scholarly journals Beam profile monitoring at the test beam line at the Compact Linear Collider test facility

2013 ◽  
Vol 16 (8) ◽  
Author(s):  
M. Olvegård ◽  
E. Adli ◽  
W. Andreazza ◽  
B. Bolzon ◽  
E. Bravin ◽  
...  
Keyword(s):  
Linear Collider ◽  
Beam Profile ◽  
Beam Line ◽  
Test Facility ◽  
Profile Monitoring ◽  
Test Beam

scholarly journals Channeling and radiation experiments at SLAC

2019 ◽  
Vol 34 (34) ◽  
pp. 1943006
Author(s):  
U. Wienands ◽  
S. Gessner ◽  
M. J. Hogan ◽  
T. Markiewicz ◽  
T. Smith ◽  
...  
Keyword(s):  
Gamma Rays ◽  
Beam Energy ◽  
Narrow Band ◽  
Test Facility ◽  
Test Beam ◽  
High Beam ◽  
Silicon Crystals ◽  
Volume Reflection ◽  
Series Of Experiments ◽  
First Time

Since 2014, a SLAC-Aarhus-Ferrara-CalPoly collaboration augmented by members of ANL and MIT has performed electron and positron channeling experiments using bent silicon crystals at the SLAC End Station A Test Beam as well as the FACET accelerator test facility. These experiments have revealed a remarkable channeling efficiency of about 24% under our conditions. Volume reflection is even more efficient with almost the whole beam taking part in the reflection process. A positron experiment demonstrated quasi-channeling oscillations for the first time at high beam energy. In our most recent experiment we measured the spectrum of gamma radiation for crystal orientations covering channeling and volume reflection. This series of experiments supports the development of more advanced crystalline devices capable e.g. of producing narrow-band gamma rays with electron beams or studying the interaction of the electrons with the wakefields generated in the crystal at high beam intensity.

scholarly journals Micro-strip metal detector for the beam profile monitoring

2007 ◽  
Vol 581 (1-2) ◽  
pp. 531-534 ◽  
Author(s):  
V. Pugatch ◽  
M. Borysova ◽  
A. Mykhailenko ◽  
O. Fedorovitch ◽  
Y. Pylypchenko ◽  
...  
Keyword(s):  
Beam Profile ◽  
Profile Monitoring ◽  
Metal Detector ◽  
Strip Metal

scholarly journals Numerical Study of Electrostatic Field Distortion on LPTPC End-Plates based on Bulk Micromegas Modules

2018 ◽  
Vol 174 ◽  
pp. 06007
Author(s):  
Purba Bhattacharya ◽  
Deb Sankar Bhattacharya ◽  
Supratik Mukhopadhyay ◽  
Nayana Majumdar ◽  
Sudeb Bhattacharya ◽  
...  
Keyword(s):  
Electrostatic Field ◽  
Linear Collider ◽  
Numerical Study ◽  
Superconducting Magnet ◽  
Simulation Framework ◽  
Test Beam ◽  
Field Distortion ◽  
Signal Sensitivity ◽  
Micro Pattern ◽  
First Time

The R&D activities for the linear collider TPC (LC-TPC) are currently working on the adoption of the micro pattern devices for the gaseous amplification stage. Several beam tests have been carried out at DESY with a 5 GeV electron beam in a 1 T superconducting magnet. We worked on a large prototype TPC with an end-plate that was built, for the first time, using seven resistive bulk Micromegas modules. During experiments, reduced signal sensitivity was observed at the boundary of these modules. Electrostatic field distortion near the module boundaries was considered to be the possible major reason behind these observations. In the present work, we will explore this hypothesis through numerical simulation. Our aim has been to understand the origin of distortions observed close to the edges of the test beam modules and to explore the possibility of using the Garfield simulation framework for investigating a phenomenon as complex as distortion.

THE TESLA LINEAR COLLIDER

2001 ◽  
Vol 16 (supp01c) ◽  
pp. 1190-1192
Author(s):  
◽  
WINFRIED DECKING
Keyword(s):  
Linear Collider ◽  
Center Of Mass ◽  
Test Facility ◽  
Super Conducting

The international TESLA collaboration proposes a 500-800 GeV center-of-mass linear collider based on super-conducting 1.3 GHz cavities. This technology promises a luminosity of 3.4×1034 cm-2 s-1. Results from the cavity R&D program at the TESLA test facility and details of the collider design will be presented.

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