
[593]43</tr>
[948]44<tr bgcolor="#ffffff">
[593]45 <td>Weight</td>
46 <td>weight for the event </td>
[876]47 <td> hepup.XWGTUP</td>
[593]48</tr>
[948]49<tr bgcolor="#eeeeee">
[593]50 <td>ScalePDF</td>
51 <td>scale in GeV used in the calculation of the PDFs in the event </td>
[876]52 <td> hepup.SCALUP</td>
[593]53</tr>
[948]54<tr bgcolor="#ffffff">
[876]55 <td>AlphaQED</td>
[593]56 <td>value of the QED coupling used in the event </td>
[876]57 <td> hepup.AQEDUP</td>
[593]58</tr>
[948]59<tr bgcolor="#eeeeee">
[876]60 <td>AlphaQCD</td>
[593]61 <td>value of the QCD coupling used in the event </td>
[876]62 <td> hepup.AQCDUP</td>
[593]63</tr>
[876]64<tr bgcolor="#ffffff"><td colspan=3><hr><a name="HepMCEvent"><H3>HepMCEvent</H3><hr></td></tr>
[948]65<tr bgcolor="#ffffff">
[876]66 <td><a href="#Event">Event</a></td>
67 <td>HepMCEvent inherits all Event parameters</td>
68 <td></td>
[593]69</tr>
[948]70<tr bgcolor="#eeeeee">
[876]71 <td>ProcessID</td>
72 <td>unique signal process id </td>
73 <td> signal_process_id()</td>
[593]74</tr>
[948]75<tr bgcolor="#ffffff">
[876]76 <td>MPI</td>
77 <td>number of multi parton interactions </td>
78 <td> mpi () </td>
[593]79</tr>
[948]80<tr bgcolor="#eeeeee">
[1116]81 <td>Weight</td>
82 <td>weight for the event</td>
83 <td></td>
84</tr>
85<tr bgcolor="#ffffff">
[876]86 <td>Scale</td>
87 <td>energy scale, see hep-ph/0109068 </td>
88 <td> event_scale()</td>
[593]89</tr>
[1116]90<tr bgcolor="#eeeeee">
[876]91 <td>AlphaQED</td>
92 <td>QED coupling, see hep-ph/0109068 </td>
93 <td> alphaQED()</td>
[593]94</tr>
[1116]95<tr bgcolor="#ffffff">
[876]96 <td>AlphaQCD</td>
97 <td>QCD coupling, see hep-ph/0109068 </td>
98 <td> alphaQCD()</td>
[593]99</tr>
[1116]100<tr bgcolor="#eeeeee">
[876]101 <td>ID1</td>
102 <td>flavour code of first parton </td>
103 <td> pdf_info()->id1()</td>
[593]104</tr>
[1116]105<tr bgcolor="#ffffff">
[876]106 <td>ID2</td>
107 <td>flavour code of second parton </td>
108 <td> pdf_info()->id2() </td>
[593]109</tr>
[1116]110<tr bgcolor="#eeeeee">
[876]111 <td>X1</td>
112 <td>fraction of beam momentum carried by first parton ("beam side") </td>
113 <td> pdf_info()->x1()</td>
[593]114</tr>
[1116]115<tr bgcolor="#ffffff">
[876]116 <td>X2</td>
117 <td>fraction of beam momentum carried by second parton ("target side") </td>
118 <td> pdf_info()->x2()</td>
[593]119</tr>
[1116]120<tr bgcolor="#eeeeee">
[876]121 <td>ScalePDF</td>
122 <td>Q-scale used in evaluation of PDF's (in GeV) </td>
123 <td> pdf_info()->scalePDF()</td>
[593]124</tr>
[1116]125<tr bgcolor="#ffffff">
[876]126 <td>PDF1</td>
127 <td>PDF (id1, x1, Q) </td>
128 <td> pdf_info()->pdf1()</td>
[593]129</tr>
[1116]130<tr bgcolor="#eeeeee">
[876]131 <td>PDF2</td>
132 <td>PDF (id2, x2, Q) </td>
133 <td> pdf_info()->pdf2()</td>
[593]134</tr>
[876]135<tr bgcolor="#ffffff"><td colspan=3><hr><a name="GenParticle"><H3>GenParticle</H3><hr></td></tr>
[948]136<tr bgcolor="#eeeeee">
[593]137 <td>PID</td>
138 <td>particle HEP ID number </td>
[876]139 <td> hepevt.idhep[number]</td>
[593]140</tr>
[948]141<tr bgcolor="#ffffff">
[593]142 <td>Status</td>
143 <td>particle status </td>
[876]144 <td> hepevt.isthep[number]</td>
[593]145</tr>
[948]146<tr bgcolor="#eeeeee">
[1085]147 <td>IsPU</td>
148 <td>0 or 1 for particles from pile-up interactions</td>
149 <td></td>
150</tr>
151<tr bgcolor="#ffffff">
[593]152 <td>M1</td>
153 <td>particle 1st mother </td>
[876]154 <td> hepevt.jmohep[number][0] - 1</td>
[593]155</tr>
[1085]156<tr bgcolor="#eeeeee">
[593]157 <td>M2</td>
158 <td>particle 2nd mother </td>
[876]159 <td> hepevt.jmohep[number][1] - 1</td>
[593]160</tr>
[1085]161<tr bgcolor="#ffffff">
[593]162 <td>D1</td>
163 <td>particle 1st daughter </td>
[876]164 <td> hepevt.jdahep[number][0] - 1</td>
[593]165</tr>
[1085]166<tr bgcolor="#eeeeee">
[593]167 <td>D2</td>
[876]168 <td>particle last daughter </td>
169 <td> hepevt.jdahep[number][1] - 1</td>
[593]170</tr>
[1085]171<tr bgcolor="#ffffff">
[876]172 <td>Charge</td>
173 <td>particle charge</td>
174 <td></td>
175</tr>
[1085]176<tr bgcolor="#eeeeee">
[876]177 <td>Mass</td>
178 <td>particle mass</td>
179 <td></td>
180</tr>
[1085]181<tr bgcolor="#ffffff">
[593]182 <td>E</td>
183 <td>particle energy </td>
[876]184 <td> hepevt.phep[number][3]</td>
[593]185</tr>
[1085]186<tr bgcolor="#eeeeee">
[593]187 <td>Px</td>
188 <td>particle momentum vector (x component) </td>
[876]189 <td> hepevt.phep[number][0]</td>
[593]190</tr>
[1085]191<tr bgcolor="#ffffff">
[593]192 <td>Py</td>
193 <td>particle momentum vector (y component) </td>
[876]194 <td> hepevt.phep[number][1]</td>
[593]195</tr>
[1085]196<tr bgcolor="#eeeeee">
[593]197 <td>Pz</td>
198 <td>particle momentum vector (z component) </td>
[876]199 <td> hepevt.phep[number][2]</td>
[593]200</tr>
[1085]201<tr bgcolor="#ffffff">
[593]202 <td>PT</td>
[876]203 <td>particle transverse momentum</td>
[593]204 <td></td>
205</tr>
[1085]206<tr bgcolor="#eeeeee">
[593]207 <td>Eta</td>
[876]208 <td>particle pseudorapidity</td>
[593]209 <td></td>
210</tr>
[1085]211<tr bgcolor="#ffffff">
[593]212 <td>Phi</td>
[876]213 <td>particle azimuthal angle</td>
[593]214 <td></td>
215</tr>
[1085]216<tr bgcolor="#eeeeee">
[593]217 <td>Rapidity</td>
[876]218 <td>particle rapidity</td>
[593]219 <td></td>
220</tr>
[1085]221<tr bgcolor="#ffffff">
[593]222 <td>T</td>
223 <td>particle vertex position (t component) </td>
[876]224 <td> hepevt.vhep[number][3]</td>
[593]225</tr>
[1085]226<tr bgcolor="#eeeeee">
[593]227 <td>X</td>
228 <td>particle vertex position (x component) </td>
[876]229 <td> hepevt.vhep[number][0]</td>
[593]230</tr>
[1085]231<tr bgcolor="#ffffff">
[593]232 <td>Y</td>
233 <td>particle vertex position (y component) </td>
[876]234 <td> hepevt.vhep[number][1]</td>
[593]235</tr>
[1085]236<tr bgcolor="#eeeeee">
[593]237 <td>Z</td>
238 <td>particle vertex position (z component) </td>
[876]239 <td> hepevt.vhep[number][2]</td>
[593]240</tr>
[876]241<tr bgcolor="#ffffff"><td colspan=3><hr><a name="MissingET"><H3>MissingET</H3><hr></td></tr>
[948]242<tr bgcolor="#eeeeee">
[876]243 <td>MET</td>
244 <td>mising transverse energy</td>
[593]245 <td></td>
246</tr>
[948]247<tr bgcolor="#ffffff">
[876]248 <td>Phi</td>
249 <td>mising energy azimuthal angle</td>
[593]250 <td></td>
251</tr>
[948]252<tr bgcolor="#ffffff"><td colspan=3><hr><a name="ScalarHT"><H3>ScalarHT</H3><hr></td></tr>
253<tr bgcolor="#eeeeee">
254 <td>HT</td>
255 <td>scalar sum of transverse momenta</td>
256 <td></td>
257</tr>
[1116]258<tr bgcolor="#ffffff"><td colspan=3><hr><a name="Rho"><H3>Rho</H3><hr></td></tr>
259<tr bgcolor="#eeeeee">
260 <td>Rho</td>
261 <td>rho energy density</td>
262 <td></td>
263</tr>
[876]264<tr bgcolor="#ffffff"><td colspan=3><hr><a name="Photon"><H3>Photon</H3><hr></td></tr>
[948]265<tr bgcolor="#eeeeee">
[876]266 <td>PT</td>
267 <td>photon transverse momentum</td>
[593]268 <td></td>
269</tr>
[948]270<tr bgcolor="#ffffff">
[876]271 <td>Eta</td>
272 <td>photon pseudorapidity</td>
[593]273 <td></td>
274</tr>
[948]275<tr bgcolor="#eeeeee">
[876]276 <td>Phi</td>
277 <td>photon azimuthal angle</td>
278 <td></td>
279</tr>
[948]280<tr bgcolor="#ffffff">
281 <td>E</td>
282 <td>photon energy</td>
283 <td></td>
284</tr>
285<tr bgcolor="#eeeeee">
[1085]286 <td>EhadOverEem</td>
287 <td>ratio of the hadronic versus electromagnetic energy deposited in the calorimeter</td>
288 <td></td>
289</tr>
290<tr bgcolor="#ffffff">
[948]291 <td>Particles</td>
292 <td>references to generated particles</td>
293 <td></td>
294</tr>
[876]295<tr bgcolor="#ffffff"><td colspan=3><hr><a name="Electron"><H3>Electron</H3><hr></td></tr>
[948]296<tr bgcolor="#eeeeee">
[593]297 <td>PT</td>
[876]298 <td>electron transverse momentum</td>
[593]299 <td></td>
300</tr>
[948]301<tr bgcolor="#ffffff">
[593]302 <td>Eta</td>
[876]303 <td>electron pseudorapidity</td>
[593]304 <td></td>
305</tr>
[948]306<tr bgcolor="#eeeeee">
[593]307 <td>Phi</td>
[876]308 <td>electron azimuthal angle</td>
[593]309 <td></td>
310</tr>
[948]311<tr bgcolor="#ffffff">
[876]312 <td>Charge</td>
313 <td>electron charge</td>
[593]314 <td></td>
315</tr>
[948]316<tr bgcolor="#eeeeee">
[1085]317 <td>EhadOverEem</td>
318 <td>ratio of the hadronic versus electromagnetic energy deposited in the calorimeter</td>
319 <td></td>
320</tr>
321<tr bgcolor="#ffffff">
[948]322 <td>Particle</td>
323 <td>reference to generated particle</td>
324 <td></td>
325</tr>
[876]326<tr bgcolor="#ffffff"><td colspan=3><hr><a name="Muon"><H3>Muon</H3><hr></td></tr>
[948]327<tr bgcolor="#eeeeee">
[876]328 <td>PT</td>
329 <td>muon transverse momentum</td>
[593]330 <td></td>
331</tr>
[948]332<tr bgcolor="#ffffff">
[876]333 <td>Eta</td>
334 <td>muon pseudorapidity</td>
[593]335 <td></td>
336</tr>
[948]337<tr bgcolor="#eeeeee">
[876]338 <td>Phi</td>
339 <td>muon azimuthal angle</td>
[593]340 <td></td>
341</tr>
[948]342<tr bgcolor="#ffffff">
[876]343 <td>Charge</td>
344 <td>muon charge</td>
[593]345 <td></td>
346</tr>
[948]347<tr bgcolor="#eeeeee">
348 <td>Particle</td>
349 <td>reference to generated particle</td>
[593]350 <td></td>
351</tr>
[948]352<tr bgcolor="#ffffff"><td colspan=3><hr><a name="Jet"><H3>Jet</H3><hr></td></tr>
[593]353<tr bgcolor="#eeeeee">
[948]354 <td>PT</td>
355 <td>jet transverse momentum</td>
[593]356 <td></td>
357</tr>
358<tr bgcolor="#ffffff">
[948]359 <td>Eta</td>
360 <td>jet pseudorapidity</td>
[593]361 <td></td>
362</tr>
363<tr bgcolor="#eeeeee">
[948]364 <td>Phi</td>
365 <td>jet azimuthal angle</td>
[593]366 <td></td>
367</tr>
368<tr bgcolor="#ffffff">
[948]369 <td>Mass</td>
370 <td>jet invariant mass</td>
[876]371 <td></td>
372</tr>
[593]373<tr bgcolor="#eeeeee">
[948]374 <td>BTag</td>
375 <td>0 or 1 for a jet that has been tagged as containing a heavy quark</td>
[593]376 <td></td>
377</tr>
378<tr bgcolor="#ffffff">
[948]379 <td>TauTag</td>
380 <td>0 or 1 for a jet that has been tagged as a tau</td>
[593]381 <td></td>
382</tr>
383<tr bgcolor="#eeeeee">
[948]384 <td>Charge</td>
385 <td>tau charge</td>
[593]386 <td></td>
387</tr>
388<tr bgcolor="#ffffff">
[1085]389 <td>EhadOverEem</td>
390 <td>ratio of the hadronic versus electromagnetic energy deposited in the calorimeter</td>
391 <td></td>
392</tr>
393<tr bgcolor="#eeeeee">
[948]394 <td>Constituents</td>
395 <td>references to constituents</td>
[593]396 <td></td>
397</tr>
[1085]398<tr bgcolor="#ffffff">
[948]399 <td>Particles</td>
400 <td>references to generated particles</td>
[593]401 <td></td>
402</tr>
[876]403<tr bgcolor="#ffffff"><td colspan=3><hr><a name="Track"><H3>Track</H3><hr></td></tr>
[948]404<tr bgcolor="#eeeeee">
[876]405 <td>PID</td>
406 <td>HEP ID number</td>
[593]407 <td></td>
408</tr>
[948]409<tr bgcolor="#ffffff">
[876]410 <td>Charge</td>
411 <td>track charge</td>
[593]412 <td></td>
413</tr>
[948]414<tr bgcolor="#eeeeee">
[876]415 <td>PT</td>
416 <td>track transverse momentum</td>
[593]417 <td></td>
418</tr>
[948]419<tr bgcolor="#ffffff">
[876]420 <td>Eta</td>
421 <td>track pseudorapidity</td>
[593]422 <td></td>
423</tr>
[948]424<tr bgcolor="#eeeeee">
[876]425 <td>Phi</td>
426 <td>track azimuthal angle</td>
[593]427 <td></td>
428</tr>
[948]429<tr bgcolor="#ffffff">
[876]430 <td>EtaOuter</td>
431 <td>track pseudorapidity at the tracker edge</td>
[593]432 <td></td>
433</tr>
[948]434<tr bgcolor="#eeeeee">
[876]435 <td>PhiOuter</td>
436 <td>track azimuthal angle at the tracker edge</td>
[593]437 <td></td>
438</tr>
[948]439<tr bgcolor="#ffffff">
[876]440 <td>X</td>
441 <td>track vertex position (x component)</td>
[593]442 <td></td>
443</tr>
[948]444<tr bgcolor="#eeeeee">
[876]445 <td>Y</td>
446 <td>track vertex position (y component)</td>
[593]447 <td></td>
448</tr>
[948]449<tr bgcolor="#ffffff">
[876]450 <td>Z</td>
451 <td>track vertex position (z component)</td>
[593]452 <td></td>
453</tr>
[948]454<tr bgcolor="#eeeeee">
[876]455 <td>XOuter</td>
456 <td>track position (x component) at the tracker edge</td>
[593]457 <td></td>
458</tr>
[948]459<tr bgcolor="#ffffff">
[876]460 <td>YOuter</td>
461 <td>track position (y component) at the tracker edge</td>
[593]462 <td></td>
463</tr>
[948]464<tr bgcolor="#eeeeee">
[876]465 <td>ZOuter</td>
466 <td>track position (z component) at the tracker edge</td>
[593]467 <td></td>
468</tr>
[948]469<tr bgcolor="#ffffff">
470 <td>Particle</td>
471 <td>reference to generated particle</td>
472 <td></td>
473</tr>
[876]474<tr bgcolor="#ffffff"><td colspan=3><hr><a name="Tower"><H3>Tower</H3><hr></td></tr>
[948]475<tr bgcolor="#eeeeee">
[876]476 <td>ET</td>
477 <td>calorimeter tower transverse energy</td>
[593]478 <td></td>
479</tr>
[948]480<tr bgcolor="#ffffff">
[593]481 <td>Eta</td>
[876]482 <td>calorimeter tower pseudorapidity</td>
[593]483 <td></td>
484</tr>
[948]485<tr bgcolor="#eeeeee">
[593]486 <td>Phi</td>
[876]487 <td>calorimeter tower azimuthal angle</td>
[593]488 <td></td>
489</tr>
[948]490<tr bgcolor="#ffffff">
[876]491 <td>E</td>
492 <td>calorimeter tower energy</td>
[593]493 <td></td>
494</tr>
[948]495<tr bgcolor="#eeeeee">
[876]496 <td>Eem</td>
497 <td>calorimeter tower electromagnetic energy</td>
[593]498 <td></td>
499</tr>
[948]500<tr bgcolor="#ffffff">
[876]501 <td>Ehad</td>
502 <td>calorimeter tower hadronic energy</td>
[593]503 <td></td>
504</tr>
[948]505<tr bgcolor="#eeeeee">
506 <td>Edges[4]</td>
507 <td>calorimeter tower edges</td>
508 <td></td>
509</tr>
[593]510<tr bgcolor="#ffffff">
[948]511 <td>Particles</td>
512 <td>references to generated particles</td>
[593]513 <td></td>
514</tr>
515</table>
516</body></html>
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