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Performance of the PHENIX NCC Prototype Michael Merkin Skobeltyn Institute of Nuclear Physics Moscow State University.

Published byCameron Kelley Modified over 7 years ago

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Presentation on theme: "Performance of the PHENIX NCC Prototype Michael Merkin Skobeltyn Institute of Nuclear Physics Moscow State University."— Presentation transcript:

1 Performance of the PHENIX NCC Prototype Michael Merkin Skobeltyn Institute of Nuclear Physics Moscow State University

2 6/5/06 2 CALOR06: "Performance of the PHENIX NCC Prototype", Michael Merkin NCC Structure NCC Structure Electromagnetic part – 12 - 16 layers with 0.7 – 1.2 L rad Hadron part – 6 layers with 17 mm W Two stripixel layers preshower and shower MAX detectors

3 6/5/06 3 CALOR06: "Performance of the PHENIX NCC Prototype", Michael Merkin NCC Prototype. Overview

4 6/5/06 4 CALOR06: "Performance of the PHENIX NCC Prototype", Michael Merkin NCC Prototype Parts

5 6/5/06 5 CALOR06: "Performance of the PHENIX NCC Prototype", Michael Merkin NCC Prototype: Sensor NCC Prototype: Sensor

6 6/5/06 6 CALOR06: "Performance of the PHENIX NCC Prototype", Michael Merkin Thickness - 300 um (525 – plans for real device) Thickness - 300 um (525 – plans for real device) Silicon Resistivity >5 кОмсм Silicon Resistivity >5 кОмсм Pads -16, 15 * 15 mm 2 each Pads -16, 15 * 15 mm 2 each Sensor size 62 * 62 mm 2 Sensor size 62 * 62 mm 2 Active area 60 * 60 mm 2 Active area 60 * 60 mm 2 One pad capacitance – 70 pF One pad capacitance – 70 pF Full Depletion Voltage (FDV) – 25 – 45 V Full Depletion Voltage (FDV) – 25 – 45 V Sensor Parameters

7 6/5/06 7 CALOR06: "Performance of the PHENIX NCC Prototype", Michael Merkin Sensor Parameters

8 6/5/06 8 CALOR06: "Performance of the PHENIX NCC Prototype", Michael Merkin Sensor Board

9 6/5/06 9 CALOR06: "Performance of the PHENIX NCC Prototype", Michael Merkin Front-End Electronics - CR-1.4 High dynamic range ~2500 MIPs High dynamic range ~2500 MIPs Noise - 2200 e - + 10 e - /pF Noise - 2200 e - + 10 e - /pF Number of channels per chip/board - 16 Number of channels per chip/board - 16

10 6/5/06 10 CALOR06: "Performance of the PHENIX NCC Prototype", Michael Merkin Charge Sensitive preamplifier Charge Sensitive preamplifier Shaper Shaper Analog pipeline Analog pipeline Multiplexer Multiplexer Front-End Electronics - CR-1.4

11 6/5/06 11 CALOR06: "Performance of the PHENIX NCC Prototype", Michael Merkin Readout electronics, charge sensitive amplifier CR-1 Readout electronics, charge sensitive amplifier CR-1

12 6/5/06 12 CALOR06: "Performance of the PHENIX NCC Prototype", Michael Merkin NCC requirements* Energy resolution for one shower at least: σ/E=0.25/E 1/2 Energy resolution for one shower at least: σ/E=0.25/E 1/2 Two showers resolution in case: π 0 → γγ Two showers resolution in case: π 0 → γγ Electronics dynamic range >1000 MIP at 1 MIP resolution. Electronics dynamic range >1000 MIP at 1 MIP resolution. *See E.Kistenev presentation

13 6/5/06 13 CALOR06: "Performance of the PHENIX NCC Prototype", Michael Merkin Direct connection of several channel from different layers to preamplifier channel (tower) Direct connection of several channel from different layers to preamplifier channel (tower) Three pads have been connected to one channel (will be 6) Three pads have been connected to one channel (will be 6) Total load capacitance ~200 pF Total load capacitance ~200 pF This is almost limit for CR-1.4 This is almost limit for CR-1.4 What we have tested?

14 6/5/06 14 CALOR06: "Performance of the PHENIX NCC Prototype", Michael Merkin Test run at U-70 IHEP, Protvino 70 GeV protons 70 GeV protons 10 GeV positrons 10 GeV positrons

15 6/5/06 15 CALOR06: "Performance of the PHENIX NCC Prototype", Michael Merkin MIP resolution Amplitude distribution for MIP (μ, p)

16 6/5/06 16 CALOR06: "Performance of the PHENIX NCC Prototype", Michael Merkin Longitudinal e + shower profile

17 6/5/06 17 CALOR06: "Performance of the PHENIX NCC Prototype", Michael Merkin Energy resolution for 10 GeV e +. Full amplitude sum for all layers ~11%

18 6/5/06 18 CALOR06: "Performance of the PHENIX NCC Prototype", Michael Merkin Picture of Positron Event #17 Run 39

19 6/5/06 19 CALOR06: "Performance of the PHENIX NCC Prototype", Michael Merkin

20 6/5/06 20 CALOR06: "Performance of the PHENIX NCC Prototype", Michael Merkin Picture of Positron Event #29 Run 39

21 6/5/06 21 CALOR06: "Performance of the PHENIX NCC Prototype", Michael Merkin

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