Study on the side and upstream ECAL/TPC Andriaseta Sitraka - - PowerPoint PPT Presentation

▶

Apr 25, 2023 275 likes •449 views

Study on the side and upstream ECAL/TPC Andriaseta Sitraka (University of Antananarivo) Dr. Guang Yang (Stony Brook University) 1 Geometry There are 0.5 m shell of TPC and ECAL and 0.3 m shell of Magnet Goal of the study :

SLIDE 1

Study on the side and upstream ECAL/TPC

1

Andriaseta Sitraka (University of Antananarivo)

Dr. Guang Yang (Stony Brook University)

SLIDE 2

Geometry

 There are 0.5 m shell of TPC and ECAL and 0.3 m

shell of Magnet

 Goal of the study :

Observation of what happen without side

TPC/ECAL

 Without side TPC and ECAL (due to symmetry of the

event topology and the top/bottom side) :

phase space is not lost
the efficiency is lost

2

No side ECAL/TPC

SLIDE 3

Geometry

 The total volume is 2.4 x 2.4 x 2 m and Fiducial

Volume is 2.2 x 2.2 x 1.8 m

 The veto region is 10cm shell  The efficiency are determined by selected events

corresponding to a certain amoung of hadron or lepton energy contain in side veto region

3

3 3 If the energy deposit in this veto region greater than a certain amount, this event is rejected.

SLIDE 4

4

Hadron Efficiency-left/right row( 2.2x2.2x1.8 FV curve)

SLIDE 5

5

Hadron Efficiency-top/bottom row( 2.2x2.2x1.8 FV curve)

SLIDE 6

6

Cut in lepton is constant (< 0.01)

Hadron Efficiency-left/right row( 2.2x2.2x1.8 FV curve)

SLIDE 7

Hadron Efficiency-top/bottom row( 2.2x2.2x1.8 FV curve)

7

Cut in lepton is constant (< 0.01)

SLIDE 8

8

Hadron Efficiency-left/right row( 1x1x1 FV curve)

SLIDE 9

9

Hadron Efficiency-top/bottom row( 1x1x1 FV curve)

SLIDE 10

10

Cut in lepton is constant (< 0.01)

Hadron Efficiency-left/right row( 1x1x1 FV curve)

SLIDE 11

11

Cut in lepton is constant (< 0.01)

Hadron Efficiency-top/bottom row( 1x1x1 FV curve)

SLIDE 12

Geometry

Without upstream ECAL and TPC :

phase space are lost for the backward leaking

events

If the upstream shell region contains a certain amount

f energy, we lose events with those phase spaces

12

Veto region

SLIDE 13

Muon Efficiency in upstream veto

-> veto on hadronic deposit ( 2.2x2.2x1.8 FV)

13

We did not completely lose any significant muon kinimatics phase space.

SLIDE 14

14

We did not completely lose any significant muon kinimatics phase space.

Muon Efficiency in upstream veto

-> veto on lepton deposit ( 2.2x2.2x1.8 FV)

SLIDE 15

Muon Efficiency in upstream --> 1x1x1 FV

15

We did not completely lose any significant muon kinimatics phase space.

SLIDE 16

16

We did not completely lose any significant muon kinimatics phase space.