English
Related papers

Related papers: Hanle Effect for Lifetime Analysis: Li-like Ions

200 papers

The irradiation with fast ions with kinetic energies of > 10 MeV leads to the deposition of a high amount of energy along their trajectory (up to several ten keV/nm). The energy is mainly transferred to the electronic subsystem and induces…

The acceleration of super-heavy ions (SHIs) from plasmas driven by ultrashort (tens of femtoseconds) laser pulses is a challenging topic waiting for breakthrough. The detecting and controlling of the ionization process, and the adoption of…

We present an exhaustive analysis of the light-induced frequency shifts of the photoassociation lines of ultracold metastable 4He* atoms in a magnetic trap. The measurements of the shifts of several vibrational levels bound in the purely…

Other Condensed Matter · Physics 2016-08-16 Maximilien Portier , Steven Moal , Jaewan Kim , Michèle Leduc , Claude Cohen-Tannoudji , Olivier Dulieu

The lifetime of the isomeric state in fully stripped 94Ru44+ ions has been measured using isochronous mass spectrometry (IMS) at the experimental Cooler Storage Ring (CSRe) of the Heavy Ion Research Facility in Lanzhou (HIRFL). Previously,…

Instrumentation and Detectors · Physics 2025-09-22 Qi Zeng , Bushi Huang , Tingwei Peng , Hongfu Li , Xing XuYuanming Xing , Huaiqiang Zhang , Jiankun Zhao , Xu Zhou

The experiments at the Large Hadron Collider (LHC) are able to discover or set limits on the production of exotic particles with TeV-scale masses possessing values of electric and/or magnetic charge such that they behave as highly ionising…

High Energy Physics - Phenomenology · Physics 2012-05-04 A. De Roeck , A. Katre , P. Mermod , D. Milstead , T. Sloan

Highly charged ions (HCIs) are promising candidates for the next generation of atomic clocks, owing to their tightly bound electron cloud, which significantly suppresses the common environmental disturbances to the quantum oscillator. Here…

Superionic conductors, or solid-state ion-conductors surpassing 0.01 S/cm in conductivity, can enable more energy dense batteries, robust artificial ion pumps, and optimized fuel cells. However, tailoring superionic conductors require…

Instrumentation and Detectors · Physics 2024-07-23 Kim H. Pham , Scott K. Cushing

Using the Chandra HETG spectrum of EX Hya as an example, we discuss some of the plasma diagnostics available in high-resolution X-ray spectra of magnetic cataclysmic variables. Specifically, for conditions appropriate to collisional…

Astrophysics · Physics 2007-05-23 Christopher W. Mauche

On 3rd September 2015, the Chromospheric Lyman-Alpha SpectroPolarimeter (CLASP) successfully measured the linear polarization produced by scattering processes in the hydrogen Lyman-$\alpha$ line of the solar disk radiation, revealing…

The LIBELLE experiment performed at the experimental storage ring (ESR) at the GSI Helmholtz Center for Heavy Ion Research in Darmstadt, Germany, has successfully determined the ground state hyperfine (HFS) splittings in hydrogen-like…

The structure of the excited $2^{3}$S and $2^{3}$P triplet states of $^{3}$He and $^{4}$He in an applied magnetic field B is studied using different approximations of the atomic Hamiltonian. All optical transitions (line positions and…

Atomic Physics · Physics 2009-11-07 E. Courtade , F. Marion , P. -J. Nacher , G. Tastevin , K. Kiersnowski , T. Dohnalik

A theoretical study of the intense-field multiphoton ionization of hydrogenlike systems is performed by solving the time-dependent Dirac equation within the dipole approximation. It is shown that the velocity-gauge results agree to the ones…

Quantum Physics · Physics 2015-05-27 Yulian V. Vanne , Alejandro Saenz

Non-destructive Schottky detectors are indispensable devices widely used in experiments at heavy-ion storage rings. In particular, they can be used to accurately determine the masses and lifetimes of short-lived exotic nuclear species.…

We present He-like line ratios (resonance, intercombination and forbidden lines) for totally and partially photoionized media. For solar plasmas, these line ratios are already widely used for density and temperature diagnostics of coronal…

Astrophysics · Physics 2009-10-31 Delphine Porquet , Jacques Dubau

Deposition of thin films that are resistant to aggressive environment conditions, using the High-power impulse magnetron sputtering (HIPIMS) technique, represents a technological challenge. To establish the optimal operating conditions it…

Plasma Physics · Physics 2019-06-26 Mihai Ganciu , Bogdan Butoi , Andreea Groza , Bogdan Mihalcea

Long-lived particles are contained in a variety of beyond Standard Model theories, including supersymmetric models, universal extra dimensions, or technicolor theories. If the lifetime of such a particle is long enough, the particle can…

High Energy Physics - Experiment · Physics 2016-09-28 Teresa Lenz

Considering the strong inhomogeneous spatial polarization and intensity distribution of spontaneous decay fluorescence due to the Hanle effect, we propose and demonstrate a universe Hanle detection configuration of electron-shelving method…

Atomic Physics · Physics 2014-04-18 Xiaogang Zhang , Shengnan Zhang , Duo Pan , Peipei Chen , Xiaobo Xue , Wei Zhuang , Jingbiao Chen

We examine the effect of laser focusing on the potential of a recently discussed scheme [M.F. Ciappina {\em et al}, Phys. Rev. A 99, 043405 (2019); Las. Phys. Lett. 17, 025301 (2020)] for in situ determination of ultra-high intensities of…

Atomic Physics · Physics 2020-02-27 M. F. Ciappina , E. E. Peganov , S. V. Popruzhenko

We explore mechanisms to produce extremely high Ly-alpha/HeII flux ratios, or to enhance the observed number of Ly-alpha photons per incident ionizing photon, in extended AGN-photoionized nebulae at high-redshift. Using photoionization…

Astrophysics of Galaxies · Physics 2018-12-26 A. Humphrey , M. Villar-Martín , L. Binette , R. Raj

We study the impact of picosecond precision timing detection systems on the LHC experiments' long-lived particle search program during the HL-LHC era. We develop algorithms that allow us to reconstruct the mass of such charged particles and…

High Energy Physics - Experiment · Physics 2019-05-01 O. Cerri , S. Xie , Cristian Peña , Maria Spiropulu