Shattering Carbon Dioxide: How Ion Collisions Control Fragmentation
![Through native-frames analysis of [latex]CO^{3+}_{2}[/latex] breakup following collisions with Argon projectiles, the study disentangles sequential dissociation - where [latex]CO^{2+}[/latex] forms initially before yielding [latex]C^{+}[/latex] and [latex]O^{+}[/latex] - from concerted events, utilizing kinetic energy release and angular distributions to reconstruct the full process and establishing a framework for distinguishing decay pathways in complex molecular fragmentation.](https://arxiv.org/html/2601.03711v1/x2.png)
New research demonstrates that the electronic structure of colliding ions plays a crucial role in determining how highly charged carbon dioxide molecules break apart.
Science
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![A variational quantum circuit, structured to a depth of two and utilizing three qubits, encodes problem Hamiltonians with [latex]R_z[/latex] gates for phase separation within the Quantum Approximate Optimization Algorithm, while [latex]R_x[/latex] gates function as mixing operations.](https://arxiv.org/html/2601.03278v1/Circuit.png)
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