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Related papers: Conceptual Design Report A Compact Photon Source

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This document describes the technical design concept of a compact high intensity, multi-GeV photon source. Capable of producing 10^12 equivalent photons per second this novel device will provide unprecedented access to physics processes…

Instrumentation and Detectors · Physics 2020-03-18 D. Day , P. Degtiarenko , S. Dobbs , R. Ent , D. J. Hamilton , T. Horn , D. Keller , C. Keppel , G. Niculescu , P. Reid , I. Strakovsky , B. Wojtsekhowski , J. Zhang

We report here the results of a one week long investigation into the conceptual design of an X-ray source based on a compact ring with on-orbit and on-energy laser-plasma accelerator. We performed these studies during the June 2016 USPAS…

Hall D at Jefferson lab is an ideal place to install a polarized deuteron target which can be ''tensor polarized", allowing the separation of the spin states $m=0,\pm1$ or the measurement of tensor asymmetries. The bremsstrahlung photon…

Nuclear Experiment · Physics 2025-05-01 Mark M. Dalton , Alexandre Deur , Chris Keith

A novel concept for producing polarized positrons at Jefferson Lab using the CEBAF polarized electron photo-injector is presented. This approach relies on the polarization transfer from low energy highly polarized electrons to positrons via…

Accelerator Physics · Physics 2010-04-23 J. Dumas , J. Grames , E. Voutier

A compact polarized positron source for Jefferson Lab is discussed. This scheme relies upon a high polarization (85%), high current (1 mA), low-energy (<100 MeV) electron beam to generate polarized positrons in a conversion target via…

Accelerator Physics · Physics 2009-10-16 J. Dumas , J. Grames , E. Voutier

A source for polarized positron beams at the Continuous Electron Beam Accelerator Facility (CEBAF) at Jefferson Lab is being designed. The Polarized Electrons for Polarized Positrons (PEPPo) concept is used to produce polarized…

Accelerator Physics · Physics 2023-09-26 A. Ushakov , S. Covrig , J. Grames , S. Habet , C. Le Galliard , E. Voutier

We propose a scheme for the generation of counterpropagating polarization-entangled photon pairs from a dual-periodically poled crystal. Compared with the usual forward-wave type source, this source, in the backward-wave way, has a much…

Quantum Physics · Physics 2011-12-21 Yan-Xiao Gong , Zhen-Da Xie , Ping Xu , Xiao-Qiang Yu , Peng Xue , Shi-Ning Zhu

The ultrafast and ultracold electron source, based on near-threshold photoionisation of a laser-cooled and trapped atomic gas, offers a unique combination of low transverse beam emittance and high bunch charge. Its use is however still…

Accelerator Physics · Physics 2019-02-12 J. G. H. Franssen , T. C. H. de Raadt , M. A. W. van Ninhuijs , O. J. Luiten

In this work we present a novel, compact, power efficient magnetic field source design for magnetic field imaging microscopy. The device is based on a pair of diametrically magnetized permanent magnet cylinders with electro-mechanical…

Applied Physics · Physics 2023-05-23 Andris Berzins , Hugo Grube , Reinis Lazda , Marc A. Hannig , Janis Smits , Ilja Fescenko

We put forward a new highly efficient source of paired photons entangled in polarization with an ultra-large bandwidth. The photons are generated by means of a conveniently designed spontaneous parametric down-conversion process in a…

Quantum Physics · Physics 2015-06-05 Jiří Svozilík , Martin Hendrych , Juan P. Torres

The Advanced Photon Source is in the process of up-grading its storage ring from a double-bend to a multi-bend lattice as part of the APS Upgrade Project (APS-U). A swap-out injection scheme is planned for the APS-U to keep a constant beam…

Accelerator Physics · Physics 2018-03-14 M. Abliz , M. Jaski , A. Xiao , A. Jain , U. Wienands , H. Cease , M. Borland , G. Decker , J. Kerby

A wide range of nucleon and nuclear structure experiments in Jefferson Lab's Hall A require precise, continuous measurements of the polarization of the electron beam. In our Compton polarimeter, electrons are scattered off photons in a…

Instrumentation and Detectors · Physics 2011-09-29 D. Parno , M. Friend , F. Benmokhtar , G. Franklin , R. Michaels , S. Nanda , B. Quinn , P. Souder

We reported a compact squeezed light source consisting of an diode laser near resonant on 87Rb optical D1 transition and an warm Rubidium vapor cell. The -4dB vacuum squeezing at 795 nm via nonlinear magneto-optical rotation was observed…

Quantum Physics · Physics 2015-12-29 Guzhi Bao , Xiaotian Feng , Bing Chen , Jinxian Guo , Heng Shen , Liqing Chen , Weiping Zhang

An intense positron sources is a demanding element in the design of future lepton colliders. A crystal-based hybrid positron source could be an alternative to a more conventional scheme based on the electron conversion into positron in a…

We present a laboratory electromagnet capable of generating magnetic fields up to $\pm$0.48T, specifically designed as a perpendicular flux source for thin film samples in an ambient environment. The magnet features a 250mm diameter clear…

Instrumentation and Detectors · Physics 2021-01-07 A. P. Petrović , B. H. M. Smit , K. L. Fong , B. Satywali , X. Y. Tee , C. Panagopoulos

Narrow-band THz coherent Cherenkov radiation can be driven by a subpicosecond electron bunch traveling along the axis of a hollow cylindrical dielectric-lined waveguide. We present a scheme of compact THz radiation source based on the…

Accelerator Physics · Physics 2013-05-30 Li Wei-Wei , He Zhi-Gang , Jia Qi-Ka

Polarized electron beams are now in routine use in particle accelerators for nuclear and high energy physics experiments. These beams are presently produced by dc-biased photoelectron sources combined with rf chopping and bunching systems…

Accelerator Physics · Physics 2007-05-23 J. E. Clendenin , R. E. Kirby , D. Yu , D. Newsham

The key challenge to scalable optical quantum computing, boson sampling, and quantum metrology is sources of single photons with near-unity system efficiency and simultaneously near-perfect indistinguishability in all degrees of freedom…

We propose to use a point contact between a ferromagnetic and a normal metal in the presence of a magnetic field for creating a large inverted spin-population of hot electrons in the contact core. The key point of the proposal is that when…

We investigate the nonlinear Compton photon source for upcoming laser-particle experiments in the collision scenario of high-energy electron beams and relativistic laser pulses. The stronger laser field could not only improve the scattering…

High Energy Physics - Phenomenology · Physics 2025-05-23 Yu Xin , Zu-dong Zhao , Suo Tang
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