Search results

A search for diphoton events with large missing transverse energy is presented. The data were collected with the ATLAS detector in proton-proton collisions at root s = 7 TeV at the CERN Large Hadron Collider and correspond to an integrated luminosity of 3: 1 pb(-1). No excess of such events is observed above the standard model background prediction. In the context of a specific model with one univ

A measurement is reported of the production cross section of top-quark pairs (t (t) over bar) in proton-proton collisions at a center-of-mass energy of 7 TeV recorded with the ATLAS detector at the LHC. Candidate events have a signature consistent with containing two isolated leptons, large missing transverse momentum, and at least two jets. Using a data sample corresponding to an integrated lumin

This Letter presents a search for pair production of heavy down-type quarks decaying via b' -> Wt in the lepton + jets channel, as b'(b) over bar' -> W(-)tW(+)(t) over bar -> b (b) over barW(+)W(-)W(+)W- -> l(+/-) nu b (b) over barq (q) over barq (q) over barq ($) over barq. In addition to requiring exactly one lepton, large missing transverse momentum, and at least six jets, the invariant mass of

By using the ATLAS detector, observations have been made of a centrality-dependent dijet asymmetry in the collisions of lead ions at the Large Hadron Collider. In a sample of lead-lead events with a per-nucleon center of mass energy of 2.76 TeV, selected with a minimum bias trigger, jets are reconstructed in fine-grained, longitudinally segmented electromagnetic and hadronic calorimeters. The tran

This paper presents a study of the possible ordering of charged hadrons in the azimuthal angle relative to the beam axis in high-energy proton-proton collisions at the Large Hadron Collider (LHC). A spectral analysis of correlations between longitudinal and transverse components of the momentum of the charged hadrons, driven by the search for phenomena related to the structure of the QCD field, is

This Letter presents the first search for supersymmetry in final states containing one isolated electron or muon, jets, and missing transverse momentum from root s = 7 TeV proton-proton collisions at the LHC. The data were recorded by the ATLAS experiment during 2010 and correspond to a total integrated luminosity of 35 pb(-1). No excess above the standard model background expectation is observed.

The Z -> tau tau cross section is measured with the ATLAS experiment at the LHC in four different final states determined by the decay modes of the tau leptons: muon-hadron, electron-hadron, electron-muon, and muon-muon. The analysis is based on a data sample corresponding to an integrated luminosity of 36 pb(-1), at a proton-proton center-of-mass energy of root s = 7 TeV. Cross sections are measu

Azimuthal decorrelations between the two central jets with the largest transverse momenta are sensitive to the dynamics of events with multiple jets. We present a measurement of the normalized differential cross section based on the full data set ( integral Ldt = 36 pb(-1)) acquired by the ATLAS detector during the 2010 root s = 7 TeV proton-proton run of the LHC. The measured distributions includ

An inclusive search for anomalous production of two prompt, isolated muons with the same electric charge is presented. The search is performed in a data sample corresponding to 1.6 fb(-1) of integrated luminosity collected in 2011 at root s = 7 TeV with the ATLAS detector at the LHC. Muon pairs are selected by requiring two isolated muons of the same electric charge with p(T) > 20 GeV and vertical

The Nordic Network of Conspiracy Theory Research Inaugural Conference, 23-24 May 2024, Lund University, Department of Arts and Cultural Studies, LUX Building, Helgonavägen 3, 223 62 Lund BOOK OF ABSTRACTS Aaron James Goldman, PhD Research Fellow, Centre for Theology and Religious Studies, Lund University Why Conspiracy Theories Are (Not) Theoretically Interesting Recent scholarship by conspiracy t

https://konferens.ht.lu.se/fileadmin/user_upload/CONNOR_book_of_abstracts.pdf - 2026-06-08

Working Papers in Scandinavian Syntax 105, 2021, 18–44 Icelandic Case Syncretism and the Syntax-Morphology Interface Einar Freyr Sigurðsson and Jim Wood The Árni Magnússon Institute for Icelandic Studies and Yale University Abstract In this paper, we provide an initial overview of an understudied area of Icelandic morphosyntax, namely the effect of case syncretism of the acceptability of a variety

https://projekt.ht.lu.se/fileadmin/user_upload/sol/ovrigt/projekt_grimm/working_papers/June_2021/Sigurdsson-Wood.pdf - 2026-06-11

Fåglar – Fråga en Biolog Hoppa till huvudinnehåll Välkommen Svar Möt våra experter Sök Sök Stäng Meny Meny Fråga en Biolog Allt du någonsin undrat om hur naturen fungerar Arkiv för kategorin Fåglar Sida 1 / 8 maj 20, 2026 | andreasnord Vem har byggt bo i fritidshuset? Jag hittade detta fågelbo i mitt fritidshus i Småland. Vilken fågel kan det vara? Det är en rödhake som har byggt bo här. När … Dju

https://fragaenbiolog.blogg.lu.se/category/faglar/ - 2026-06-11

Final Papers of the 2016-2018 National Symposiums under the Zimbabwe Human Rights Capacity Development Programme i The designations employed and the presentation of the material herein do not imply the expression of any opinion whatsoever on the part of the Raoul Wallenberg Institute of Human Rights and Humanitarian Law (RWI) or any of its partners or donors concerning the legal status of any coun

https://rwi.lu.se/wp-content/uploads/2022/12/Final-Papers-2016-2018-RWI-National-Symposiums.pdf - 2026-06-11

GAMBARAN PETA KERJA DIREKTORAT JENDERAL HAK ASASI MANUSIA TERHADAP AGENDA PERUBAHAN IKLIM Raoul Wallenberg Institute of Human Rights and Humanitarian Law Dr. Irene Sondang Fitrinitia, Sri Aryani, Windi Arini The Raoul Wallenberg Institute of Human Rights and Humanitarian Law (RWI) adalah lembaga riset dan akademis yang berkomitmen pada pendidikan dan pengembangan hak asasi manusia di seluruh dunia

https://rwi.lu.se/wp-content/uploads/2024/06/Peta-Kerja-Ditjen-HAM-terhadap-Perubahan-Iklim.pdf - 2026-06-11

A generic search for anomalous production of events with at least three charged leptons is presented. The data sample consists of pp collisions at TeV collected in 2012 by the ATLAS experiment at the CERN Large Hadron Collider, and corresponds to an integrated luminosity of 20.3 fb(-1). Events are required to have at least three selected lepton candidates, at least two of which must be electrons o

A measurement of spin correlation in tt[over ¯] production is presented using data collected with the ATLAS detector at the Large Hadron Collider in proton-proton collisions at a center-of-mass energy of 8 TeV, corresponding to an integrated luminosity of 20.3 fb^{-1}. The correlation between the top and antitop quark spins is extracted from dilepton tt[over ¯] events by using the difference in th

Results of a search for decays of massive particles to fully hadronic final states are presented. This search uses 20.3 fb(-1) of data collected by the ATLAS detector in root s = 8 TeV proton-proton collisions at the LHC. Signatures based on high jet multiplicities without requirements on the missing transverse momentum are used to search for R-parity-violating supersymmetric gluino pair productio

A search for Higgs boson pair production [Formula: see text] is performed with 19.5 fb[Formula: see text] of proton-proton collision data at [Formula: see text] TeV, which were recorded by the ATLAS detector at the Large Hadron Collider in 2012. The decay products of each Higgs boson are reconstructed as a high-momentum [Formula: see text] system with either a pair of small-radius jets or a single

High transverse momentum jets produced in pp collisions at a centre of mass energy of 7 TeV are used to measure the transverse energy-energy correlation function and its associated azimuthal asymmetry. The data were recorded with the ATLAS detector at the LHC in the year 2011 and correspond to an integrated luminosity of 158 pb(-1). The selection criteria demand the average transverse momentum of

Double-differential three-jet production cross-sections are measured in proton-proton collisions at a centre-of-mass energy of [Formula: see text] using the ATLAS detector at the large hadron collider. The measurements are presented as a function of the three-jet mass [Formula: see text], in bins of the sum of the absolute rapidity separations between the three leading jets [Formula: see text]. In