000455042 001__ 455042 000455042 005__ 20250716150126.0 000455042 0247_ $$2doi$$a10.1103/PhysRevLett.126.104801 000455042 0247_ $$2INSPIRETeX$$aJalas:2021cbs 000455042 0247_ $$2inspire$$ainspire:1851576 000455042 0247_ $$2ISSN$$a0031-9007 000455042 0247_ $$2ISSN$$a1079-7114 000455042 0247_ $$2ISSN$$a1092-0145 000455042 0247_ $$2datacite_doi$$a10.3204/PUBDB-2021-00902 000455042 0247_ $$2altmetric$$aaltmetric:104820273 000455042 0247_ $$2pmid$$apmid:33784117 000455042 0247_ $$2WOS$$aWOS:000627631100006 000455042 0247_ $$2openalex$$aopenalex:W3135206189 000455042 037__ $$aPUBDB-2021-00902 000455042 041__ $$aEnglish 000455042 082__ $$a530 000455042 1001_ $$0P:(DE-H253)PIP1027758$$aJalas, Sören$$b0$$eCorresponding author 000455042 245__ $$aBayesian Optimization of a Laser-Plasma Accelerator 000455042 260__ $$aCollege Park, Md.$$bAPS$$c2021 000455042 3367_ $$2DRIVER$$aarticle 000455042 3367_ $$2DataCite$$aOutput Types/Journal article 000455042 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article$$bjournal$$mjournal$$s1616677479_3947 000455042 3367_ $$2BibTeX$$aARTICLE 000455042 3367_ $$2ORCID$$aJOURNAL_ARTICLE 000455042 3367_ $$00$$2EndNote$$aJournal Article 000455042 520__ $$aGenerating high-quality laser-plasma accelerated electron beams requires carefully balancing a plethora of physical effects and is therefore challenging—both conceptually and in experiments. Here, we use Bayesian optimization of key laser and plasma parameters to flatten the longitudinal phase space of an ionization-injected electron bunch via optimal beam loading. We first study the concept with particle-in-cell simulations and then demonstrate it in experiments. Starting from an arbitrary set point, the plasma accelerator autonomously tunes the beam energy spread to the subpercent level at 254 MeV and 4.7 pC/MeV spectral density. Finally, we study a robust regime, which improves the stability of the laser-plasma accelerator and delivers sub-five-percent rms energy spread beams for 90% of all shots. 000455042 536__ $$0G:(DE-HGF)POF4-621$$a621 - Accelerator Research and Development (POF4-621)$$cPOF4-621$$fPOF IV$$x0 000455042 588__ $$aDataset connected to CrossRef, Journals: bib-pubdb1.desy.de 000455042 650_7 $$2autogen$$aPlasma and Beam Physics 000455042 693__ $$0EXP:(DE-H253)REGAE-20150101$$5EXP:(DE-H253)REGAE-20150101$$eRelativistic Electron Gun for Atomic Exploration$$x0 000455042 7001_ $$0P:(DE-H253)PIP1021382$$aKirchen, Manuel$$b1 000455042 7001_ $$0P:(DE-H253)PIP1022096$$aMessner, Philipp$$b2 000455042 7001_ $$0P:(DE-H253)PIP1016482$$aWinkler, Paul$$b3 000455042 7001_ $$0P:(DE-H253)PIP1023364$$aHübner, Lars$$b4 000455042 7001_ $$0P:(DE-H253)PIP1093261$$aDirkwinkel, Julian$$b5 000455042 7001_ $$0P:(DE-H253)PIP1014001$$aSchnepp, Matthias$$b6 000455042 7001_ $$0P:(DE-HGF)0$$aLehe, Remi$$b7 000455042 7001_ $$0P:(DE-H253)PIP1014692$$aMaier, Andreas$$b8$$udesy 000455042 773__ $$0PERI:(DE-600)1472655-5$$a10.1103/PhysRevLett.126.104801$$gVol. 126, no. 10, p. 104801$$n10$$p104801$$tPhysical review letters$$v126$$x0031-9007$$y2021 000455042 8564_ $$uhttps://link.aps.org/doi/10.1103/PhysRevLett.126.104801 000455042 8564_ $$uhttps://bib-pubdb1.desy.de/record/455042/files/Admin-Jalas.pdf 000455042 8564_ $$uhttps://bib-pubdb1.desy.de/record/455042/files/Admin-Jalas.gif?subformat=icon$$xicon 000455042 8564_ $$uhttps://bib-pubdb1.desy.de/record/455042/files/Admin-Jalas.jpg?subformat=icon-1440$$xicon-1440 000455042 8564_ $$uhttps://bib-pubdb1.desy.de/record/455042/files/Admin-Jalas.jpg?subformat=icon-180$$xicon-180 000455042 8564_ $$uhttps://bib-pubdb1.desy.de/record/455042/files/Admin-Jalas.jpg?subformat=icon-640$$xicon-640 000455042 8564_ $$uhttps://bib-pubdb1.desy.de/record/455042/files/Admin-Jalas.pdf?subformat=pdfa$$xpdfa 000455042 8564_ $$uhttps://bib-pubdb1.desy.de/record/455042/files/PhysRevLett.126.104801.pdf$$yOpenAccess 000455042 8564_ $$uhttps://bib-pubdb1.desy.de/record/455042/files/PhysRevLett.126.104801.pdf?subformat=pdfa$$xpdfa$$yOpenAccess 000455042 8767_ $$8INV/21/FEB/005126$$92021-02-11$$d2021-02-11$$eHybrid-OA$$jZahlung erfolgt$$lMasterCard$$pLX16816$$zWährung anpassen 000455042 909CO $$ooai:bib-pubdb1.desy.de:455042$$pdnbdelivery$$popenCost$$pVDB$$pdriver$$pOpenAPC$$popen_access$$popenaire 000455042 9101_ $$0I:(DE-H253)_CFEL-20120731$$6P:(DE-H253)PIP1027758$$aCentre for Free-Electron Laser Science$$b0$$kCFEL 000455042 9101_ $$0I:(DE-HGF)0$$6P:(DE-H253)PIP1027758$$aExternal Institute$$b0$$kExtern 000455042 9101_ $$0I:(DE-H253)_CFEL-20120731$$6P:(DE-H253)PIP1021382$$aCentre for Free-Electron Laser Science$$b1$$kCFEL 000455042 9101_ $$0I:(DE-HGF)0$$6P:(DE-H253)PIP1021382$$aExternal Institute$$b1$$kExtern 000455042 9101_ $$0I:(DE-588b)2008985-5$$6P:(DE-H253)PIP1022096$$aDeutsches Elektronen-Synchrotron$$b2$$kDESY 000455042 9101_ $$0I:(DE-H253)_CFEL-20120731$$6P:(DE-H253)PIP1022096$$aCentre for Free-Electron Laser Science$$b2$$kCFEL 000455042 9101_ $$0I:(DE-HGF)0$$6P:(DE-H253)PIP1022096$$aExternal Institute$$b2$$kExtern 000455042 9101_ $$0I:(DE-588b)2008985-5$$6P:(DE-H253)PIP1016482$$aDeutsches Elektronen-Synchrotron$$b3$$kDESY 000455042 9101_ $$0I:(DE-588b)2008985-5$$6P:(DE-H253)PIP1023364$$aDeutsches Elektronen-Synchrotron$$b4$$kDESY 000455042 9101_ $$0I:(DE-588b)2008985-5$$6P:(DE-H253)PIP1093261$$aDeutsches Elektronen-Synchrotron$$b5$$kDESY 000455042 9101_ $$0I:(DE-H253)_CFEL-20120731$$6P:(DE-H253)PIP1014001$$aCentre for Free-Electron Laser Science$$b6$$kCFEL 000455042 9101_ $$0I:(DE-HGF)0$$6P:(DE-H253)PIP1014001$$aExternal Institute$$b6$$kExtern 000455042 9101_ $$0I:(DE-588b)2008985-5$$6P:(DE-H253)PIP1014692$$aDeutsches Elektronen-Synchrotron$$b8$$kDESY 000455042 9101_ $$0I:(DE-H253)_CFEL-20120731$$6P:(DE-H253)PIP1014692$$aCentre for Free-Electron Laser Science$$b8$$kCFEL 000455042 9101_ $$0I:(DE-HGF)0$$6P:(DE-H253)PIP1014692$$aExternal Institute$$b8$$kExtern 000455042 9130_ $$0G:(DE-HGF)POF3-631$$1G:(DE-HGF)POF3-630$$2G:(DE-HGF)POF3-600$$3G:(DE-HGF)POF3$$4G:(DE-HGF)POF$$aDE-HGF$$bForschungsbereich Materie$$lMaterie und Technologie$$vAccelerator R & D$$x0 000455042 9131_ $$0G:(DE-HGF)POF4-621$$1G:(DE-HGF)POF4-620$$2G:(DE-HGF)POF4-600$$3G:(DE-HGF)POF4$$4G:(DE-HGF)POF$$aDE-HGF$$bForschungsbereich Materie$$lMatter and Technologies$$vAccelerator Research and Development$$x0 000455042 9141_ $$y2021 000455042 915__ $$0StatID:(DE-HGF)0200$$2StatID$$aDBCoverage$$bSCOPUS$$d2020-08-32 000455042 915__ $$0StatID:(DE-HGF)0160$$2StatID$$aDBCoverage$$bEssential Science Indicators$$d2020-08-32 000455042 915__ $$0StatID:(DE-HGF)1230$$2StatID$$aDBCoverage$$bCurrent Contents - 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