The Advanced Particle-astrophysics Telescope (APT) Project Status

Adapt,; Al-Nussirat, S.; Altomare, Corrado; Bose, R.; Braun, Dana; Buckley, J. H.; Buhler, Jeremy; Burns, E.; Chamberlain, Roger D.; Chen, Wenlei; Cherry, M. L.; Venere, L. Di; Dumonthier, Jeffrey; Errando, M.; Funk, Stefan; Giordano, F.; Hoffman, Jonah; Hughes, Zachary; Huth, Dawson; Kelly, Patrick L.; Krizmanic, John F.; Kuwahara, Makiko; Licciulli, F.; Liu, Gang; Mazziotta, M. N.; Mitchell, J. G.; Mitchell, J. W.; Nolfo, G. A. de; Paoletti, R.; Pillera, Roberta; Rauch, B. F.; Serini, D.; Simburger, Garry E; Sudvarg, Marion; Suárez, Guillaume; Tatoli, Teresa; Varner, G.; Wulf, E.; Zink, A.; Zober, Wolfgang V

doi:10.22323/1.395.0655

Cited by 22 publications

(9 citation statements)

References 3 publications

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“…The Advanced Particle-astrophysics Telescope (APT) (Fig. 8) is a concept for a future probe-class space-based γ-ray and cosmicray detector [158]. The mission would have a broad impact on astroparticle physics.…”

Section: Advanced Particle-astrophysics Telescope (Apt)mentioning

confidence: 99%

Snowmass2021 Cosmic Frontier: The landscape of cosmic-ray and high-energy photon probes of particle dark matter

Aramaki¹,

Boezio²,

Buckley³

et al. 2022

Preprint

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This white paper discusses the current landscape and prospects for experiments sensitive to particle dark matter processes producing photons and cosmic rays. Much of the γ-ray sky remains unexplored on a level of sensitivity that would enable the discovery of a dark matter signal. Currently operating GeV-TeV observatories, such as Fermi-LAT, atmospheric Cherenkov telescopes, and water Cherenkov detector arrays continue to target several promising dark matter-rich environments within and beyond the Galaxy. Soon, several new experiments will continue to explore, with increased sensitivity, especially extended targets in the sky. This paper reviews the several near-term and longer-term plans for γray observatories, from MeV energies up to hundreds of TeV. Similarly, the X-ray sky has been and continues to be monitored by decade-old observatories. Upcoming telescopes will further bolster searches and allow new discovery space for lines from, e.g., sterile neutrinos and axion-photon conversion.Furthermore, this overview discusses currently operating cosmic-ray probes and the landscape of future experiments that will clarify existing persistent anomalies in cosmic radiation and spearhead possible new discoveries.Finally, the article closes with a discussion of necessary cross section measurements that need to be conducted at colliders to reduce substantial uncertainties in interpreting photon and cosmic-ray measurements in space.Snowmass2021 Cosmic Frontier: The landscape of cosmic-ray and high-energy photon probes of particle dark matter Snowmass2021 Cosmic Frontier: The landscape of cosmic-ray and high-energy photon probes of particle dark matter

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Section: Advanced Particle-astrophysics Telescope (Apt)mentioning

confidence: 99%

Snowmass2021 Cosmic Frontier: The landscape of cosmic-ray and high-energy photon probes of particle dark matter

Aramaki¹,

Boezio²,

Buckley³

et al. 2022

Preprint

Self Cite

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“…While no large-scale gamma-ray missions have been selected, many mission concepts have been developed and proposed. Most of these missions combine Compton imaging and pair capabilities in the same instrument volume: AMEGO [61] and AMEGO-X [832], GRAMS [833], and APT [834]. These missions provide ∼ 1 • localization for transients and a sensitive, wide field of view for source monitoring and observations.…”

Section: Carolyn Kieransmentioning

confidence: 99%

Advancing the Landscape of Multimessenger Science in the Next Decade

Engel¹,

Lewis²,

Muzio³

et al. 2022

Preprint

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The last decade has brought about a profound transformation in multimessenger science. Ten years ago, facilities had been built or were under construction that would eventually discover the nature of objects in our universe could be detected through multiple messengers. Nonetheless, multimessenger science was hardly more than a dream. The rewards for our foresight were finally realized through IceCube's discovery of the diffuse astrophysical neutrino flux, the first observation of gravitational waves by LIGO, and the first joint detections in gravitational waves and photons and in neutrinos and photons. Today we live in the dawn of the multimessenger era.The successes of the multimessenger campaigns of the last decade have pushed multimessenger science to the forefront of priority science areas in both the particle physics and the astrophysics communities. Multimessenger science provides new methods of testing fundamental theories about the nature of matter and energy, particularly in conditions that are not reproducible on Earth. This white paper will present the science and facilities that will provide opportunities for the particle physics community renew its commitment and maintain its leadership in multimessenger science.

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“…For example, the proposed PANGU concept uses scintillating fibers in place of Silicon strip detector (Wu et al, 2016). The APT mission concept uses sheets of CsI read out via wavelength shifting fibers to enable localization combined with a scintillating fiber tracker (Buckley et al, 2021). In the extreme case of a low-density active target such as a gas time-projection chamber (TPC), the tracking of the electron can be so precise that the Compton arc becomes quite short, and the scatter plane deviation becomes of the same order of magnitude as the angular resolution measure (the electron tracking Compton camera (ETCC) concept, Komura et al, 2017).…”

Section: D Instrumentsmentioning

confidence: 99%

Gamma-Ray Polarimetry

Bernard¹,

Chattopadhyay²,

Kislat³

et al. 2022

Preprint

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While the scientific potential of high-energy X-ray and gamma-ray polarimetry has long been recognized, measuring the polarization of high-energy photons is challenging. To date, there has been very few significant detections from an astrophysical source. However, recent technological developments raise the possibility that this may change in the not-too-distant future. Significant progress has been made in the development of Gamma-ray Burst (GRB) polarimeters and polarization sensitive Compton telescopes. A second-generation dedicated GRB polarimeter, POLAR-2, is under development for launch in 2024, and COSI a secondgeneration polarization sensitive Compton Telescope has been selected by NASA for launch in 2025. This chapter reviews basic concepts and experimental approaches of scattering polarimetry of hard X-rays to MeV γ-rays, and pair production polarimetry of higher-energy photons.

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The Advanced Particle-astrophysics Telescope (APT) Project Status

Cited by 22 publications

References 3 publications

Snowmass2021 Cosmic Frontier: The landscape of cosmic-ray and high-energy photon probes of particle dark matter

Snowmass2021 Cosmic Frontier: The landscape of cosmic-ray and high-energy photon probes of particle dark matter

Advancing the Landscape of Multimessenger Science in the Next Decade

Gamma-Ray Polarimetry

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