Skip to content

New CaloPID lines

Here are 3 stripping lines to select photons for PID calibration through the following decays: Ds -> Etap[RhoGamma], Ds* -> Ds[KKpi] Gamma and Eta -> MuMu Gamma. These lines were introduced in the Hlt2 in 2017 and 2018 (TURCAL) but lack an implementation in the other years of running, hence this request. As needed for calibration samples, these lines will save the calo raw banks.

Checks performed:

  • the CaloPID stripping was ran on 2012 MC s20 DSTs of Ds2EtapPi and Dsst2DsGamma. In both cases, the number of stripped candidates is comparable to the number of candidates built when running standalone DV on the DST. So the cuts are correctly implemented.

  • Stripped DST with Dsst2DsGamma candidates were produced from 2011 and 2012 provided data. Re-running the calo reconstruction through DV gives the same number of photons when using the same CondDB and a different number of photons when using a home-made CondDB. So the raw banks are correctly saved.

Below are the rate tests. For comparison, the rates of other CaloPID lines (D02Kpipipi0) are also indicated.

2011

StrippingReport                                                INFO Event 50000, Good event 50000
 |                                              *Decision name*|*Rate,%*|*Accepted*| *Mult*|*ms/evt*|
 |_StrippingGlobal_                                            |  0.0240|        12|       |   4.384|
 |_StrippingSequenceStreamCalibration_                         |  0.0240|        12|       |   4.368|
 |!StrippingCaloPIDDs2EtapPiLine                               |  0.0100|         5|  1.000|   1.195|
 |!StrippingCaloPIDDsst2DsGammaLine                            |  0.0140|         7|  1.143|   2.191|
 |!StrippingCaloPIDEta2MuMuGammaLine                           |  0.0000|         0|  0.000|   0.237|
 |!StrippingCaloPIDDs2EtapPiLine_TIMING                        |  0.0100|         5|  1.000|   0.040|
 |!StrippingCaloPIDDsst2DsGammaLine_TIMING                     |  0.0140|         7|  1.143|   0.036|
 |!StrippingCaloPIDEta2MuMuGammaLine_TIMING                    |  0.0000|         0|  0.000|   0.034|

StrippingReport                                                INFO Event 10000, Good event 10000
 |                                              *Decision name*|*Rate,%*|*Accepted*| *Mult*|*ms/evt*|
 |_StrippingGlobal_                                            |  0.1500|        15|       |   3.035|
 |_StrippingSequenceStreamCalibration_                         |  0.1500|        15|       |   3.019|
 |!StrippingD02KPiPi0_R                                        |  0.0800|         8|  1.000|   1.329|
 |!StrippingD02KPiPi0_M                                        |  0.0300|         3|  1.000|   0.292|
 |!StrippingD02KPiPi0_R_TIMING                                 |  0.0900|         9|  1.111|   0.608|
 |!StrippingD02KPiPi0_M_TIMING                                 |  0.0000|         0|  0.000|   0.122|

2012

StrippingReport                                                INFO Event 50000, Good event 50000
 |                                              *Decision name*|*Rate,%*|*Accepted*| *Mult*|*ms/evt*|
 |_StrippingGlobal_                                            |  0.0460|        23|       |  18.661|
 |_StrippingSequenceStreamCalibration_                         |  0.0460|        23|       |  18.642|
 |!StrippingCaloPIDDs2EtapPiLine                               |  0.0160|         8|  1.000|   2.212|
 |!StrippingCaloPIDDsst2DsGammaLine                            |  0.0280|        14|  1.071|  15.137|
 |!StrippingCaloPIDEta2MuMuGammaLine                           |  0.0020|         1|  1.000|   0.407|
 |!StrippingCaloPIDDs2EtapPiLine_TIMING                        |  0.0160|         8|  1.000|   0.045|
 |!StrippingCaloPIDDsst2DsGammaLine_TIMING                     |  0.0280|        14|  1.071|   0.037|
 |!StrippingCaloPIDEta2MuMuGammaLine_TIMING                    |  0.0020|         1|  1.000|   0.037|


StrippingReport                                                INFO Event 10000, Good event 10000
 |                                              *Decision name*|*Rate,%*|*Accepted*| *Mult*|*ms/evt*|
 |_StrippingGlobal_                                            |  0.7400|        74|       |   4.873|
 |_StrippingSequenceStreamCalibration_                         |  0.7400|        74|       |   4.856|
 |!StrippingD02KPiPi0_R                                        |  0.4000|        40|  1.125|   2.282|
 |!StrippingD02KPiPi0_M                                        |  0.1300|        13|  1.000|   0.529|
 |!StrippingD02KPiPi0_R_TIMING                                 |  0.3900|        39|  1.154|   1.033|
 |!StrippingD02KPiPi0_M_TIMING                                 |  0.1000|        10|  1.000|   0.211|
Edited by Louis Henry

Merge request reports