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Related papers: Hall A Annual Report 2014

200 papers

These proceedings are of interest to staff and students in accelerator laboratories, university departments and companies working in or having an interest in the field of new acceleration techniques. Following introductory lectures on…

Accelerator Physics · Physics 2017-08-04 Bernhard Holzer

A nonstationary anomalous Hall current is calculated for a voltage biased Josephson junction, which is composed of two s-wave superconducting contacts deposited on the top of a three dimensional topological insulator (TI). A homogeneous…

Superconductivity · Physics 2019-07-24 A. G. Mal'shukov

This paper describes the construction and operational status of an accelerator test facility for Project X. The purpose of this facility is for Project X component development activities that benefit from beam tests and any development…

Accelerator Physics · Physics 2012-08-17 J. Steimel , R. Webber , R. Madrak , D. Wildman , R. Pasquinelli , E. Evans-Peoples

This Report summarizes the proceedings of the 2013 Les Houches workshop on Physics at TeV Colliders. Session 1 dealt primarily with (1) the techniques for calculating standard model multi-leg NLO and NNLO QCD and NLO EW cross sections and…

I review recently conducted measurements of $\gen$ as well as precision form factor experiments at high momentum transfer that will be performed with the 11 GeV electron beam at Jefferson Lab.

Nuclear Experiment · Physics 2014-11-21 Andrei Semenov

Recent years have seen spectacular progress in the development of innovative acceleration methods that are not based on traditional RF accelerating structures. These novel developments are at the interface of laser, plasma and accelerator…

Accelerator Physics · Physics 2021-03-22 M. Ferrario , R. Assmann

We have developed a set of laboratories and hands on activities to accompany a new two-semester interdisciplinary physics course that has been successfully developed and tested in two small test classes of students at the University of…

Physics Education · Physics 2015-06-16 K. Moore , J. Giannini , W. Losert

The physics of electromagnetic excitation of nucleon resonances and of their relevance in nucleon structure studies are discussed. Preliminary data from the CLAS detector on the N-Delta(1232) transition multipoles, the helicity amplitudes…

High Energy Physics - Phenomenology · Physics 2019-08-14 Volker D. Burkert

The lecture provides an overview of considerations relevant for achieving highly reliable operation of accelerator based user facilities. The article starts with an overview of statistical reliability formalism which is followed by high…

Accelerator Physics · Physics 2016-08-10 F. J. Willeke

We have studied the tachyonic excitations in the junction of two topological insulators in the presence of an external magnetic field. The Landau levels, evaluated from an effective two-dimensional model for tachyons, and from the junction…

Mesoscale and Nanoscale Physics · Physics 2015-06-04 Vadim M. Apalkov , Tapash Chakraborty

The upgraded Facility for Advanced Accelerator Experimental Tests (FACET-II) at SLAC National Accelerator Laboratory has been designed to deliver ultra-relativistic electron and positron beams with unprecedented parameters, especially in…

Over the past several years, new machine learning accelerators were being announced and released every month for a variety of applications from speech recognition, video object detection, assisted driving, and many data center applications.…

Hardware Architecture · Computer Science 2021-12-13 Albert Reuther , Peter Michaleas , Michael Jones , Vijay Gadepally , Siddharth Samsi , Jeremy Kepner

We discuss main issues and R&D Required for the Intensity Frontier Accelerators and therefore provide input for the 2013 APS/DPF Community Summer Study (Snowmass-2013).

Accelerator Physics · Physics 2013-05-30 V. Shiltsev , S. Henderson , P. Hurh , I. Kourbanis , V. Lebedev

Hall effect and magnetoresistance have been measured on single crystals of the parent phase NaFeAs under a uniaxial pressure. Although significant difference of the in-plane resistivity $\rho_{xx}(I\parallel a)$ and $\rho_{xx}(I\parallel…

Superconductivity · Physics 2015-09-21 Qiang Deng , Jie Xing , Jianzhong Liu , Huan Yang , Hai-Hu Wen

A new tagged photon beam facility is being constructed in experimental Hall-D at Jefferson Lab as a part of the 12 GeV upgrade program. The 9 GeV linearly-polarized photon beam will be produced via coherent Bremsstrahlung using the CEBAF…

Nuclear Experiment · Physics 2014-07-09 Justin R. Stevens

The field of plasma-based particle accelerators has seen tremendous progress over the past decade and experienced significant growth in the number of activities. During this process, the involved scientific community has expanded from…

Accelerator Physics · Physics 2017-06-01 J. Osterhoff , Z. Najmudin , J. Faure

Due to decelerating gains in single-core CPU performance, computationally expensive simulations are increasingly executed on highly parallel hardware platforms. Agent-based simulations, where simulated entities act with a certain degree of…

Multiagent Systems · Computer Science 2018-07-04 Jiajian Xiao , Philipp Andelfinger , David Eckhoff , Wentong Cai , Alois Knoll

In this report, we present the energy calibration of the Hall B bremsstrahlung tagging system at the Thomas Jefferson National Accelerator Facility. The calibration was performed using a magnetic pair spectrometer. The tagged photon energy…

Instrumentation and Detectors · Physics 2009-11-13 S. Stepanyan , S. Boyarinov , H. Egiyan , L. Guo , D. Dale , M. Gabrielyan , L. Gan , A. Gasparian , A. Glamazdin , B. Mecking , I. Nakagawa , A. Teymurazyan , M. H. Wood