wovepaper — the arXiv observatory

The study reports the first observation of the decay η_c → p p̄ η using a large ψ(3686) data set collected with the BESIII detector, and determines its branching fraction while acc…

#charmonium decays#ηc decay#branching fraction measurement#interference effects

cs.CV2026

Open-Vocabulary Semantic Segmentation Network Integrating Object-Level Label and Scene-Level Semantic Features for Multimodal Remote Sensing Images

Jinkun Dai, Yuanxin Ye, Peng Tang +4

hep-ex2026

Observation of the Exotic State $Ï_{1}(1600)$ in $Ï(2S)\rightarrowÎ³Ï_{c1},Ï_{c1}\rightarrowÏ^{+}Ï^{-}Î·'$

BESIII Collaboration, M. Ablikim, M. N. Achasov +750

cs.CV2026

Observe Less, Understand More: Cost-aware Cross-scale Observation for Remote Sensing Understanding

Zhenghao Xie, Jing Xiao, Zhenqi Wang +4

cs.CV2025

CHARM: Collaborative Harmonization across Arbitrary Modalities for Modality-agnostic Semantic Segmentation

Lekang Wen, Jing Xiao, Liang Liao +2

cs.CV2022

An Improved End-to-End Multi-Target Tracking Method Based on Transformer Self-Attention

Yong Hong, Deren Li, Shupei Luo +3

hep-ex2026

Evidence of $Ï(3770) \to Ï^{0}J/Ï$

BESIII Collaboration, M. Ablikim, M. N. Achasov +766

hep-ex2026

Observation and branching fraction measurements of $J/Ï\to p \bar p K^0_S K^0_S$ and $Ï(3686) \to p \bar p K^0_S K^0_S$

BESIII Collaboration, M. Ablikim, M. N. Achasov +765

hep-ex2026

Study of $Ï\to K\bar{K}$ in the amplitude analysis of $D^{+}\to K_{S}^{0}K_{L}^{0}Ï^{+}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +772

hep-ex2026

Measurement of the branching fractions of $Ï_{cJ} \to Ï^{+}Ï^{-}Ï^{0}Ï^{0}$ via $Ï(3686) \to Î³Ï_{cJ}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +762

hep-ex2026

Precise measurements of $D^0 \to K^-\ell^+Î½_\ell$ and $D^+ \to \bar K^0\ell^+Î½_\ell$ decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +758

hep-ex2026

First Experimental Constraint on the Scalar Current in the $D^{0(+)}\to \bar K\ell^+Î½_{\ell}$ Transition

BESIII Collaboration, M. Ablikim, M. N. Achasov +758

hep-ex2026

Amplitude Analysis of the Isospin-Violating Decay $J/Ï\rightarrowÎ³Î·Ï^{0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +759

hep-ex2026

Measurements of branching fractions of $Î_{c}^{+}\toÎ£^{0}K_{S}^{0}Ï^{+}$ and $Î_{c}^{+}\toÎ£^{0}K_{S}^{0}K^{+}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +750

hep-ex2026

Observation of $Î·_c(1S)\to Î£^0\bar Î£^0$ and search for $h_c(1P)\to Î£^0\bar Î£^0$ via $Ï(3686)$ transitions

BESIII Collaboration, M. Ablikim, M. N. Achasov +776

hep-ex2026

Cross Section Measurements of $\bar{n}p \rightarrow K^{+}K^{-}Ï^{+}(Ï^{0})$ via Antineutrons Produced by $J/Ï\to p Ï^{-} \bar{n}$ Decays

BESIII Collaboration, M. Ablikim, M. N. Achasov +759

hep-ex2026

Search for a massless particle beyond the Standard Model in the $Î^0\toÎ+ \text{invisible}$ decay

BESIII Collaboration, M. Ablikim, M. N. Achasov +765

Publications (54)

Measurements of the absolute branching fractions of the $Î_{c}^{+}$ hadronic decays

Geometric Consistency Protocol for Foundation Model Features in Multi-View Satellite Imagery

Observation of the $Ï_{cJ}$ decays into $pK^{-}\barÎÎ·+\mathrm{c.c.}$

Study of $\barÎ$-$p$ Annihilation into Light Mesons

DeTracker: Motion-decoupled Vehicle Detection and Tracking in Unstabilized Satellite Videos

An improved measurement of $Î·^\prime\rightarrow e^{+}e^{-}Ï$

SDM-Car: A Dataset for Small and Dim Moving Vehicles Detection in Satellite Videos

EO-VGGT: Orbital Ray-Conditioned 3D Foundation Models for Satellite Multi-View Reconstruction

Precision measurements of semleptonic decays $D^0 \to Ï^-\ell^+Î½_\ell$ and $D^+ \to Ï^0\ell^+Î½_\ell$ ($\ell =e,Î¼$)

Measurement of Born cross sections for $e^+e^-\to p\bar p$ at $\sqrt{s} =3.510-4.946$ GeV

Proof of principle for nucleon polarization measurement at BESIII

Measurement of Born Cross Sections for $e^+e^- \to K^+Î^0\barÎ£^-$ at $\sqrt{s} = 3.51-4.95$ GeV and Observation of $Ï(3770) \to K^+Î^0\barÎ£^-$

Precise measurement of the CKM angle $Î³$ with a novel approach

Precision Measurement of Decay Dynamics in $D^{0(+)}\to Ï^{-(0)}\ell^+Î½_\ell$

Observation of $Ï(3770)\to p\bar p$ and Measurement of Electromagnetic Form Factors of Proton at $\sqrt{s} = 3.510-4.946$ GeV

Heterogeneous SAR-optical fusion for near-real-time land use and land cover mapping under cloud contamination: A novel framework and global benchmark dataset

Search for the radiative decay $D^+_s \to Î³K^*(892)^+$

Axisymmetric necking versus Treloar-Kearsley instability in a hyperelastic sheet under equibiaxial stretching

Strong and electromagnetic amplitudes, direct $CP$ and isospin asymmetries in the decays $J/Ï\to K^0_SK^+Ï^-+c.c.$

First observation of the $Î·_{c}\toÎ^{0} \barÎ^{0}$ decay

A Light-Weighted Convolutional Neural Network for Bitemporal SAR Image Change Detection

Observation of $\barÎp\to K^{+}Ï^{+}Ï^{-}Ï^{0}$ and $\barÎp\to K^{+}Ï^{+}Ï^{-}2Ï^{0}$

Measurement of Born Cross Section for $e^+e^-\to K_S^0\barÎ^+Î£^-+\rm{c.c.}$ at $\sqrt{s} = 3.51-4.95$ GeV

Search for $Ï_0(4360)\rightarrow Î·Ï(2S)$ through the process $e^+e^- \rightarrow Î·Î·Ï(2S)$

GeoMamba: A Geometry-driven MambaVision Framework and Dataset for Fine-grained Optical-SAR Object Retrieval

Observation of a Doubly-strange Hyperon $Î(1720)$ in $J/Ï\rightarrow{}K^{-}Î£^0\barÎ^{+}+c.c.$

First Observation of \boldmath{$D^+ \to a_0(980)Ï$ and $D^+ \to a_0(980)^+ f_0(500)$} in \boldmath{$D^+ \to Ï^+Ï^+Ï^-Î·$ and $D^+ \to Ï^+Ï^0Ï^0Î·$} Decays

SAR Image Change Detection via Spatial Metric Learning with an Improved Mahalanobis Distance

First Measurement of the Relative Phase between Proton Psionic Form Factors

Unexpected large relative strong phase and search for isospin breaking and $CP$ asymmetries in $J/Ï\to K^*(892)\bar K

Observation of the $X(2370)$ in $J/Ï\rightarrowÎ³K^{0}_{S}K^{0}_{S}Ï^{0}$ and $J/Ï\rightarrowÎ³Ï^{0}Ï^{0}Î·$

Imbalanced Learning-based Automatic SAR Images Change Detection by Morphologically Supervised PCA-Net

Amplitude analysis and branching fraction measurement of the decay $D^0 \to K^+K^-Ï^0Ï^0$

Measurement of the Absolute Branching Fraction of Xi(1530)^{-} to (Xi pi)^{-} and Updated Measurement of the Branching Fraction of psi(3686) to anti-Xi^{+} Xi(1530)^{-} + c.c

Study of the $e^+e^-\to Ï^+Ï^-D_s^+D_s^-$ process from $\sqrt{s}$ = 4.42 to 4.95 GeV at BESIII

Measurement of the CKM angle $Î³$ in $B^{\pm} \rightarrow D(\rightarrow K^{0}_{\rm S} h^{\prime+}h^{\prime-})h^{\pm}$ decays with a novel approach

SGMA: Semantic-Guided Modality-Aware Segmentation for Remote Sensing with Incomplete Multimodal Data

Observation of $Î·_{c} \to p\bar{p}Î·$ via $Ï(3686) \to Î³p\bar{p}Î·$

Open-Vocabulary Semantic Segmentation Network Integrating Object-Level Label and Scene-Level Semantic Features for Multimodal Remote Sensing Images

Observation of the Exotic State $Ï_{1}(1600)$ in $Ï(2S)\rightarrowÎ³Ï_{c1},Ï_{c1}\rightarrowÏ^{+}Ï^{-}Î·'$

Observe Less, Understand More: Cost-aware Cross-scale Observation for Remote Sensing Understanding

CHARM: Collaborative Harmonization across Arbitrary Modalities for Modality-agnostic Semantic Segmentation

An Improved End-to-End Multi-Target Tracking Method Based on Transformer Self-Attention

Evidence of $Ï(3770) \to Ï^{0}J/Ï$

Observation and branching fraction measurements of $J/Ï\to p \bar p K^0_S K^0_S$ and $Ï(3686) \to p \bar p K^0_S K^0_S$

Study of $Ï\to K\bar{K}$ in the amplitude analysis of $D^{+}\to K_{S}^{0}K_{L}^{0}Ï^{+}$

Measurement of the branching fractions of $Ï_{cJ} \to Ï^{+}Ï^{-}Ï^{0}Ï^{0}$ via $Ï(3686) \to Î³Ï_{cJ}$

Precise measurements of $D^0 \to K^-\ell^+Î½_\ell$ and $D^+ \to \bar K^0\ell^+Î½_\ell$ decays

First Experimental Constraint on the Scalar Current in the $D^{0(+)}\to \bar K\ell^+Î½_{\ell}$ Transition

Amplitude Analysis of the Isospin-Violating Decay $J/Ï\rightarrowÎ³Î·Ï^{0}$

Measurements of branching fractions of $Î_{c}^{+}\toÎ£^{0}K_{S}^{0}Ï^{+}$ and $Î_{c}^{+}\toÎ£^{0}K_{S}^{0}K^{+}$

Observation of $Î·_c(1S)\to Î£^0\bar Î£^0$ and search for $h_c(1P)\to Î£^0\bar Î£^0$ via $Ï(3686)$ transitions

Cross Section Measurements of $\bar{n}p \rightarrow K^{+}K^{-}Ï^{+}(Ï^{0})$ via Antineutrons Produced by $J/Ï\to p Ï^{-} \bar{n}$ Decays

Search for a massless particle beyond the Standard Model in the $Î^0\toÎ+ \text{invisible}$ decay

Measurements of the absolute branching fractions of the $Î_{c}^{+}$ hadronic decays

Observation of the $Ï_{cJ}$ decays into $pK^{-}\barÎÎ·+\mathrm{c.c.}$

Study of $\barÎ$-$p$ Annihilation into Light Mesons

An improved measurement of $Î·^\prime\rightarrow e^{+}e^{-}Ï$

Precision measurements of semleptonic decays $D^0 \to Ï^-\ell^+Î½_\ell$ and $D^+ \to Ï^0\ell^+Î½_\ell$ ($\ell =e,Î¼$)

Measurement of Born Cross Sections for $e^+e^- \to K^+Î^0\barÎ£^-$ at $\sqrt{s} = 3.51-4.95$ GeV and Observation of $Ï(3770) \to K^+Î^0\barÎ£^-$

Precision Measurement of Decay Dynamics in $D^{0(+)}\to Ï^{-(0)}\ell^+Î½_\ell$

Observation of $Ï(3770)\to p\bar p$ and Measurement of Electromagnetic Form Factors of Proton at $\sqrt{s} = 3.510-4.946$ GeV

Strong and electromagnetic amplitudes, direct $CP$ and isospin asymmetries in the decays $J/Ï\to K^0_SK^+Ï^-+c.c.$

First observation of the $Î·_{c}\toÎ^{0} \barÎ^{0}$ decay

Observation of $\barÎp\to K^{+}Ï^{+}Ï^{-}Ï^{0}$ and $\barÎp\to K^{+}Ï^{+}Ï^{-}2Ï^{0}$

Measurement of Born Cross Section for $e^+e^-\to K_S^0\barÎ^+Î£^-+\rm{c.c.}$ at $\sqrt{s} = 3.51-4.95$ GeV

Search for $Ï_0(4360)\rightarrow Î·Ï(2S)$ through the process $e^+e^- \rightarrow Î·Î·Ï(2S)$

Observation of a Doubly-strange Hyperon $Î(1720)$ in $J/Ï\rightarrow{}K^{-}Î£^0\barÎ^{+}+c.c.$

First Observation of \boldmath{$D^+ \to a_0(980)Ï$ and $D^+ \to a_0(980)^+ f_0(500)$} in \boldmath{$D^+ \to Ï^+Ï^+Ï^-Î·$ and $D^+ \to Ï^+Ï^0Ï^0Î·$} Decays

Unexpected large relative strong phase and search for isospin breaking and $CP$ asymmetries in $J/Ï\to K^*(892)\bar K

Observation of the $X(2370)$ in $J/Ï\rightarrowÎ³K^{0}_{S}K^{0}_{S}Ï^{0}$ and $J/Ï\rightarrowÎ³Ï^{0}Ï^{0}Î·$

Amplitude analysis and branching fraction measurement of the decay $D^0 \to K^+K^-Ï^0Ï^0$

Study of the $e^+e^-\to Ï^+Ï^-D_s^+D_s^-$ process from $\sqrt{s}$ = 4.42 to 4.95 GeV at BESIII

Observation of $Î·_{c} \to p\bar{p}Î·$ via $Ï(3686) \to Î³p\bar{p}Î·$

Observation of the Exotic State $Ï_{1}(1600)$ in $Ï(2S)\rightarrowÎ³Ï_{c1},Ï_{c1}\rightarrowÏ^{+}Ï^{-}Î·'$

Evidence of $Ï(3770) \to Ï^{0}J/Ï$

Observation and branching fraction measurements of $J/Ï\to p \bar p K^0_S K^0_S$ and $Ï(3686) \to p \bar p K^0_S K^0_S$

Study of $Ï\to K\bar{K}$ in the amplitude analysis of $D^{+}\to K_{S}^{0}K_{L}^{0}Ï^{+}$

Measurement of the branching fractions of $Ï_{cJ} \to Ï^{+}Ï^{-}Ï^{0}Ï^{0}$ via $Ï(3686) \to Î³Ï_{cJ}$

Amplitude Analysis of the Isospin-Violating Decay $J/Ï\rightarrowÎ³Î·Ï^{0}$

Measurements of branching fractions of $Î_{c}^{+}\toÎ£^{0}K_{S}^{0}Ï^{+}$ and $Î_{c}^{+}\toÎ£^{0}K_{S}^{0}K^{+}$

Observation of $Î·_c(1S)\to Î£^0\bar Î£^0$ and search for $h_c(1P)\to Î£^0\bar Î£^0$ via $Ï(3686)$ transitions

Cross Section Measurements of $\bar{n}p \rightarrow K^{+}K^{-}Ï^{+}(Ï^{0})$ via Antineutrons Produced by $J/Ï\to p Ï^{-} \bar{n}$ Decays

Search for a massless particle beyond the Standard Model in the $Î^0\toÎ+ \text{invisible}$ decay