Next-generation SOlar Neutron TRACking (SONTRAC) instrument

被引：1

作者：

de Nolfo, G. A. ^{[1
]}

Mitchell, J. G. ^{[1
,2
]}

Suarez, G. ^{[3
]}

Ryan, J. M.

Bruno, A. ^{[1
,5
]}

Dumonthier, J. ^{[3
]}

Legere, J. ^{[4
]}

Messner, R. ^{[6
]}

Tatoli, T. ^{[1
,5
]}

Williams, L. ^{[1
,7
]}

机构：

[1] NASA, Goddard Space Flight Ctr, Heliophys Div, 8800 Greenbelt Rd, Greenbelt, MD 20771 USA

[2] George Washington Univ, Dept Phys, 725 21st St NW, Washington, DC 20052 USA

[3] NASA, Instrument Elect Dev Branch, Goddard Space Flight Ctr, 8800 Greenbelt Rd, Code 564, Greenbelt, MD 20771 USA

[4] Univ New Hampshire, Space Sci Ctr, 8 Coll Rd,Code 564, Durham, NH 03824 USA

[5] Catholic Univ Amer, Phys Dept, 620 Michigan Ave NE, Washington, DC 20064 USA

[6] Univ New Hampshire, Coll Engn & Phys Sci, 33 Acad Way, Durham, NH 03824 USA

[7] Kellogg Brown & Root, 2677 Prosper Ave, Fairfax, VA 22030 USA

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2023年 / 1054卷

关键词：

Proton tracker; Scintillating fibers; Silicon photomultipliers; Neutron spectrometer; IMAGING SPECTROMETER; ISOTOPE SPECTROMETER; RADIATION-DAMAGE; DETECTOR;

D O I：

10.1016/j.nima.2023.168352

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The SOlar Neutron TRACking (SONTRAC) instrument is a novel neutron spectrometer based on proton tracking. The instrument is composed of orthogonally-stacked 1 mm scintillating plastic fibers that are read out by commercially available high-resolution, fine-grain silicon photomultipliers (SiPMs). The fiber pitch is matched to the off-the-shelf 1.36 mm pitch of 8 x 8 arrays of 1 mm SiPMs from Broadcom. SiPM signals are readout by a 32-channel CAEN DT5550W readout system with the A55PET4 with front-end application-specific integrated circuits (ASICs; four Petiroc2 ASICs). The compact, low-power nature of the SiPM interface and ASIC readout translates to a realistic volume, power, and mass budget for a future SmallSAT or probe-class mission. The instrument prototype has been tested with laboratory radiation sources, ground-level muons, and a neutron/proton accelerator beam. We report on the instrument design and performance.

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