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1<!doctype html>
2<html>
3<head>
4 <meta HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1">
5 <meta NAME="keywords" CONTENT="root, tree, ntuple, format, description">
6 <title>root tree description</title>
7 <style>
8 body { font-family: sans-serif; max-width: 800px; line-height: 1.4; margin-left: auto; margin-right: auto; padding: 0em 1em 3em 1em; }
9 h1 { font-weight: normal; }
10 td, th { border: 1px solid #d3d3d3; padding: 0.1em 0.3em; }
11 th { text-align: left; background-color: #f5f5f5; }
12 tr.even td { background-color: #f5f5f5; }
13 tr.class td { font-weight: bold; padding-top: 1em; }
14 </style>
15</head>
16<body>
17<h1>ROOT Tree Description</h1>
18<p>Description of all classes used to store output data.</p>
19<table>
20<tr><th>Parameter</th>
21<th>Definition</th>
22<th>How it was calculated</th></tr>
23<tr class="class"><td colspan="3" id="Event">class Event</td></tr>
24<tr class="even">
25 <td>Number</td>
26 <td>event number</td>
27 <td></td>
28</tr>
29<tr class="odd">
30 <td>ReadTime</td>
31 <td>read time</td>
32 <td></td>
33</tr>
34<tr class="even">
35 <td>ProcTime</td>
36 <td>processing time</td>
37 <td></td>
38</tr>
39<tr class="class"><td colspan="3" id="LHCOEvent">class LHCOEvent</td></tr>
40<tr class="odd">
41 <td><a href="#Event">Event</a></td>
42 <td>LHCOEvent inherits all Event parameters</td>
43 <td></td>
44</tr>
45<tr class="even">
46 <td>Trigger</td>
47 <td>trigger word</td>
48 <td></td>
49</tr>
50<tr class="class"><td colspan="3" id="LHEFEvent">class LHEFEvent</td></tr>
51<tr class="odd">
52 <td><a href="#Event">Event</a></td>
53 <td>LHEFEvent inherits all Event parameters</td>
54 <td></td>
55</tr>
56<tr class="even">
57 <td>ProcessID</td>
58 <td>subprocess code for the event </td>
59 <td> hepup.IDPRUP</td>
60</tr>
61<tr class="odd">
62 <td>Weight</td>
63 <td>weight for the event </td>
64 <td> hepup.XWGTUP</td>
65</tr>
66<tr class="even">
67 <td>ScalePDF</td>
68 <td>scale in GeV used in the calculation of the PDFs in the event </td>
69 <td> hepup.SCALUP</td>
70</tr>
71<tr class="odd">
72 <td>AlphaQED</td>
73 <td>value of the QED coupling used in the event </td>
74 <td> hepup.AQEDUP</td>
75</tr>
76<tr class="even">
77 <td>AlphaQCD</td>
78 <td>value of the QCD coupling used in the event </td>
79 <td> hepup.AQCDUP</td>
80</tr>
81<tr class="class"><td colspan="3" id="LHEFWeight">class LHEFWeight</td></tr>
82<tr class="even">
83 <td>ID</td>
84 <td>weight ID</td>
85 <td></td>
86</tr>
87<tr class="odd">
88 <td>Weight</td>
89 <td>weight value</td>
90 <td></td>
91</tr>
92<tr class="class"><td colspan="3" id="HepMCEvent">class HepMCEvent</td></tr>
93<tr class="odd">
94 <td><a href="#Event">Event</a></td>
95 <td>HepMCEvent inherits all Event parameters</td>
96 <td></td>
97</tr>
98<tr class="even">
99 <td>ProcessID</td>
100 <td>unique signal process id </td>
101 <td> signal_process_id()</td>
102</tr>
103<tr class="odd">
104 <td>MPI</td>
105 <td>number of multi parton interactions </td>
106 <td> mpi ()</td>
107</tr>
108<tr class="even">
109 <td>Weight</td>
110 <td>weight for the event</td>
111 <td></td>
112</tr>
113<tr class="odd">
114 <td>Scale</td>
115 <td>energy scale, see hep-ph/0109068 </td>
116 <td> event_scale()</td>
117</tr>
118<tr class="even">
119 <td>AlphaQED</td>
120 <td>QED coupling, see hep-ph/0109068 </td>
121 <td> alphaQED()</td>
122</tr>
123<tr class="odd">
124 <td>AlphaQCD</td>
125 <td>QCD coupling, see hep-ph/0109068 </td>
126 <td> alphaQCD()</td>
127</tr>
128<tr class="even">
129 <td>ID1</td>
130 <td>flavour code of first parton </td>
131 <td> pdf_info()->id1()</td>
132</tr>
133<tr class="odd">
134 <td>ID2</td>
135 <td>flavour code of second parton </td>
136 <td> pdf_info()->id2()</td>
137</tr>
138<tr class="even">
139 <td>X1</td>
140 <td>fraction of beam momentum carried by first parton ("beam side") </td>
141 <td> pdf_info()->x1()</td>
142</tr>
143<tr class="odd">
144 <td>X2</td>
145 <td>fraction of beam momentum carried by second parton ("target side") </td>
146 <td> pdf_info()->x2()</td>
147</tr>
148<tr class="even">
149 <td>ScalePDF</td>
150 <td>Q-scale used in evaluation of PDF's (in GeV) </td>
151 <td> pdf_info()->scalePDF()</td>
152</tr>
153<tr class="odd">
154 <td>PDF1</td>
155 <td>PDF (id1, x1, Q) </td>
156 <td> pdf_info()->pdf1()</td>
157</tr>
158<tr class="even">
159 <td>PDF2</td>
160 <td>PDF (id2, x2, Q) </td>
161 <td> pdf_info()->pdf2()</td>
162</tr>
163<tr class="class"><td colspan="3" id="GenParticle">class GenParticle</td></tr>
164<tr class="even">
165 <td>PID</td>
166 <td>particle HEP ID number </td>
167 <td> hepevt.idhep[number]</td>
168</tr>
169<tr class="odd">
170 <td>Status</td>
171 <td>particle status </td>
172 <td> hepevt.isthep[number]</td>
173</tr>
174<tr class="even">
175 <td>IsPU</td>
176 <td>0 or 1 for particles from pile-up interactions</td>
177 <td></td>
178</tr>
179<tr class="odd">
180 <td>M1</td>
181 <td>particle 1st mother </td>
182 <td> hepevt.jmohep[number][0] - 1</td>
183</tr>
184<tr class="even">
185 <td>M2</td>
186 <td>particle 2nd mother </td>
187 <td> hepevt.jmohep[number][1] - 1</td>
188</tr>
189<tr class="odd">
190 <td>D1</td>
191 <td>particle 1st daughter </td>
192 <td> hepevt.jdahep[number][0] - 1</td>
193</tr>
194<tr class="even">
195 <td>D2</td>
196 <td>particle last daughter </td>
197 <td> hepevt.jdahep[number][1] - 1</td>
198</tr>
199<tr class="odd">
200 <td>Charge</td>
201 <td>particle charge</td>
202 <td></td>
203</tr>
204<tr class="even">
205 <td>Mass</td>
206 <td>particle mass</td>
207 <td></td>
208</tr>
209<tr class="odd">
210 <td>E</td>
211 <td>particle energy </td>
212 <td> hepevt.phep[number][3]</td>
213</tr>
214<tr class="even">
215 <td>Px</td>
216 <td>particle momentum vector (x component) </td>
217 <td> hepevt.phep[number][0]</td>
218</tr>
219<tr class="odd">
220 <td>Py</td>
221 <td>particle momentum vector (y component) </td>
222 <td> hepevt.phep[number][1]</td>
223</tr>
224<tr class="even">
225 <td>Pz</td>
226 <td>particle momentum vector (z component) </td>
227 <td> hepevt.phep[number][2]</td>
228</tr>
229<tr class="odd">
230 <td>P</td>
231 <td>particle momentum</td>
232 <td></td>
233</tr>
234<tr class="even">
235 <td>PT</td>
236 <td>particle transverse momentum</td>
237 <td></td>
238</tr>
239<tr class="odd">
240 <td>Eta</td>
241 <td>particle pseudorapidity</td>
242 <td></td>
243</tr>
244<tr class="even">
245 <td>Phi</td>
246 <td>particle azimuthal angle</td>
247 <td></td>
248</tr>
249<tr class="odd">
250 <td>Rapidity</td>
251 <td>particle rapidity</td>
252 <td></td>
253</tr>
254<tr class="even">
255 <td>CtgTheta</td>
256 <td>particle cotangent of theta</td>
257 <td></td>
258</tr>
259<tr class="odd">
260 <td>D0</td>
261 <td>particle transverse impact parameter</td>
262 <td></td>
263</tr>
264<tr class="even">
265 <td>DZ</td>
266 <td>particle longitudinal impact parameter</td>
267 <td></td>
268</tr>
269<tr class="odd">
270 <td>T</td>
271 <td>particle vertex position (t component) </td>
272 <td> hepevt.vhep[number][3]</td>
273</tr>
274<tr class="even">
275 <td>X</td>
276 <td>particle vertex position (x component) </td>
277 <td> hepevt.vhep[number][0]</td>
278</tr>
279<tr class="odd">
280 <td>Y</td>
281 <td>particle vertex position (y component) </td>
282 <td> hepevt.vhep[number][1]</td>
283</tr>
284<tr class="even">
285 <td>Z</td>
286 <td>particle vertex position (z component) </td>
287 <td> hepevt.vhep[number][2]</td>
288</tr>
289<tr class="class"><td colspan="3" id="Vertex">class Vertex</td></tr>
290<tr class="even">
291 <td>T</td>
292 <td>vertex position (t component)</td>
293 <td></td>
294</tr>
295<tr class="odd">
296 <td>X</td>
297 <td>vertex position (x component)</td>
298 <td></td>
299</tr>
300<tr class="even">
301 <td>Y</td>
302 <td>vertex position (y component)</td>
303 <td></td>
304</tr>
305<tr class="odd">
306 <td>Z</td>
307 <td>vertex position (z component)</td>
308 <td></td>
309</tr>
310<tr class="even">
311 <td>ErrorT</td>
312 <td>vertex position error (t component)</td>
313 <td></td>
314</tr>
315<tr class="odd">
316 <td>ErrorX</td>
317 <td>vertex position error (x component)</td>
318 <td></td>
319</tr>
320<tr class="even">
321 <td>ErrorY</td>
322 <td>vertex position error (y component)</td>
323 <td></td>
324</tr>
325<tr class="odd">
326 <td>ErrorZ</td>
327 <td>vertex position error (z component)</td>
328 <td></td>
329</tr>
330<tr class="even">
331 <td>Index</td>
332 <td>vertex index</td>
333 <td></td>
334</tr>
335<tr class="odd">
336 <td>NDF</td>
337 <td>number of degrees of freedom</td>
338 <td></td>
339</tr>
340<tr class="even">
341 <td>Sigma</td>
342 <td>vertex position (z component) error</td>
343 <td></td>
344</tr>
345<tr class="odd">
346 <td>SumPT2</td>
347 <td>sum pt^2 of tracks attached to the vertex</td>
348 <td></td>
349</tr>
350<tr class="even">
351 <td>GenSumPT2</td>
352 <td>sum pt^2 of gen tracks attached to the vertex</td>
353 <td></td>
354</tr>
355<tr class="odd">
356 <td>GenDeltaZ</td>
357 <td>distance in z to closest generated vertex</td>
358 <td></td>
359</tr>
360<tr class="even">
361 <td>BTVSumPT2</td>
362 <td>sum pt^2 of tracks attached to the secondary vertex</td>
363 <td></td>
364</tr>
365<tr class="odd">
366 <td>Constituents</td>
367 <td>references to constituents</td>
368 <td></td>
369</tr>
370<tr class="class"><td colspan="3" id="MissingET">class MissingET</td></tr>
371<tr class="even">
372 <td>MET</td>
373 <td>mising transverse energy</td>
374 <td></td>
375</tr>
376<tr class="odd">
377 <td>Eta</td>
378 <td>mising energy pseudorapidity</td>
379 <td></td>
380</tr>
381<tr class="even">
382 <td>Phi</td>
383 <td>mising energy azimuthal angle</td>
384 <td></td>
385</tr>
386<tr class="class"><td colspan="3" id="ScalarHT">class ScalarHT</td></tr>
387<tr class="even">
388 <td>HT</td>
389 <td>scalar sum of transverse momenta</td>
390 <td></td>
391</tr>
392<tr class="class"><td colspan="3" id="Rho">class Rho</td></tr>
393<tr class="even">
394 <td>Rho</td>
395 <td>rho energy density</td>
396 <td></td>
397</tr>
398<tr class="odd">
399 <td>Edges[2]</td>
400 <td>pseudorapidity range edges</td>
401 <td></td>
402</tr>
403<tr class="class"><td colspan="3" id="Weight">class Weight</td></tr>
404<tr class="even">
405 <td>Weight</td>
406 <td>weight for the event</td>
407 <td></td>
408</tr>
409<tr class="class"><td colspan="3" id="Photon">class Photon</td></tr>
410<tr class="even">
411 <td>PT</td>
412 <td>photon transverse momentum</td>
413 <td></td>
414</tr>
415<tr class="odd">
416 <td>Eta</td>
417 <td>photon pseudorapidity</td>
418 <td></td>
419</tr>
420<tr class="even">
421 <td>Phi</td>
422 <td>photon azimuthal angle</td>
423 <td></td>
424</tr>
425<tr class="odd">
426 <td>E</td>
427 <td>photon energy</td>
428 <td></td>
429</tr>
430<tr class="even">
431 <td>T</td>
432 <td>particle arrival time of flight</td>
433 <td></td>
434</tr>
435<tr class="odd">
436 <td>EhadOverEem</td>
437 <td>ratio of the hadronic versus electromagnetic energy deposited in the calorimeter</td>
438 <td></td>
439</tr>
440<tr class="even">
441 <td>Particles</td>
442 <td>references to generated particles</td>
443 <td></td>
444</tr>
445<tr class="odd">
446 <td>IsolationVar</td>
447 <td>isolation variable</td>
448 <td></td>
449</tr>
450<tr class="even">
451 <td>IsolationVarRhoCorr</td>
452 <td>isolation variable</td>
453 <td></td>
454</tr>
455<tr class="odd">
456 <td>SumPtCharged</td>
457 <td>isolation variable</td>
458 <td></td>
459</tr>
460<tr class="even">
461 <td>SumPtNeutral</td>
462 <td>isolation variable</td>
463 <td></td>
464</tr>
465<tr class="odd">
466 <td>SumPtChargedPU</td>
467 <td>isolation variable</td>
468 <td></td>
469</tr>
470<tr class="even">
471 <td>SumPt</td>
472 <td>isolation variable</td>
473 <td></td>
474</tr>
475<tr class="class"><td colspan="3" id="Electron">class Electron</td></tr>
476<tr class="even">
477 <td>PT</td>
478 <td>electron transverse momentum</td>
479 <td></td>
480</tr>
481<tr class="odd">
482 <td>Eta</td>
483 <td>electron pseudorapidity</td>
484 <td></td>
485</tr>
486<tr class="even">
487 <td>Phi</td>
488 <td>electron azimuthal angle</td>
489 <td></td>
490</tr>
491<tr class="odd">
492 <td>T</td>
493 <td>particle arrival time of flight</td>
494 <td></td>
495</tr>
496<tr class="even">
497 <td>Charge</td>
498 <td>electron charge</td>
499 <td></td>
500</tr>
501<tr class="odd">
502 <td>EhadOverEem</td>
503 <td>ratio of the hadronic versus electromagnetic energy deposited in the calorimeter</td>
504 <td></td>
505</tr>
506<tr class="even">
507 <td>Particle</td>
508 <td>reference to generated particle</td>
509 <td></td>
510</tr>
511<tr class="odd">
512 <td>IsolationVar</td>
513 <td>isolation variable</td>
514 <td></td>
515</tr>
516<tr class="even">
517 <td>IsolationVarRhoCorr</td>
518 <td>isolation variable</td>
519 <td></td>
520</tr>
521<tr class="odd">
522 <td>SumPtCharged</td>
523 <td>isolation variable</td>
524 <td></td>
525</tr>
526<tr class="even">
527 <td>SumPtNeutral</td>
528 <td>isolation variable</td>
529 <td></td>
530</tr>
531<tr class="odd">
532 <td>SumPtChargedPU</td>
533 <td>isolation variable</td>
534 <td></td>
535</tr>
536<tr class="even">
537 <td>SumPt</td>
538 <td>isolation variable</td>
539 <td></td>
540</tr>
541<tr class="class"><td colspan="3" id="Muon">class Muon</td></tr>
542<tr class="even">
543 <td>PT</td>
544 <td>muon transverse momentum</td>
545 <td></td>
546</tr>
547<tr class="odd">
548 <td>Eta</td>
549 <td>muon pseudorapidity</td>
550 <td></td>
551</tr>
552<tr class="even">
553 <td>Phi</td>
554 <td>muon azimuthal angle</td>
555 <td></td>
556</tr>
557<tr class="odd">
558 <td>T</td>
559 <td>particle arrival time of flight</td>
560 <td></td>
561</tr>
562<tr class="even">
563 <td>Charge</td>
564 <td>muon charge</td>
565 <td></td>
566</tr>
567<tr class="odd">
568 <td>Particle</td>
569 <td>reference to generated particle</td>
570 <td></td>
571</tr>
572<tr class="even">
573 <td>IsolationVar</td>
574 <td>isolation variable</td>
575 <td></td>
576</tr>
577<tr class="odd">
578 <td>IsolationVarRhoCorr</td>
579 <td>isolation variable</td>
580 <td></td>
581</tr>
582<tr class="even">
583 <td>SumPtCharged</td>
584 <td>isolation variable</td>
585 <td></td>
586</tr>
587<tr class="odd">
588 <td>SumPtNeutral</td>
589 <td>isolation variable</td>
590 <td></td>
591</tr>
592<tr class="even">
593 <td>SumPtChargedPU</td>
594 <td>isolation variable</td>
595 <td></td>
596</tr>
597<tr class="odd">
598 <td>SumPt</td>
599 <td>isolation variable</td>
600 <td></td>
601</tr>
602<tr class="class"><td colspan="3" id="Jet">class Jet</td></tr>
603<tr class="even">
604 <td>PT</td>
605 <td>jet transverse momentum</td>
606 <td></td>
607</tr>
608<tr class="odd">
609 <td>Eta</td>
610 <td>jet pseudorapidity</td>
611 <td></td>
612</tr>
613<tr class="even">
614 <td>Phi</td>
615 <td>jet azimuthal angle</td>
616 <td></td>
617</tr>
618<tr class="odd">
619 <td>Mass</td>
620 <td>jet invariant mass</td>
621 <td></td>
622</tr>
623<tr class="even">
624 <td>Flavor</td>
625 <td>jet flavor</td>
626 <td></td>
627</tr>
628<tr class="odd">
629 <td>FlavorAlgo</td>
630 <td>jet flavor</td>
631 <td></td>
632</tr>
633<tr class="even">
634 <td>FlavorPhys</td>
635 <td>jet flavor</td>
636 <td></td>
637</tr>
638<tr class="odd">
639 <td>BTag</td>
640 <td>0 or 1 for a jet that has been tagged as containing a heavy quark</td>
641 <td></td>
642</tr>
643<tr class="even">
644 <td>BTagAlgo</td>
645 <td>0 or 1 for a jet that has been tagged as containing a heavy quark</td>
646 <td></td>
647</tr>
648<tr class="odd">
649 <td>BTagPhys</td>
650 <td>0 or 1 for a jet that has been tagged as containing a heavy quark</td>
651 <td></td>
652</tr>
653<tr class="even">
654 <td>TauTag</td>
655 <td>0 or 1 for a jet that has been tagged as a tau</td>
656 <td></td>
657</tr>
658<tr class="odd">
659 <td>Charge</td>
660 <td>tau charge</td>
661 <td></td>
662</tr>
663<tr class="even">
664 <td>EhadOverEem</td>
665 <td>ratio of the hadronic versus electromagnetic energy deposited in the calorimeter</td>
666 <td></td>
667</tr>
668<tr class="odd">
669 <td>NCharged</td>
670 <td>number of charged constituents</td>
671 <td></td>
672</tr>
673<tr class="even">
674 <td>NNeutrals</td>
675 <td>number of neutral constituents</td>
676 <td></td>
677</tr>
678<tr class="odd">
679 <td>Beta</td>
680 <td>(sum pt of charged pile-up constituents)/(sum pt of charged constituents)</td>
681 <td></td>
682</tr>
683<tr class="even">
684 <td>BetaStar</td>
685 <td>(sum pt of charged constituents coming from hard interaction)/(sum pt of charged constituents)</td>
686 <td></td>
687</tr>
688<tr class="odd">
689 <td>MeanSqDeltaR</td>
690 <td>average distance (squared) between constituent and jet weighted by pt (squared) of constituent</td>
691 <td></td>
692</tr>
693<tr class="even">
694 <td>PTD</td>
695 <td>average pt between constituent and jet weighted by pt of constituent</td>
696 <td></td>
697</tr>
698<tr class="odd">
699 <td>FracPt[5]</td>
700 <td>(sum pt of constituents within a ring 0.1*i < DeltaR < 0.1*(i+1))/(sum pt of constituents)</td>
701 <td></td>
702</tr>
703<tr class="even">
704 <td>Tau[5]</td>
705 <td>N-subjettiness</td>
706 <td></td>
707</tr>
708<tr class="odd">
709 <td>TrimmedP4[5]</td>
710 <td>first entry (i = 0) is the total Trimmed Jet 4-momenta and from i = 1 to 4 are the trimmed subjets 4-momenta</td>
711 <td></td>
712</tr>
713<tr class="even">
714 <td>PrunedP4[5]</td>
715 <td>first entry (i = 0) is the total Pruned Jet 4-momenta and from i = 1 to 4 are the pruned subjets 4-momenta</td>
716 <td></td>
717</tr>
718<tr class="odd">
719 <td>SoftDroppedP4[5]</td>
720 <td>first entry (i = 0) is the total SoftDropped Jet 4-momenta and from i = 1 to 4 are the pruned subjets 4-momenta</td>
721 <td></td>
722</tr>
723<tr class="even">
724 <td>NSubJetsTrimmed</td>
725 <td>number of subjets trimmed</td>
726 <td></td>
727</tr>
728<tr class="odd">
729 <td>NSubJetsPruned</td>
730 <td>number of subjets pruned</td>
731 <td></td>
732</tr>
733<tr class="even">
734 <td>NSubJetsSoftDropped</td>
735 <td>number of subjets soft-dropped</td>
736 <td></td>
737</tr>
738<tr class="odd">
739 <td>Constituents</td>
740 <td>references to constituents</td>
741 <td></td>
742</tr>
743<tr class="even">
744 <td>Particles</td>
745 <td>references to generated particles</td>
746 <td></td>
747</tr>
748<tr class="class"><td colspan="3" id="Track">class Track</td></tr>
749<tr class="even">
750 <td>PID</td>
751 <td>HEP ID number</td>
752 <td></td>
753</tr>
754<tr class="odd">
755 <td>Charge</td>
756 <td>track charge</td>
757 <td></td>
758</tr>
759<tr class="even">
760 <td>P</td>
761 <td>track momentum</td>
762 <td></td>
763</tr>
764<tr class="odd">
765 <td>PT</td>
766 <td>track transverse momentum</td>
767 <td></td>
768</tr>
769<tr class="even">
770 <td>Eta</td>
771 <td>track pseudorapidity</td>
772 <td></td>
773</tr>
774<tr class="odd">
775 <td>Phi</td>
776 <td>track azimuthal angle</td>
777 <td></td>
778</tr>
779<tr class="even">
780 <td>CtgTheta</td>
781 <td>track cotangent of theta</td>
782 <td></td>
783</tr>
784<tr class="odd">
785 <td>EtaOuter</td>
786 <td>track pseudorapidity at the tracker edge</td>
787 <td></td>
788</tr>
789<tr class="even">
790 <td>PhiOuter</td>
791 <td>track azimuthal angle at the tracker edge</td>
792 <td></td>
793</tr>
794<tr class="odd">
795 <td>T</td>
796 <td>track vertex position (t component)</td>
797 <td></td>
798</tr>
799<tr class="even">
800 <td>X</td>
801 <td>track vertex position (x component)</td>
802 <td></td>
803</tr>
804<tr class="odd">
805 <td>Y</td>
806 <td>track vertex position (y component)</td>
807 <td></td>
808</tr>
809<tr class="even">
810 <td>Z</td>
811 <td>track vertex position (z component)</td>
812 <td></td>
813</tr>
814<tr class="odd">
815 <td>TOuter</td>
816 <td>track position (t component) at the tracker edge</td>
817 <td></td>
818</tr>
819<tr class="even">
820 <td>XOuter</td>
821 <td>track position (x component) at the tracker edge</td>
822 <td></td>
823</tr>
824<tr class="odd">
825 <td>YOuter</td>
826 <td>track position (y component) at the tracker edge</td>
827 <td></td>
828</tr>
829<tr class="even">
830 <td>ZOuter</td>
831 <td>track position (z component) at the tracker edge</td>
832 <td></td>
833</tr>
834<tr class="odd">
835 <td>Xd</td>
836 <td>X coordinate of point of closest approach to vertex</td>
837 <td></td>
838</tr>
839<tr class="even">
840 <td>Yd</td>
841 <td>Y coordinate of point of closest approach to vertex</td>
842 <td></td>
843</tr>
844<tr class="odd">
845 <td>Zd</td>
846 <td>Z coordinate of point of closest approach to vertex</td>
847 <td></td>
848</tr>
849<tr class="even">
850 <td>L</td>
851 <td>track path length</td>
852 <td></td>
853</tr>
854<tr class="odd">
855 <td>D0</td>
856 <td>track transverse impact parameter</td>
857 <td></td>
858</tr>
859<tr class="even">
860 <td>DZ</td>
861 <td>track longitudinal impact parameter</td>
862 <td></td>
863</tr>
864<tr class="odd">
865 <td>ErrorP</td>
866 <td>track momentum error</td>
867 <td></td>
868</tr>
869<tr class="even">
870 <td>ErrorPT</td>
871 <td>track transverse momentum error</td>
872 <td></td>
873</tr>
874<tr class="odd">
875 <td>ErrorPhi</td>
876 <td>track azimuthal angle error</td>
877 <td></td>
878</tr>
879<tr class="even">
880 <td>ErrorCtgTheta</td>
881 <td>track cotangent of theta error</td>
882 <td></td>
883</tr>
884<tr class="odd">
885 <td>ErrorT</td>
886 <td>time measurement error</td>
887 <td></td>
888</tr>
889<tr class="even">
890 <td>ErrorD0</td>
891 <td>track transverse impact parameter error</td>
892 <td></td>
893</tr>
894<tr class="odd">
895 <td>ErrorDZ</td>
896 <td>track longitudinal impact parameter error</td>
897 <td></td>
898</tr>
899<tr class="even">
900 <td>Particle</td>
901 <td>reference to generated particle</td>
902 <td></td>
903</tr>
904<tr class="odd">
905 <td>VertexIndex</td>
906 <td>reference to vertex</td>
907 <td></td>
908</tr>
909<tr class="class"><td colspan="3" id="Tower">class Tower</td></tr>
910<tr class="even">
911 <td>ET</td>
912 <td>calorimeter tower transverse energy</td>
913 <td></td>
914</tr>
915<tr class="odd">
916 <td>Eta</td>
917 <td>calorimeter tower pseudorapidity</td>
918 <td></td>
919</tr>
920<tr class="even">
921 <td>Phi</td>
922 <td>calorimeter tower azimuthal angle</td>
923 <td></td>
924</tr>
925<tr class="odd">
926 <td>E</td>
927 <td>calorimeter tower energy</td>
928 <td></td>
929</tr>
930<tr class="even">
931 <td>T</td>
932 <td>ecal deposit time, averaged by sqrt(EM energy) over all particles, not smeared</td>
933 <td></td>
934</tr>
935<tr class="odd">
936 <td>NTimeHits</td>
937 <td>number of hits contributing to time measurement</td>
938 <td></td>
939</tr>
940<tr class="even">
941 <td>Eem</td>
942 <td>calorimeter tower electromagnetic energy</td>
943 <td></td>
944</tr>
945<tr class="odd">
946 <td>Ehad</td>
947 <td>calorimeter tower hadronic energy</td>
948 <td></td>
949</tr>
950<tr class="even">
951 <td>Edges[4]</td>
952 <td>calorimeter tower edges</td>
953 <td></td>
954</tr>
955<tr class="odd">
956 <td>Particles</td>
957 <td>references to generated particles</td>
958 <td></td>
959</tr>
960<tr class="class"><td colspan="3" id="HectorHit">class HectorHit</td></tr>
961<tr class="even">
962 <td>E</td>
963 <td>reconstructed energy [GeV]</td>
964 <td></td>
965</tr>
966<tr class="odd">
967 <td>Tx</td>
968 <td>angle of the momentum in the horizontal (x,z) plane [urad]</td>
969 <td></td>
970</tr>
971<tr class="even">
972 <td>Ty</td>
973 <td>angle of the momentum in the verical (y,z) plane [urad]</td>
974 <td></td>
975</tr>
976<tr class="odd">
977 <td>T</td>
978 <td>time of flight to the detector [s]</td>
979 <td></td>
980</tr>
981<tr class="even">
982 <td>X</td>
983 <td>horizontal distance to the beam [um]</td>
984 <td></td>
985</tr>
986<tr class="odd">
987 <td>Y</td>
988 <td>vertical distance to the beam [um]</td>
989 <td></td>
990</tr>
991<tr class="even">
992 <td>S</td>
993 <td>distance to the interaction point [m]</td>
994 <td></td>
995</tr>
996<tr class="odd">
997 <td>Particle</td>
998 <td>reference to generated particle</td>
999 <td></td>
1000</tr>
1001</table>
1002</body></html>
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