Record deflection efficiencies measured for high energy protons in a bent germanium crystal

New experimental results on the deflection of high energy protons in a bent germanium crystal are presented. At 450 GeV/c, the 50 mm long crystal gave record deflection efficiencies up to 60% for small angles (1 mrad), while at angles as large as 12 mrad, the efficiency is about 25 times larger than...

Descripción completa

Detalles Bibliográficos
Autores principales: Biino, C, Clément, M, Doble, Niels T, Elsener, K, Gatignon, L, Grafström, P, Mikkelsen, U, Freund, A, Kirsebom, K, Møller, S P, Uggerhøj, Erik, Worm, T
Lenguaje:eng
Publicado: 1997
Materias:
Accelerators and Storage Rings
Acceso en línea:http://cds.cern.ch/record/327313
_version_ 1780890979665969152
author Biino, C
Clément, M
Doble, Niels T
Elsener, K
Gatignon, L
Grafström, P
Mikkelsen, U
Freund, A
Kirsebom, K
Møller, S P
Uggerhøj, Erik
Worm, T
author_facet Biino, C
Clément, M
Doble, Niels T
Elsener, K
Gatignon, L
Grafström, P
Mikkelsen, U
Freund, A
Kirsebom, K
Møller, S P
Uggerhøj, Erik
Worm, T
author_sort Biino, C
collection CERN
description New experimental results on the deflection of high energy protons in a bent germanium crystal are presented. At 450 GeV/c, the 50 mm long crystal gave record deflection efficiencies up to 60% for small angles (1 mrad), while at angles as large as 12 mrad, the efficiency is about 25 times larger than for a silicon crystal of the same size. The experimental results are in good agreement with a model for channeling and deflection developed by Ellison and give - together with a similar comparison for a 200 GeV/c beam - confidence in extrapolations to higher energies (e.g. to LHC), other crystal materials or different deflection angles.
id cern-327313
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 1997
record_format invenio
spelling cern-3273132023-05-05T12:57:31Zhttp://cds.cern.ch/record/327313engBiino, CClément, MDoble, Niels TElsener, KGatignon, LGrafström, PMikkelsen, UFreund, AKirsebom, KMøller, S PUggerhøj, ErikWorm, TRecord deflection efficiencies measured for high energy protons in a bent germanium crystalAccelerators and Storage RingsNew experimental results on the deflection of high energy protons in a bent germanium crystal are presented. At 450 GeV/c, the 50 mm long crystal gave record deflection efficiencies up to 60% for small angles (1 mrad), while at angles as large as 12 mrad, the efficiency is about 25 times larger than for a silicon crystal of the same size. The experimental results are in good agreement with a model for channeling and deflection developed by Ellison and give - together with a similar comparison for a 200 GeV/c beam - confidence in extrapolations to higher energies (e.g. to LHC), other crystal materials or different deflection angles.CERN-SL-97-028-EAoai:cds.cern.ch:3273131997-06-04
spellingShingle Accelerators and Storage Rings
Biino, C
Clément, M
Doble, Niels T
Elsener, K
Gatignon, L
Grafström, P
Mikkelsen, U
Freund, A
Kirsebom, K
Møller, S P
Uggerhøj, Erik
Worm, T
Record deflection efficiencies measured for high energy protons in a bent germanium crystal
title Record deflection efficiencies measured for high energy protons in a bent germanium crystal
title_full Record deflection efficiencies measured for high energy protons in a bent germanium crystal
title_fullStr Record deflection efficiencies measured for high energy protons in a bent germanium crystal
title_full_unstemmed Record deflection efficiencies measured for high energy protons in a bent germanium crystal
title_short Record deflection efficiencies measured for high energy protons in a bent germanium crystal
title_sort record deflection efficiencies measured for high energy protons in a bent germanium crystal
topic Accelerators and Storage Rings
url http://cds.cern.ch/record/327313
work_keys_str_mv AT biinoc recorddeflectionefficienciesmeasuredforhighenergyprotonsinabentgermaniumcrystal
AT clementm recorddeflectionefficienciesmeasuredforhighenergyprotonsinabentgermaniumcrystal
AT doblenielst recorddeflectionefficienciesmeasuredforhighenergyprotonsinabentgermaniumcrystal
AT elsenerk recorddeflectionefficienciesmeasuredforhighenergyprotonsinabentgermaniumcrystal
AT gatignonl recorddeflectionefficienciesmeasuredforhighenergyprotonsinabentgermaniumcrystal
AT grafstromp recorddeflectionefficienciesmeasuredforhighenergyprotonsinabentgermaniumcrystal
AT mikkelsenu recorddeflectionefficienciesmeasuredforhighenergyprotonsinabentgermaniumcrystal
AT freunda recorddeflectionefficienciesmeasuredforhighenergyprotonsinabentgermaniumcrystal
AT kirsebomk recorddeflectionefficienciesmeasuredforhighenergyprotonsinabentgermaniumcrystal
AT møllersp recorddeflectionefficienciesmeasuredforhighenergyprotonsinabentgermaniumcrystal
AT uggerhøjerik recorddeflectionefficienciesmeasuredforhighenergyprotonsinabentgermaniumcrystal
AT wormt recorddeflectionefficienciesmeasuredforhighenergyprotonsinabentgermaniumcrystal

Ejemplares similares