63 citations · 438 across the 29 of their papers we have counts for
31 papers
The General Antiparticle Spectrometer (GAPS) Antarctic Balloon Payload
The GAPS Collaboration, Kazutaka Aoyama, Tsuguo Aramaki +65
The General Antiparticle Spectrometer (GAPS) is an Antarctic stratospheric balloon mission designed to provide unmatched sensitivity to low-energy (<0.25 GeV/n) cosmic-ray antiprot…
Depth Calibration of Double-sided Strip Germanium Detectors for the Compton Spectrometer and Imager Satellite
Field R. Rogers, Sean N. Pike, Samer Alnussirat +12
Double-sided strip high-purity germanium detectors with three-dimensional position reconstruction capability have been developed over three decades, with space-based applications i…
Imaging and Spectral Fitting of Bright Gamma-ray Sources with the COSI Balloon Payload
Jarred M. Roberts, Steven Boggs, Thomas Siegert +17
The Compton Spectrometer and Imager balloon payload (COSI-Balloon) is a wide-field-of-view Compton -ray telescope that operates in the 0.2 - 5 MeV bandpass. COSI-Balloon had a s…
Atmospheric Response for MeV Gamma Rays Observed with Balloon-Borne Detectors
Chris Karwin, Carolyn Kierans, Albert Shih +9
The atmospheric response for MeV gamma rays (~ 0.1 - 10 MeV) can be characterized in terms of two observed components. The first component is due to photons that reach the detector…
GAPS contributions to the 38th International Cosmic Ray Conference (Nagoya 2023)
T. Aramaki, M. Boezio, S. E. Boggs +55
Compilation of papers presented by the GAPS Collaboration at the 38th International Cosmic Ray Conference (ICRC), held July 26 through August 3, 2023 in Nagoya, Japan.
The Compton Spectrometer and Imager
John A. Tomsick, Steven E. Boggs, Andreas Zoglauer +72
The Compton Spectrometer and Imager (COSI) is a NASA Small Explorer (SMEX) satellite mission in development with a planned launch in 2027. COSI is a wide-field gamma-ray telescope…
The cosipy library: COSI's high-level analysis software
Israel Martinez-Castellanos, Savitri Gallego, Chien-You Huang +72
The Compton Spectrometer and Imager (COSI) is a selected Small Explorer (SMEX) mission launching in 2027. It consists of a large field-of-view Compton telescope that will probe wit…
Large-scale detector testing for the GAPS Si(Li) Tracker
Mengjiao Xiao, Achim Stoessl, Brandon Roach +17
Lithium-drifted silicon [Si(Li)] has been used for decades as an ionizing radiation detector in nuclear, particle, and astrophysical experiments, though such detectors have frequen…
Soft gamma-ray polarimetry with COSI using maximum likelihood analysis
John A. Tomsick, Alexander Lowell, Hadar Lazar +2
Measurements of the linear polarization of high-energy emission from pulsars, accreting black holes, and gamma-ray bursts (GRBs) provide an opportunity for constraining the emissio…
Calibrations of the Compton Spectrometer and Imager
Jacqueline Beechert, Hadar Lazar, Steven E. Boggs +12
The Compton Spectrometer and Imager (COSI) is a balloon-borne soft -ray telescope (0.2-5 MeV) designed to study astrophysical sources. COSI employs a compact Compton telescope d…
Measurement of Galactic Al with the Compton Spectrometer and Imager
Jacqueline Beechert, Thomas Siegert, John A. Tomsick +11
The Compton Spectrometer and Imager (COSI) is a balloon-borne compact Compton telescope designed to survey the 0.2-5 MeV sky. COSI's energy resolution of 0.2% at 1.8 MeV, sin…
The Compton Spectrometer and Imager Project for MeV Astronomy
John A. Tomsick, Steven E. Boggs, Andreas Zoglauer +33
The Compton Spectrometer and Imager (COSI) is a 0.2-5 MeV Compton telescope capable of imaging, spectroscopy, and polarimetry of astrophysical sources. Such capabilities are made p…
COSI: From Calibrations and Observations to All-sky Images
Andreas Zoglauer, Thomas Siegert, Alexander Lowell +13
The soft MeV gamma-ray sky, from a few hundred keV up to several MeV, is one of the least explored regions of the electromagnetic spectrum. The most promising technology to access…
Imaging the 511 keV positron annihilation sky with COSI
Thomas Siegert, Steven E. Boggs, John A. Tomsick +10
The balloon-borne Compton Spectrometer and Imager (COSI) had a successful 46-day flight in 2016. The instrument is sensitive to photons in the energy range - MeV. Compton t…
Cosmic-ray Antinuclei as Messengers of New Physics: Status and Outlook for the New Decade
P. von Doetinchem, K. Perez, T. Aramaki +59
The precise measurement of cosmic-ray antinuclei serves as an important means for identifying the nature of dark matter and other new astrophysical phenomena, and could be used wit…
Large-area Si(Li) Detectors for X-ray Spectrometry and Particle Tracking for the GAPS Experiment
Field Rogers, Mengjiao Xiao, Kerstin Perez +15
Large-area lithium-drifted silicon (Si(Li)) detectors, operable 150°C above liquid nitrogen temperature, have been developed for the General Antiparticle Spectrometer (GAPS) balloo…
Detection of the 511 keV Galactic positron annihilation line with COSI
Carolyn A. Kierans, Steven E. Boggs, Andreas Zoglauer +10
The signature of positron annihilation, namely the 511 keV -ray line, was first detected coming from the direction of the Galactic center in the 1970's, but the source of Galact…
Benchmarking simulations of the Compton Spectrometer and Imager with calibrations
Clio C. Sleator, Andreas Zoglauer, Alexander W. Lowell +9
The Compton Spectrometer and Imager (COSI) is a balloon-borne gamma-ray (0.2-5 MeV) telescope designed to study astrophysical sources. COSI employs a compact Compton telescope desi…
The Compton Spectrometer and Imager
John A. Tomsick, Andreas Zoglauer, Clio Sleator +21
In this Astro2020 APC White Paper, we describe a Small Explorer (SMEX) mission concept called the Compton Spectrometer and Imager. COSI is a Compton telescope that covers the bandp…
GAPS: Searching for Dark Matter using Antinuclei in Cosmic Rays
R. Bird, T. Aramaki, M. Boezio +47
The General Antiparticle Spectrometer (GAPS) will carry out a sensitive dark matter search by measuring low-energy () cosmic ray antinuclei.…
Large-area Si(Li) detectors for X-ray spectrometry and particle tracking in the GAPS experiment
Field Rogers, Mengjiao Xiao, Kerstin M. Perez +14
The first lithium-drifted silicon (Si(Li)) detectors to satisfy the unique geometric, performance, and cost requirements of the General Antiparticle Spectrometer (GAPS) experiment…
GAPS, low-energy antimatter for indirect dark-matter search
E. Vannuccini, T. Aramaki, R. Bird +37
The General Antiparticle Spectrometer (GAPS) is designed to carry out indirect dark matter search by measuring low-energy cosmic-ray antiparticles. Below a few GeVs the flux of ant…
An Indirect Dark Matter Search Using Cosmic-Ray Antiparticles with GAPS
Alexander Lowell, Tsuguo Aramaki, Ralph Bird +30
Experiments aiming to directly detect dark matter (DM) particles have yet to make robust detections, thus underscoring the need for complementary approaches such as searches for ne…
GAPS: A New Cosmic Ray Anti-matter Experiment
S. Quinn, T. Aramaki, R. Bird +37
The General AntiParticle Spectrometer (GAPS) is a balloon-borne instrument designed to detect cosmic-ray antimatter using the novel exotic atom technique, obviating the strong magn…