germanium detector resolution

  • High Resolution Gamma Ray Spectroscopy

    High Resolution Gamma Ray Spectroscopy January 6, 2019 1 Motivation Gamma rays emitted from radioactive sources will be measured with a high purity Germa-nium (HPGe) detector and research-grade electronics. The comparison between a scintil-lation

  • High-Resolution Gamma-Ray Spectroscopy with HPGe …

    Semiconductor detectors made of germanium or silicon compensated with lithium provide significantly better energy resolution. For semiconductor detectors the thickness of the depletion region (depletion depth) d is given by the following equation:

  • SEGMENTATION OF THE OUTER CONTACT ON P-TYPE COAXIAL GERMANIUM DETECTORS

    Germanium detector arrays are needed for low-level counting facilities. The applications of such user facilities ... energy resolution, and can be larger than n-type coaxial detectors. However, it is difficult to reliably segment p-type coaxial detectors because ...

  • Spatial resolution attainable in germanium detectors by …

     · There are several applications for which it is desirable to calculate the locations and energies of individual gamma-ray interactions within a high purity germanium (HPGe) detector. These include gamma-ray imaging and Compton suppression. With a segmented detector this can be accomplished by ...

  • EFFICIENCY AND RESOLUTION OF GERMANIUM DETECTORS AS A …

    EFFICIENCY AND RESOLUTION OF GERMANIUM DETECTORS AS A FUNCTION OF ENERGY AND INCIDENT GEOMETRY R.M. Keyser New Product Development, ORTEC, 801 South Illinois Avenue, Oak Ridge, TN 37831 1 INTRODUCTION The use of

  • Standard Electrode Coaxial Ge Detectors (SEGe) Data Sheet

    The conventional coaxial germanium detector is often referred to as Pure Ge, HPGe, Intrinsic Ge, or Hyperpure Ge. Regardless of the superlative used, the detector is basically a cylinder of germanium with an n-type contact on the outer surface, and a p-type

  • Germanium-based Semiconductor Detectors | nuclear …

    Germanium-based Semiconductor Detectors HPGe detector with LN2 cryostat Source: canberra Germanium-based semiconductor detectors are most commonly used where a very good energy resolution is required, especially for gamma spectroscopy, as well as x-ray spectroscopy., as well as x-ray spectroscopy.

  • Spatial and Spectral Resolution of A Germanium Strip …

    Germanium strip detectors combine both the excellent energy resolution typical of germanium detectors and fine spatial resolution possible in a strip detector. They are applicable to sensitive, high spectral resolution γ-ray detectors using coded-aperture or Compton telescope techniques.

  • GE The Germanium Spectrometer

    Germanium spectrometers are the highest resolution gamma-ray detectors in existence, and they are used extensively for both basic research and applied physics. The energy of gamma or beta rays can be measured with typical resolutions of 0.1%. The goal of

  • Detective X Ultra High Resolution HPGe Radioisotope …

    High Purity Germanium (HPGe) Detectors are acknowledged as "the Gold Standard" detector for radioisotope identification because they provide ~35 times better in energy resolution (selectivity) than Sodium Iodide and ~15 times better in resolution than LaBr

  • Comparison of a High Purity Germanium Gamma Ray …

     · resolution than the MGRS, but the MGRS is 52 times more sensitive and removes 177 % more of the background radiation. ... The detector type is High Purity Germanium, which is a semiconductor that must be temperature controlled with liquid Nitrogen to 77 2 ...

  • IMPROVING GERMANIUM DETECTOR RESOLUTION AND …

    IMPROVING GERMANIUM DETECTOR RESOLUTION AND RELIABILITY Gregory N. Martin 1, Changkun Xie 1, K. Michael Yocum 1, James F. Colaresi 1, and Harry S. Miley 2 CANBERRA Industries, Inc. 1 and Pacific Northwest National Laboratory 2 Sponsored

  • Germanium

    When energy resolution is the most important consideration, the only issue is the size and electrode configuration of the germanium detector to be used. Obtaining a low noise contribution to germanium detector resolution depends on cooling to near the liquid …

  • Germanium Detector

    Germanium-based semiconductor detectors are most commonly used where a very good energy resolution is required, especially for gamma spectroscopy, as well as x-ray spectroscopy. In gamma spectroscopy, germanium is preferred due to its atomic number being much higher than silicon and which increases the probability of gamma ray interaction.

  • Broad Energy Germanium Detectors (BEGe) Data Sheet

    2 Broad Energy Germanium Detectors (BEGe) In addition to routine sample counting, there are many applications in which the BEGe Detector really excels. In internal dosimetry the BEGe gives the high resolution and low background need for actinide lung burden

  • Gamma-Ray Spectrometry Using NaI(Tl) and HPGe Detectors

    Detector resolution for a germanium semiconductor detector is usually expressed as the FWHM (in keV) for the 1332.5-keV photopeak of 60 Co. To determine the resolution of the NaI(Tl) detector count a 137 Cs source until a well-defined 662-

  • Efficiency and resolution of HPGe and NaI(Tl) detectors using …

    High purity germanium detector has better resolution compared to the scintillation type of detector, Sodium iodide (NaI). The HPGe detector offers the advantage of resolving two closely located energy points and has the ability to detect a mixture of

  • Efficiency and resolution of germanium detectors as a …

     · Efficiency and resolution of germanium detectors as a function of energy and incident geometry Abstract: The IEEE Germanium Test Standard (325-1996) is widely used for the specification of HPGe detectors, but only specifies detector performance in limited situations.

  • High-Purity Germanium Detectors | S.S.B.I. Expotrs Pvt. Ltd.

    High- Purity Germanium detectors are mostly used for gamma spectroscopy in nuclear physics, as well as x-ray spectroscopy. SSBI can offer the optimum detector for a wide range of applications. We use both p-type and n-type germanium and we use diffused, implanted, and …

  • Germanium Detectors Manual

    resolution of the detector. Liquid nitrogen, which has a temperature of 77 K, is the common cooling medium for such detectors. The detector is mounted in a vacuum chamber which is attached to or inserted into a LN 2 Dewar. The sensitive detector surfaces are

  • IMPROVING GERMANIUM DETECTOR RESOLUTION AND …

    qualities as well as their inherent noise contribution to the overall system noise. The resolution of a germanium detector is a function of electrical noise and the inherent resolution of the detector element. The electrical noise components which reduce the signal

  • From Ge(Li) detectors to gamma-ray tracking arrays – 50 years of gamma spectroscopy with germanium detectors

    resolution, which is about a factor of three worse than that of a Ge detector. The conclusion is that the best choice of material for universal in-beam γ-ray spectroscopy is still germanium.

  • GE The Germanium Spectrometer

    Page 5 of 16 General description of Germanium detectors The set-up of a typical germanium detector is illustrated in Figure 2. The detector itself is sealed within a vacuum system and is attached to a cold finger that is in thermal contact with liquid nitrogen.

  • What is High Purity Germanium Detector

    Germanium spectrometers are the highest resolution gamma-ray detectors in existence, and they are used extensively for both basic research and applied physics. The energy of gamma or beta rays can be measured with typical resolutions of 0.1%. The goal of

  • High-Resolution Gamma-Ray Spectroscopy with HPGe …

    In case of germanium w (≈3 eV) is low and thus a large number of electron-hole pairs are produced which results in good statistics from the charge collection and therefore a good energy resolution. The width w e is dependent on both the detector capacitance, which in turn depends on the size of the detector, and the bias voltage.

  • A prototype High Purity Germanium detector for high …

     · High resolution gamma-ray spectroscopy at high count rates with a prototype High Purity Germanium detector 2018, Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

  • HyperPure Germanium Detector

    HyperPure Germanium Detector Introduction The aim of this experiment is to be familia r with a HyperPure Germ anium (HPGe) detector used as a -ray spectrometer. The dependence of the energy resolution on the shaping parameter will be investigated. Both

  • Portable Electro-Mechanically Cooled High-Resolution Germanium Detector

    resolution germanium detector for portable/field applications. The system weighs 6.8 kg and requires 40 watts of power to operate once the detector is cooled to its operating temperature. The detector is a 500 mm* by 20-mm thick low-energy configuration that ...

  • A prototype High Purity Germanium detector for high …

     · 1. Introduction High Purity Germanium (HPGe) detectors remain the recognized gold standard for high-resolution gamma-ray spectroscopy, .The excellent energy resolution that HPGe detectors afford often makes them the detector of choice for applications as ...

  • High-Resolution Gamma-Ray Spectroscopy

    detector to thermalize the source neutrons. Purpose Gamma-ray energies will be measured with a High-Purity Germanium (HPGe) detector and research-grade electronics. The theory of response characteristics is explained, and the high-resolution measurement

  • Modular Planar Germanium (MPGe) Detector Systems for High Resolution …

     · Gamma Ray Imaging Detectors Modular Planar Germanium (MPGe) Detector Systems for High Resolution Gamma-ray Spectroscopy and Tracking Arrays DE-SC0009639 2/19/2013-4/14/2015 Ethan Hull PI, PHDS Co. A collaboration with C.J. Lister at U. Mass

  • Gamma spectroscopy

    High-Resolution Gamma-Ray Spectroscopy with HPGe Detectors

  • Calibration of a Germanium Detector

    germanium detectors [3][4][5], which are known for their excellent energy resolution [6]. To interpret the data it is essential to know as much as possible about the behaviour of germanium detectors in the respective environments. Some information can be

  • Manual, Germanium Detectors Users

    Germanium Detectors User''s Manual – 9231358G i Ultra-Low Background Materials ... energy resolution of the detector. Liquid nitrogen, which has a temperature of 77 K, is the common cooling medium for such detectors. The detector is mounted in a 2 The ...

  • Germanium-based Semiconductor Detectors | nuclear …

    Germanium-based semiconductor detectors are most commonly used where a very good energy resolution is required, especially for gamma spectroscopy, as well as x-ray spectroscopy. In gamma spectroscopy, germanium is preferred due to its atomic number being much higher than silicon and which increases the probability of gamma ray interaction.

  • Detectors

    From Detectors - High-Purity Germanium Detectors. 0. The CANBERRA Broad Energy Ge (BEGe) Detector covers the energy range of 3 keV to 3 MeV like no other. The resolution at low energies is equivalent to that of our Low Energy Ge (LEGe) Detector and the resolution at high energy is comparable to that of good quality coaxial (SEGe) detectors.

Free Consult  or  Leave Message

Copyright © AMC | Sitemap

gotop