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Viser treff 1804-1823 av 2102

    • Searches for heavy long-lived charged particles with the ATLAS detector in proton--proton collisions at \(\sqrt{s}\) = 8 TeV 

      Aad, Georges; Abbott, Brad; Abdallah, Jalal; Abdel Khalek, Samah; Abdinov, Ovsat Bahram oglu; Aben, Rosemarie; Abi, Babak; Abolins, Maris; AbouZeid, Hass; Abramowicz, Halina; Buanes, Trygve; Dale, Ørjan; Eigen, Gerald; Kastanas, Alex; Liebig, Wolfgang; Lipniacka, Anna; Martin dit Latour, Bertrand; Rosendahl, Peter Lundgaard; Sandaker, Heidi; Sjursen, Therese B.; Smestad, Lillian; Stugu, Bjarne; Ugland, Maren; Bugge, Lars; Cameron, David Gordon; Catmore, James Richard; Czyczula, Zofia; Franconi, Laura; Gjelsten, Børge Kile; Gramstad, Eirik; Morisbak, Vanja; Ould-Saada, Farid; Pajchel, Katarina; Pedersen, Maiken; Read, Alexander Lincoln; Røhne, Ole Myren; Stapnes, Steinar; Strandlie, Are; Abreu, Henso; Abreu, Rômulo F.; Abulaiti, Yiming; Acharya, Bobby S.; Adamczyk, Leszek; Adams, David; Adelman, Jareed; Adomeit, Stefanie; Adye, Tim; Agatonovic-Jovin, Tatjana; Aguilar Saavedra, Juan Antonio; Agustoni, Marco; ATLAS, Collaboration (Peer reviewed; Journal article, 2015-01-14)
      Searches for heavy long-lived charged particles are performed using a data sample of 19.8 fb\(^{-1}\) from proton--proton collisions at a centre-of-mass energy of \(\sqrt{s}\) = 8 TeV collected by the ATLAS detector at the ...

    • Searches for heavy ZZ and ZW resonances in the ℓℓqq and ννqq final states in pp collisions at √s=13TeV with the ATLAS detector 

      Aaboud, Morad; Aad, Georges; Abbott, Brad; Abdinov, Ovsat Bahram oglu; Abeloos, Baptiste; Abidi, Syed Haider; AbouZeid, Hass; Abraham, Nadine L.; Abramowicz, Halina; Abreu, Henso; Buanes, Trygve; Dale, Ørjan; Eigen, Gerald; Liebig, Wolfgang; Lipniacka, Anna; Martin dit Latour, Bertrand; Mæland, Steffen; Stugu, Bjarne; Yang, Zongchang; Zalieckas, Justas; Bugge, Magnar Kopangen; Cameron, David Gordon; Catmore, James Richard; Feigl, Simon; Franconi, Laura; Garonne, Vincent; Gjelsten, Børge Kile; Gramstad, Eirik; Morisbak, Vanja; Nilsen, Jon Kerr; Oppen, Henrik; Ould-Saada, Farid; Raddum, Silje Hattrem; Read, Alexander Lincoln; Røhne, Ole Myren; Sandaker, Heidi; Serfon, Cédric; Stapnes, Steinar; Vadla, Knut Oddvar Høie; Abreu, Rômulo F.; Abulaiti, Yiming; Acharya, Bobby S.; Adachi, Shunsuke; Adamczyk, Leszek; Adelman, Jareed; Adersberger, Michael; Adye, Tim; Affolder, Anthony Allen; Afik, Yoav; Agatonovic-Jovin, Tatjana; ATLAS, Collaboration (Peer reviewed; Journal article, 2018-03-05)
      This paper reports searches for heavy resonances decaying into ZZ or ZW using data from proton-proton collisions at a centre-of-mass energy of √s=13 TeV. The data, corresponding to an integrated luminosity of 36.1 fb^−1, ...

    • Searches for lepton-flavour-violating decays of the Higgs boson in √s=13 TeV pp collisions with the ATLAS detector 

      Aad, Georges; Abbott, Brad; Abbott, Dale C.; Abed Abud, Adam; Abeling, Kira; Abhayasinghe, Deshan Kavishka; Abidi, Syed Haider; AbouZeid, Hass; Abraham, Nadine L.; Abramowicz, Halina; Bjørke, Kristian; Bugge, Magnar Kopangen; Cameron, David Gordon; Catmore, James Richard; Garonne, Vincent; Gramstad, Eirik; Hellesund, Simen; Morisbak, Vanja; Oppen, Henrik; Ould-Saada, Farid; Pedersen, Maiken; Read, Alexander Lincoln; Rye, Eli Bæverfjord; Røhne, Ole Myren; Sandaker, Heidi; Vadla, Knut Oddvar Høie; Buanes, Trygve; Djuvsland, Julia Isabell; Eigen, Gerald; Fomin, Nikolai; Lee, Graham Richard; Lipniacka, Anna; Martin dit Latour, Bertrand; Mæland, Steffen; Stugu, Bjarne; Træet, Are Sivertsen; Abreu, Henso; Abulaiti, Yiming; Acharya, Bobby S.; Achkar, Baida; Adachi, Shunsuke; Adam, Lennart; Adam-Bourdarios, Claire; Adamczyk, Leszek; Adamek, Lukas; Adelman, Jareed; Adersberger, Michael; Adigüzel, Aytül; Adorni, Sofia; Adye, Tim; ATLAS, Collaboration (Journal article; Peer reviewed, 2020-01-10)
      This Letter presents direct searches for lepton flavour violation in Higgs boson decays, H → eτ and H → μτ , performed with the ATLAS detector at the LHC. The searches are based on a data sample of proton–proton collisions ...

    • Searches for scalar leptoquarks and differential cross-section measurements in dilepton–dijet events in proton–proton collisions at a centre-of-mass energy of √s= 13 TeV with the ATLAS experiment 

      Aaboud, Morad; Aad, Georges; Abbott, Brad; Abdinov, Ovsat Bahram oglu; Abeloos, Baptiste; Abhayasinghe, Deshan Kavishka; Abidi, Syed Haider; AbouZeid, Hass; Abraham, Nadine L.; Abramowicz, Halina; Buanes, Trygve; Djuvsland, Julia Isabell; Eigen, Gerald; Fomin, Nikolai; Lipniacka, Anna; Martin dit Latour, Bertrand; Mæland, Steffen; Stugu, Bjarne; Yang, Zongchang; Zalieckas, Justas; Bugge, Magnar Kopangen; Cameron, David Gordon; Catmore, James Richard; Feigl, Simon; Franconi, Laura; Garonne, Vincent; Gramstad, Eirik; Hellesund, Simen; Morisbak, Vanja; Oppen, Henrik; Ould-Saada, Farid; Pedersen, Maiken; Read, Alexander Lincoln; Røhne, Ole Myren; Sandaker, Heidi; Serfon, Cédric; Stapnes, Steinar; Vadla, Knut Oddvar Høie; Abreu, Henso; Abulaiti, Yiming; Acharya, Bobby S.; Adachi, Shunsuke; Adamczyk, Leszek; Adelman, Jareed; Adersberger, Michael; Adigüzel, Aytül; Adye, Tim; Affolder, Anthony Allen; Afik, Yoav; Agheorghiesei, Catalin; ATLAS, Collaboration (Peer reviewed; Journal article, 2019-09-03)
      Searches for scalar leptoquarks pair-produced in proton–proton collisions at √s=13 TeV at the Large Hadron Collider are performed by the ATLAS experiment. A data set corresponding to an integrated luminosity of 36.1 fb−1 ...

    • Searches for third-generation scalar leptoquarks in √s= 13 TeV pp collisions with the ATLAS detector 

      Aaboud, Morad; Aad, Georges; Abbott, Brad; Abbott, Dale C.; Abdinov, Ovsat Bahram oglu; Abhayasinghe, Deshan Kavishka; Abidi, Syed Haider; AbouZeid, Hass; Abraham, Nadine L.; Abramowicz, Halina; Buanes, Trygve; Djuvsland, Julia Isabell; Eigen, Gerald; Fomin, Nikolai; Lipniacka, Anna; Martin dit Latour, Bertrand; Mæland, Steffen; Stugu, Bjarne; Yang, Zongchang; Bugge, Magnar Kopangen; Cameron, David Gordon; Catmore, James Richard; Feigl, Simon; Garonne, Vincent; Gramstad, Eirik; Hellesund, Simen; Morisbak, Vanja; Oppen, Henrik; Ould-Saada, Farid; Pedersen, Maiken; Read, Alexander Lincoln; Røhne, Ole Myren; Sandaker, Heidi; Vadla, Knut Oddvar Høie; Abreu, Henso; Abulaiti, Yiming; Acharya, Bobby S.; Adachi, Shunsuke; Adam, Lennart; Adamczyk, Leszek; Adamek, Lukas; Adelman, Jareed; Adersberger, Michael; Adigüzel, Aytül; Adye, Tim; Affolder, Anthony Allen; Afik, Yoav; Agapopoulou, Christina; Agaras, Merve Nazlim; Aggarwal, Anamika; ATLAS, Collaboration (Peer reviewed; Journal article, 2019-06-28)
      Limits are set on the pair production of scalar leptoquarks, where all possible decays of the leptoquark into a quark (t, b) and a lepton (τ, ν) of the third generation are considered. The limits are presented as a function ...

    • Searches for transverse momentum dependent flow vector fluctuations in Pb-Pb and p-Pb collisions at the LHC 

      Acharya, Shreyasi; Adamová, Dagmar; Adolfsson, Jonatan; Aggarwal, Madan M.; Aglieri Rinella, G; Agnello, Michelangelo; Agrawal, Nikita; Ahammed, Zubayer; Ahmad, N; Ahn, SU; Alme, Johan; Arsene, Ionut Christian; Bätzing, Paul Christoph; Djuvsland, Øystein; Dordic, Olja; Helstrup, Håvard; Hetland, Kristin Fanebust; Kileng, Bjarte; Langøy, Rune; Lardeux, Antoine Xavier; Lien, Jørgen André; Lindal, Svein; Lønne, Per-Ivar; Mahmood, Sohail Musa; Milosevic, Jovan; Nesbø, Simon Voigt; Nystrand, Joakim; Rehman, Attiq Ur; Richter, Matthias Rudolph; Røed, Ketil; Røhrich, Dieter; Skaali, Toralf Bernhard; Tambave, Ganesh Jagannath; Tveter, Trine Spedstad; Ullaland, Kjetil; Velure, Arild; Wagner, Boris; Wikne, Jon Christopher; Zhang, Hui; Zhao, Chengxin; Zhou, Zhuo; Zhu, Hongsheng; Qvigstad, Henrik; Aiola, Salvatore; Akindinov, Alexander; Alam, Sk Noor; Alba, José Luis Bazo; Aleksandrov, Dimitry; Allesandro, B.; ALICE, Collaboration (Peer reviewed; Journal article, 2017-09)
      The measurement of azimuthal correlations of charged particles is presented for Pb-Pb collisions at \(\sqrt{s_{\rm NN}}=\) 2.76 TeV and p-Pb collisions at \(\sqrt{s_{\rm NN}}=\) 5.02 TeV with the ALICE detector at the CERN ...

    • Searching for Dark Matter with the ATLAS and CTA Experiments 

      Dale, Ørjan (Doctoral thesis, 2016-06-23)
      The existence of dark matter has been inferred by several experiments through measurements of its gravitational effects. However, dark matter has not been observed directly, meaning that we do not know what it is made of. ...

    • Searching for the Higgs Boson in Pairs of Tau Leptons in Data from the ATLAS Experiment 

      Rosendahl, Peter Lundgaard (Doctoral thesis, 2013-01-11)
      One of the key questions in particle physics today, is the origin of the electroweak symmetry breaking. The answer to this question will most likely be solved with the data provided by the Large Hadron Collider which started ...

    • SearchSearch for exclusive Higgs and Z boson decays to ϕγ and ργ with the ATLAS detector for exclusive Higgs and Z boson decays to ϕγ and ργ with the ATLAS detector 

      Aaboud, Morad; Aad, Georges; Abbott, Brad; Abdinov, Ovsat Bahram oglu; Abeloos, Baptiste; Abidi, Syed Haider; AbouZeid, Hass; Abraham, Nadine L.; Abramowicz, Halina; Abreu, Henso; Buanes, Trygve; Dale, Ørjan; Eigen, Gerald; Liebig, Wolfgang; Lipniacka, Anna; Martin dit Latour, Bertrand; Mæland, Steffen; Stugu, Bjarne; Yang, Zongchang; Zalieckas, Justas; Bugge, Magnar Kopangen; Cameron, David Gordon; Catmore, James Richard; Feigl, Simon; Franconi, Laura; Garonne, Vincent; Gjelsten, Børge Kile; Gramstad, Eirik; Morisbak, Vanja; Oppen, Henrik; Ould-Saada, Farid; Raddum, Silje Hattrem; Read, Alexander Lincoln; Røhne, Ole Myren; Sandaker, Heidi; Serfon, Cédric; Stapnes, Steinar; Vadla, Knut Oddvar Høie; Abreu, Rômulo F.; Abulaiti, Yiming; Acharya, Bobby S.; Adachi, Shunsuke; Adamczyk, Leszek; Adelman, Jareed; Adersberger, Michael; Adye, Tim; Affolder, Anthony Allen; Afik, Yoav; Agatonovic-Jovin, Tatjana; Agheorghiesei, Catalin; ATLAS, Collaboration (Peer reviewed; Journal article, 2018-07-19)
      A search for the exclusive decays of the Higgs and Z bosons to a ϕ or ρ meson and a photon is performed with a pp collision data sample corresponding to an integrated luminosity of up to 35.6 fb−1 collected at 𝑠√=13 TeV ...

    • Seasonal and hemispheric asymmetries of F‐region polar cap plasma density: Swarm and CHAMP observations 

      Hatch, Spencer Mark; Haaland, Stein; Laundal, Karl Magnus; Moretto, Therese; Yau, Andrew; Bjoland, Lindis Merete; Reistad, Jone Peter; Ohma, Anders; Oksavik, Kjellmar (Journal article; Peer reviewed, 2020)
      One of the primary mechanisms of loss of Earth's atmosphere is the persistent “cold” ( urn:x-wiley:jgra:media:jgra56068:jgra56068-math-0001 20 eV) ion outflow that has been observed in the magnetospheric lobes over large ...

    • Seasonal and Solar Cycle Variations of Thermally Excited 630.0 nm Emissions in the Polar Ionosphere 

      Kwagala, Norah Kaggwa; Oksavik, Kjellmar; Lorentzen, Dag Arne; Johnsen, Magnar Gullikstad; Laundal, Karl Magnus (Peer reviewed; Journal article, 2018-08)
      Solar cycle and seasonal variations have been found in the occurrence of strong thermally excited 630.0 nm emissions in the polar ionosphere. Measurements from the European Incoherent Scatter Svalbard Radar have been used ...

    • Seasonality and drivers of water column optical properties on the northwestern Barents Sea shelf 

      Sandven, Håkon; Hamre, Børge; Petit, Tristan; Röttgers, Rudiger; Liu, Hongbo; Granskog, Mats (Journal article; Peer reviewed, 2023)
      Hydrographic and bio-optical measurements were conducted along a south–north transect on the northwestern Barents Sea shelf from early spring to late summer in 2021. Strong climate change manifestations observed in this ...

    • The Second AGILE MCAL Gamma-Ray Burst Catalog: 13 yr of Observations 

      Ursi, A.; Romani, M.; Verrecchia, F.; Pittori, C.; Tavani, M.; Marisaldi, Martino; Galli, M.; Labanti, C.; Parmiggiani, N.; Bulgarelli, A.; Addis, A.; Baroncelli, L.; Cardillo, M.; Casentini, C.; Cattaneo, P.W.; Chen, A.; Di Piano, Piano; Fuschino, F.; Longo, F.; Lucarelli, F.; Morselli, A.; Piano, G.; Vercellone, S. (Journal article; Peer reviewed, 2022)
      We present the results of a systematic search and analysis of GRBs detected by the Astrorivelatore Gamma ad Immagini LEggero (AGILE) MiniCALorimeter (MCAL; 0.4–100 MeV) over a time frame of 13 yr, from 2007 to 2020 November. ...

    • The Second Catalog of Interplanetary Network Localizations of Konus Short-duration Gamma-Ray Bursts 

      Svinkin, D.S.; Hurley, K.; Ridnaia, A.V.; Lysenko, A.L.; Frederiks, D.D.; Golenetskii, S.V.; Tsvetkova, A.E.; Ulanov, M.V.; Kokomov, A.; Cline, T.L.; Mitrofanov, I.; Golovin, D.; Kozyrev, A.; Litvak, M.; Sanin, A.; Goldstein, A.; Briggs, M.S.; Wilson-Hodge, C.; Burns, E.; Von Kienlin, Kienlin; Zhang, X.-L.; Rau, A.; Savchenko, V.; Bozzo, E.; Ferrigno, C.; Barthelmy, S.; Cummings, J.; Krimm, H.; Palmer, D.M.; Tohuvavohu, A.; Yamaoka, K.; Ohno, M.; Fukazawa, Y.; Hanabata, Y.; Takahashi, T.; Tashiro, M.; Terada, Y.; Murakami, T.; Makishima, K.; Boynton, W.; Fellows, C.W.; Harshman, K.P.; Enos, H.; Starr, R.; Goldsten, J.; Gold, R.; Ursi, A.; Tavani, M.; Bulgarelli, A.; Casentini, C.; Del Monte, Monte; Evangelista, Y.; Galli, M.; Longo, F.; Marisaldi, Martino; Parmiggiani, N.; Pittori, C.; Romani, M.; Verrecchia, F.; Smith, D.M.; Hajdas, W.; Xiao, S.; Cai, C.; Yi, Q.B.; Zhang, Y.Q.; Xiong, S.L.; Li, X.B.; Huang, Y.; Li, C.K.; Zhang, S.N.; Song, L.M.; Liu, C.Z.; Li, X.Q.; Peng, W.X.; Martinez-Castellanos, I. (Journal article; Peer reviewed, 2022)
      We present the catalog of InterPlanetary Network (IPN) localizations for 199 short-duration gamma-ray bursts (sGRBs) detected by the Konus-Wind (KW) experiment between 2011 January 1 and 2021 August 31, which extends the ...

    • The seeding of ice algal blooms in Arctic pack ice: The multiyear ice seed repository hypothesis 

      Olsen, Lasse Mork; Laney, Samuel R.; Duarte, Pedro; Kauko, Hanna M.; Fernández-Méndez, Mar; Mundy, Christopher John; Rösel, Anja; Meyer, Amelie; Itkin, Polona; Cohen, Lana; Peeken, Ilka; Tatarek, Agnieszka; Róźańska-Pluta, Magdalena; Wiktor, Josef; Taskjelle, Torbjørn; Pavlov, Alexey; Hudson, Stephen R.; Granskog, Mats A.; Hop, Haakon; Assmy, Philipp (Peer reviewed; Journal article, 2017-07)
      During the Norwegian young sea ICE expedition (N-ICE2015) from January to June 2015 the pack ice in the Arctic Ocean north of Svalbard was studied during four drifts between 83° and 80°N. This pack ice consisted of a mix ...

    • A seismic field test with a Low level Acoustic Combustion Source and Pseudo Noise codes 

      Askeland, Bjørn; Ruud, Bent; Hobæk, Halvor; Mjelde, Rolf (Journal article, 2007-01-20)
      The Low level Acoustic Combustion Source (LACS) is a new type of pulsed underwater acoustic source with an output level of 0.5-1.0 barm peak to peak. The source is based on a combustion engine and intended for shallow ...

    • Selected aspects of turbulence and combustion in 20-litre explosion vessels : development of experimental apparatus and experimental investigation 

      Skjold, Trygve (Master thesis, 2003)

    • The self-discharging of supercapacitors interpreted in terms of a distribution of rate constants 

      Helseth, Lars Egil (Journal article; Peer reviewed, 2021)
      Supercapacitors are prone to self-discharging, which is most often measured as a voltage decrease with time under open circuit conditions. It is of substantial interest to find simple and general methods to extract information ...

    • Semirelativistic Schrödinger Equation for Relativistic Laser-Matter Interactions 

      Kjellsson Lindblom, Tor; Førre, Morten; Lindroth, Eva; Selstø, Sølve (Peer reviewed; Journal article, 2018-12)
      A semirelativistic formulation of light-matter interaction is derived using the so called propagation gauge and the relativistic mass shift. We show that relativistic effects induced by a superintense laser field can, to ...

    • Separation and quantification of ionospheric convection sources: 1. A new technique 

      Reistad, Jone Peter; Laundal, Karl Magnus; Østgaard, Nikolai; Ohma, Anders; Haaland, Stein; Oksavik, Kjellmar; Milan, Stephen Eric (Peer reviewed; Journal article, 2019-07-04)
      This paper describes a novel technique that allows separation and quantification of different sources of convection in the high‐latitude ionosphere. To represent the ionospheric convection electric field, we use the Spherical ...