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From the 1 of 13 linked papers with an AI index.

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20242026
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13 papers

hep-ex2026

Search for the decay

Belle, Belle II Collaborations, : +432

We present the first search for decays. We look for signal decays in events produced in asymmetric-energy electron-positron collisions.…

nucl-ex2026

High-precision measurement of the kaonic hydrogen 1s level shift and width with SIDDHARTA-2

M. Bazzi, F. Clozza, C. Guaraldo +39

The paper reports a high‑precision measurement of the 1s level shift and width in kaonic hydrogen using the SIDDHARTA‑2 experiment, providing tighter constraints on the low‑energy…

hep-ex2026

First measurement of the masses of the and states and the energy dependence of the cross sections for and

Belle, Belle II Collaborations, : +398

We study the processes and at center-of-mass energies =(10.73 -- 11.02) GeV using a data sampl…

hep-ex2026

Measurement of time-dependent violation parameters in decays at Belle and Belle II

Belle, Belle II Collaborations, : +416

We perform a measurement of time-dependent violation parameters in decays using a dataset of approximately and $521 \times 10…

physics.ins-det2026

Energy Calibration and Performance of HPGe Detectors in the LEGEND-200 Experiment

The LEGEND Collaboration, H. Acharya, M. Agostini +259

This paper describes the energy scale procedures and germanium detectors performance in the LEGEND-200 experiment, a critical component for the first unblinding in the search for n…

physics.atom-ph2026

Spatially Resolved Temperature Measurement Using Rydberg Doppler Broadening Thermometry

K. N. Trivedi, M. Carminati, Èlia Solé Cardona +4

We demonstrate a technique for spatially resolved temperature measurement utilizing Rydberg Doppler broadening thermometry. This method employs two focused laser beams arranged per…