English
Related papers

Related papers: A cryogenic buffer gas beam source with in-situ ab…

200 papers

A novel type of particle "cooling", called Ionization Cooling, is applicable to slow (v of the order of 0.1c) ions stored in a small ring. The many traversals through a thin foil enhance the nuclear reaction probability, in a steady…

High Energy Physics - Phenomenology · Physics 2011-05-18 C. Rubbia , A. Ferrari , Y. Kadi , V. Vlachoudis

High quality electron beams, with high spatial and tempo- ral resolution, have an important use in electron diffraction experiments to probe and study the constituents of matter. A cold electron source is being developed based on elec- tron…

Accelerator Physics · Physics 2015-05-12 R Appleby , W. Bertsche , M. Harvey , M. Jones , B. Kyle , O. Mete , A. Murray , G. Xia

We use the technique of chopped nonlinear magneto-optic rotation (NMOR) in a room temperature $^{133}$Cs vapor cell to measure the permanent electric dipole moment (EDM) in the atom. The cell has paraffin coating on the walls to increase…

Atomic Physics · Physics 2016-11-08 Harish Ravi , Mangesh Bhattarai , Abhilash Y D , Ummal Momeen , Vasant Natarajan

A novel room-temperature ion source for the production of atomic ions in electron beam within wide ranges of electron energy and current density is developed. The device can operate both as conventional Electron Beam Ion Source/Trap…

Plasma Physics · Physics 2017-04-05 V. P. Ovsyannikov , A. V. Nefiodov , A. A. Levin

We report on our recent progress in the manipulation and cooling of a magnetically guided, high flux beam of $^{87}{\rm Rb}$ atoms. Typically $7\times 10^9$ atoms per second propagate in a magnetic guide providing a transverse gradient of…

Other Condensed Matter · Physics 2016-08-16 Thierry Lahaye , Z. Wang , G. Reinaudi , S. P. Rath , J. Dalibard , D. Guéry-Odelin

The AlF molecule, currently subject to laser cooling and trapping efforts, has the advantage that it can be efficiently produced in a thermochemical reaction between sublimated aluminum trifluoride and aluminum metal. Here we present a…

The CUORE experiment will search for neutrinoless double beta decay (0nDBD) of 130Te using an array of 988 TeO_2 bolometers operated at 10 mK in the Laboratori Nazionali del Gran Sasso (Italy). The detector is housed in a large cryogen-free…

Nuclear Experiment · Physics 2010-01-15 S. Sangiorgio , L. M. Ejzak , K. M. Heeger , R. H. Maruyama , A. Nucciotti , M. Olcese , T. S. Wise , A. L. Woodcraft

We study the mechanism of instability in transition edge sensor (TES) bolometers used for ground based observations of the Cosmic Microwave Background (CMB) at 270GHz. The instability limits the range of useful operating resistances of the…

Instrumentation and Detectors · Physics 2017-12-18 Rita Sonka , James J. Bock , Krikor G. Megerian , Bryan A. Steinbach , Anthony D. Turner , Cheng Zhang

The g2p/GEp experiments used a solid NH3 polarized target, where the polarization of the target is sensitive to temperature and radiation. The beam current was limited to 5-100 nA during the experiment to avoid too much depolarization of…

Instrumentation and Detectors · Physics 2016-06-28 Pengjia Zhu

A universal experimental challenge when studying radiation effects on cryogenic devices is to precisely and accurately characterize the position-dependent device response very near the energy detection threshold. We have developed a compact…

We have produced a Bose-Einstein condensate (BEC) on an atom chip using only superconducting wires in a cryogenic environment. We observe the onset of condensation for 10^4 atoms at a temperature of 100 nK. This result opens the way for…

Atomic Physics · Physics 2009-11-13 C. Roux , A. Emmert , A. Lupascu , T. Nirrengarten , G. Nogues , M. Brune , J. -M. Raimond , S. Haroche

The CLIC Test Facility (CTF3) is an intermediate step to demonstrate the technical feasibility of the key concepts of the new RF power source for CLIC. CTF3 will use electron beams with an energy range adjustable from 170 MeV (3.5 A) to 380…

Accelerator Physics · Physics 2008-11-26 L. Rinolfi , H. Braun , R. Pittin , F. Zhou , B. Mouton , R. Miller , D. Yeremian

We have used the narrow $2S_{1/2} \rightarrow 3P_{3/2}$ transition in the ultraviolet (uv) to laser cool and magneto-optically trap (MOT) $^6$Li atoms. Laser cooling of lithium is usually performed on the $2S_{1/2} \rightarrow 2P_{3/2}$…

Quantum Gases · Physics 2012-01-19 P. M. Duarte , R. A. Hart , J. M. Hitchcock , T. A. Corcovilos , T. -L. Yang , A. Reed , R. G. Hulet

The best limit on the electron electric dipole moment (eEDM) comes from the ACME II experiment [Nature \textbf{562} (2018), 355-360] which probes physics beyond the Standard Model at energy scales well above 1 TeV. ACME II measured the eEDM…

We present a cold atom gravimeter operating with a sample of Bose-condensed Rubidium-87 atoms. Using a Mach-Zehnder configuration with the two arms separated by a two-photon Bragg transition, we observe interference fringes with a…

We report the all-optical production of Bose Einstein condensates (BEC) of $^{39}$K atoms. We directly load $3 \times 10^{7}$ atoms in a large volume optical dipole trap from gray molasses on the D1 transition. We then apply a small…

Atomic Physics · Physics 2015-06-22 Guillaume Salomon , Lauriane Fouché , Steven Lepoutre , Alain Aspect , Thomas Bourdel

Cold, continuous, high flux beams of benzonitrile, fluorobenzine, and anisole have been created. Buffer-gas cooling with a cryogenic gas provides the cooling and slow forward beam velocities. The beam of benzonitrile was measured to have a…

Chemical Physics · Physics 2014-07-21 David Patterson , John M. Doyle

We report on a scheme for loading dysprosium atoms into a narrow-line three-dimensional magneto-optical trap (3D MOT). Our innovative approach replaces the conventional Zeeman slower with a 2D MOT operating on the broad 421-nm line to…

We use two-dimensional transverse laser cooling to produce an ultracold beam of YbF molecules. Through experiments and numerical simulations, we study how the cooling is influenced by the polarization configuration, laser intensity, laser…

We use a gray molasses operating on the D$_1$ atomic transition to produce degenerate quantum gases of $^{6}$Li with a large number of atoms. This sub-Doppler cooling phase allows us to lower the initial temperature of 10$^9$ atoms from 500…

Quantum Gases · Physics 2015-06-22 A. Burchianti , G. Valtolina , J. A. Seman , E. Pace , M. De Pas , M. Inguscio , M. Zaccanti , G. Roati