Unlocking Nucleon Spin with Fragmentation Functions
![The asymmetry [latex]A_{UT}^{\sin\phi_s}[/latex] was projected using three distinct models [latex]S_k[/latex] for quark-gluon [latex]qg[/latex] and quark-antiquark [latex]\bar{q}q[/latex] fragmentation, revealing the sensitivity of next-to-leading-order calculations to underlying assumptions about hadronization-a dependency further quantified by scale variations spanning [latex]\mu\in[Q/2,2Q][/latex].](https://arxiv.org/html/2603.10628v1/x9.png)
A new analysis reveals the crucial role of fragmentation processes in understanding the transverse spin structure of nucleons.
Science
Patching Security Flaws with AI: Why Code Generation Isn’t Enough
New research reveals that while artificial intelligence can reliably maintain existing code, it frequently fails to address underlying security vulnerabilities due to a lack of true semantic understanding.
Safeguarding Swarms: A New Approach to Multi-Agent System Control
Researchers have developed a distributed control framework that ensures safety in complex multi-agent systems, even when some agents are beyond direct control.
Predictive Routing: Balancing the Load in On-Chip Networks
![Q-StaR distinguishes itself from DOR through a workflow predicated on the principle that optimal solutions are derived from rigorously minimizing a cost function, formalized as [latex] L(q) = \sum_{i=1}^{n} l(x_i, a_i) [/latex], where [latex] l [/latex] represents the instantaneous cost, [latex] x_i [/latex] denotes the state, and [latex] a_i [/latex] the action at time step <i>i</i>, thereby achieving demonstrably superior performance through mathematically provable optimality.](https://arxiv.org/html/2603.10637v1/x7.png)
A new routing scheme, Q-StaR, intelligently anticipates traffic patterns to improve performance and efficiency in Networks-on-Chip.
Hunting Exotic Hadrons: Predicting the Mass of Hidden-Charm Pentaquarks
![The masses of hidden-charm singly-strange pentaquark states exhibit variations correlated with Borel parameter [latex]T_2[/latex], distinguishing between configurations such as [latex][s\bar{u}][uc]\bar{c}[su][uc]\bar{c}[/latex] (0,11,11,5/2), [latex][uu][sc]\bar{c}-[us][uc]\bar{c}[/latex] (11,0,11,5/2), [latex][uu][sc]\bar{c}-[us][uc]\bar{c}[/latex] (11,11,22,5/2), [latex][s\bar{u}][uc]\bar{c}[/latex] (11,0,11,5/2), and [latex][uu][sc]\bar{c}[/latex] (11,11,22,5/2), thereby revealing insights into the internal structure and composition of these exotic hadrons.](https://arxiv.org/html/2603.10774v1/x21.png)
New theoretical calculations using QCD sum rules are refining the search for unusual pentaquark states containing hidden charm.
Hardware-Locked Software: A New Defense Against Cloning and Reverse Engineering
Researchers are exploring innovative methods to tie software directly to unique hardware characteristics, creating a robust barrier against unauthorized duplication and tampering.
Beyond Signatures: A New Era for Blockchain Finality
ACE Runtime introduces a novel architecture for blockchains, achieving sub-second cryptographic finality through a fundamentally different approach to transaction verification.
Beyond the Script: AI-Powered Auditing for Safer Prescriptions
A new framework combines the reasoning power of large language models with structured knowledge to dramatically improve the accuracy and transparency of prescription verification.
Scaling Metasurface Simulations with Recursive Compression
![Compression gain increases with the number of meta-atoms employed, though the extent of this improvement is modulated by the tolerance [latex] \varepsilon [/latex] for quantifying reconstruction error, as detailed in Section 5.2.](https://arxiv.org/html/2603.10586v1/Fig3.png)
A new method dramatically speeds up the analysis of large metasurfaces by efficiently solving the complex electromagnetic interactions within them.
Securing the IoT Edge with Quantum Randomness
This research presents a viable architecture for delivering quantum-enhanced entropy to resource-constrained embedded systems, bolstering security in the age of quantum computing.