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Dr Frederick Bordry (CERN)20/03/2017, 08:40
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Dr Roberto Corsini (CERN)20/03/2017, 09:00Presentation
The Compact Linear Collider (CLIC) study aims at a realistic design of a multi-TeV e+e− linear collider for the post-LHC era of high-energy physics, with the potential to operate at centre-of-mass energies ranging from 380 GeV up to 3 TeV and with luminosities of a few 10^34 cm-2 s-1. It is based on a novel two-beam acceleration scheme and on the use of high-gradient, high-frequency ...
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Ms Marlene Turner (CERN / Graz University of Technology (AT))20/03/2017, 09:30
The Advanced Proton Driven Plasma Wakefield Acceleration Experiment (AWAKE) is a proof-of-principle R&D experiment at CERN which uses the first time ever protons to drive the plasmas wakefield. AWAKE aims to accelerate 10-20 MeV electrons to approximately 1 GeV in 10 m of plasma by using plasma wakefields created by a self-modulated 400 GeV/c proton bunch. This talk emphasises on the technical...
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Thomas Shea (ESS)20/03/2017, 10:00Presentation
The European Spallation Source, now under construction in Lund, Sweden, aims to be the world’s most powerful pulsed neutron scattering facility. The project is now about 30% complete, with significant progress in civil construction. Driving the neutron source is a 5-MW superconducting proton linear accelerator operating at 4% beam duty factor and 14-Hz repetition rate. At this unprecedented...
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Mr Luigi Semeraro (Fusion for Energy)20/03/2017, 11:00Presentation
The ITER machine is one of the most complex and large experiment presently ongoing. The first operation of the machine is scheduled for 2025. The fabrication of the main components is in days progressing all around the world. The assembly of the central part of the reactor is supposed to effectively start on 2020. The ITER machine will be assembled on Cadarche site by the ITER central team...
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Dr Marco Pisani (INRIM)20/03/2017, 11:30Presentation
General Relativity (GR) is founded on the experimental fact that in a gravitational field all bodies fall with the same acceleration regardless of their mass and composition. This is the Weak Equivalence Principle (WEP) or Universality of Free Fall (UFF). Experimental evidence of a violation would require either that GR is to be amended or that a new force of nature is at play. Either way, it...
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Dr David Martin (ESRF)20/03/2017, 13:30
Following on from 20 years of success and scientific excellence, the ESRF, the world’s first third-generation light source, has embarked upon an ambitious and innovative modernisation project – the Upgrade Programme. After the successful delivery of the first phase of this programme in the period 2009-2015, the ESRF launched, in May 2015, the ESRF – Extremely Brilliant Source (ESRF – EBS)...
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Mr Solomon William Kamugasa (Eidgenoessische Technische Hochschule Zuerich (CH))20/03/2017, 13:55Presentation
We present developments for the realization of a multilateration network based on Frequency Scanning Interferometry (FSI). Our developments include a reference sphere and kinematic mount for localizing the FSI optical fibre tip and therefore allowing distance measurements in different directions from the same point. Through simulations, we have optimised geometry of our multilateration network...
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Mr Vasileios Vlachakis (CERN)20/03/2017, 14:20Presentation
The micro-triangulation method is proposed as an alternative for magnet fiducialisation. The aim is to directly measure the fiducial points and the stretched wire at the same time, space, and coordinate system, attempting to reduce the uncertainty. We use robotic theodolites equipped with a camera to automatically measure horizontal and vertical angles to the fiducial points and the stretched...
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Mr Alain Lestrade (synchrotron SOLEIL)20/03/2017, 14:45Presentation
Dimensional metrology is of a primary importance in many fields of synchrotron facilities. We have tried to define the basic tools for a spatial layout analysis of dimensional measurement systems to be used by mechanical engineers and people involved in Alignment. Examples deal with Storage Ring alignment, from magnetic measurement bench to quadrupole alignment on their girders.
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Dr Heinrich Schwenke (Etalon AG)20/03/2017, 15:40
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Ms Claude Sanz (CERN)20/03/2017, 16:05Presentation
The role of the early stage researcher 1.1 of the PACMAN project is to measure the position of the wire with the best possible accuracy. An evaluation of the wire lead to the conclusion that the dust would be a large source of uncertainties on its positioning. To reduce the chances of measuring some dust instead of the wire surface, a Shape Evaluating Sensor: High Accuracy and Touchless has...
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Dr Alain Küng (Metas)20/03/2017, 16:30
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Mr Craig Davey (Insphere)20/03/2017, 16:55Presentation
Industry 4.0 presents a direct challenge to companies involved in high-value manufacturing - exploit new metrology processes to deliver highly automated, well-controlled manufacturing solutions, or face getting left behind by your competitors.
We set up Insphere Ltd to help companies facing this exact challenge. We focus our research activities on applying emerging metrology processes to...
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Mr David Tshilumba (CERN)21/03/2017, 08:30Presentation
CLIC (Compact Linear Collider) is a next generation particle collider under study at CERN. The accelerator will operate beams of nanometric size (1 nm ×40 nm) and produce a high density of collisions at the interaction cross section (2x10)^34 hits/(m^2 s)). To guarantee this collision quality, the pre-alignment tolerance of the main components of the accelerator must lie within 10 μm. In...
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Dr Theo Ruijl (MI-Partners)21/03/2017, 08:55
For the Sirius, Brazilia’s 4th generation light source under development by LNLS, a novel Double Cristal
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Monochromator (DCM) is developed. The monochromator is known as one of the most critical optical
elements in a beamline. The new 4th generation light source, with an emittance in the range of 100 prad,
requires extreme stability performance, requiring a crystal to crystal stability in the... -
Mr Charlie Jarvis (National Physical Laboratory)21/03/2017, 09:20Presentation
The National Physical Laboratory (UK) has developed and delivered a novel 6 degree-of-freedom micro-vibration test system for the European Space Agency’s test centre, ESTEC. The system measures the dynamic force and torque produced by spacecraft components between 10 µN to 1 N (1 µNm to 1 Nm), and subjects sensitive specimens to a known micro-vibration environment in the range 1 µg to 10 mg....
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Mr Iordan Doytchinov (CERN/Cranfield University)21/03/2017, 09:45Presentation
Accurate, specific and traceable uncertainty budgeting of measurements is identified as key tool allowing micrometre alignment of large assemblies. The lack of standard methods to allow such accurate uncertainty statements is identified as a major research gap. As an answer to this a new uncertainty budgeting strategy following the International Standard of Uncertainty in Measurement (GUM -...
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Mrs Jennifer Watchi (ULB)21/03/2017, 10:40Presentation
In the future linear collider CLIC, the electromagnets focussing the beams of particles will have to be extremely stable, at the nanometre scale. In order to fulfil such stringent requirements, a prototype of coil-free active isolation system has been developed. This presentation will summarize the latest results obtained with our active isolation system. It consists of an extended frame...
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Mr Peter Novotny (CERN)21/03/2017, 11:05Presentation
Development of a seismic sensor for the future Compact Linear Collider (CLIC) will be presented. Sensor in which three different types of sub-nanometre displacement transducers have been integrated: a Fabry-Pérot interferometer, an optical encoder and a capacitive transducer. This sensor allows us to compare the resolution of all the transducers under the same conditions, thus enabling us to...
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Dr Max Ruffo21/03/2017, 11:30Presentation
Terabee is challenging the perception that successful navigation for drones and robots requires dense point-clouds and expensive laser LiDAR scanners. We understood that long range and fine 3D resolution is far from being the unique answer to autonomous navigation, mainly because of the calculation power required and the failure modes embedded in complex algorithms.
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In this session Max Ruffo,... -
Prof. Serge Samper (Université de Savoie)21/03/2017, 11:55Presentation
Measuring machines gives a more and more accurate number of points in order to describe a surface. In a design process, we need to have a better description of geometry in order to assess all the behaviours involving interactions between material and it’s environment.
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Focussing at the same time the infinite complexity of real objects and the simplification needed to make simple choices is a... -
Ms Sudeshna Datta Cockerill (CERN)21/03/2017, 13:30
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Dr Chiara Marchiori (IBM)21/03/2017, 13:40
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Ms Sudeshna Datta Cockerill (CERN)21/03/2017, 14:00
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Dr Alexander Temnykh (Cornell University)21/03/2017, 14:40Presentation
Up to date Vibrating wire magnetic field measurement technique was used in many occasions for alignment of magnets with “zero” field on axis such as quadrupoles, sextupoles and solenoid magnets.
Addressing the need of the next generation of synchrotron radiation sources such as APS-U, ESRF, CHESS-U required precise alignment of quadrupole magnets with dipole field on magnetic axis (CFM),...
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Mr Domenico Caiazza (CERN)21/03/2017, 15:05Presentation
The alignment of magnets for particle accelerators has become nowadays highly demanding at metrological level. Furthermore, the reduced beam size in upcoming accelerator projects such as CLIC required for multipole magnets with small bores, where the access for traditional magnetic probes is limited. For these reasons, magnetic field measurement systems based on stretched wires have been...
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Dr Animesh Jain (Argonne National Laboratory)21/03/2017, 15:30Presentation
The next generation of light sources is based on Multi-bend Achromat (MBA) lattices to achieve very low emittances of well below 0.1 nm-rad. In addition to regular dipoles, quadrupoles and sextupoles similar to existing machines, a typical MBA lattice consists of several combined function magnets with strong dipole and quadrupole components. These combined function magnets are also slightly...
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Dr Zachary Wolf (SLAC - Standford Uni)21/03/2017, 15:55Presentation
The Linac Coherent Light Source at SLAC provided many magnetic measurement challenges. The magnetic center of the quadrupoles was required to be stable as the excitation current was changed for beam based alignment. A rotating coil system was used to measure magnetic center stability. The quadrupoles had to be accurately aligned to undulators and their fiducialization was done with a...
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Ms Giordana Severino (CERN)21/03/2017, 16:50Presentation
The presentation focuses on the high precision PCB rotating coil for magnetic measurements of both magnets with small size bore (below 10 mm) and big sizes magnets (longitudinal length bigger than two meters).
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The design and test results of the new miniaturized synthetic sapphire rotating coil will be presented together with a new innovative design for an adjustable Ribbon coil developed in... -
Dr Alberto Degiovanni (CERN)21/03/2017, 17:15Presentation
The CERN spin-off company ADAM has designed and is building a 3 GHz linac for proton therapy applications. The linac comprises several rf accelerating units which allows to accelerate protons up to 230 MeV in about 25 meters. The focusing lattice is based on FODO cells made of compact small aperture Permanent Magnet Quadrupoles (PMQ) placed between the accelerating tanks. A general...
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Dr Jordi Marcos (ALBA)21/03/2017, 17:40Presentation
ALBA is a third generation Synchrotron Light Source operating close to Barcelona since 2012. A magnetic measurements laboratory associated to the facility since its very early stages has been active for the last 20 years. In the first part of the present contribution the different instruments available at the laboratory are described, and a brief overview of the measurement campaigns carried...
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Dr Donato Passarelli (FNAL)22/03/2017, 08:30Presentation
Fermilab is planning to enhance the capabilities of the existing accelerator complex to support the delivery of 1.2 MW beam power for a world-leading neutrino program over the next
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several decades. The heart of the Proton Improvement Plan-II (PIP-II) is an 800-MeV superconducting linear accelerator which includes five types of superconducting cavities, grouped in 25 cryomodules, to cover the... -
Dr Silvia Zorzetti22/03/2017, 08:55Presentation
The talk gives an overview of the main achievements presented in my doctoral dissertation, defended at the University of Pisa on January 2017. The focus is on the RF characterization of the cavity BPM designed for the CLIC Test Facility (CTF3). The experimental results on the Final PACMAN Alignment Bench (FPAB) prove the feasibility of the innovative alignment methodology established in the...
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Dr Reidar Lunde Lillestol (CERN/Uni. Oslo)22/03/2017, 09:20Presentation
In order to achieve high luminosities in the future CLIC machine, it is vital to avoid emittance growth along the accelerator. A major contributor to emittance growth is transverse wakefields in the accelerating structures, and in order to combat this the structures will be equipped with wakefield monitors (WFMs) that will be used as input to the alignment strategies. The presentation reports...
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Ms Natalia Galindo Munoz (CERN)22/03/2017, 10:15
In the framework of the PACMAN project we have developed a test set-up to measure the electromagnetic center of high gradient accelerating structures for alignment purposes. We have hypothesized with previous simulation studies that a resolution of 1 mm is possible using a stretched conductor wire along the structure and a network analyzer to detect the minimum perturbation when the wire is in...
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Dr Giovanni De Michele (A.D.A.M. Applications of Detectors and accelerators to Medicine)22/03/2017, 10:40
LIGHT (Linac for Image Guided Hadron Therapy) is a linear proton accelerator dedicated to protontherapy. LIGHT is designed to accelerate protons up to 230 MeV.
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In this talk, an overview of the accelerator will be given starting from the RF design through manufacturing, low and high power RF testing. -
Dr Helene Mainaud Durand (CERN)22/03/2017, 14:30
The objectives of the PACMAN project are to improve the precision and accuracy of the alignment of accelerator components. Two steps of alignment are concerned: the fiducialisation, e.g. the determination of the reference axis of components w.r.t. alignment targets, and the initial alignment of components on a common support assembly. The main accelerator components considered for the study...
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Dr Steffen Doebert (CERN)22/03/2017, 15:00Presentation
The CLIC two beam module will be described together with its numerous alignment constraints and tolerances dictated by beam dynamics. A pre-alignment of the a high number of comments of the order of 10 microns has to be realised for the CLIC project. In this sense the CLIC project represents a new level of requirements to accelerator alignment. The CLIC alignment strategy will be described and...
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Dr Eliana Gianfelice (Fermilab)22/03/2017, 15:30Presentation
A hadron collider of 100 km circumference and 100 TeV in the center of mass is under study by the international physics community as next energy frontier Future Circular Collider (FCC). The same tunnel could host first a lepton collider, FCC-e+e−, with beam energy ranging between 45 and 175 GeV. For attaining luminosities between 10^34 and 10^36 cm^-2s^-1, the beams must be strongly focused at...
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Mr Binlei Ding (ULB)Poster
In this contribution, a new prototype of optical inertial sensor and the results of huddle tests will be presented. The sensor is an interferometric absolute motion sensor, which includes two parts. One is a new designed compact optical readout. The overall size of the interferometer is within 150×100×70 mm3 (L×W×H). As it is not affected by the electromagnetic field, it will be completely...
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Mr Luca Sabato (Universita del Sannio (IT))Poster
The effects of the assumptions about the bunch proprieties on the accuracy of the measurement method of the bunch length based on a Radio Frequency Deflector (RFD) in electron LINear ACcelerators (LINACs) are investigated. In particular, when the electron bunch at the RFD has correlations between particle longitudinal positions and vertical, the measurement is affected by a deterministic...
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