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We have used a commercial RF ion-source to extract a beam of metastable neon atoms. The source was easily incorporated into our existing system and was operative within a day of installation. The metastable velocity distribution, flux,…

Atomic Physics · Physics 2015-06-23 B. Ohayon , E. Wåhlin , G. Ron

The design of a neutron source capable of producing 24 and 70 keV neutron beams with narrow energy spread is presented. The source exploits near-threshold kinematics of the $^{7}$Li(p,n)$^{7}$Be reaction while taking advantage of the…

Instrumentation and Detectors · Physics 2014-05-22 T. H. Joshi , S. Sangiorgio , V. Mozin , E. B. Norman , P. Sorensen , M. Foxe , G. Bench , A. Bernstein

The Spin Asymmetries of the Nucleon Experiment (SANE) performed inclusive, double-polarized electron scattering measurements of the proton at the Continuous Electron Beam Accelerator Facility at Jefferson Lab. A novel detector array…

We present low energy recoil detection results in the keV energy region, from measurements performed with the Spherical Proportional Counter (SPC). An ${}^{241}Am-{}^{9}{Be}$ fast neutron source is used in order to obtain neutron-nucleus…

Instrumentation and Detectors · Physics 2017-09-20 I. Savvidis , I. Katsioulas , C. Eleftheriadis , I. Giomataris , T. Papaevangellou

Achieving high-quality electron beams from laser-plasma accelerators critically relies on density tailoring to control electron dynamics during injection, acceleration, and extraction. We report on the experimental observation of electron…

The design and performance of the new Cold Neutron Chopper Spectrometer (CNCS) at the Spallation Neutron Source in Oak Ridge are described. CNCS is a direct geometry inelastic time-of-flight spectrometer, designed to cover essentially the…

Instrumentation and Detectors · Physics 2015-05-30 G. Ehlers , A. Podlesnyak , J. L. Niedziela , E. B. Iverson

We present a detailed study of the six-dimensional phase space of the electron beam produced by the Cornell Energy Recovery Linac Photoinjector, a high-brightness, high repetition rate (1.3 GHz) DC photoemission source designed to drive a…

Constancy and anisotropy of vacuum refractive index serves as a strong way to probe the predictions of theories beyond the standard model (BSM), especially those that predict breaking of local Lorentz and CPT symmetries. For photons of…

Nuclear Experiment · Physics 2018-07-05 Prajwal Mohanmurthy , Dipangkar Dutta

This note summarizes the results of the "Workshop on Polarisation and Beam Energy Measurements at the ILC", held at DESY (Zeuthen) April 9-11 2008. The topics for the workshop included (i) physics requirements, (ii) polarised sources and…

Accelerator Physics · Physics 2008-08-13 D. Käfer , J. List , K. Mönig , K. C. Moffeit , G. Moortgat-Pick , S. Riemann , P. Schüler , E. Torrence , M. Woods

Control over the properties of nanoparticles obtained by laser ablation in liquids is experimentally demonstrated via modulation of the beam intensity profile on the target. Mask projection scheme was used with either a copper laser…

Mesoscale and Nanoscale Physics · Physics 2009-07-08 P. G. Kuzmin , G. A. Shafeev

The SPIDER experiment, part of the Neutral Beam Test Facility (NBTF) at Consorzio RFX (Padua, Italy), is the prototype of the negative ion source for the ITER neutral beam injectors; the source is coupled to a 100 kV three-grid acceleration…

Plasma Physics · Physics 2023-04-07 M. Barbisan , B. Zaniol , R. Pasqualotto , G. Serianni , M. Ugoletti

In this paper, we present a theoretical simulation of 87Rb absorption spectrum in a thermal cm-cell which is adaptive to the experimental observation. In experiment, the coupling and probe beams are configured to copropagate but…

Atomic Physics · Physics 2017-03-09 Hong Cheng , Shan-Shan Zhang , Pei-Pei Xin , Yuan Cheng , Hong-Ping Liu

The advance in laser plasma acceleration techniques pushes the regime of the resulting accelerated particles to higher energies and intensities. In particular the upcoming experiments with the FLAME laser at LNF will enter the GeV regime…

The white neutron beamline at the China Spallation Neutron Source will be used mainly for nuclear data measurements. It will be characterized by high flux and broad energy spectra. To exploit the beamline as a neutron imaging source, we…

Instrumentation and Detectors · Physics 2018-05-22 Zhixin Tan , Jingyu Tang , Hantao Jing , Ruirui Fan , Qiang Li , Changjun Ning , Jie Bao , Xichao Ruan , Guangyuan Luan , Changqin Feng , Xianpeng Zhang

A strong excess in a form of a wide peak in the energy range of 300-800 GeV was discovered in the first measurements of the electron spectrum in the energy range from 20 GeV to 3 TeV by the balloon-borne experiment ATIC (J. Chang et al.…

The energy distributions of secondary electrons produced by energetic carbon ions (in the energy range used, e.g., in hadron therapy), incident on liquid water, are discussed. For low-energy ions, a new parameterization of the…

Biological Physics · Physics 2015-05-14 Emanuele Scifoni , Eugene Surdutovich , Andrey V. Solov'yov

An instrument has been developed for precision controlled exposures of electronic devices and material samples in particle beams. The instrument provides simultaneously a real time record of the profile of the beam and the fluence received.…

Instrumentation and Detectors · Physics 2020-12-03 M. R. Hoeferkamp , J. S. T. Wickramasinghe , A. Grummer , I. Rajen , S. Seidel

A method is proposed for the experimental measurement of neutron separation energies for nuclei far from stability. The procedure is based on determining cross sections for the production of nuclei, by projectile fragmentation, for which…

Nuclear Experiment · Physics 2009-11-10 W. A. Friedman , M. B. Tsang

I consider a high-Q beta beam peaking at multi-GeV energy for the baseline CERN-Pyh\"asalmi, with the length of 2288 km, using LENA, a 50 kton liquid scintillator as the far detector. The beta beam is assumed to be accompanied by a…

High Energy Physics - Phenomenology · Physics 2009-11-30 Juha Peltoniemi

Hadrontherapy is an emerging technique in cancer therapy that uses beams of charged particles. To meet the improved capability of hadrontherapy in matching the dose release with the cancer position, new dose monitoring techniques need to be…