Fitter Comparison

Summary tables include number of entries for (q/p)rec/(q/p)gen and number of tracks without TRT extensions ( Silicon only )

Fitter Comparison 15.0.0

Pt = 1GeV Electrons 2500 events mc08.005127.singlepart_e_pt1.digit.RDO.e342_s483 (14.2.23)

Eta range Fitter Total +/- 50% +/- 20% +/- 10% Si only
eta<0.8 Kalman 617 617 526 430 150
DNA 617 617 531 449 122
Global Chi2 624 624 514 412 120
Gaussian Sum 617 617 526 430 150
1.6>eta>0.8 Kalman 537 536 436 315 250
DNA 541 540 456 355 207
Global Chi2 542 541 422 277 214
Gaussian Sum 537 536 436 315 250
eta>1.6 Kalman 469 468 259 139 336
DNA 475 475 273 155 329
Global Chi2 476 473 251 140 328
Gaussian Sum 469 468 259 139 336

Fitter Comparison devrel2 (10March)

Pt = 1GeV Electrons 2500 events mc08.005127.singlepart_e_pt1.digit.RDO.e342_s483 (14.2.23)

Eta range Fitter Total +/- 50% +/- 20% +/- 10% Si only
eta<0.8 Kalman 618 618 527 431 151
DNA 618 618 532 450 123
Global Chi2 626 626 516 414 121
1.6>eta>0.8 Kalman 540 539 439 318 252
DNA 544 543 459 358 209
Global Chi2 545 544 425 280 216
eta>1.6 Kalman 477 475 266 145 342
DNA 484 482 279 161 335
Global Chi2 485 481 259 147 334

Pt = 5GeV Electrons 2500 events mc08.005128.singlepart_e_pt5.digit.RDO.e342_s483 (14.2.23)

Eta range Fitter Total +/- 50% +/- 20% +/- 10% Si only
eta<0.8 Kalman 682 631 558 484 151
DNA 684 633 567 497 105
Global Chi2 685 631 541 433 112
1.6>eta>0.8 Kalman 632 547 416 278 219
DNA 638 556 443 330 152
Global Chi2 637 544 370 239 177
eta>1.6 Kalman 686 483 266 147 458
DNA 688 489 276 154 441
Global Chi2 691 478 257 143 432

Pt = 100 GeV Electrons 2500 events mc08.005129.singlepart_e_pt100.digit.RDO.e342_s483 (14.2.23)

Eta range Fitter Total +/- 50% +/- 20% +/- 10% Si only
eta<0.8 Kalman 677 604 442 325 48
DNA 679 611 463 343 43
Global Chi2 675 583 423 321 50
1.6>eta>0.8 Kalman 674 527 316 198 101
DNA 674 534 355 222 86
Global Chi2 679 506 302 192 104
eta>1.6 Kalman 842 527 257 137 560
DNA 840 526 264 136 551
Global Chi2 842 523 258 128 561

Pt = 5GeV Pions 2500 eventsmc08.005131.singlepart_singlepi_pt5.digit.RDO.e342_s483(14.2.23)

Eta range Fitter Total +/- 50% +/- 20% +/- 10% Si only
eta<0.8 Kalman 626 625 623 620 38
DNA 626 625 623 621 35
Global Chi2 627 627 627 619 29
1.6>eta>0.8 Kalman 576 576 574 566 47
DNA 575 575 572 568 47
Global Chi2 576 576 573 564 44
eta>1.6 Kalman 694 692 690 657 369
DNA 695 691 685 648 368
Global Chi2 695 693 689 651 370

-- SueCheatham - 23 Mar 2009

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