activity
20212026
most citedVery high energy gamma-ray emission beyond 10 TeV from GRB 221009A

112 citations · 268 across the 26 of their papers we have counts for

collaborators

28 papers

astro-ph.HE2026

Extreme PeV accelerator associated with GRS 1915+105

Zhen Cao, F. Aharonian, Y. X. Bai +322

Microquasars, binary systems featuring relativistic jets, have emerged as sources for particle acceleration beyond PeV energies. We present a study of the broadband -ray emissio…

astro-ph.HE2026★ 3 cited

An extreme particle accelerator powered by pulsar PSR J1849-0001

The LHAASO Collaboration

Pulsar wind nebulae (PWNe) are bubbles of relativistic particles, powered by the rotational energy loss of the central pulsars. The Crab Nebula, powered by the Milky Way's most ene…

nucl-ex2026★ 2 cited

Probing Late-Stage Hadronic Interactions at High Baryon Density via Production in the RHIC Beam Energy Scan Program

STAR Collaboration, B. E. Aboona, J. Adam +360

A precision measurement of the meson yield is reported in Au+Au collisions at and using the high-statistic…

astro-ph.HE2025

Energy-Dependent Shifts of Medium-Scale Anisotropies in Very-High-Energy Cosmic Rays Observed by LHAASO-KM2A

The LHAASO collabration, Zhen Cao, F. Aharonian +310

Small deviations from isotropy in the arrival directions of Galactic cosmic rays serve as a unique probe of the local magnetic environment. In this Letter, we report observations o…

astro-ph.HE2025

Cygnus X-3: A variable petaelectronvolt gamma-ray source

The LHAASO Collaboration, Zhen Cao, F. Aharonian +324

We report the discovery of variable -rays up to petaelectronvolt from Cygnus X-3, an iconic X-ray binary. The -ray signal was detected with a statistical significance of appr…

nucl-ex2025

Identified charged hadron production in Au+Au collisions at = 54.4 GeV with the STAR detector

STAR Collaboration, B. E. Aboona, J. Adam +360

We present results on the production of , , , and in Au+Au collisions at = 54.4~GeV using the STAR detector at RHIC, at midrap…

astro-ph.HE2025

LHAASO Detection of Ultra-High-Energy Gamma-Ray Emission toward the Giant Molecular Clouds

Zhen Cao, F. Aharonian, Y. X. Bai +310

The -ray from Giant molecular clouds (GMCs) is regarded as the most ideal tool to perform in-situ measurement of cosmic ray (CR) density and spectra in our Galaxy. We report the…

hep-ex2025

Study of Central Exclusive Production of , and Pairs in Proton-Proton Collisions at GeV with the STAR Detector at RHIC

STAR Collaboration, B. E. Aboona, J. Adam +378

We report on the first measurement of the Central Exclusive Production process in proton-proton collisions: (where ) at the center-of-…

astro-ph.HE2025

Energy calibration of LHAASO-KM2A using the cosmic ray Moon shadow

Zhen Cao, F. Aharonian, Y. X. Bai +323

We present a precise measurement of the westward, rigidity-dependent shift of the Moon's shadow using three and a half years of cosmic-ray data collected by the Kilometer Square Ar…

hep-ex2025

Measurement of transverse polarization of and hyperons inside jets in collisions at GeV

STAR Collaboration, B. E. Aboona, J. Adam +363

A surprisingly large transverse polarization of hyperons in unpolarized hadron-nucleon/nucleus collisions has been observed for 50 years, and the origin of this polarization re…

nucl-ex2025★ 3 cited

Observation of charmonium sequential suppression in heavy-ion collisions at the Relativistic Heavy Ion Collider

STAR Collaboration, B. E. Aboona, J. Adam +370

We report measurements of charmonium sequential suppression in Ru+Ru and Zr+Zr collisions at = 200 GeV with the STAR experiment at the Relativistic Heavy…

astro-ph.HE2025★ 14 cited

Precise measurements of the cosmic ray proton energy spectrum in the "knee'' region

The LHAASO Collaboration, Zhen Cao, F. Aharonian +310

We report the high-purity identification of cosmic-ray (CR) protons and a precise measurement of their energy spectrum from 0.15 to 12 PeV using the Large High Altitude Air Shower…

astro-ph.HE2025★ 2 cited

Study of Ultra-High-Energy Gamma-Ray Source 1LHAASO J0056+6346u and Its Possible Origins

Zhen Cao, F. Aharonian, Y. X. Bai +322

We report a dedicated study of the newly discovered extended UHE -ray source 1LHAASO J0056+6346u. Analyzing 979 days of LHAASO-WCDA data and 1389 days of LHAASO-KM2A data, we ob…

nucl-ex2025★ 2 cited

Measurement of Kaon Directed Flow in Au+Au Collisions in the High Baryon Density Region

STAR Collaboration, B. E. Aboona, J. Adam +360

Rapidity-odd directed flow measurements are presented for and in AuAu collisions at = 3.0, 3.2, 3.5, and 3.9 GeV with the STAR exp…

astro-ph.HE2024

An Enigmatic PeVatron in an Area around HII Region G35.60.5

The LHAASO Collaboration, Zhen Cao, F. Aharonian +294

Identifying Galactic PeVatrons (PeV particle accelerators) from the ultra-high-energy (UHE, >100 TeV) -ray sources plays a crucial role in revealing the origin of Galactic cosmi…

hep-ex2024★ 2 cited

Measurement of attenuation length of the muon content in extensive air showers from 0.3 to 30 PeV with LHAASO

The LHAASO Collaboration, Zhen Cao, F. Aharonian +323

The attenuation length of the muon content in extensive air showers provides important information regarding the generation and development of air showers. This information can be…

astro-ph.HE2024★ 15 cited

Observation of the -ray Emission from W43 with LHAASO

Zhen Cao, F. Aharonian, Y. X. Bai +322

In this paper, we report the detection of the very-high-energy (VHE, ) and ultra-high-energy (UHE, ) -ray emissions from th…

astro-ph.HE2024★ 8 cited

Evidence for particle acceleration approaching PeV energies in the W51 complex

The LHAASO Collaboration, Zhen Cao, F. Aharonian +284

The -ray emission from the W51 complex is widely acknowledged to be attributed to the interaction between the cosmic rays (CRs) accelerated by the shock of supernova remnant (SN…

nucl-ex2024★ 7 cited

Correlations of event activity with hard and soft processes in + Au collisions at = 200 GeV at STAR

STAR Collaboration, M. I. Abdulhamid, B. E. Aboona +346

With the STAR experiment at the BNL Relativisic Heavy Ion Collider, we characterize = 200 GeV p+Au collisions by event activity (EA) measured within the pseu…

nucl-ex2024

Temperature Measurement of Quark-Gluon Plasma at Different Stages

STAR Collaboration

In a Quark-Gluon Plasma (QGP), the fundamental building blocks of matter, quarks and gluons, are under extreme conditions of temperature and density. A QGP could exist in the early…

astro-ph.HE2023★ 112 cited

Very high energy gamma-ray emission beyond 10 TeV from GRB 221009A

Zhen Cao, F. Aharonian, Q. An +276

The highest energy gamma-rays from gamma-ray bursts (GRBs) have important implications for their radiation mechanism. Here we report for the first time the detection of gamma-rays…

nucl-ex2023★ 19 cited

Production of Protons and Light Nuclei in Au+Au Collisions at = 3 GeV with the STAR Detector

STAR Collaboration, M. I. Abdulhamid, B. E. Aboona +349

We report the systematic measurement of protons and light nuclei production in Au+Au collisions at = 3 GeV by the STAR experiment at the Relativistic Heavy…

astro-ph.HE2023

Does or did the supernova remnant Cassiopeia A operate as a PeVatron?

Zhen Cao, F. Aharonian, Q. An +276

For decades, supernova remnants (SNRs) have been considered the prime sources of Galactic Cosmic rays (CRs). But whether SNRs can accelerate CR protons to PeV energies and thus dom…

nucl-ex2023★ 18 cited

Observation of the Antimatter Hypernucleus

STAR Collaboration, M. I. Abdulhamid, B. E. Aboona +350

At the origin of the Universe, asymmetry between the amount of created matter and antimatter led to the matter-dominated Universe as we know today. The origins of this asymmetry re…