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Development of a time of flight spectrometer based on position sensitive multi-wire proportional counters for fission fragment mass distribution studies.
Jhingan, Akhil; Saneesh, N; Kumar, M; Mahajan, Ruchi; Thakur, Meenu; Kaur, Gurpreet; Kapoor, K; Kumar, Neeraj; Shareef, M; Dubey, R; Appannababu, S; Prasad, E; Singh, Hardev; Golda, K S; Ahuja, R; Behera, B R; Sugathan, P.
Afiliação
  • Jhingan A; Inter University Accelerator Centre, P.O. Box 10502, New Delhi 110067, India.
  • Saneesh N; Inter University Accelerator Centre, P.O. Box 10502, New Delhi 110067, India.
  • Kumar M; Inter University Accelerator Centre, P.O. Box 10502, New Delhi 110067, India.
  • Mahajan R; Department of Physics, Panjab University, Chandigarh 160014, India.
  • Thakur M; Department of Physics, Panjab University, Chandigarh 160014, India.
  • Kaur G; Department of Physics, Panjab University, Chandigarh 160014, India.
  • Kapoor K; Department of Physics, Panjab University, Chandigarh 160014, India.
  • Kumar N; Department of Physical and Astrophysics, Delhi University, Delhi 110007, India.
  • Shareef M; Department of Physics, School of Physical Sciences, Central University of Kerala, Kasaragod 671316, India.
  • Dubey R; Inter University Accelerator Centre, P.O. Box 10502, New Delhi 110067, India.
  • Appannababu S; Department of Nuclear Physics, Andhra University, Visakhapatnam 530003, India.
  • Prasad E; Department of Physics, School of Physical Sciences, Central University of Kerala, Kasaragod 671316, India.
  • Singh H; Department of Physics, Kurukshetra University, Kurukshetra 136119, India.
  • Golda KS; Inter University Accelerator Centre, P.O. Box 10502, New Delhi 110067, India.
  • Ahuja R; Inter University Accelerator Centre, P.O. Box 10502, New Delhi 110067, India.
  • Behera BR; Department of Physics, Panjab University, Chandigarh 160014, India.
  • Sugathan P; Inter University Accelerator Centre, P.O. Box 10502, New Delhi 110067, India.
Rev Sci Instrum ; 92(3): 033309, 2021 Mar 01.
Article em En | MEDLINE | ID: mdl-33820015
Characteristics and performance of a time of flight (TOF) spectrometer developed for performing fission mass distribution studies are presented. The spectrometer contains two TOF arms based on multi-wire proportional counters (MWPCs). Each arm has two MWPCs to form a start-stop detection system for TOF measurements. The start detector has an active area of 4 × 4 cm2. The stop detector is a two-dimensional position sensitive MWPC with an active area of 16 × 11 cm2. Salient features of the MWPCs are the use of reduced sub-millimeter wire pitches of 0.635 and 0.317 mm in the electrodes along with the use of gold plated tungsten wires of diameters 10 and 20 µm. A delay line for position electrodes is prepared using chip inductors and capacitors. Ten different configurations of MWPC were investigated for the start detector, which involved the use of three and four electrode geometries, use of different wire pitches, and use of aluminized mylar for timing electrodes. Performance results close to micro-channel plate detectors have been observed with some designs of MWPC, displaying rise times better than 2 ns with an estimated inherent time resolution of ∼100 ps FWHM. A position resolution of ∼1 mm (FWHM) has been observed. Design features of the MWPCs and their test performance results are described in this article.

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Tipo de estudo: Diagnostic_studies Idioma: En Revista: Rev Sci Instrum Ano de publicação: 2021 Tipo de documento: Article País de afiliação: Índia País de publicação: Estados Unidos

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Tipo de estudo: Diagnostic_studies Idioma: En Revista: Rev Sci Instrum Ano de publicação: 2021 Tipo de documento: Article País de afiliação: Índia País de publicação: Estados Unidos