English
Related papers

Related papers: Unusual behavior in the first excited state lifeti…

200 papers

The electric quadrupole transition from the first 2+ state to the ground 0+ state in 18C was studied through lifetime measurement by an upgraded recoil shadow method applied to inelastically scattered radioactive 18C nuclei. The measured…

A search for excited state transitions of double beta decay in Pd110 and double electron capture in Pd102 has been performed in the HADES underground laboratory with two low background HPGe detectors in sandwich configuration. After an…

Nuclear Experiment · Physics 2015-06-12 Bjoern Lehnert , Kai Zuber , Erica Andreotti , Mikael Hult

Using the inherent timing stability of pulses from a mode-locked laser, we have precisely measured the cesium $6P_{3/2}$ excited state lifetime. An initial pump pulse excites cesium atoms in two counter-propagating atomic beams to the…

The quantum "Zeno" time of the 2P-1S transition of the hydrogen atom is computed and found to be approximately 3.59 10^{-15}s (the lifetime is approximately 1.595 10^{-9}s). The temporal behavior of this system is analyzed in a purely…

Quantum Physics · Physics 2009-10-31 P. Facchi , S. Pascazio

We report on spectroscopy of cold dysprosium atoms on the $1001\,\mathrm{nm}$ transition and present measurements of the excited state lifetime which is at least $87.2(6.7)\,\mathrm{ms}$ long. Due to the long excited state lifetime we are…

Atomic Physics · Physics 2020-04-08 Niels Petersen , Marcel Trümper , Patrick Windpassinger

We report on the realization of a multi-orbital system with ultracold atoms in the excited bands of a 3D optical lattice by selectively controlling the band population along a given lattice direction. The lifetime of the atoms in the…

Other Condensed Matter · Physics 2008-04-23 Torben Mueller , Simon Foelling , Artur Widera , Immanuel Bloch

Recently the lifetime of the excited $^{2}P_{1/2}$-state of S$^-$ was measured to be $503\pm 54$ s (B\"ackstr\"om et al. Phys. Rev. Lett. 114, 143003 (2015)). The earlier theoretical lifetime of $436$ s was clearly outside the experimental…

Atomic Physics · Physics 2017-01-04 Tomas Brage , Jon Grumer

Using a combined theoretical and experimental approach, we investigate the non-adiabatic dynamics of the prototypical ethylene (C2H4) molecule upon {\pi} \to {\pi}* excitation. In this first part of a two part series, we focus on the…

In this article a method for lifetime measurements in the sub-picosecond regime via the Doppler-shift attenuation method (DSAM) following the inelastic proton scattering reaction is presented. In a pioneering experiment we extracted the…

Nuclear Experiment · Physics 2015-06-22 A. Hennig , V. Derya , M. N. Mineva , P. Petkov , S. G. Pickstone , M. Spieker , A. Zilges

The determination of the mean lifetime of excited states has been undertaken by coulomb excitation that is a process of inelastic scattering in which the incident particle is charged and provokes an excitation of the target nucleus by mean…

Nuclear Experiment · Physics 2007-05-23 A. Belafrites , A. Boucenna , C. Benazzouz , M. A. Benammar

Current situation in studies of lifetimes of excited rovibronic levels for the H2, D2, T2, HD, HT, and DT molecules is analyzed. All measured values of the lifetimes (792 data for 618 different vibro-rotational levels of 33 electronic…

Chemical Physics · Physics 2014-12-11 S. A. Astashkevich , B. P. Lavrov

Electric quadrupole (E2) and magnetic dipole (M1) transition amplitudes among the low-lying states of quadruply ionized vanadium V$^{4+}$, important in various field of experimental and astrophysics are presented very accurately. Most of…

Atomic Physics · Physics 2009-11-13 Gopal Dixit , B. K. Sahoo , P. C. Deshmukh , R. K. Chaudhuri , Sonjoy Majumder

A search for double beta decays of the palladium isotopes 110Pd and 102Pd into excited states of their daughters was performed and first half-life limits for the 2{\nu}{\beta}{\beta} and 0{\nu}{\beta}{\beta} decays into first excited 0+ and…

Nuclear Experiment · Physics 2015-03-19 Bjoern Lehnert , Kai Zuber

Lifetimes of the positive-parity yrast band in 189Pt were measured using the recoil distance Doppler-shift method. A HPGe detector array consisting of 13 detectors was used in conjunction with the plunger device in CIAE. Excited states of…

Properties of excited states in $^{147}$Nd have been studied with multispectra and $\gamma \gamma$ coincidence measurements. Twenty-four new $\gamma$-lines and three new levels have been introduced into the level scheme of $^{147}$Nd.…

Nuclear Theory · Physics 2015-10-28 E. Ruchowska , H. Mach , M. Kowal , J. Skalski , W. A. Plociennik , B. Fogelberg

Since their first experimental observation, ultralong-range Rydberg molecules consisting of a highly excited Rydberg atom and a ground state atom have attracted the interest in the field of ultracold chemistry. Especially the intriguing…

We report precision measurements of the excited state lifetime of the $5p$ $^2P_{1/2}$ and $5p$ $^2P_{3/2}$ levels of a single trapped Cd$^+$ ion. The ion is excited with picosecond laser pulses from a mode-locked laser and the distribution…

Lifetimes for the ${4}_1^+$ and ${6}_1^+$ states have been directly measured using $\gamma-\gamma$ fast timing technique for low lying states of $^{130}Xe$, populated from $\beta ^-$ decay of the parent $^{130}I$ produced through…

Nuclear Experiment · Physics 2026-02-27 D. Kumar , S. Basak , A. Pal , D. Banerjee , S. S. Alam , S. Rajbanshi , T. Bhattacharjee

Current situation in studies of mean lifetimes of excited electronic-vibro-rotational states of hydrogen molecule (including the H2, D2, HD and T2 isotopomers) is reviewed in brief. All measured values of the lifetimes (published before…

Optics · Physics 2009-10-11 S. A. Astashkevich , B. P. Lavrov
‹ Prev 1 2 3 10 Next ›