Inelastic Neutron Scattering Spectrometer INDIGO (Indirect Geometry) at the DARIA Compact Neutron Source

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Inelastic Neutron Scattering Spectrometer INDIGO (Indirect Geometry) at the DARIA Compact Neutron Source. / Pavlova, A. E.; Petrova, A. O.; Konik, P. I.; Pavlov, K. A.; Grigoriev, S. V.

In: Journal of Surface Investigation, Vol. 15, No. 1, 01.2021, p. 70-75.

Research output: Contribution to journal › Article › peer-review

Author

Pavlova, A. E. ; Petrova, A. O. ; Konik, P. I. ; Pavlov, K. A. ; Grigoriev, S. V. / Inelastic Neutron Scattering Spectrometer INDIGO (Indirect Geometry) at the DARIA Compact Neutron Source. In: Journal of Surface Investigation. 2021 ; Vol. 15, No. 1. pp. 70-75.

BibTeX

@article{fad7329284bb4560a39a7bd07f0cf2c0,

title = "Inelastic Neutron Scattering Spectrometer INDIGO (Indirect Geometry) at the DARIA Compact Neutron Source",

abstract = "Abstract: The characteristics of an indirect-geometry spectrometer and possibilities of its creation on a compact pulsed neutron source under conditions of its low luminosity are estimated. The configuration of a secondary spectrometer with a position-sensitive detector and a curved crystal analyzer is proposed, which ensures the capture of scattered neutrons at the largest solid angle. The main parameters of the instrument are calculated analytically. Based on the technical requirements for the parameters of the instrument, the numerical simulation is constructed and calculations of the instrument resolution as a function of the energy transfer are performed applying the Monte Carlo method. The analytical resolution function and the resolution function obtained from the simulation show good agreement when considering the contribution from the pulse width. An estimate of the neutron flux on the sample is obtained. The in-principle possibility of implementation of the neutron spectroscopy method under conditions of a compact source is shown.",

keywords = "compact neutron source, indirect-geometry spectrometer, Monte Carlo method, neutron spectroscopy",

author = "Pavlova, {A. E.} and Petrova, {A. O.} and Konik, {P. I.} and Pavlov, {K. A.} and Grigoriev, {S. V.}",

note = "Publisher Copyright: {\textcopyright} 2021, Pleiades Publishing, Ltd.",

year = "2021",

month = jan,

doi = "10.1134/s1027451021010122",

language = "English",

volume = "15",

pages = "70--75",

journal = "ПОВЕРХНОСТЬ. РЕНТГЕНОВСКИЕ, СИНХРОТРОННЫЕ И НЕЙТРОННЫЕ ИССЛЕДОВАНИЯ",

issn = "1027-4510",

publisher = "МАИК {"}Наука/Интерпериодика{"}",

number = "1",

}

RIS

TY - JOUR

T1 - Inelastic Neutron Scattering Spectrometer INDIGO (Indirect Geometry) at the DARIA Compact Neutron Source

AU - Pavlova, A. E.

AU - Petrova, A. O.

AU - Konik, P. I.

AU - Pavlov, K. A.

AU - Grigoriev, S. V.

PY - 2021/1

Y1 - 2021/1

N2 - Abstract: The characteristics of an indirect-geometry spectrometer and possibilities of its creation on a compact pulsed neutron source under conditions of its low luminosity are estimated. The configuration of a secondary spectrometer with a position-sensitive detector and a curved crystal analyzer is proposed, which ensures the capture of scattered neutrons at the largest solid angle. The main parameters of the instrument are calculated analytically. Based on the technical requirements for the parameters of the instrument, the numerical simulation is constructed and calculations of the instrument resolution as a function of the energy transfer are performed applying the Monte Carlo method. The analytical resolution function and the resolution function obtained from the simulation show good agreement when considering the contribution from the pulse width. An estimate of the neutron flux on the sample is obtained. The in-principle possibility of implementation of the neutron spectroscopy method under conditions of a compact source is shown.

AB - Abstract: The characteristics of an indirect-geometry spectrometer and possibilities of its creation on a compact pulsed neutron source under conditions of its low luminosity are estimated. The configuration of a secondary spectrometer with a position-sensitive detector and a curved crystal analyzer is proposed, which ensures the capture of scattered neutrons at the largest solid angle. The main parameters of the instrument are calculated analytically. Based on the technical requirements for the parameters of the instrument, the numerical simulation is constructed and calculations of the instrument resolution as a function of the energy transfer are performed applying the Monte Carlo method. The analytical resolution function and the resolution function obtained from the simulation show good agreement when considering the contribution from the pulse width. An estimate of the neutron flux on the sample is obtained. The in-principle possibility of implementation of the neutron spectroscopy method under conditions of a compact source is shown.

KW - compact neutron source

KW - indirect-geometry spectrometer

KW - Monte Carlo method

KW - neutron spectroscopy

UR - http://www.scopus.com/inward/record.url?scp=85104685501&partnerID=8YFLogxK

UR - https://www.mendeley.com/catalogue/56c3efd2-97b1-3e79-b8bd-f322176198d4/

U2 - 10.1134/s1027451021010122

DO - 10.1134/s1027451021010122

M3 - Article

AN - SCOPUS:85104685501

VL - 15

SP - 70

EP - 75

JO - ПОВЕРХНОСТЬ. РЕНТГЕНОВСКИЕ, СИНХРОТРОННЫЕ И НЕЙТРОННЫЕ ИССЛЕДОВАНИЯ

JF - ПОВЕРХНОСТЬ. РЕНТГЕНОВСКИЕ, СИНХРОТРОННЫЕ И НЕЙТРОННЫЕ ИССЛЕДОВАНИЯ

SN - 1027-4510

IS - 1

ER -

ID: 86426465