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Related papers: Luminosity measurement at ILC

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There exists an inevitable scatter in intrinsic luminosity of Gamma Ray Bursts(GRBs). If there is relativistic beaming in the source, viewing angle variation necessarily introduces variation in the intrinsic luminosity function(ILF).…

High Energy Astrophysical Phenomena · Physics 2022-03-23 Shreya Banerjee , David Eichler , Dafne Guetta

Experiments in the energy range from the scale of electroweak symmetry breaking to the TeV scale are expected to be crucial for unraveling the microscopic structure of matter and forces. The high precision which should be achieved in…

High Energy Physics - Phenomenology · Physics 2008-11-26 W. Kilian , P. M. Zerwas

Measurements of the intracluster light (ICL) are still prone to methodological ambiguities and there are multiple techniques in the literature for that purpose, mostly based on the binding energy, the local density distribution, or the…

Astrophysics of Galaxies · Physics 2016-03-23 Y. Jimenez-Teja , R. Dupke

This work investigates robust monotonic convergent iterative learning control (ILC) for uncertain linear systems in both time and frequency domains, and the ILC algorithm optimizing the convergence speed in terms of $l_{2}$ norm of error…

Systems and Control · Electrical Eng. & Systems 2021-01-19 Lanlan Su

In this note the ILC's capabilities for detecting WIMPs and measuring their properties are studied. The expected signal cross section is derived in a model-independent way from the observed relic density of Dark Matter. Signal events are…

High Energy Physics - Experiment · Physics 2009-02-02 C. Bartels , J. List

The effect of beam related systematics, namely uncertainty in the beam energy and differential luminosity spectrum measurements and beam energy spread on the precision of the Higgs boson mass measurement at a future linear e+e- collider is…

High Energy Physics - Experiment · Physics 2007-05-23 A. Raspereza

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

The measurement of Z boson production is presented as a method to determine the integrated luminosity of CMS data sets. The analysis uses proton-proton collision data, recorded by the CMS experiment at the CERN LHC in 2017 at a…

High Energy Physics - Experiment · Physics 2024-01-15 CMS Collaboration

A pair of compact Silicon-Tungsten calorimeters was operated in the OPAL experiment at LEP to measure the integrated luminosity from detection of Bhabha electrons scattered at angles between 25 and 58 mrad from the beam line. In the eight…

High Energy Physics - Experiment · Physics 2017-08-23 G. Abbiendi , R. G. Kellogg , D. Strom

Intracluster Light (ICL) provides an important record of the interactions galaxy clusters have undergone. However, we are limited in our understanding by our measurement methods. To address this we measure the fraction of cluster light that…

Future linear $e^+e^-$ colliders aim for extremely high precision measurements. To achieve this, not only excellent detectors and well controlled machine conditions are needed, but also the best possible estimate of backgrounds. To avoid…

High Energy Physics - Experiment · Physics 2022-09-21 Mikael Berggren

A new effect is presented, which changes the emittance during colliding-beam operation in circular colliders. If the initial transverse distribution is Gaussian, the collision probability is much higher for particles in the core of the beam…

Accelerator Physics · Physics 2009-12-01 R. Bruce

A new type of fast luminosity separation scans ("Emittance Scans") was introduced at the CERN Large Hadron Collider (LHC) in 2015. The scans were performed systematically in every fill with full-intensity beams in physics production…

The International Linear Collider (ILC) is the next large scale project in accelerator particle physics. Colliding electrons with positrons at energies from 0.3 TeV up to about 1 TeV, the ILC is expected to provide the accuracy needed to…

High Energy Physics - Experiment · Physics 2016-11-23 Marco Battaglia

In future normal-conducting linear colliders, the beams will be delivered in short bursts with a length of the order of 100 ns. The pulses will be separated by several ms. In order to maintain high luminosity, feedback is necessary on a…

Accelerator Physics · Physics 2007-05-23 D. Schulte

The Belle II experiment at the SuperKEKB electron-positron collider aims to collect an unprecedented data set of $50~{\rm ab}^{-1}$ to study $CP$-violation in the $B$-meson system and to search for Physics beyond the Standard Model.…

We study the $e^+e^-\to h \gamma$ process at the International Linear Collider (ILC) to probe new physics in the $h\gamma Z$ coupling. The study is performed at a center of mass energy of 250 GeV and is based on the full simulation of the…

High Energy Physics - Experiment · Physics 2019-02-19 Yumi Aoki , Keisuke Fujii , Sunghoon Jung , Junghwan Lee , Junping Tian , Hiroshi Yokoya

Ground motion at the Future JLC detector may affect beam alignment and cause huge luminosity loss. The FEATHER (FEedback AT High Energy Requirements) project addresses this problem by designing a fast intra-pulse feedback system that will…

Instrumentation and Detectors · Physics 2007-05-23 Nicolas Delerue

AIMS: The separation of foreground contamination from cosmic microwave background (CMB) observations is one of the most challenging and important problem of digital signal processing in Cosmology. In literature, various techniques have been…

Astrophysics · Physics 2015-05-13 R. Vio , P. Andreani

The main possibilities of investigation of leptons and bosons birth in interaction of polarized photons are considered. The usage of $\gamma \gamma \to f \bar{f} [+\gamma]$ reactions for the luminosity measurement on linear photon collider…

High Energy Physics - Phenomenology · Physics 2007-05-23 T. Shishkina