J. Chang

activity

20202026

most citedPeta-electron volt gamma-ray emission from the Crab Nebula

191 citations · 1.6k across the 80 of their papers we have counts for

collaborators

Showing 2025Show all

17 papers · 1 filter

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

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

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

The $γ$ -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

Amplitude analysis and branching fraction measurement of the decay $D^{0} \to K_{S}^{0} π^{0} π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +703

An amplitude analysis of the decay $D^{0} \to K_{S}^{0} π^{0} π^{0}$ is performed to determine the relative magnitudes and phases of different intermediate processes. The analysis uses $e^+e…

hep-ex2025

Search for the charmonium semi-leptonic weak decay $J / ψ \to D_{s}^{-} e^{+} ν_{e} + c . c .$

BESIII Collaboration, M. Ablikim, M. N. Achasov +685

Using a data sample of $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected with the BESIII detector at a centre-of-mass energy of $s = 3.097 GeV$ , a dedicated search…

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…

astro-ph.HE2025★ 3 cited

Science Prospects for the Southern Wide-field Gamma-ray Observatory: SWGO

SWGO Collaboration, P. Abreu, R. Alfaro +303

Ground-based gamma-ray astronomy is now well established as a key observational approach to address critical topics at the frontiers of astroparticle physics and high-energy astrop…

astro-ph.HE2025

All-sky search for individual Primordial Black Hole bursts with LHAASO

Zhen Cao, F. Aharonian, Y. X. Bai +311

Primordial Black Holes~(PBHs) are hypothetical black holes with a wide range of masses that formed in the early universe. As a result, they may play an important cosmological role…

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…

hep-ex2025★ 1 cited

Partial Wave Analysis of $e^{+} e^{-} \to π^{+} π^{-} J / ψ$ and Cross Section Measurement of $e^{+} e^{-} \to π^{\pm} Z_{c} (3900)^{\mp}$ from 4.1271 to 4.3583 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +645

Based on 12.0 $f b^{- 1}$ of $e^{+} e^{-}$ collision data samples collected by the BESIII detector at center-of-mass energies from 4.1271 to 4.3583 GeV, a partial wave analys…

hep-ex2025★ 1 cited

Search for the lepton number violation decay $ω \to π^{+} π^{+} e^{-} e^{-} + c . c .$

BESIII Collaboration, M. Ablikim, M. N. Achasov +689

The lepton number violation decay $ω \to π^{+} π^{+} e^{-} e^{-} + c . c .$ is searched for via $J / ψ \to ω η$ using a data sample of $(1.0087 \pm 0.0044) \times 1 0^{10}$ $J / ψ$ events collected by…

hep-ex2025

Measurements of branching fractions of $D^{0} \to K^{-} 3 π^{+} 2 π^{-}$ , $D^{0} \to K^{-} 2 π^{+} π^{-} 2 π^{0}$ and $D^{+} \to K^{-} 3 π^{+} π^{-} π^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +687

Utilizing $7.9 f b^{- 1}$ of $e^{+} e^{-}$ collision data taken with the BESIII detector at the center-of-mass energy of 3.773 GeV, we report the measurements of absolute branching f…

hep-ex2025

Search for $1^{-+}$ charmonium-like hybrid via $e^{+} e^{-} \to γ η^{(')} η_{c}$ at center-of-mass energies between 4.258 and 4.681 GeV

BESIII Collaboration, M. Ablikim, M. N. Achasov +688

Using $e^{+} e^{-}$ collision data corresponding to an integrated luminosity of 10.6 fb $^{- 1}$ collected at center-of-mass energies between 4.258 and 4.681 GeV with the BESIII detec…

hep-ex2025★ 1 cited

Search for $J / ψ \to K_{S}^{0} K_{S}^{0}$ and $ψ (3686) \to K_{S}^{0} K_{S}^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +678

Using data samples of $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events and $(2712.4 \pm 14.3) \times 1 0^{6}$ $ψ (3686)$ events collected with the BESIII detector at the BEPCII collider, we sea…

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 $γ$ -ray source 1LHAASO J0056+6346u. Analyzing 979 days of LHAASO-WCDA data and 1389 days of LHAASO-KM2A data, we ob…

astro-ph.HE2025★ 3 cited

Ultra-high-energy $γ$ -ray emission associated with the tail of a bow-shock pulsar wind nebula

Zhen Cao, F. Aharonian, Y. X. Bai +292

In this study, we present a comprehensive analysis of an unidentified point-like ultra-high-energy (UHE) $γ$ -ray source, designated as 1LHAASO J1740+0948u, situated in the vicinity…

astro-ph.HE2025

Broadband $γ$ -ray spectrum of supernova remnant Cassiopeia A

Zhen Cao, F. Aharonian, Y. X. Bai +311

The core-collapse supernova remnant (SNR) Cassiopeia A (Cas A) is one of the brightest galactic radio sources with an angular radius of $\sim$ 2.5 $\arcmin$. Although no extension…

astro-ph.HE2025

Constraining the Cosmic-ray Energy Based on Observations of Nearby Galaxy Clusters by LHAASO

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

Galaxy clusters act as reservoirs of high-energy cosmic rays (CRs). As CRs propagate through the intracluster medium, they generate diffuse $γ$ -rays detectable by arrays such as LH…

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

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

Amplitude analysis and branching fraction measurement of the decay D0→KS0​π0π0

Search for the charmonium semi-leptonic weak decay J/ψ→Ds−​e+νe​+c.c.

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

Science Prospects for the Southern Wide-field Gamma-ray Observatory: SWGO

All-sky search for individual Primordial Black Hole bursts with LHAASO

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

Partial Wave Analysis of e+e−→π+π−J/ψ and Cross Section Measurement of e+e−→π±Zc​(3900)∓ from 4.1271 to 4.3583 GeV

Search for the lepton number violation decay ω→π+π+e−e−+c.c.

Measurements of branching fractions of D0→K−3π+2π−, D0→K−2π+π−2π0 and D+→K−3π+π−π0

Search for 1−+ charmonium-like hybrid via e+e−→γη(′)ηc​ at center-of-mass energies between 4.258 and 4.681 GeV

Search for J/ψ→KS0​KS0​ and ψ(3686)→KS0​KS0​

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

Ultra-high-energy γ-ray emission associated with the tail of a bow-shock pulsar wind nebula

Broadband γ-ray spectrum of supernova remnant Cassiopeia A

Constraining the Cosmic-ray Energy Based on Observations of Nearby Galaxy Clusters by LHAASO

Amplitude analysis and branching fraction measurement of the decay $D^{0} \to K_{S}^{0} π^{0} π^{0}$

Search for the charmonium semi-leptonic weak decay $J / ψ \to D_{s}^{-} e^{+} ν_{e} + c . c .$

Partial Wave Analysis of $e^{+} e^{-} \to π^{+} π^{-} J / ψ$ and Cross Section Measurement of $e^{+} e^{-} \to π^{\pm} Z_{c} (3900)^{\mp}$ from 4.1271 to 4.3583 GeV

Search for the lepton number violation decay $ω \to π^{+} π^{+} e^{-} e^{-} + c . c .$

Measurements of branching fractions of $D^{0} \to K^{-} 3 π^{+} 2 π^{-}$ , $D^{0} \to K^{-} 2 π^{+} π^{-} 2 π^{0}$ and $D^{+} \to K^{-} 3 π^{+} π^{-} π^{0}$

Search for $1^{-+}$ charmonium-like hybrid via $e^{+} e^{-} \to γ η^{(')} η_{c}$ at center-of-mass energies between 4.258 and 4.681 GeV

Search for $J / ψ \to K_{S}^{0} K_{S}^{0}$ and $ψ (3686) \to K_{S}^{0} K_{S}^{0}$

Ultra-high-energy $γ$ -ray emission associated with the tail of a bow-shock pulsar wind nebula

Broadband $γ$ -ray spectrum of supernova remnant Cassiopeia A