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Related papers: The SLAC Polarized Electron Source

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In order to achieve the physics goals of future Linear Colliders, it is important that electron and positron beams are polarized. The baseline design at the International Linear Collider (ILC) foresees an e+ source based on helical…

Accelerator Physics · Physics 2012-02-06 V. Kovalenko , O. S. Adeyemi , A. Hartin , G. Moortgat-Pick , L. Malysheva , S. Riemann , F. Staufenbiel , A. Ushakov

In recent years, the concept of high-gradient, symmetric focusing using active plasma lenses has regained notable attention owing to its potential benefits in terms of compactness and beam dynamics when juxtaposed with traditional focusing…

Accelerator Physics · Physics 2023-10-11 Manuel Formela , Niclas Hamann , Gudrid Moortgat-Pick , Gregor Loisch , Kai Ludwig , Jens Osterhoff

High-Luminosity running at the LHC, which is planned for 2022 and beyond, will imply an order of magnitude increase in radiation levels and particle fluences with respect to the present LHC running conditions. The performance evolution of…

Instrumentation and Detectors · Physics 2014-09-11 Andrea Massironi

The recent detection of coherent elastic neutrino-nucleus scattering (CE$\nu$NS) opens the possibility to use neutrinos to explore physics beyond standard model, with small-size detectors. However, the CE$\nu$NS process generates signals at…

High Energy Physics - Experiment · Physics 2024-01-10 A. Simón

Over the last decades, significant advances in high-power laser systems have enabled rapid progress in the development of laser-driven plasma accelerators. Today, the results obtained in beam stability and reproducibility present laser…

Accelerator Physics · Physics 2022-05-06 B. Farace , R. J. Shalloo , K. Põder , W. P. Leemans

Time resolved spin-polarized electron photoemission spectra are investigated as a function of excitation pulse energy for the heterostructures with a single strained layer and with a strained-well superlattice. At an average current…

Materials Science · Physics 2007-05-23 K. Aulenbacher , A. V. Subashiev , V. Tioukine , D. Bender , Yu. P. Yashin

The S-band linear accelerator, which was built to be the source of particles and the front end of the Advanced Photon Source injector, is now also being used to support a low-energy undulator test line (LEUTL) and to drive a free-electron…

Accelerator Physics · Physics 2007-05-23 T. L. Smith , M. H. Cho , A. E. Grelick , G. Pile , A. Nassiri , N. Arnold

In 1996, after another set of upgrades, LEP began running for the first time at center-of-mass energies above the W-pair production threshold. This new energy regime is rich in physics and offers new tests of the Standard Model, increased…

High Energy Physics - Experiment · Physics 2011-04-20 D. Glenzinski

The period 1989-2000 provided a huge yield of precise electroweak data from the LEP and SLC experiments. Many analyses of these data are now complete, but others, particularly of the full LEP-2 data samples, continue. The main electroweak…

High Energy Physics - Experiment · Physics 2014-11-17 D. G. Charlton

SPARC_LAB is a high-brightness electron photoinjector dedicated to FEL radiation production and research on novel acceleration techniques. It has been in operation at LNF since 2005. It is composed of a newly designed brazeless 1.6-cell…

High-energy spin-polarized electron, positron, and $\gamma$-photon beams have many significant applications in the study of material properties, nuclear structure, particle physics, and high-energy astrophysics. Thus,efficient production of…

Plasma Physics · Physics 2022-05-09 Ting Sun , Qian Zhao , Kun Xue , Zhi-Wei Lu , Liang-Liang Ji , Feng Wan , Yu Wang , Yousef I. Salamin , Jian-Xing Li

Future electron-positron linear colliders require a highly polarized electron beam with a pulse structure that depends primarily on whether the acceleration utilizes warm or superconducting rf structures. The International Linear Collider…

The European Spallation Source (ESS), presently well on its way to completion, will soon provide the most intense neutron beams for multi-disciplinary science. Fortuitously, it will also generate the largest pulsed neutrino flux suitable…

The use of existing linacs, and in particular light source injectors, for free-electron laser (FEL) experiments is becoming more common due to the desire to test FELs at ever shorter wavelengths. The high-brightness, high-current beams…

Accelerator Physics · Physics 2008-11-26 G. Travish , S. Biedron , M. Borland , M. Hahne , K. Harkay , J. W. Lewellen , A. Lumpkin , S. Milton , N. Sereno

There is a growing interest in producing intense, coherent x-ray radiation with an adjustable and arbitrary polarization state. In this paper, we study the crossed undulator scheme (K.-J. Kim, Nucl. Instrum. Methods A {\bf 445}, 329 (2000))…

Accelerator Physics · Physics 2008-11-26 Yuantao Ding , Zhirong Huang

We present polarization measurements in the $2-8 \thinspace \mathrm{keV}$ band from blazar 1ES 0229+200, the first extreme high synchrotron peaked source to be observed by the Imaging X-ray Polarimetry Explorer (IXPE). Combining two…

High Energy Astrophysical Phenomena · Physics 2023-10-04 Steven R. Ehlert , Ioannis Liodakis , Riccardo Middei , Alan P. Marscher , Fabrizio Tavecchio , Iván Agudo , Pouya M. Kouch , Elina Lindfors , Kari Nilsson , Ioannis Myserlis , Mark Gurwell , Ramprasad Rao , Francisco Jose Aceituno , Giacomo Bonnoli , Victor Casanova , Beatriz Agiz-Gonzalez , Juan Escudero , Jorge Otero Santos , Alfredo Sota , Emmanouil Angelakis , Alexander Kraus , Garrett K. Keating , Lucio A. Antonelli , Matteo Bachetti , Luca Baldini , Wayne H. Baumgartner , Ronaldo Bellazzini , Stefano Bianchi , Stephen D. Bongiorno , Raffaella Bonino , Alessandro Brez , Niccolò Bucciantini , Fiamma Capitanio , Simone Castellano , Elisabetta Cavazzuti , Chien-Ting Chen , Stefano Ciprini , Enrico Costa , Alessandra De Rosa , Ettore Del Monte , Laura Di Gesu , Niccolò Di Lalla , Alessandro Di Marco , Immacolata Donnarumma , Victor Doroshenko , Michal Dovčiak , Teruaki Enoto , Yuri Evangelista , Sergio Fabiani , Riccardo Ferrazzoli , Javier A. Garcia , Shuichi Gunji , Kiyoshi Hayashida , Jeremy Heyl , Wataru Iwakiri , Svetlana G. Jorstad , Philip Kaaret , Vladimir Karas , Fabian Kislat , Takao Kitaguchi , Jeffery J. Kolodziejczak , Henric Krawczynski , Fabio La Monaca , Luca Latronico , Simone Maldera , Alberto Manfreda , Frédéric Marin , Andrea Marinucci , Herman L. Marshall , Francesco Massaro , Giorgio Matt , Ikuyuki Mitsuishi , Tsunefumi Mizuno , Fabio Muleri , Michela Negro , C. -Y. Ng , Stephen L. O'Dell , Nicola Omodei , Chiara Oppedisano , Alessandro Papitto , George G. Pavlov , Abel L. Peirson , Matteo Perri , Melissa Pesce-Rollins , Pierre-Olivier Petrucci , Maura Pilia , Andrea Possenti , Juri Poutanen , Simonetta Puccetti , Brian D. Ramsey , John Rankin , Ajay Ratheesh , Oliver J. Roberts , Roger W. Romani , Carmelo Sgro , Patrick Slane , Paolo Soffitta , Gloria Spandre , Douglas A. Swartz , Toru Tamagawa , Roberto Taverna , Yuzuru Tawara , Allyn F. Tennant , Nicholas E. Thomas , Francesco Tombesi , Alessio Trois , Sergey S. Tsygankov , Roberto Turolla , Jacco Vink , Martin C. Weisskopf , Kinwah Wu , Fei Xie , Silvia Zane

After measuring in 2012 a relatively large value of the neutrino mixing angle $\theta_{13}$, the door is now open to observe for the first time a possible CP violation in the leptonic sector. The measured value of $\theta_{13}$ also…

High Energy Physics - Experiment · Physics 2018-10-17 Marcos Dracos

The use of an intense ultrashort laser pulse to induce electron polarization has been proposed in existing literature. The Python programming language is used to recreate the local constant crossed-field approximation (LCFA) with the aim of…

Accelerator Physics · Physics 2024-08-20 Katherine D. Ranjbar , Emily Snyder , Alice Snyder , Vahid H. Ranjbar

Both leptonic and hadronic emission processes may contribute to blazar jet emission; which dominates in blazars's high energy emission component remains an open question. Some intermediate synchrotron peaked blazars transition from their…

High Energy Astrophysical Phenomena · Physics 2022-06-01 Abel L. Peirson , Ioannis Liodakis , Roger W. Romani

The proposed International Linear Collider (ILC) is well-suited for discovering physics beyond the Standard Model and for precisely unravelling the structure of the underlying physics. The physics return of the ILC can be maximized by the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Gudrid Moortgat-Pick