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Collaborations and top research areas from the last five years
Profiles
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William Nielsen Brandt
- Astronomy & Astrophysics - Verne M. Willaman Professor
- Institute for Gravitation & the Cosmos
- Center for Particle and Gravitational Astrophysics
- Center for Theoretical and Observational Cosmology
Person: Academic
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Maria Del Carmen Carmona Benitez
- Physics - Assistant Professor
- Institute for Gravitation & the Cosmos
- Center for Particle and Gravitational Astrophysics
Person: Academic
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Stephane Coutu
- Physics - Professor
- Institute for Gravitation & the Cosmos
- Center for Particle and Gravitational Astrophysics
Person: Academic
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Douglas Cowen
- Physics - Professor
- Institute for Gravitation & the Cosmos - Associate Director
- Center for Particle and Gravitational Astrophysics
Person: Academic
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Luiz de Viveiros
- Physics - Associate Professor
- Institute for Gravitation & the Cosmos
- Center for Particle and Gravitational Astrophysics
Person: Academic
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Abraham David Falcone
- Astronomy & Astrophysics - Associate Research Professor
- Center for Particle and Gravitational Astrophysics
Person: Academic
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Chad Richard Hanna, PhD
- Physics - Professor and Norman and Trygve Freed Early Career Professorship
- Institute for Computational and Data Sciences (ICDS)
- Institute for Gravitation & the Cosmos
- Center for Particle and Gravitational Astrophysics
Person: Academic
Research output
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A Comprehensive Hadronic Code Comparison for Active Galactic Nuclei
Cerruti, M., Rudolph, A., Petropoulou, M., Böttcher, M., Stathopoulos, S. I., Oikonomou, F., Dimitrakoudis, S., Dmytriiev, A., Gao, S., Inoue, S., Mastichiadis, A., Murase, K., Reimer, A., Robinson, J., Rodrigues, X., Winter, W. & Zech, A., Jan 1 2026, In: Astrophysical Journal, Supplement Series. 282, 1, 22.Research output: Contribution to journal › Article › peer-review
Open Access1 Link opens in a new tab Scopus citations -
A Search for Millimeter-bright Blazars as Astrophysical Neutrino Sources
(The IceCube Collaboration) & (The Atacama Cosmology Telescope Collaboration), Mar 1 2026, In: Astrophysical Journal. 999, 1, 98.Research output: Contribution to journal › Article › peer-review
Open Access -
Black Hole Spectroscopy and Tests of General Relativity with GW250114
The LIGO Scientific Collaboration, the Virgo Collaboration, and the KAGRA Collaboration, Jan 30 2026, In: Physical review letters. 136, 4, 041403.Research output: Contribution to journal › Article › peer-review
Open Access12 Link opens in a new tab Scopus citations -
Combined dark matter search towards dwarf spheroidal galaxies with Fermi-LAT, HAWC, H.E.S.S., MAGIC, and VERITAS
Fermi-LAT collaboration, HAWC Collaboration, H.E.S.S. Collaboration, MAGIC collaboration & VERITAS collaboration, Mar 1 2026, In: Journal of Cosmology and Astroparticle Physics. 2026, 3, 035.Research output: Contribution to journal › Article › peer-review
Open Access -
Evidence for a Spectral Break or Curvature in the Spectrum of Astrophysical Neutrinos from 5 TeV to 10 PeV
(IceCube Collaboration), Mar 27 2026, In: Physical review letters. 136, 12, 121002.Research output: Contribution to journal › Article › peer-review
Open Access2 Link opens in a new tab Scopus citations -
Evidence for Neutrino Emission from X-Ray-bright Active Galactic Nuclei with IceCube
IceCube Collaboration, Mar 20 2026, In: Astrophysical Journal Letters. 1000, 1, L26.Research output: Contribution to journal › Article › peer-review
Open Access3 Link opens in a new tab Scopus citations -
Evidence for Neutrino Emission from X-Ray Bright Seyfert Galaxies in the Southern Hemisphere Using Enhanced Starting Track Events with IceCube
Abbasi, R., Ackermann, M., Adams, J., Agarwalla, S. K., Aguilar, J. A., Ahlers, M., Alameddine, J. M., Ali, S., Amin, N. M., Andeen, K., Argüelles, C., Ashida, Y., Athanasiadou, S., Axani, S. N., Babu, R., Bai, X., Baines-Holmes, J., Balagopal V, A., Barwick, S. W. & Bash, S. & 411 others, , Apr 1 2026, In: Astrophysical Journal Letters. 1000, 2, L37.Research output: Contribution to journal › Article › peer-review
Open Access2 Link opens in a new tab Scopus citations -
Golden and Silver Dark Sirens for Precise H0 Measurement with HETDEX
Dang, Y., Gupta, I., Ciardullo, R., Mentuch Cooper, E., Pandey, S., Davis, D., More, S., Gray, R., Chen, H. Y., Farrow, D. J., Gronwall, C., Jeong, D., Saito, S., Schneider, D. P. & Sathyaprakash, B. S., Jun 1 2026, In: Astrophysical Journal. 1003, 2, 122.Research output: Contribution to journal › Article › peer-review
Open Access -
Magnetic-field Order in the Southwestern Rim of RCW 86 Constrained Using X-Ray Polarimetry
Silvestri, S., Prokhorov, D., Vink, J., Slane, P., Yang, Y. J., Bucciantini, N., Ferrazzoli, R., Zhou, P., Costa, E., Omodei, N., Ng, C. Y., Soffitta, P., Weisskopf, M. C., Baldini, L., Di Marco, A., Doroshenko, V., Heyl, J., Kaaret, P., Marin, F. & Mizuno, T. & 80 others, , Feb 2026, In: Astrophysical Journal. 998, 1, 172.Research output: Contribution to journal › Article › peer-review
Open Access -
Muon tracking in a LiquidO opaque scintillator detector
The LiquidO collaboration, Jan 1 2026, In: Journal of Instrumentation. 21, 1, P01010.Research output: Contribution to journal › Article › peer-review
Open Access
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Understanding the Stellar Mass and Environmental Dependences of Cosmic Black-Hole Growth
Brandt, W. N. (PI)
8/15/24 → 7/31/27
Project: Research project
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CC* Data Storage: Cost-effective Attached Storage for High throughput computing using Homo- geneous IT (CASH HIT) supporting Penn State Science, the Open Science Grid and LIGO
Hanna, C. R. (PI) & Davidradice@psuedu, D. R. (CoPI)
4/1/24 → 3/31/27
Project: Research project
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Event-Driven and Rapid-Readout Hybrid CMOS Detectors for X-ray Astronomy
Falcone, A. D. (PI)
11/9/23 → 11/8/27
Project: Research project
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Collaborative Research: Understanding Compact Binary Formation With Gravitational Wave Observations
Sathyaprakash, B. S. (PI)
9/1/23 → 8/31/26
Project: Research project
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Project 8 and Neutrino Mass Measurement at Penn State
de Viveiros, L. (PI)
9/1/23 → 8/31/27
Project: Research project
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Discovering Neutron Stars and Black Holes with LIGO
Hanna, C. R. (PI)
7/1/23 → 6/30/26
Project: Research project
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Discovering Neutron Stars and Black Holes with LIGO
Hanna, C. R. (PI)
7/1/23 → 6/30/26
Project: Research project
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Collaborative Research: Testing General Relativity with Gravitational-Wave Observations
Sathyaprakash, B. S. (PI)
5/1/23 → 4/30/27
Project: Research project
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WoP-MMA: Multi-TeV, Multi-Messenger, and Multi-Wavelength Particle Astrophysics with HAWC
Mostafa, M. A. (PI)
8/1/21 → 7/31/26
Project: Research project