English
Related papers

Related papers: Improvements to the ILC Upstream Polarimeter

200 papers

We address the problem of calibrating a polarimetric backscattering setup that includes a beamsplitter, taking its optical properties into account. Using Fisher information, we justify a specific calibration configuration involving…

Optics · Physics 2025-05-29 V. Stefanov , B. P. Singh , A. Stefanov

The International Large Detector (ILD) is a concept for a detector at the International Linear Collider, ILC. The ILC will collide electrons and positrons at energies of initially 500 GeV, upgradeable to 1 TeV. The ILC has an ambitious…

High Energy Physics - Experiment · Physics 2012-08-27 The ILD Concept Group

Future linear colliders will require high levels of performance from their electron sources. A group at SLAC has recently tested a structure that substantially exceeds current collider polarized electron source pulse-profile requirements.

Accelerator Physics · Physics 2009-12-30 Jym Clendenin , Takashi Maruyama

Polarimetry remains a largely unexploited technique in observational X-ray astronomy which could provide insight in the study of the strong gravity and magnetic fields at the core of the Constellation-X observational program. Adding a…

Astrophysics · Physics 2007-05-23 K. Jahoda , K. Black , P. Deines-Jones , J. E. Hill , T. Kallman , T. Strohmayer , J. H. Swank

We summarize the physics case for the International Linear Collider (ILC). We review the key motivations for the ILC presented in the literature, updating the projected measurement uncertainties for the ILC experiments in accord with the…

We review some recent arguments supporting the upgrade of the International Linear Collider by a polarized positron beam, in addition to the polarized electron beam. The examples presented here mainly focus on the impact of positron…

High Energy Physics - Phenomenology · Physics 2007-05-23 P. Osland , N. Paver

In this report the test beam requirements for the vertex detector and the tracking detector for ILC are discussed. It focuses on the infrastructure needs of the different subsystems. In the second part of this summary the ideas about future…

Instrumentation and Detectors · Physics 2009-01-16 Ingrid-Maria Gregor

Residual calibration errors are difficult to predict in interferometric radio polarimetry because they depend on the employed observational calibration strategy, encompassing the Stokes vector of the calibrator and parallactic angle…

Instrumentation and Methods for Astrophysics · Physics 2017-08-02 C. A. Hales

The ILC Technical Design Report documents the design for the construction of a linear collider which can be operated at energies up to 500 GeV. This report summarizes the outcome of a study of possible running scenarios, including a…

High Energy Physics - Experiment · Physics 2015-06-26 T. Barklow , J. Brau , K. Fujii , J. Gao , J. List , N. Walker , K. Yokoya

In-line polarimeters perform non-destructive polarization measurements of optical signals, and play a critical role in monitoring and controlling the polarization environment in for example optical networks. While current in-line…

Optics · Physics 2015-12-10 J. P. Balthasar Müller , Kristjan Leosson , Federico Capasso

A future e+e- Linear Collider has a large physics potential for the discovery of new physics beyond the Standard Model and precision studies of the Standard Model itself. It is well suited to complement and extend the physics program of the…

High Energy Physics - Phenomenology · Physics 2015-06-25 G. Moortgat--Pick , A. Bartl , K. Hidaka , T. Kernreiter , H. Liivat , R. -K. Loide , I. Ots , W. Porod , R. Saar , H. Uibo

To achieve the physics goals of future Linear Colliders, it is important that electron and positron beams are polarized. The positron source planned for the International Linear Collider (ILC) is based on a helical undulator system and can…

Accelerator Physics · Physics 2012-02-06 V. Kovalenko , G. Moortgat-Pick , Sabine Riemann , Andriy Ushakov

The International Linear Collider (ILC) is the next large project in accelerator based particle physics. It is complementary to the LHC in many aspects. Measurements from both machines together will finally shed light onto the known…

High Energy Physics - Experiment · Physics 2007-05-23 J. List

The acceleration of polarized electrons, positrons, protons and ions in strong laser and plasma fields is a very attractive option to obtain polarized beams in the multi-MeV range. Recently, there has been substantial progress in the…

Accelerator Physics · Physics 2020-11-04 Markus Büscher , Anna Hützen , Liangliang Ji , Andreas Lehrach

The measurement and correction of optics parameters has been a major concern since the advent of strong focusing synchrotron accelerators. A review of typical imperfections in accelerator optics together with measurement and correction…

Accelerator Physics · Physics 2020-06-19 R. Tomás , X. Buffat , J. Coello , E. Fol , L. Malina

A high-energy e+e- collider, such as the ILC or CLIC, is arguably the best option to complement and extend the LHC physics programme. A lepton collider will allow for exploration of Standard Model Physics, such as precise measurements of…

Instrumentation and Detectors · Physics 2013-08-22 J. S. Marshall , M. A. Thomson

We point out that polarization measurements as planned for the upcoming PLANCK mission can significantly enhance the accuracy of cosmic parameter estimation compared to the temperature anisotropy spectrum alone. In order to illustrate this,…

Astrophysics · Physics 2007-05-23 Pavel Naselsky , Jens Schmalzing , Jesper Sommer-Larsen , Steen Hannested

This document provides a roadmap for ILC detector test beam needs in the next 3 - 5 years. In this period, detector Letters of Intent are expected by fall 2008, the ILC Engineering Design Report to be submitted in ILC and its detectors in…

Instrumentation and Detectors · Physics 2007-10-18 Worldwide ILC Detector Community

The value of accurately knowing the absolute calibration of the polarizing elements in the Near Infrared Camera and Multi-Object Spectrometer (NICMOS) becomes especially important when conducting studies which require measuring degrees of…

Astrophysics · Physics 2009-11-11 D. Batcheldor , A. Robinson , D. Axon , D. C. Hines , W. Sparks , C. Tadhunter

We have built a polarimeter in order to measure the electron beam polarization in hall C at JLAB. Using a superconducting solenoid to drive the pure-iron target foil into saturation, and a symmetrical setup to detect the Moller electrons in…