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The chi(b)(np) quarkonium states are produced in proton-proton collisions at the Large Hadron Collider at root s=7 TeV and recorded by the ATLAS detector. Using a data sample corresponding to an integrated luminosity of 4.4 fb(-1), these states are reconstructed through their radiative decays to Y(1S,2S) with Y ->mu(+)mu(-). In addition to the mass peaks corresponding to the decay modes chi(b)(1P,
Podd: Psykedeliska droger mot psykisk ohälsa – Vetenskap och Hälsa Vetenskap och hälsa Populärvetenskapligt om medicinsk forskning i Skåne Teman Podd Tidskrift Prenumerera Om webbplatsen Kontakt Sök Sök Podd: Psykedeliska droger mot psykisk ohälsa 2023-11-24 Vetenskap & hälsa · Psykedeliska droger mot psykisk ohälsa 20231124 Forskning på psykedeliska droger låg nere under flera decennier. Men nu h
https://www.vetenskaphalsa.se/podd-psykedeliska-droger-mot-psykisk-ohalsa/ - 2026-05-25
Microsoft Word - PeterssonBjorn.doc COLLECTIVE OMISSIONS AND RESPONSIBILITY∗ Björn Petersson Department of Philosophy, Lund University bjorn.petersson@fil.lu.se ABSTRACT: As Virginia Held, Larry May and Torbjörn Tännsjö have argued, it can be plausible to hold loosely structured sets of individuals morally responsible for failing to act collectively, if this would be needed to prevent some harm. O
https://www.fil.lu.se/hommageawlodek/site/papper/PeterssonBjorn.pdf - 2026-05-26
The role of national law and policy in addressing displacement in the context of disasters and climate change in Asia and the Pacific Matthew Scott Introduction This chapter introduces the analytical framework for the research initiative as a whole. Each of the case studies in the volume adopts a human rights-based approach to the study of law, policy and practice relating to displacement in the c
First measurements of the W -> lv and Z/gamma* -> ll (l = e; mu) production cross sections in proton-proton collisions at root s = 7 TeV are presented using data recorded by the ATLAS experiment at the LHC. The results are based on 2250 W -> lv and 179 Z/gamma* -> ll candidate events selected from a data set corresponding to an integrated luminosity of approximately 320 nb(-1). The measured total
Dijet angular distributions from the first LHC pp collisions at center-of-mass energy root s = 7 TeV have been measured with the ATLAS detector. The dataset used for this analysis represents an integrated luminosity of 3.1 pb(-1). Dijet chi distributions and centrality ratios have been measured up to dijet masses of 2.8 TeV, and found to be in good agreement with Standard Model predictions. Analys
Keers_etal_mod The 2nd EuroSoTL conference, June 8-9 2017, Lund, Sweden How Technologies Motivate and Enhance Student Learning H. Keers, Institute of Earth Science, University of Bergen, Norway A. G. V. Salvanes, J-A. Grytnes, Department of Biology, University of Bergen, Norway R. Waagbø, NIFES/Department of Biology, University of Bergen, Norway ABSTRACT: The use of technology in university teachi
https://konferens.ht.lu.se/fileadmin/_migrated/content_uploads/Keers_etal.pdf - 2026-05-23
ANALYTICITY, MODALITY, AND GENERAL TERMS Kathrin Glüer Department of Philosophy Stockholm University kathrin.gluer@philosophy.su.se Peter Pagin Department of Philosophy Stockholm University peter.pagin@philosophy.su.se ABSTRACT: In his recent paper ‘Analyticity: An Unfinished Business in Possible-World Semantics’ (Rabinowicz 2006), Wlodek Rabinowicz takes on the task of providing a satisfactory de
https://www.fil.lu.se/hommageawlodek/site/papper/Gluer&Pagin.pdf - 2026-05-26
1 Handbok för Sacoråd En vägledning för dig som företräder akademiker inom kommuner och regioner 2 3 Förord Sacoförbunden företräder sina medlemmar utifrån deras professionsgemenskap, det vill säga utbildning och yrke. Det betyder att våra medlemmar återfinns i såväl kommunal som statlig och privat sektor samt i civilsamhället. Inom Saco råder en stor samsyn om att våra medlemmars kompetens är avg
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 measurement of jet activity in the rapidity interval bounded by a dijet system is presented. Events are vetoed if a jet with transverse momentum greater than 20 GeV is found between the two boundary jets. The fraction of dijet events that survive the jet veto is presented for boundary jets that are separated by up to six units of rapidity and with mean transverse momentum 50 < <(p)over bar>T < 5
A search has been performed for pair production of heavy vectorlike down-type (B) quarks. The analysis explores the lepton-plus-jets final state, characterized by events with one isolated charged lepton (electron or muon), significant missing transverse momentum, and multiple jets. One or more jets are required to be tagged as arising from b quarks, and at least one pair of jets must be tagged as
This Letter presents measurements of correlated production of nearby jets in Pb+Pb collisions at root s(NN) = 2.76 TeV using the ATLAS detector at the Large Hadron Collider. The measurement was performed using 0.14 nb(-1)of data recorded in 2011. The production of correlated jet pairs was quantified using the rate, R-Delta R, of "neighbouring" jets that accompany "test" jets within a given range o
A novel technique to identify and split clusters created by multiple charged particles in the ATLAS pixel detector using a set of artificial neural networks is presented. Such merged clusters are a common feature of tracks originating from highly energetic objects, such as jets. Neural networks are trained using Monte Carlo samples produced with a detailed detector simulation. This technique repla
A measurement of the cross section for the inclusive production of isolated prompt photons in pp collisions at a center-of-mass energy root s = 7 TeV is presented. The measurement covers the pseudorapidity ranges vertical bar eta(gamma)vertical bar < 1: 37 and 1: 52 <= vertical bar eta(gamma)vertical bar < 1: 81 in the transverse energy range 15 <= E-T(gamma) < 100 GeV. The results are based on an
The results of a search for pair production of the scalar partners of bottom quarks in 2: 05 fb(-1) of pp collisions at root s = 7 TeV using the ATLAS experiment are reported. Scalar bottom quarks are searched for in events with large missing transverse momentum and two jets in the final state, where both jets are identified as originating from a bottom quark. In an R-parity conserving minimal sup
A summary of the constraints from the ATLAS experiment on R-parity-conserving supersymmetry is presented. Results from 22 separate ATLAS searches are considered, each based on analysis of up to 20.3 fb(-1) of proton-proton collision data at centre-of-mass energies of root s = 7 and 8TeV at the Large Hadron Collider. The results are interpreted in the context of the 19-parameter phenomenological mi
The normalized differential cross section for top-quark pair production in association with at least one jet is studied as a function of the inverse of the invariant mass of the t (t) over bar + 1-jet system. This distribution can be used for a precise determination of the top-quark mass since gluon radiation depends on the mass of the quarks. The experimental analysis is based on proton-proton co
A search for the decay of a light Higgs boson (120-140 GeV) to a pair of weakly interacting, long-lived particles in 1.94 fb(-1) of proton-proton collisions at root s = 7 TeV recorded in 2011 by the ATLAS detector is presented. The search strategy requires that both long-lived particles decay inside the muon spectrometer. No excess of events is observed above the expected background and limits on
Measurements of spin correlation in top quark pair production are presented using data collected with the ATLAS detector at the LHC with proton-proton collisions at a center-of-mass energy of 7 TeV, corresponding to an integrated luminosity of 4.6 fb(-1). Events are selected in final states with two charged leptons and at least two jets and in final states with one charged lepton and at least four
