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LIBRIS Formathandbok  (Information om MARC21)

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• MARC

Fältnamn	Indikatorer	Metadata
000		04292naa a22007573a 4500
001		22094988
003		SE-LIBR
005		20171208153744.0
007		cr||||||||||||
008		171208s2017 sw |||| o |||| ||eng c
024	7	a http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-3356712 uri
024	7	a urn:nbn:se:uu:diva-3356712 urn
024	7	a 10.1140/epjc/s10052-017-5081-52 doi
040		a S
041	0	a eng
042		9 EPLK
100	1	a Aaboud, M.4 aut
245	1 0	a Identification and rejection of pile-up jets at high pseudorapidity with the ATLAS detectorh [Elektronisk resurs]
260		c 2017
500		a <p>ATLAS Collaboration, for complete list of authors see http://dx.doi.org/10.1140/epjc/s10052-017-5081-5</p><p></p>
500		a Published
506	0	a gratis
520		a The rejection of forward jets originating from additional proton-proton interactions (pile-up) is crucial for a variety of physics analyses at the LHC, including Standard Model measurements and searches for physics beyond the Standard Model. The identification of such jets is challenging due to the lack of track and vertex information in the pseudorapidity range vertical bar eta vertical bar &gt; 2.5. This paper presents a novel strategy for forward pile-up jet tagging that exploits jet shapes and topological jet correlations in pile-up interactions. Measurements of the per-jet tagging efficiency are presented using a data set of 3.2 fb(-1) of proton-proton collisions at a centre-of-mass energy of 13 TeV collected with the ATLAS detector. The fraction of pile-up jets rejected in the range 2.5 &lt; vertical bar eta vertical bar &lt; 4.5 is estimated in simulated events with an average of 22 interactions per bunch-crossing. It increases with jet transverse momentum and, for jets with transverse momentum between 20 and 50 GeV, it ranges between 49% and 67% with an efficiency of 85% for selecting hard-scatter jets. A case study is performed in Higgs boson production via the vector-boson fusion process, showing that these techniques mitigate the background growth due to additional proton-proton interactions, thus enhancing the reach for such signatures.
650	7	a Natural Sciences2 hsv
650	7	a Physical Sciences2 hsv
650	7	a Subatomic Physics2 hsv
650	7	a Naturvetenskap2 hsv0 264446
650	7	a Fysik2 hsv0 274895
650	7	a Subatomär fysik2 hsv
650	7	a Fysik med inriktning mot elementarpartikelfysik2 uu
650	7	a Physics with specialization in Elementary Particle Physics2 uu
700	1	a Bergeås Kuutmann, Elin4 aut
700	1	a Bokan, Petar4 aut
700	1	a Brenner, Richard4 aut
700	1	a Ekelöf, Tord4 aut
700	1	a Ellert, Mattias4 aut
700	1	a Ferrari, Arnaud4 aut
700	1	a Gardin, P. O. Joakim4 aut
700	1	a Isacson, Max4 aut
700	1	a Mårtensson, Mikael4 aut
700	1	a Öhman, Henrik4 aut
700	1	a Rangel Smith, Camila4 aut
700	1	a De Bruin, Pedro Sales4 aut
700	1	a Zwalinski, L.4 aut
710	1 2	a Uppsala universitetb Teknisk-naturvetenskapliga vetenskapsområdet4 pbl
772	1 8	i channel recordw 19753896
773	0 8	i Värdpublikationt European Physical Journal Cg 77:9x 1434-6044
856	4 0	u http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-335671
856	4 0	u http://dx.doi.org/10.1140/epjc/s10052-017-5081-5
856	4 0	u http://uu.diva-portal.org/smash/get/diva2:1163726/FULLTEXT01
950	k	6 650a Atomerw hu Naturvetenskap
950	k	6 650a Experimentw hu Naturvetenskap
950	k	6 650a Fysikw hu Naturvetenskap
950	k	6 650a Kemiw hu Naturvetenskap
950	k	6 650a Kloningw hu Naturvetenskap
950	k	6 650a Laboratorierw hu Naturvetenskap
950	k	6 650a Marinbiologiw hu Naturvetenskap
950	k	6 650a Matematikw hu Naturvetenskap
950	k	6 650a Medicinska experimentw hu Naturvetenskap
950	k	6 650a Tyngdlagenw hu Naturvetenskap
950	k	6 650a Utvecklingsläraw hu Naturvetenskap
950	k	6 650a Naturvetenskapw gu Fysik
841		5 APISa x ab 171208||0000|||||001||||||000000e 1
024	7	5 APISa urn:nbn:se:uu:diva-3356712 urn
852		5 APISb APIS
856	4 0	5 APISu http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-335671

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