Momentum imaging and kinetic energy release measurements for various fragmentation pathways in MeV energy proton collision with SO2 moleculeWe have studied the ionization and fragmentation of SO2 molecular target in collision with 1 MeV proton beam using the technique of recoil ion momentum spectroscopy. Fragmentation dynamics of…Sandeep Bajrangi Bari, Ranojit Das, Rohit Tyagi et al.·Apr 6, 2025SaveLearn
The asymmetric rotating saddle potential as a mechanical analog to the RF Paul trapUnder specific conditions, a rotating saddle potential can confine the motion of a particle on its surface. This time-varying hyperbolic potential shares key characteristics with the RF electric…Aidan Carey, Laurel Barnett, Robert Hart et al.·Apr 5, 2025SaveLearn
H, He-like recombination spectra VI: Quadrupole l-changing collisionsWe have developed a simple analytic formula that well describes quadrupole l-changing collisions of the form nl → nl', as confirmed by comparison with numerical quantal Born…E. Deliporanidou, N. R. Badnell, P. J. Storey et al.·Apr 4, 2025SaveLearn
The role of spectator modes in the quantum-logic spectroscopy of single trapped molecular ionsQuantum-logic spectroscopy has become an increasingly important tool for the state detection and readout of trapped atomic and molecular ions which do not possess easily accessible closed-cycling…Mikolaj Roguski, Aleksandr Shlykov, Ziv Meir et al.·Apr 3, 2025SaveLearn
Quantum-amplified global-phase spectroscopy on an optical clock transitionOptical lattice clocks (OLCs) are at the forefront of precision metrology, operating near a standard quantum limit (SQL) set by quantum noise. Harnessing quantum entanglement offers a promising route…Leon Zaporski, Qi Liu, Gustavo Velez et al.·Apr 2, 2025SaveLearn
Precise Determination of Electric Quadrupole Moments and Isotope Shift Constants of Yb+ in Pursuance of Probing Fundamental Physics and Nuclear RadiiContemplating to register signature of a new vector boson unambiguously from the measured non-linear isotope shift (IS) effects in three recent experiments [Phys. Rev. X 12, 021033 (2022);…B. K. Sahoo·Apr 2, 2025SaveLearn
Demonstrating Correlation Trends in the Electric Dipole Polarizabilities of Many Low-lying States in Cs I through First-principle CalculationsElectron correlation and higher-order relativistic effects are probed in the evaluation of scalar and tensor static electric dipole (E1) polarizabilities (αd) of several even- and odd-parity…A. Chakraborty, B. K. Sahoo·Apr 2, 2025SaveLearn
Laser spectroscopy on the hyperfine structure and isotope shift of sympathetically cooled 229Th3+ ionsThe hyperfine structure of 229Th3+ ions in the nuclear ground state is investigated via laser spectroscopy of trapped Th3+ ions that are sympathetically cooled by laser-cooled…G. Zitzer, J. Tiedau, Ch. E. Düllmann et al.·Apr 1, 2025SaveLearn
Filter circuit for suppression of electric-field noise in Rydberg-atom experimentsRydberg atoms are widely employed in precision spectroscopy and quantum information science. To minimize atomic decoherence caused by dc Stark effect, the electric field noise at the Rydberg atom…Xinyan Xiang, Shuaijie Li, Alisher Duspayev et al.·Apr 1, 2025SaveLearn
Continuous time ultra-high frequency (UHF) sensing using ultra-cold Rydberg atomsWe present a technique for detecting ultra-high frequency (UHF) radio fields using a three-photon Rydberg excitation scheme in a continuously laser cooled sample of Rb-87 atoms. By measuring…Matthew J Jamieson, Kevin J Weatherill, C Stuart Adams et al.·Mar 31, 2025SaveLearn
Two-color magneto-optical trapping of ytterbium atomsWe report laser cooling and trapping of ytterbium atoms in a two-color magneto-optical trap (MOT). Benefited from both the broad singlet transition (1S0→ 1P1) and the…Xiao Li, Yufei Wang, Ligeng Yu et al.·Mar 31, 2025SaveLearn
Effects of the delocalized charge distribution in trapped ion-atom collisionsIn the study of ion-atom interactions, the ion often remain trapped during the experiments. However, the effects of the trapping potential of the ion on ion-neutral interactions remain largely…Ruiren Shi, Michael Drewsen, Jesús Pérez-Ríos·Mar 31, 2025SaveLearn
Microwave Phase Mapping and Angle-of-Arrival Detection Using Rydberg Atom-Based ElectrometryWe present a method for simultaneously measuring the phase fronts of three or more RF fields using thermal Rydberg atoms. We demonstrate this method using an all-dielectric atomic electrometer acting…Alexander Gill, Aaron Buikema, Stephen Sirisky et al.·Mar 28, 2025SaveLearn
The role of spatiotemporal couplings in harmonic vortex generationWe explore the impact of spatiotemporal couplings (STCs) on high-order harmonic generation (HHG) driven by spatiotemporal vortex beams. Our investigation demonstrates how STCs shape key properties of…C. Granados, Bikash K. Das, M. Ciappina et al.·Mar 28, 2025SaveLearn
Crossover between the zeptosecond and attosecond physicsNuclear orbiting resonances have been revealed at the sub-barrier energies as an atomic phenomenon by means of x-ray spectroscopy experiments. This interpretation is supported by several…T. Nandi, Yash Kumar, Adya P. Mishra et al.·Mar 28, 2025SaveLearn
Creating attosecond breathing ions by coherent shake-upShake-up is a fundamental phenomenon in photoionisation of many-electron systems whereby the ionisation of one electron is accompanied by the simultaneous excitation of another. As a single-photon…James Tarrant, Přemysl Kolorenč, Margarita Khokhlova et al.·Mar 27, 2025SaveLearn
Global isotopic analysis of hyperfine-resolved rotational spectroscopic data for barium monofluoride, BaFNew high-precision microwave spectroscopic measurements and analysis of rotational energy level transitions in the ground vibronic state of the open-shell BaF molecule are reported with the purpose…Alex Preston, Graceson Aufderheide, Will Ballard et al.·Mar 27, 2025SaveLearn
DiPolMol-Py: A Python package for calculations for 2 ground-state moleculesWe present the python package DiPolMol-Py, which can be used to calculate the rotational and hyperfine structure of 2 molecules. The calculations can be performed in the presence of dc…Bethan Humphreys, Alex J. Matthies, Hannah J. Williams·Mar 27, 2025SaveLearn
New beyond-Voigt line-shape profile recommended for the HITRAN databaseParameters associated with the collisional perturbation of spectral lines are essential for modeling the absorption of electromagnetic radiation in gas media. The HITRAN molecular spectroscopic…P. Wcisło, N. Stolarczyk, M. Słowiński et al.·Mar 27, 2025SaveLearn
The Lande g factors for the 6S1/2 , 5D3/2,5/2 states of Ba+ ionsThe Lande g factors of Ba+ are very important in high-precision measurement physics. The wave functions, energy levels, and Lande g factors for the 6s 2S1/2 and…Bing-Bing Li, Jun Jiang, Lei Wu et al.·Mar 27, 2025SaveLearn
Host-dependent frequency offsets in 229Th nuclear clockworkRecent advances in laser excitation of the low-energy nuclear isomer transition in 229Th have opened avenues for developing nuclear clocks, a novel quantum technology with exceptional…U. C. Perera, H. W. T. Morgan, Eric R. Hudson et al.·Mar 26, 2025SaveLearn
Microwave spectroscopy of ultracold-sodium least-bound molecular statesWe have performed microwave spectroscopy of sodium least-bound molecular states, improving the precision of the knowledge of their energies at zero magnetic field by almost three orders of magnitude.…Manon Ballu, Zhibin Yao, Bastien Mirmand et al.·Mar 26, 2025SaveLearn
Atomic determination of the nuclear quadrupole moment Q(209 Bi) using the multi-configuration Dirac-Hartree-Fock methodThe multiconfiguration Dirac-Hartree-Fock method implemented in the Grasp2018 package was employed to calculate the magnetic dipole hyperfine interaction constants and electric field gradients of…Jiguang Li, Jacek Bieroń, Michel Godefroid et al.·Mar 25, 2025SaveLearn
Positronium formation and threshold behavior in positron-sodium collisions at low energiesWe investigate the elastic and inelastic scattering of positrons by sodium atoms in both the ground state, Na(3s), and excited states, Na*(3p, 4s, 3d), using the hyperspherical coordinate…Ning-Ning Gao, Hui-Li Han, Ting-Yun Shi·Mar 25, 2025SaveLearn
Interaction of a Poincar\'e beam with optically polarized atoms in the presence of constant magnetic fieldRecent studies have highlighted the frequent applications of structured light modes in optically pumped atomic magnetometers. In this work, we theoretically explore how a Poincar\'e beam probes an…S. Ramakrishna, S. Fritzsche·Mar 24, 2025SaveLearn