The two-screen measurement setup to indirectly measure proton beam self-modulation in AWAKE

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21670%2F17%3A00308886" target="_blank" >RIV/68407700:21670/17:00308886 - isvavai.cz</a>

Výsledek na webu

<a href="http://www.sciencedirect.com/science/article/pii/S0168900217302607" target="_blank" >http://www.sciencedirect.com/science/article/pii/S0168900217302607</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.nima.2017.02.064" target="_blank" >10.1016/j.nima.2017.02.064</a>

Jazyk výsledku

angličtina

Název v původním jazyce

The two-screen measurement setup to indirectly measure proton beam self-modulation in AWAKE

Popis výsledku v původním jazyce

The goal of the first phase of the AWAKE [1,2] experiment at CERN is to measure the self-modulation [3] of the σ<inf>z</inf>=12cm long SPS proton bunch into microbunches after traversing 10m of plasma with a plasma density of n<inf>pe</inf>=7x10¹⁴electrons/cm³. The two screen measurement setup [4] is a proton beam diagnostic that can indirectly prove the successful development of the self-modulation of the proton beam by imaging protons that got defocused by the transverse plasma wakefields after passing through the plasma, at two locations downstream the end of the plasma. This article describes the design and realization of the two screen measurement setup integrated in the AWAKE experiment. We discuss the performance and background response of the system based on measurements performed with an unmodulated Gaussian SPS proton bunch during the AWAKE beam commissioning in September and October 2016. We show that the system is fully commissioned and adapted to eventually image the full profile of a self-modulated SPS proton bunch in a single shot measurement during the first phase of the AWAKE experiment.

Název v anglickém jazyce

The two-screen measurement setup to indirectly measure proton beam self-modulation in AWAKE

Popis výsledku anglicky

The goal of the first phase of the AWAKE [1,2] experiment at CERN is to measure the self-modulation [3] of the σ<inf>z</inf>=12cm long SPS proton bunch into microbunches after traversing 10m of plasma with a plasma density of n<inf>pe</inf>=7x10¹⁴electrons/cm³. The two screen measurement setup [4] is a proton beam diagnostic that can indirectly prove the successful development of the self-modulation of the proton beam by imaging protons that got defocused by the transverse plasma wakefields after passing through the plasma, at two locations downstream the end of the plasma. This article describes the design and realization of the two screen measurement setup integrated in the AWAKE experiment. We discuss the performance and background response of the system based on measurements performed with an unmodulated Gaussian SPS proton bunch during the AWAKE beam commissioning in September and October 2016. We show that the system is fully commissioned and adapted to eventually image the full profile of a self-modulated SPS proton bunch in a single shot measurement during the first phase of the AWAKE experiment.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10304 - Nuclear physics

Projekt

—

Návaznosti

S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2017

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Nuclear Instruments and Methods in Physics Research, Section A, Accelerators, Spectrometers, Detectors and Associated Equipment

ISSN

0168-9002

e-ISSN

1872-9576

Svazek periodika

854

Číslo periodika v rámci svazku

May

Stát vydavatele periodika

NL - Nizozemsko

Počet stran výsledku

7

Strana od-do

100-106

Kód UT WoS článku

000398869100014

EID výsledku v databázi Scopus

2-s2.0-85013841365