Publications (640)
Competitive Programming with Large Reasoning Models
OpenAI, :, Ahmed El-Kishky +23
We show that reinforcement learning applied to large language models (LLMs) significantly boosts performance on complex coding and reasoning tasks. Additionally, we compare two gen…
Observations of the Hubble Deep Field with the Infrared Space Observatory. II. Source detection and photometry
The ISO-HDF Consortium, :, Pippa Goldschmidt
We present positions and fluxes of point sources found in the Infrared Space Observatory (ISO) images of the Hubble Deep Field (HDF) at 6.7 and 15 micron. We have constructed algor…
NVIDIA Nemotron Nano V2 VL
NVIDIA, :, Amala Sanjay Deshmukh +121
We introduce Nemotron Nano V2 VL, the latest model of the Nemotron vision-language series designed for strong real-world document understanding, long video comprehension, and reaso…
Search for correlations between the arrival directions of IceCube neutrino events and ultrahigh-energy cosmic rays detected by the Pierre Auger Observatory and the Telescope Array
The IceCube Collaboration, M. G. Aartsen, K. Abraham +863
This paper presents the results of different searches for correlations between very high-energy neutrino candidates detected by IceCube and the highest-energy cosmic rays measured…
The helicity amplitudes A and A for the D resonance obtained from the reaction}
GDH-, A2-Collaborations, : +1
The helicity dependence of the reaction has been measured for the first time in the photon energy range from 550 to 790 MeV. The experiment, performed a…
A method for comparing multiple imputation techniques: a case study on the U.S. National COVID Cohort Collaborative
Elena Casiraghi, Rachel Wong, Margaret Hall +34
Healthcare datasets obtained from Electronic Health Records have proven to be extremely useful to assess associations between patients' predictors and outcomes of interest. However…
ChPT tests at the NA48 and NA62 experiments at CERN
NA48/2, NA62 Collaborations, : +159
The NA48/2 Collaboration at CERN has accumulated unprecedented statistics of rare kaon decays in the Ke4 modes: Ke4(+-) () and Ke4(00) ($K^\pm \to Ï^…
High-energy particle acceleration in the shell of a supernova remnant
H. E. S. S. Collaboration, :, F. Aharonian
A significant fraction of the energy density of the interstellar medium is in the form of high-energy charged particles (cosmic rays). The origin of these particles remains uncerta…
Towards an AI-Augmented Textbook
LearnLM Team, Google, : +34
Textbooks are a cornerstone of education, but they have a fundamental limitation: they are a one-size-fits-all medium. Any new material or alternative representation requires arduo…
Discovery of very high energy gamma-ray emission in the W 28 (G6.4-0.1) region, and multiwavelength comparisons
H. E. S. S. Collaboration, :, G. Rowell +6
H.E.S.S. observations of the old-age (>10^4yr; ~0.5deg diameter) composite supernova remnant (SNR) W 28 reveal very high energy (VHE) gamma-ray emission situated at its northeaster…
Transverse Structure of Nucleon Parton Distributions from Lattice QCD
LHPC, SESAM Collaborations, : +6
This work presents the first calculation in lattice QCD of three moments of spin-averaged and spin-polarized generalized parton distributions in the proton. It is shown that the sl…
New Discoveries in Cosmology and Fundamental Physics through Advances in Laboratory Astrophysics
AAS WGLA, :, Nancy Brickhouse +10
As the Cosmology and Fundamental Physics (CFP) panel is fully aware, the next decade will see major advances in our understanding of these areas of research. To quote from their ch…
Cosmos World Foundation Model Platform for Physical AI
NVIDIA, :, Niket Agarwal +76
Physical AI needs to be trained digitally first. It needs a digital twin of itself, the policy model, and a digital twin of the world, the world model. In this paper, we present th…
Evolution of structure in cold dark matter universes
The Virgo Consortium, :, A. Jenkins +9
We present an analysis of the clustering evolution of dark matter in four cold dark matter (CDM) cosmologies. We use a suite of high resolution, 17-million particle, N-body simulat…
Unbinned measurement of thrust in collisions at = 91.2 GeV with ALEPH archived data
The Electron-Positron Alliance, :, Anthony Badea +17
The strong coupling constant () is a fundamental parameter of quantum chromodynamics (QCD), the theory of the strong force. Some of the earliest precise constraints on $α_…
Measurement of neutron-proton capture in the SNO+ water phase
The SNO+ Collaboration, :, M. R. Anderson +130
The SNO+ experiment collected data as a low-threshold water Cherenkov detector from September 2017 to July 2019. Measurements of the 2.2-MeV produced by neutron capture on hyd…
A search for feebly-interacting particles in decays with missing energy at Belle
Belle, Belle II Collaborations, : +406
We present a search for an invisible hidden-sector particle , produced in and decays, where ,…
Cosmos-Transfer1: Conditional World Generation with Adaptive Multimodal Control
NVIDIA, :, Hassan Abu Alhaija +38
We introduce Cosmos-Transfer, a conditional world generation model that can generate world simulations based on multiple spatial control inputs of various modalities such as segmen…
The Araucaria Project: Improving the cosmic distance scale
The Araucaria Project, :, G. PietrzyÅski +21
The book consists of a number of short articles that present achievements of the Araucaria members, collaborators, and friends, in various aspects of distance determinations and re…
Planck Intermediate Results II: Comparison of Sunyaev-Zeldovich measurements from Planck and from the Arcminute Microkelvin Imager for 11 galaxy clusters
Planck, AMI Collaborations, : +195
A comparison is presented of Sunyaev-Zeldovich measurements for 11 galaxy clusters as obtained by Planck and by the ground-based interferometer, the Arcminute Microkelvin Imager. A…
Discovery of a low-mass comoving system using NOIRLab Source Catalog DR2
Frank Kiwy, Jacqueline Faherty, Aaron Meisner +6
We present the discovery of a low-mass comoving system found by means of the NOIRLab Source Catalog (NSC) DR2. The system consists of the high proper-motion star LEHPM 5005 and an…
GPT-4o System Card
OpenAI, :, Aaron Hurst +416
GPT-4o is an autoregressive omni model that accepts as input any combination of text, audio, image, and video, and generates any combination of text, audio, and image outputs. It's…
Mu2e Conceptual Design Report
The Mu2e Project, Collaboration, : +225
Mu2e at Fermilab will search for charged lepton flavor violation via the coherent conversion process mu- N --> e- N with a sensitivity approximately four orders of magnitude better…
First Evidence of Solar Neutrino Interactions on C
SNO+ Collaboration, :, M. Abreu +111
The SNO+ Collaboration reports the first evidence of solar neutrinos interacting on nuclei. The charged current interaction proceeds through $^{13}\t…
Detection of VHE gamma-ray emission from the distant blazar 1ES 1101-232 with H.E.S.S. and broadband characterisation
H. E. S. S. Collaboration, :, F. Aharonian
The blazar 1ES 1101-232 was observed with the High Energy Stereoscopic System (H.E.S.S.) of Atmospheric Cherenkov Telescopes (ACT) in 2004 and 2005, for a live time of 43 hours. VH…
Stable characteristic evolution of generic 3-dimensional single-black-hole spacetimes
The Binary Black Hole Grand Challenge Alliance, :, R. Gomez +42
We report new results which establish that the accurate 3-dimensional numerical simulation of generic single-black-hole spacetimes has been achieved by characteristic evolution wit…
Instant NuRec: Feed-Forward 3D Gaussian Reconstruction for Driving Scene Simulation
NVIDIA, :, Jiahui Huang +14
The paper introduces Instant NuRec, a feed‑forward neural model that converts a short multi‑camera driving log into a fully simulatable 3D Gaussian Splatting scene in about 1.5 sec…
Habilis-: A Fast-Motion and Long-Lasting On-Device Vision-Language-Action Model
Tommoro Robotics, :, Jesoon Kang +22
We introduce Habilis-, a fast-motion and long-lasting on-device vision-language-action (VLA) model designed for real-world deployment. Current VLA evaluation remains largely co…
Projected sensitivity of the LUX-ZEPLIN (LZ) experiment to the two-neutrino and neutrinoless double beta decays of Xe
The LUX-ZEPLIN, Collaboration, : +194
The projected sensitivity of the LUX-ZEPLIN (LZ) experiment to two-neutrino and neutrinoless double beta decay of Xe is presented. LZ is a 10-tonne xenon time projection ch…
Restframe I-band Hubble diagram for type Ia supernovae up to redshift z ~0.5
The Supernova Cosmology Project, :, S. Nobili +35
We present a novel technique for fitting restframe I-band light curves on a data set of 42 Type Ia supernovae (SNe Ia). Using the result of the fit, we construct a Hubble diagram w…
On Soft Clustering For Correlation Estimators
Edward Berman, Sneh Pandya, Jacqueline McCleary +14
Properly estimating correlations between objects at different spatial scales necessitates distance calculations. For this reason, most widely adopted packages fo…
Combination of Tevatron searches for the standard model Higgs boson in the W+W- decay mode
The CDF, the D0 Collaborations, : +1
We combine searches by the CDF and D0 collaborations for a Higgs boson decaying to W+W-. The data correspond to an integrated total luminosity of 4.8 (CDF) and 5.4 (D0) fb-1 of p-p…
Search for lepton flavor-violating decay modes with hadronic -tagging at Belle and Belle II
Belle, Belle II Collaborations, : +425
We present the first search for the lepton flavor-violating decay modes using the 711 fb and 365 fb data samples…
Statistics of VHE gamma-Rays in Temporal Association with Radio Giant Pulses from the Crab Pulsar
MAGIC Collaboration, M. L. Ahnen, S. Ansoldi +146
The aim of this study is to search for evidence of a common emission engine between radio giant pulses (GPs) and very-high-energy (VHE, E>100 GeV) gamma-rays from the Crab pulsar.…
Measurements of higher-order cumulants of multiplicity and net-electric charge distributions in inelastic proton-proton interactions by NA61/SHINE
NA61/SHINE, :, H. Adhikary +148
This paper presents the energy dependence of multiplicity and net-electric charge fluctuations in p+p interactions at beam momenta 20, 31, 40, 80, and 158 GeV/c. Results are correc…
Computing Tools for the SMEFT
Editors, :, Jason Aebischer +22
The increasing interest in the phenomenology of the Standard Model Effective Field Theory (SMEFT), has led to the development of a wide spectrum of public codes which implement aut…
Modeling the Effect of the Heliospheric Magnetic Field on Cosmic Ray Muon Shadows
MINOS+ Collaboration, :, P. Adamson +75
Shadows cast in the cosmic ray (CR) muon sky by the Sun were located using muon data from the MINOS far detector in Northern Minnesota. The shadows were observed independently acro…
Yi: Open Foundation Models by 01.AI
01. AI, :, Alex Young +30
We introduce the Yi model family, a series of language and multimodal models that demonstrate strong multi-dimensional capabilities. The Yi model family is based on 6B and 34B pret…
Impact of jet-production data on the next-to-next-to-leading-order determination of HERAPDF2.0 parton distributions
H1, ZEUS Collaborations, : +234
The HERAPDF2.0 ensemble of parton distribution functions (PDFs) was introduced in 2015. The final stage is presented, a next-to-next-to-leading-order (NNLO) analysis of the HERA da…
The distribution of maser stars in the inner Milky Way: the effect of a weak, rotating bar
H. J. Habing, M. N. Sevenster, M. Messineo +4
We derive the distribution of maser stars in the inner Milky Way (MW) based on an analysis of lV-diagrams (lVd) for two samples of maser stars: 771 OH/IR stars and 363 SiO-maser st…
An excess of emission in the dark cloud LDN 1111 with the Arcminute Microkelvin Imager
AMI Consortium, :, A. M. M. Scaife +13
We present observations of the Lynds' dark nebula LDN 1111 made at microwave frequencies between 14.6 and 17.2 GHz with the Arcminute Microkelvin Imager (AMI). We find emission in…
Quenched -parameter with the Wilson and Clover actions at
M. Crisafulli, A. Donini, V. Lubicz +17
We present results for the Kaon parameter from a sample of configurations using the Wilson action and configurations using the Clover action, on a …
Qwen2.5 Technical Report
Qwen, :, An Yang +41
In this report, we introduce Qwen2.5, a comprehensive series of large language models (LLMs) designed to meet diverse needs. Compared to previous iterations, Qwen 2.5 has been sign…
Searching for TeV gamma-ray emission from SGR\,1935+2154 during its 2020 X-ray and radio bursting phase
H. E. S. S. Collaboration, :, H. Abdalla +251
Magnetar hyperflares are the most plausible explanation for fast radio bursts (FRB) -- enigmatic powerful radio pulses with durations of several milliseconds and high brightness te…
Search for invisible modes of nucleon decay in water with the SNO+ detector
SNO+ Collaboration, :, M. Anderson +195
This paper reports results from a search for nucleon decay through 'invisible' modes, where no visible energy is directly deposited during the decay itself, during the initial wate…
Discovery of the Remarkably Red L/T Transition Object VHS J183135.58-551355.9
Thomas P. Bickle, Adam C. Schneider, Jonathan Gagné +15
We present the discovery of VHS J183135.58551355.9 (hereafter VHS J18315513), an L/T transition dwarf identified as a result of its unusually red near-infrared colors ($J-K_{…
Strengthening the bound on the mass of the lightest neutrino with terrestrial and cosmological experiments
The GAMBIT Cosmology Workgroup, :, Patrick Stöcker +12
We determine the upper limit on the mass of the lightest neutrino from the most robust recent cosmological and terrestrial data. Marginalizing over possible effective relativistic…
The Hubble Space Telescope Extragalactic Distance Scale Key Project. X. The Cepheid Distance to NGC 7331
H0 Key Project, :, Shaun M. G. Hughes +19
The distance to NGC 7331 has been derived from Cepheid variables observed with HST/WFPC2, as part of the Extragalactic Distance Scale Key Project. Multi-epoch exposures in F555W (V…
Spectral Energy Distribution of Markarian 501: Quiescent State vs. Extreme Outburst
The VERITAS Collaboration, V. A. Acciari, T. Arlen +225
The very high energy (VHE; E > 100 GeV) blazar Markarian 501 has a well-studied history of extreme spectral variability and is an excellent laboratory for studying the physical pro…
Detection of the Geminga pulsar at energies down to 20 GeV with the LST-1 of CTAO
The CTAO-LST Project, :, K. Abe +331
Geminga is the third gamma-ray pulsar firmly detected by imaging atmospheric Cherenkov telescopes (IACTs) after the Crab and the Vela pulsars. Most of its emission is expected at t…
The Pion-Nucleon sigma-Term with Dynamical Wilson Fermions
SESAM-Collaboration, :, S. Güsken +8
We calculate connected and disconnected contributions to the flavour singlet scalar density amplitude of the nucleon in a full QCD lattice simulation with dynamical Wilson…
New Companions for the lonely Crab? VHE emission from young pulsar wind nebulae revealed by H.E.S.S
H. E. S. S. Collaboration, :, A. Djannati-Atai +4
The deeper and more extended survey of the central parts of the Galactic Plane by H.E.S.S. during 2005-2007 has revealed a number of new point-like, as well as, extended sources. T…
The Quintessential CMB, Past & Future
J. R. Bond, D. Pogosyan, S. Prunet +42
The past, present and future of cosmic microwave background (CMB) anisotropy research is discussed, with emphasis on the Boomerang and Maxima balloon experiments. These data are co…
First Cosmology Results using Type Ia Supernovae from the Dark Energy Survey: The Effect of Host Galaxy Properties on Supernova Luminosity
M. Smith, M. Sullivan, P. Wiseman +88
We present improved photometric measurements for the host galaxies of 206 spectroscopically confirmed type Ia supernovae discovered by the Dark Energy Survey Supernova Program (DES…
Physics with next generation neutrino experiments: ESSnuSB
ESSnuSB, :, Monojit Ghosh
In this proceedings we explore the physics potential of the ESSnuSBplus setup to study beam and non-beam based physics scenarios in both standard and new physics cases. The ESSnuSB…
Measurement of the CKM angle in decays with a novel approach
The BESIII, LHCb Collaborations, : +1903
A measurement of the CKM angle and related strong-phase parameters is performed using a novel, model-independent approach in ${B^{\pm}\rightarrow D(\rightarrow K^{0}_{\rm S} h…
A Demonstration of Improved Constraints on Primordial Gravitational Waves with Delensing
BICEP/Keck, SPTpol Collaborations, : +139
We present a constraint on the tensor-to-scalar ratio, , derived from measurements of cosmic microwave background (CMB) polarization -modes with "delensing," whereby the unce…
New Cold Subdwarf Discoveries from Backyard Worlds and a Metallicity Classification System for T Subdwarfs
Adam J. Burgasser, Adam C. Schneider, Aaron M. Meisner +36
We report the results of a spectroscopic survey of candidate T subdwarfs identified by the Backyard Worlds: Planet 9 program. Near-infrared spectra of 31 sources with red co…
Discovery of very high energy gamma rays from PKS 1424+240 and multiwavelength constraints on its redshift
The VERITAS Collaboration, V. A. Acciari, The Fermi Collaboration +4
We report the first detection of very-high-energy (VHE) gamma-ray emission above 140 GeV from PKS 1424+240, a BL Lac object with an unknown redshift. The photon spectrum above 140…
Light hadron spectrum in three-flavor QCD with O(a)-improved Wilson quark action
CP-PACS, JLQCD Collaboration, : +15
We report on a calculation of the light hadron spectrum and quark masses in three-flavor dynamical QCD using the non-perturbatively O(a)-improved Wilson quark action and a renormal…
Voxtral TTS
Mistral-AI, :, Alexander H. Liu +186
We introduce Voxtral TTS, an expressive multilingual text-to-speech model that generates natural speech from as little as 3 seconds of reference audio. Voxtral TTS adopts a hybrid…
A joint analysis of AMI and CARMA observations of the recently discovered SZ galaxy cluster system AMI-CL J0300+2613
AMI Consortium, :, Timothy W. Shimwell +16
We present CARMA observations of a massive galaxy cluster discovered in the AMI blind SZ survey. Without knowledge of the cluster redshift a Bayesian analysis of the AMI, CARMA and…
Measurement of the flux, spectrum, and variability of TeV gamma-rays from Mkn 501 during a state of high activity
HEGRA-Collaboration, :, F. Aharonian et al
Between March 16, 1997 and April 14, 1997, a high flux level of TeV gamma-rays was observed from Mkn 501, using the HEGRA stereoscopic system of four imaging Cherenkov telescopes.…
Numerical Simulations of an SU(2)_L x SU(2)_R-symmetric Higgs-Yukawa Model on the QUADRICS Q16
M, :, Plagge +1
We report on our work on the SU(2)_L x SU(2)_R symmetric Higgs Yukawa Model with mirror fermion action. Our model describes a fermion Higgs system in the limit of vanishing gauge c…
Every Sample Matters: Leveraging Mixture-of-Experts and High-Quality Data for Efficient and Accurate Code LLM
Codefuse, Ling Team, : +30
Recent advancements in code large language models (LLMs) have demonstrated remarkable capabilities in code generation and understanding. It is still challenging to build a code LLM…
Evidence of Antineutrinos from Distant Reactors using Pure Water at SNO+
SNO+ Collaboration, :, A. Allega +114
The SNO+ Collaboration reports the first evidence of reactor antineutrinos in a Cherenkov detector. The nearest nuclear reactors are located 240~km away in Ontario, Canada. This an…
Fauna Sprout: A lightweight, approachable, developer-ready humanoid robot
Fauna Robotics, :, Diego Aldarondo +48
Recent advances in learned control, large-scale simulation, and generative models have accelerated progress toward general-purpose robotic controllers, yet the field still lacks pl…
Challenges in Monte Carlo event generator software for High-Luminosity LHC
The HSF Physics Event Generator WG, :, Andrea Valassi +38
We review the main software and computing challenges for the Monte Carlo physics event generators used by the LHC experiments, in view of the High-Luminosity LHC (HL-LHC) physics p…
Laboratory Astrophysics and the State of Astronomy and Astrophysics
AAS WGLA, :, Nancy Brickhouse +11
Laboratory astrophysics and complementary theoretical calculations are the foundations of astronomy and astrophysics and will remain so into the foreseeable future. The impact of l…
Magistral
Mistral-AI, :, Abhinav Rastogi +98
We introduce Magistral, Mistral's first reasoning model and our own scalable reinforcement learning (RL) pipeline. Instead of relying on existing implementations and RL traces dist…
Final Report of the Muon E821 Anomalous Magnetic Moment Measurement at BNL
Muon, Collaboration, : +1
We present the final report from a series of precision measurements of the muon anomalous magnetic moment, a_mu = (g-2)/2. The details of the experimental method, apparatus, data t…
Nemotron 3 Nano Omni: Efficient and Open Multimodal Intelligence
NVIDIA, :, Amala Sanjay Deshmukh +204
We introduce Nemotron 3 Nano Omni, the latest model in the Nemotron multimodal series and the first to natively support audio inputs alongside text, images, and video. Nemotron 3 N…
Long-term TeV and X-ray Observations of the Gamma-ray Binary HESS J0632+057
VERITAS Collaboration, E. Aliu, S. Archambault +297
HESS J0632+057 is the only gamma-ray binary known so far whose position in the sky allows observations with ground-based observatories both in the northern and southern hemispheres…
Observations of the Hubble Deep Field with the Infrared Space Observatory. III. Source counts and P(D) analysis
The ISO-HDF Consortium, :, Seb Oliver
We present source counts at 6.7 micron and 15 micron from our maps of the Hubble Deep Field region, reaching 38.6 microJy at 6.7 micron and 255 microJy at 15 micron. These are the…
MinT: Managed Infrastructure for Training and Serving Millions of LLMs
Mind Lab, :, Song Cao +60
We present MindLab Toolkit (MinT), a managed infrastructure system for Low-Rank Adaptation (LoRA) post-training and online serving. MinT targets a setting where many trained polici…
High Precision Mass Measurements in and Families Revisited
OLYA, MD-1 Collaborations, : +3
High precision mass measurements in and families performed in 1980-1984 at the VEPP-4 collider with OLYA and MD-1 detectors are revisited. The corrections for the new val…
NVIDIA Nemotron 3: Efficient and Open Intelligence
NVIDIA, :, Aaron Blakeman +356
We introduce the Nemotron 3 family of models - Nano, Super, and Ultra. These models deliver strong agentic, reasoning, and conversational capabilities. The Nemotron 3 family uses a…
Measurement of the K-pi+ S-wave System in D+ to K-pi+pi+ Decays from Fermilab E791
Fermilab E791, :, E. Aitala
A new approach to the analysis of three body decays is presented. Measurements of the S-wave K pi amplitude are made in independent ranges of invariant mass from threshold up to th…
Non-Perturbative Determination of in Three-flavor Dynamical QCD
CP-PACS, JLQCD Collaborations, : +17
We present a fully non-perturbative determination of the improvement coefficient in three-flavor dynamical QCD for the RG improved as well as the plaquette gaug…
Study of decays at Belle and Belle II
Belle, Belle II Collaborations, : +412
We report a measurement of the branching fraction for the leptonic decay . This work presents the first result using Belle~II data, an updated Be…
Probing the gamma-ray emission from HESS J1834-087 using H.E.S.S. and Fermi LAT observations
The H. E. S. S. Collaboration, :, A. Abramowski +228
Previous observations with HESS have revealed the existence of an extended very-high-energy (VHE; E>100 GeV) gamma-ray source, HESS J1834-087, coincident with the SNR W41. The orig…
Observations of Mkn 421 in 2004 with H.E.S.S. at large zenith angles
H. E. S. S. Collaboration, :, F. Aharonian
Mkn 421 was observed during a high flux state for nine nights in April and May 2004 with the fully operational High Energy Stereoscopic System (H.E.S.S.) in Namibia. The observatio…
Multiwavelength variability and correlation studies of Mrk 421 during historically low X-ray and -ray activity in 20152016
MAGIC Collaboration, V. A. Acciari, S. Ansoldi +224
We report a characterization of the multi-band flux variability and correlations of the nearby (z=0.031) blazar Markarian 421 (Mrk 421) using data from Metsähovi, Swift, Fermi-LAT…
B- and D-meson leptonic decay constants and quark masses from four-flavor lattice QCD
Fermilab Lattice, MILC, TUMQCD Collaborations +20
We describe a recent lattice-QCD calculation of the leptonic decay constants of heavy-light pseudoscalar mesons containing charm and bottom quarks and of the masses of the up, down…
Photometric Properties of Jupiter Trojans detected by the Dark Energy Survey
DES Collobration, :, Jiaming Pan +55
The Jupiter Trojans are a large group of asteroids that are co-orbiting with Jupiter near its L4 and L5 Lagrange points. The study of Jupiter Trojans is crucial for testing differe…
Search for Spatial Correlations of Neutrinos with Ultra-High-Energy Cosmic Rays
The ANTARES collaboration, A. Albert, S. Alves +1042
For several decades, the origin of ultra-high-energy cosmic rays (UHECRs) has been an unsolved question of high-energy astrophysics. One approach for solving this puzzle is to corr…
HESS J1809193: a halo of escaped electrons around a pulsar wind nebula?
H. E. S. S. Collaboration, :, F. Aharonian +151
Context. HESS J1809193 is an unassociated very-high-energy -ray source located on the Galactic plane. While it has been connected to the nebula of the energetic pulsar PSR J…
OGLE-2015-BLG-1670Lb: A Cold Neptune beyond the Snow Line in the Provisional WFIRST Microlensing Survey Field
Clément Ranc, David P. Bennett, Yuki Hirao +56
We present the analysis of the microlensing event OGLE-2015-BLG-1670, detected in a high-extinction field, very close to the Galactic plane. Due to the dust extinction along the li…
Simultaneous H.E.S.S. and Chandra observations of Sagittarius A* during an X-ray flare
H. E. S. S. Collaboration, :, F. Aharonian
The rapidly varying (~10 minute timescale) non-thermal X-ray emission observed from Sgr A* implies that particle acceleration is occuring close to the event horizon of the supermas…
SafeWork-R1: Coevolving Safety and Intelligence under the AI-45 Law
Shanghai AI Lab, :, Yicheng Bao +115
We introduce SafeWork-R1, a cutting-edge multimodal reasoning model that demonstrates the coevolution of capabilities and safety. It is developed by our proposed SafeLadder framewo…
Dota 2 with Large Scale Deep Reinforcement Learning
OpenAI, :, Christopher Berner +24
On April 13th, 2019, OpenAI Five became the first AI system to defeat the world champions at an esports game. The game of Dota 2 presents novel challenges for AI systems such as lo…
First joint oscillation analysis of Super-Kamiokande atmospheric and T2K accelerator neutrino data
Super-Kamiokande, T2K collaborations, : +545
The Super-Kamiokande and T2K collaborations present a joint measurement of neutrino oscillation parameters from their atmospheric and beam neutrino data. It uses a common interacti…
Phoenix-VL 1.5 Medium Technical Report
Team Phoenix, :, Arka Ray +29
We introduce Phoenix-VL 1.5 Medium, a 123B-parameter natively multimodal and multilingual foundation model, adapted to regional languages and the Singapore context. Developed as a…
HL-LHC Computing Review: Common Tools and Community Software
HEP Software Foundation, :, Thea Aarrestad +107
Common and community software packages, such as ROOT, Geant4 and event generators have been a key part of the LHC's success so far and continued development and optimisation will b…
Nemotron 3 Super: Open, Efficient Mixture-of-Experts Hybrid Mamba-Transformer Model for Agentic Reasoning
NVIDIA, :, Aakshita Chandiramani +544
We describe the pre-training, post-training, and quantization of Nemotron 3 Super, a 120 billion (active 12 billion) parameter hybrid Mamba-Attention Mixture-of-Experts model. Nemo…
Search for a Dark Matter annihilation signal from the Sagittarius dwarf galaxy with H.E.S.S
H. E. S. S. Collaboration, :, E. Moulin +5
Dwarf Spheroidal galaxies are amongst the best targets to search for a Dark Matter annihilation signal. The annihilation of WIMPs in the center of Sagittarius dwarf spheroidal (Sgr…
Search for dark matter in the hidden-photon sector with a large spherical mirror
The FUNK Experiment, :, Darko VeberiÄ +11
If dark matter consists of hidden-sector photons which kinetically mix with regular photons, a tiny oscillating electric-field component is present wherever we have dark matter. In…
Multi-wavelength Observations of the Flaring Gamma-ray Blazar 3C 66A in 2008 October
LAT collaboration, A. A. Abdo et al., the VERITAS collaboration +4
The BL Lacertae object 3C 66A was detected in a flaring state by the Fermi Large Area Telescope (LAT) and VERITAS in 2008 October. In addition to these gamma-ray observations, F-GA…
Calculation of Nucleon Electromagnetic Form Factors
LHPC, SESAM Collaborations, : +8
The fomalism is developed to express nucleon matrix elements of the electromagnetic current in terms of form factors consistent with the translational, rotational, and parity symme…
Detection of extended gamma-ray emission around the Geminga pulsar with H.E.S.S
H. E. S. S. Collaboration, :, F. Aharonian +165
Geminga is an enigmatic radio-quiet gamma-ray pulsar located at a mere 250 pc distance from Earth. Extended very-high-energy gamma-ray emission around the pulsar was discovered by…