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  1. Article ; Online: Commissioning of the novel Continuous Angle Multi-energy Analysis spectrometer at the Paul Scherrer Institut.

    Lass, Jakob / Jacobsen, Henrik / Krighaar, Kristine M L / Graf, Dieter / Groitl, Felix / Herzog, Frank / Yamada, Masako / Kägi, Christian / Müller, Raphael A / Bürge, Roman / Schild, Marcel / Lehmann, Manuel S / Bollhalder, Alex / Keller, Peter / Bartkowiak, Marek / Filges, Uwe / Greuter, Urs / Theidel, Gerd / Rønnow, Henrik M /
    Niedermayer, Christof / Mazzone, Daniel G

    The Review of scientific instruments

    2023  Volume 94, Issue 2, Page(s) 23302

    Abstract: We report on the commissioning results of the cold neutron multiplexing secondary spectrometer CAMEA (Continuous Angle Multi-Energy Analysis) at the Swiss Spallation Neutron Source at the Paul Scherrer Institut, Switzerland. CAMEA is optimized for ... ...

    Abstract We report on the commissioning results of the cold neutron multiplexing secondary spectrometer CAMEA (Continuous Angle Multi-Energy Analysis) at the Swiss Spallation Neutron Source at the Paul Scherrer Institut, Switzerland. CAMEA is optimized for efficient data acquisition of scattered neutrons in the horizontal scattering plane, allowing for detailed and rapid mapping of low-energy excitations under extreme sample environment conditions.
    Language English
    Publishing date 2023-03-01
    Publishing country United States
    Document type Journal Article
    ZDB-ID 209865-9
    ISSN 1089-7623 ; 0034-6748
    ISSN (online) 1089-7623
    ISSN 0034-6748
    DOI 10.1063/5.0128226
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Bonn / Germany

    Z 4' 46/112: Show issues

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  2. Article ; Online: The upgraded cold neutron triple-axis spectrometer FLEXX – enhanced capabilities by new instrumental options

    Habicht Klaus / Quintero-Castro Diana Lucía / Toft-Petersen Rasmus / Kure Mathias / Mäde Lucas / Groitl Felix / Le Manh Duc

    EPJ Web of Conferences, Vol 83, p

    2015  Volume 03007

    Abstract: The upgrade of the cold neutron triple axis spectrometer FLEXX, a work-horse instrument for inelastic neutron scattering matching the sample environment capabilities at Helmholtz-Zentrum Berlin, has been successfully accomplished. Experiments confirmed ... ...

    Abstract The upgrade of the cold neutron triple axis spectrometer FLEXX, a work-horse instrument for inelastic neutron scattering matching the sample environment capabilities at Helmholtz-Zentrum Berlin, has been successfully accomplished. Experiments confirmed an order of magnitude gain in flux now allowing for intensity demanding options to be fully exploited at FLEXX. In this article, we describe the layout and design of two newly available FLEXX instrument options in detail. The new Heusler analyzer gives an increase of the detected polarized neutron flux due to its superior focusing properties, significantly improving the feasibility of future polarized and neutron resonance spin echo experiments. The MultiFLEXX option provides simultaneous access to large regions in wavevector and energy space for inelastic excitations thus adding mapping capabilities to the spectrometer.
    Keywords Physics ; QC1-999 ; Science ; Q
    Language English
    Publishing date 2015-01-01T00:00:00Z
    Publisher EDP Sciences
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  3. Article ; Online: CAMEA--A novel multiplexing analyzer for neutron spectroscopy.

    Groitl, Felix / Graf, Dieter / Birk, Jonas Okkels / Markó, Márton / Bartkowiak, Marek / Filges, Uwe / Niedermayer, Christof / Rüegg, Christian / Rønnow, Henrik M

    The Review of scientific instruments

    2016  Volume 87, Issue 3, Page(s) 35109

    Abstract: The analyzer detector system continuous angle multiple energy analysis will be installed on the cold-neutron triple-axis spectrometer RITA-2 at SINQ, PSI. CAMEA is optimized for efficiency in the horizontal scattering plane enabling rapid and detailed ... ...

    Abstract The analyzer detector system continuous angle multiple energy analysis will be installed on the cold-neutron triple-axis spectrometer RITA-2 at SINQ, PSI. CAMEA is optimized for efficiency in the horizontal scattering plane enabling rapid and detailed mapping of excitations. As a novelty the design employs a series of several sequential upward scattering analyzer arcs. Each arc is set to a different, fixed, final energy and scatters neutrons towards position sensitive detectors. Thus, neutrons with different final energies are recorded simultaneously over a large angular range. In a single data-acquisition many entire constant-energy lines in the horizontal scattering plane are recorded for a quasi-continuous angular coverage of about 60°. With a large combined coverage in energy and momentum, this will result in a very efficient spectrometer, which will be particularly suited for parametric studies under extreme conditions with restrictive sample environments (high field magnets or pressure cells) and for small samples of novel materials. In this paper we outline the concept and the specifications of the instrument currently under construction.
    Language English
    Publishing date 2016-03
    Publishing country United States
    Document type Journal Article
    ZDB-ID 209865-9
    ISSN 1089-7623 ; 0034-6748
    ISSN (online) 1089-7623
    ISSN 0034-6748
    DOI 10.1063/1.4943208
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Bonn / Germany

    Z 4' 46/112: Show issues

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  4. Article ; Online: Prototype of the novel CAMEA concept-A backend for neutron spectrometers.

    Markó, Márton / Groitl, Felix / Birk, Jonas Okkels / Freeman, Paul Gregory / Lefmann, Kim / Christensen, Niels Bech / Niedermayer, Christof / Jurányi, Fanni / Lass, Jakob / Hansen, Allan / Rønnow, Henrik M

    The Review of scientific instruments

    2018  Volume 89, Issue 1, Page(s) 15105

    Abstract: The continuous angle multiple energy analysis concept is a backend for both time-of-flight and analyzer-based neutron spectrometers optimized for neutron spectroscopy with highly efficient mapping in the horizontal scattering plane. The design employs a ... ...

    Abstract The continuous angle multiple energy analysis concept is a backend for both time-of-flight and analyzer-based neutron spectrometers optimized for neutron spectroscopy with highly efficient mapping in the horizontal scattering plane. The design employs a series of several upward scattering analyzer arcs placed behind each other, which are set to different final energies allowing a wide angular coverage with multiple energies recorded simultaneously. For validation of the concept and the model calculations, a prototype was installed at the Swiss neutron source SINQ, Paul Scherrer Institut. The design of the prototype, alignment and calibration procedures, experimental results of background measurements, and proof-of-concept inelastic measurements on LiHoF
    Language English
    Publishing date 2018-01
    Publishing country United States
    Document type Journal Article
    ZDB-ID 209865-9
    ISSN 1089-7623 ; 0034-6748
    ISSN (online) 1089-7623
    ISSN 0034-6748
    DOI 10.1063/1.5018233
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Bonn / Germany

    Z 4' 46/112: Show issues

    Order via subito

    This service is chargeable due to the Delivery terms set by subito. Orders including an article and supplementary material will be classified as separate orders. In these cases, fees will be demanded for each order.

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  5. Article ; Online: MultiFLEXX - The new multi-analyzer at the cold triple-axis spectrometer FLEXX.

    Groitl, Felix / Toft-Petersen, Rasmus / Quintero-Castro, Diana Lucia / Meng, Siqin / Lu, Zhilun / Huesges, Zita / Le, Manh Duc / Alimov, Svyatoslav / Wilpert, Thomas / Kiefer, Klaus / Gerischer, Sebastian / Bertin, Alexandre / Habicht, Klaus

    Scientific reports

    2017  Volume 7, Issue 1, Page(s) 13637

    Abstract: The first experimental characterization of a multiple energy analysis wide angle backend for a cold triple-axis spectrometer is reported. The multi-analyzer module MultiFLEXX employs 155 detection channels which simultaneously probe an extensive range in ...

    Abstract The first experimental characterization of a multiple energy analysis wide angle backend for a cold triple-axis spectrometer is reported. The multi-analyzer module MultiFLEXX employs 155 detection channels which simultaneously probe an extensive range in wavevector and energy transfer. Successful mapping of magnetic excitations in MnF
    Language English
    Publishing date 2017-10-20
    Publishing country England
    Document type Journal Article
    ZDB-ID 2615211-3
    ISSN 2045-2322 ; 2045-2322
    ISSN (online) 2045-2322
    ISSN 2045-2322
    DOI 10.1038/s41598-017-14046-z
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Book ; Online: Commissioning of the novel Continuous Angle Multi-Energy Analysis Spectrometer at the Paul Scherrer Institut

    Lass, Jakob / Jacobsen, Henrik / Krighaar, Kristine M. L. / Graf, Dieter / Groitl, Felix / Herzog, Frank / Yamada, Masako / Kägi, Christian / Müller, Raphael / Bürge, Roman / Schild, Marcel / Lehmann, Manuel S. / Bollhalder, Alex / Keller, Peter / Bartkowiak, Marek / Filges, Uwe / Greuter, Urs / Theidel, Gerd / Rønnow, Henrik M. /
    Niedermayer, Christof / Mazzone, Daniel G.

    2020  

    Abstract: We report on the commissioning results of the cold neutron multiplexing secondary spectrometer CAMEA (\textbf{C}ontinuous \textbf{A}ngle \textbf{M}ulti-\textbf{E}nergy \textbf{A}nalysis) at the Swiss Spallation Neutron Source (SINQ) at the Paul Scherrer ... ...

    Abstract We report on the commissioning results of the cold neutron multiplexing secondary spectrometer CAMEA (\textbf{C}ontinuous \textbf{A}ngle \textbf{M}ulti-\textbf{E}nergy \textbf{A}nalysis) at the Swiss Spallation Neutron Source (SINQ) at the Paul Scherrer Institut, Switzerland. CAMEA is optimized for an efficient data acquisition of scattered neutrons in the horizontal scattering plane, allowing for detailed and rapid mapping of low-energy excitations under extreme sample environment conditions.
    Keywords Physics - Instrumentation and Detectors ; Condensed Matter - Materials Science
    Publishing date 2020-07-29
    Publishing country us
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

    Full text online

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    Inter-library loan at ZB MED

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