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A primer course of experimental particle and nuclear physics . Advanced experiment Tran Thien Thanh Tran Duy Tap. OSAKA UNIVERSITY - 2009. OUTLINE. 1. Background. 2. Experiment. 3. Discussion. 1.Background. Purpose. A life time of the first excited state of 57 Fe

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Advanced experiment tran thien thanh tran duy tap

A primer course of experimental particle

and nuclear physics



Advanced experiment

Tran Thien Thanh

Tran Duy Tap

OSAKA UNIVERSITY - 2009


Advanced experiment tran thien thanh tran duy tap

OUTLINE

1. Background

2. Experiment

3. Discussion


Advanced experiment tran thien thanh tran duy tap

1.Background

Purpose

  • A life time of the first excited state of 57Fe

  • Calibration of time and channel relation

  • Measurement of the first excited state of 57Fe


Advanced experiment tran thien thanh tran duy tap

1.Background


Advanced experiment tran thien thanh tran duy tap

2. Experiment

Procedures

Stage 1: Energy calibration

Stage 2:Calibration of time – channel relation

Stage 3:Measurement of a life time of first excited state of 57Fe


Advanced experiment tran thien thanh tran duy tap

Amplifier

NaI(Tl) and PMT

HV power supply

MCA

2. Experiment

  • Stage 1: Energy calibration

57Co


Advanced experiment tran thien thanh tran duy tap

14,4KeV

122KeV

2. Experiment


Advanced experiment tran thien thanh tran duy tap

HV

Amplifier

Delay Amp

Start

TAC

Stop

MCA

NaI(Tl)

57Co

PMT

SCA

2. Experiment

  • Stage 2: Calibration of time and channel relation

Diagram of the time – channel relation


Advanced experiment tran thien thanh tran duy tap

2. Experiment

  • Stage 2: Calibration of time and channel relation


Advanced experiment tran thien thanh tran duy tap

2. Experiment

  • Stage 2: Calibration of time and channel relation

A= -0,06667  0,22874

B = 0,26388  0,00074


Advanced experiment tran thien thanh tran duy tap

HV - A

AMP

SCA

Discrimator

57Co

Start

TAC

Stop

MCA

AMP

SCA

Discrimator

HV - B

2. Experiment

Stage 3:Measurement of a life time of first excited state of 57Fe


Advanced experiment tran thien thanh tran duy tap

2. Experiment

  • Stage 3: Measurement of a life time of first excited state of 57Fe


Advanced experiment tran thien thanh tran duy tap

2. Experiment

  • Stage 3: Measurement of a life time of first excited state of 57Fe

A= 2,19815  0,02432

B = -0,02734  0,00020


Advanced experiment tran thien thanh tran duy tap

3. Discussion

Reference T1/2r = 98ns


Advanced experiment tran thien thanh tran duy tap

Thank a lot for your attention!

Wellcome to HCM City


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