Blar i Bergen Open Research Archive på forfatter "Ahlen, Steven"
-
Combination of inclusive and differential tt¯ charge asymmetry measurements using ATLAS and CMS data at √s=7 and 8 TeV
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; 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; Read, Alexander Lincoln; Røhne, Ole Myren; Sandaker, Heidi; Serfon, Cédric; Stapnes, Steinar; Vadla, Knut Oddvar Høie; Abulaiti, Yiming; Acharya, Bobby S.; Adachi, Shunsuke; Adamczyk, Leszek; Adelman, Jareed; Adersberger, Michael; Adye, Tim; Affolder, Anthony Allen; Afik, Yoav; Agheorghiesei, Catalin; Aguilar Saavedra, Juan Antonio; Ahlen, Steven; Ahmadov, Faig; ATLAS, Collaboration (Peer reviewed; Journal article, 2018-04-09)This paper presents combinations of inclusive and differential measurements of the charge asymmetry (AC) in top quark pair (tt¯) events with a lepton+jets signature by the ATLAS and CMS Collaborations, using data from LHC ... -
Comprehensive measurements of \(t\)-channel single top-quark production cross sections at \(\sqrt{s} = 7\) TeV with the ATLAS detector
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; Martin dit Latour, Bertrand; Kastanas, Alex; Liebig, Wolfgang; Lipniacka, Anna; Rosendahl, Peter Lundgaard; Sandaker, Heidi; Sjursen, Therese B.; Smestad, Lillian; Stugu, Bjarne; Ugland, Maren; Bugge, Lars; Bugge, Magnar Kopangen; Cameron, David Gordon; Catmore, James Richard; Czyczula, Zofia; Franconi, Laura; Gjelsten, Børge Kile; Gramstad, Eirik; Ould-Saada, Farid; Pajchel, Katarina; Pedersen, Maiken; Read, Alexander Lincoln; Røhne, Ole Myren; Stapnes, Steinar; Strandlie, Are; Abreu, Henso; Abreu, Rômulo F.; Adamczyk, Leszek; Adelman, Jareed; Adomeit, Stefanie; Adye, Tim; Agatonovic-Jovin, Tatjana; Aguilar Saavedra, Juan Antonio; Agustoni, Marco; Ahlen, Steven; Åkerstedt, Henrik; Åkesson, Torsten P.A.; ATLAS, Collaboration (Peer reviewed; Journal article, 2014-12-11)This article presents measurements of the \(t\).channel single top-quark \(t\) and top-antiquark \(\bar{t}\) total production cross sections \(\sigma(tq)\) and \(\sigma(\bar{t}q)\). their ratio \(R_{t}=\sigma(tq)/\si ... -
Evidence for electroweak production of W±W±jj in pp collisions at √s =8 TeV with the ATLAS detector
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; Bugge, Magnar Kopangen; Cameron, David Gordon; Catmore, James Richard; Czyczula, Zofia; Gjelsten, Børge Kile; Ould-Saada, Farid; Pajchel, Katarina; Pedersen, Maiken; Read, Alexander Lincoln; Røhne, Ole Myren; Stapnes, Steinar; Strandlie, Are; Gramstad, Eirik; Abreu, Henso; Abreu, Rômulo F.; Adamczyk, Leszek; Adams, David; Adelman, Jareed; Adomeit, Stefanie; Adye, Tim; Agatonovic-Jovin, Tatjana; Aguilar Saavedra, Juan Antonio; Agustoni, Marco; Ahlen, Steven; Aielli, Giulio; Åkerstedt, Henrik; ATLAS, Collaboration (Peer reviewed; Journal article, 2014-10-03)This Letter presents the first study of W±W±jj, same-electric-charge diboson production in association with two jets, using 20.3 fb−1 of proton-proton collision data at s√=8 TeV recorded by the ATLAS detector at the Large ... -
Evidence for the associated production of the Higgs boson and a top quark pair 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; 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; Morisbak, Vanja; Oppen, Henrik; Ould-Saada, Farid; Read, Alexander Lincoln; Røhne, Ole Myren; Sandaker, Heidi; Serfon, Cédric; Stapnes, Steinar; Vadla, Knut Oddvar Høie; Abulaiti, Yiming; Acharya, Bobby S.; Adachi, Shunsuke; Adamczyk, Leszek; Adelman, Jareed; Adersberger, Michael; Adye, Tim; Affolder, Anthony Allen; Afik, Yoav; Agheorghiesei, Catalin; Aguilar Saavedra, Juan Antonio; Ahlen, Steven; Ahmadov, Faig; Aielli, Giulio; ATLAS, Collaboration (Peer reviewed; Journal article, 2018-04-09)A search for the associated production of the Higgs boson with a top quark pair (t¯tH) is reported. The search is performed in multilepton final states using a data set corresponding to an integrated luminosity of 36.1 fb−1 ... -
Flavour tagged time dependent angular analysis of the \(B_s^{0} \rightarrow J/\psi \phi\) decay and extraction of \(\Delta\Gamma_s\) and the weak phase \(\phi_s\) in ATLAS
Aad, Georges; Abajyan, Tatevik; Abbott, Brad; Abdallah, Jalal; Abdel Khalek, Samah; Abdinov, Ovsat Bahram oglu; Aben, Rosemarie; Abi, Babak; Buanes, Trygve; Dale, Ørjan; Eigen, Gerald; Kastanas, Alex; Liebig, Wolfgang; Lipniacka, Anna; Rosendahl, Peter Lundgaard; Sandaker, Heidi; Sjursen, Therese B.; Stugu, Bjarne; Ugland, Maren; Bugge, Lars; Bugge, Magnar Kopangen; Cameron, David Gordon; Czyczula, Zofia; Gjelsten, Børge Kile; Gramstad, Eirik; Ould-Saada, Farid; Pajchel, Katarina; Pedersen, Maiken; Pylypchenko, Yuriy; Read, Alexander Lincoln; Røhne, Ole Myren; Smestad, Lillian; Stapnes, Steinar; Strandlie, Are; Abolins, Maris; AbouZeid, Hass; Abramowicz, Halina; Abreu, Henso; Adamczyk, Leszek; Adams, David; Addy, Tetteh N.; Adelman, Jareed; Adomeit, Stefanie; Adye, Tim; Agatonovic-Jovin, Tatjana; Aguilar Saavedra, Juan Antonio; Agustoni, Marco; Aharrouche, Mohamed; Ahlen, Steven; Ahmad, Aharrouche; ATLAS, Collaboration (Peer reviewed; Journal article, 2014-09)A measurement of the \(B_s ^{0}\rightarrow J/\psi \phi\) decay parameters, updated to include flavour tagging is reported using \(4.9 fb^{-1}\) of integrated luminosity collected by the ATLAS detector from \(\sqrt{s}= ... -
Jet energy measurement and its systematic uncertainty in proton–proton collisions at √s=7TeV with the ATLAS detector
Aad, Georges; Abajyan, Tatevik; Abbott, Brad; Abdel Khalek, Samah; Abdinov, Ovsat Bahram oglu; Aben, Rosemarie; Abi, Babak; Abolins, Maris; AbouZeid, Hass; Abramowicz, Halina; Buanes, Trygve; Burgess, Thomas; Eigen, Gerald; Kastanas, Alex; Liebig, Wolfgang; Lipniacka, Anna; Rosendahl, Peter Lundgaard; Sandaker, Heidi; Sjursen, Therese B.; Stugu, Bjarne; Ugland, Maren; Bugge, Lars; Bugge, Magnar Kopangen; Cameron, David Gordon; Czyczula, Zofia; Gjelsten, Børge Kile; Gramstad, Eirik; Lund, Esben; Ould-Saada, Farid; Pajchel, Katarina; Pedersen, Maiken; Pylypchenko, Yuriy; Read, Alexander Lincoln; Røhne, Ole Myren; Smestad, Lillian; Stapnes, Steinar; Strandlie, Are; Abreu, Henso; Adamczyk, Leszek; Adams, David; Addy, Tetteh N.; Adelman, Jareed; Adomeit, Stefanie; Adye, Tim; Aefsky, Scott Alan; Agatonovic-Jovin, Tatjana; Aguilar Saavedra, Juan Antonio; Agustoni, Marco; Ahlen, Steven; Ahmad, Aharrouche; ATLAS, Collaboration (Peer reviewed; Journal article, 2015-01-15)The jet energy scale (JES) and its systematic uncertainty are determined for jets measured with the ATLAS detector using proton–proton collision data with a centre-of-mass energy of s√=7 TeV corresponding to an integrated ... -
Light-quark and gluon jet discrimination in pp collisions at √s = 7 TeV with the ATLAS detector
Aad, Georges; Abbott, Brad; Abdel Khalek, Samah; Abdinov, Ovsat Bahram oglu; Aben, Rosemarie; Abi, Babak; Abolins, Maris; AbouZeid, Hass; Abramowicz, Halina; Abreu, Henso; 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; Bugge, Magnar Kopangen; Cameron, David Gordon; Catmore, James Richard; Czyczula, Zofia; Gjelsten, Børge Kile; Gramstad, Eirik; Ould-Saada, Farid; Pajchel, Katarina; Pedersen, Maiken; Pylypchenko, Yuriy; Read, Alexander Lincoln; Røhne, Ole Myren; Stapnes, Steinar; Strandlie, Are; Abreu, Rômulo F.; Adamczyk, Leszek; Adams, David; Adelman, Jareed; Adomeit, Stefanie; Adye, Tim; Agatonovic-Jovin, Tatjana; Aguilar Saavedra, Juan Antonio; Agustoni, Marco; Ahlen, Steven; Ahmad, Aharrouche; Åkesson, Torsten P.A.; ATLAS, Collaboration (Peer reviewed; Journal article, 2014-08-21)A likelihood-based discriminant for the identification of quark- and gluon-initiated jets is built and validated using 4.7 fb−1 of proton–proton collision data at √s = 7 TeV collected with the ATLAS detector at the LHC. ... -
Measurement of differential cross sections and W+/W− cross-section ratios for W boson production in association with jets at s√=8 TeV 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; Morisbak, Vanja; 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; 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; Agheorghiesei, Catalin; Aguilar Saavedra, Juan Antonio; Ahlen, Steven; ATLAS, Collaboration (Peer reviewed; Journal article, 2018-05-11)This paper presents a measurement of the W boson production cross section and the W +/W − cross-section ratio, both in association with jets, in proton-proton collisions at 𝑠√=8 TeV with the ATLAS experiment at the Large ... -
Measurement of the azimuthal anisotropy for charged particle production in \(\sqrt{s_{NN}}\) = 2.76 TeV lead-lead collisions with the ATLAS detector
Aad, Georges; Abbott, Brad; Abdallah, Jalal; Abdel Khalek, Samah; Abdelalim, Ahmed Ali; Abdesselam, Abdel; Abdinov, Ovsat Bahram oglu; Abi, Babak; Abolins, Maris; AbouZeid, Hass; Buanes, Trygve; Burgess, Thomas; Eigen, Gerald; Johansen, Lars Gimmestad; Kastanas, Alex; Liebig, Wolfgang; Lipniacka, Anna; Rosendahl, Peter Lundgaard; Sandaker, Heidi; Sjursen, Therese B.; Stugu, Bjarne; Tonoyan, Arshak; Ugland, Maren; Bugge, Lars; Buran, Torleiv; Cameron, David Gordon; Czyczula, Zofia; Gjelsten, Børge Kile; Lund, Esben; Ould-Saada, Farid; Pajchel, Katarina; Pylypchenko, Yuriy; Read, Alexander Lincoln; Røhne, Ole Myren; Samset, Bjørn Hallvard; Stapnes, Steinar; Strandlie, Are; Abramowicz, Halina; Acerbi, Emilio; Adamczyk, Leszek; Adams, David; Addy, Tetteh N.; Adelman, Jareed; Adomeit, Stefanie; Adragna, Paolo; Adye, Tim; Aefsky, Scott Alan; Aguilar Saavedra, Juan Antonio; Aharrouche, Mohamed; Ahlen, Steven; ATLAS, Collaboration (Peer reviewed; Journal article, 2012-07-24)Differential measurements of charged particle azimuthal anisotropy are presented for lead-lead collisions at \(\sqrt{s_{NN}}\) = 2.76 TeV with the ATLAS detector at the LHC, based on an integrated luminosity of approximately ... -
Measurement of the b-hadron production cross section using decays to D*+ μ − X final states in pp collisions at √s = 7 TeV with the ATLAS detector
Buanes, Trygve; Burgess, Thomas; Eigen, Gerald; Kastanas, Alex; Liebig, Wolfgang; Lipniacka, Anna; Rosendahl, Peter Lundgaard; Sandaker, Heidi; Sjursen, Therese B.; Stugu, Bjarne Sandvik; Tonoyan, Arshak; Ugland, Maren; Bugge, Lars; Buran, Torleiv; Cameron, David Gordon; Czyczula, Zofia; Gjelsten, Børge Kile; Lund, Esben; Ould-Saada, Farid; Pajchel, Katarina; Pylypchenko, Yuriy; Read, Alexander Lincoln; Røhne, Ole Myren; Samset, Bjørn Hallvard; Stapnes, Steinar; Strandlie, Are; Aad, Georges; Abbott, Brad; Abdallah, Jalal; Abdel Khalek, Samah; Abdelalim, Ahmed Ali; Abdesselam, Abdel; Abdinov, Ovsat Bahram oglu; Abi, Babak; Abolins, Maris; AbouZeid, Hass; Abramowicz, Halina; Abreu, Henso; Acerbi, Emilio; Adams, David; Addy, Tetteh N.; Adelman, Jareed; Aderholz, Michael; Adomeit, Stefanie; Adragna, Paolo; Adye, Tim; Aefsky, Scott Alan; Aharrouche, Mohamed; Ahlen, Steven; Ahles, Florian (Peer reviewed; Journal article, 2012-11-21)The b-hadron production cross section is measured with the ATLAS detector in pp collisions at √s = 7 TeV, using 3.3 pb−1 of integrated luminosity, collected during the 2010 LHC run. The b-hadrons are selected by partially ... -
Measurement of the centrality and pseudorapidity dependence of the integrated elliptic flow in lead–lead collisions at √sNN=2.76TeV with the ATLAS detector
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; Bugge, Magnar Kopangen; Cameron, David Gordon; Catmore, James Richard; Czyczula, Zofia; Gjelsten, Børge Kile; Gramstad, Eirik; Ould-Saada, Farid; Pajchel, Katarina; Pedersen, Maiken; Read, Alexander Lincoln; Røhne, Ole Myren; Stapnes, Steinar; Strandlie, Are; Abreu, Henso; Abreu, Rômulo F.; Adamczyk, Leszek; Adams, David; Adelman, Jareed; Adomeit, Stefanie; Adye, Tim; Agatonovic-Jovin, Tatjana; Aguilar Saavedra, Juan Antonio; Agustoni, Marco; Åkesson, Torsten P.A.; Åsman, Barbro; Ahlen, Steven; ATLAS, Collaboration (Peer reviewed; Journal article, 2014-08)The integrated elliptic flow of charged particles produced in Pb+Pb collisions at √sNN=2.76 TeV has been measured with the ATLAS detector using data collected at the Large Hadron Collider. The anisotropy parameter, v₂ , ... -
Measurement of the cross-section of high transverse momentum vector bosons reconstructed as single jets and studies of jet substructure in \(pp\) collisions at \({\sqrt{s}}\) = 7 TeV with the ATLAS detector
Aad, Georges; Abajyan, Tatevik; Abbott, Brad; Abdallah, Jalal; Abdel Khalek, Samah; Abdinov, Ovsat Bahram oglu; Aben, Rosemarie; Abi, Babak; Abolins, Maris; AbouZeid, Hass; Buanes, Trygve; Dale, Ørjan; Eigen, Gerald; Kastanas, Alex; Liebig, Wolfgang; Lipniacka, Anna; Martin dit Latour, Bertrand; Rosendahl, Peter Lundgaard; Sandaker, Heidi; Sjursen, Therese B.; Stugu, Bjarne; Ugland, Maren; Bugge, Lars; Cameron, David Gordon; Czyczula, Zofia; Gjelsten, Børge Kile; Gramstad, Eirik; Ould-Saada, Farid; Pajchel, Katarina; Pedersen, Maiken; Pylypchenko, Yuriy; Read, Alexander Lincoln; Røhne, Ole Myren; Smestad, Lillian; Stapnes, Steinar; Strandlie, Are; Abramowicz, Halina; Abreu, Henso; Adamczyk, Leszek; Adams, David; Addy, Tetteh N.; Adelman, Jareed; Adomeit, Stefanie; Adye, Tim; Agatonovic-Jovin, Tatjana; Aguilar Saavedra, Juan Antonio; Agustoni, Marco; Ahlen, Steven; Åkesson, Torsten P.A.; Åsman, Barbro; ATLAS, Collaboration (Peer reviewed; Journal article, 2014-11)This paper presents a measurement of the cross-section for high transverse momentum \(W\) and \(Z\) bosons produced in \(pp\) collisions and decaying to all-hadronic final states. The data used in the analysis were recorded ... -
Measurement of the electroweak production of dijets in association with a Z-boson and distributions sensitive to vector boson fusion in proton-proton collisions at √s= 8 TeV using the ATLAS detector
Buanes, Trygve; Dale, Ørjan; Eigen, Gerald; Kastanas, Alex; Liebig, Wolfgang; Lipniacka, Anna; Rosendahl, Peter Lundgaard; Sandaker, Heidi; Sjursen, Therese B.; Stugu, Bjarne; Ugland, Maren; Bugge, Lars; Bugge, Magnar Kopangen; Cameron, David Gordon; Gjelsten, Børge Kile; Gramstad, Eirik; Ould-Saada, Farid; Pajchel, Katarina; Pedersen, Maiken; Read, Alexander Lincoln; Røhne, Ole Myren; Smestad, Lillian; Stapnes, Steinar; Strandlie, Are; Aad, Georges; Abajyan, Tatevik; Abbott, Brad; Abdallah, Jalal; Abdel Khalek, Samah; Abdinov, Ovsat Bahram oglu; Aben, Rosemarie; Abi, Babak; Abolins, Maris; AbouZeid, Hass; Abramowicz, Halina; Abreu, Henso; Adamczyk, Leszek; Addy, Tetteh N.; Adelman, Jareed; Adomeit, Stefanie; Adye, Tim; Agatonovic-Jovin, Tatjana; Aguilar Saavedra, Juan Antonio; Agustoni, Marco; Ahlen, Steven; Ahmad, Aharrouche; Åkesson, Torsten P.A.; Akimoto, Ginga; Akimov, Andrei; Aielli, Giulio; ATLAS, Collaboration (Peer reviewed; Journal article, 2014-04-07)Measurements of fiducial cross sections for the electroweak production of two jets in association with a Z-boson are presented. The measurements are performed using 20.3 fb−1 of proton-proton collision data collected at a ... -
Measurement of the forward-backward asymmetry of electron and muon pair-production in pp collisions at (Formula Presented.) = 7 TeV with the ATLAS detector
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; Bugge, Magnar Kopangen; Cameron, David Gordon; Catmore, James Richard; Czyczula, Zofia; Gjelsten, Børge Kile; Gramstad, Eirik; 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; Ahlen, Steven; ATLAS, Collaboration (Peer reviewed; Journal article, 2015-09-09)This paper presents measurements from the ATLAS experiment of the forward-backward asymmetry in the reaction pp → Z/γ * → l + l −, with l being electrons or muons, and the extraction of the effective weak mixing angle. The ... -
Measurement of the low-mass Drell-Yan differential cross section at √s = 7 TeV using the ATLAS detector
Buanes, Trygve; Dale, Ørjan; Eigen, Gerald; Kastanas, Alex; Liebig, Wolfgang; Lipniacka, Anna; Martin dit Latour, Bertrand; Rosendahl, Peter Lundgaard; Sandaker, Heidi; Sjursen, Therese B.; Stugu, Bjarne; Ugland, Maren; Bugge, Lars; Bugge, Magnar Kopangen; Cameron, David Gordon; Gjelsten, Børge Kile; Gramstad, Eirik; Ould-Saada, Farid; Pajchel, Katarina; Pedersen, Maiken; Read, Alexander Lincoln; Røhne, Ole Myren; Smestad, Lillian; Stapnes, Steinar; Strandlie, Are; Aad, Georges; Abajyan, Tatevik; Abbott, Brad; Abdallah, Jalal; Abdel Khalek, Samah; Abdinov, Ovsat Bahram oglu; Aben, Rosemarie; Abi, Babak; Abolins, Maris; AbouZeid, Hass; Abramowicz, Halina; Acerbi, Emilio; Adamczyk, Leszek; Adelman, Jareed; Adomeit, Stefanie; Adye, Tim; Agatonovic-Jovin, Tatjana; Aguilar Saavedra, Juan Antonio; Agustoni, Marco; Ahlen, Steven; Ahmad, Aharrouche; Aielli, Giulio; Åkesson, Torsten P.A.; Akimoto, Ginga; Akimov, Andrei; ATLAS, Collaboration (Peer reviewed; Journal article, 2014-06)The differential cross section for the process Z/γ ∗ → ℓℓ (ℓ = e, μ) as a function of dilepton invariant mass is measured in pp collisions at √s = 7 TeV at the LHC using the ATLAS detector. The measurement is performed in ... -
Measurement of the parity-violating asymmetry parameter αb and the helicity amplitudes for the decay Λb0 →J /ψ Λ0 with the ATLAS detector
Buanes, Trygve; Dale, Ørjan; Eigen, Gerald; Kastanas, Alex; Liebig, Wolfgang; Lipniacka, Anna; Martin dit Latour, Bertrand; Rosendahl, Peter Lundgaard; Sandaker, Heidi; Sjursen, Therese B.; Stugu, Bjarne; Ugland, Maren; Bugge, Lars; Bugge, Magnar Kopangen; Cameron, David Gordon; Czyczula, Zofia; Gjelsten, Børge Kile; Gramstad, Eirik; Ould-Saada, Farid; Pajchel, Katarina; Pedersen, Maiken; Pylypchenko, Yuriy; Read, Alexander Lincoln; Røhne, Ole Myren; Smestad, Lillian; Stapnes, Steinar; Strandlie, Are; Aad, Georges; Abajyan, Tatevik; Abbott, Brad; Abdallah, Jalal; Abdel Khalek, Samah; Abdinov, Ovsat Bahram oglu; Aben, Rosemarie; Abi, Babak; Abolins, Maris; AbouZeid, Hass; Abramowicz, Halina; Abreu, Henso; Adamczyk, Leszek; Adams, David; Adelman, Jareed; Adomeit, Stefanie; Adye, Tim; Agatonovic-Jovin, Tatjana; Aguilar Saavedra, Juan Antonio; Agustoni, Marco; Ahlen, Steven; Ahmad, Aharrouche; Aielli, Giulio; ATLAS, Collaboration (Peer reviewed; Journal article, 2014-05-27)A measurement of the parity-violating decay asymmetry parameter, αb, and the helicity amplitudes for the decay Λ0b→J/ψ(μ+μ−)Λ0(pπ−) is reported. The analysis is based on 1400 Λ0b and Λ¯0b baryons selected in 4.6 fb−1 of ... -
Measurement of the production cross section of three isolated photons in pp collisions at √s = 8 TeV using 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; 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; Morisbak, Vanja; Oppen, Henrik; Ould-Saada, Farid; Read, Alexander Lincoln; Røhne, Ole Myren; Sandaker, Heidi; Serfon, Cédric; Stapnes, Steinar; Vadla, Knut Oddvar Høie; Abulaiti, Yiming; Acharya, Bobby S.; Adachi, Shunsuke; Adamczyk, Leszek; Adelman, Jareed; Adersberger, Michael; Adye, Tim; Affolder, Anthony Allen; Afik, Yoav; Agheorghiesei, Catalin; Aguilar Saavedra, Juan Antonio; Ahlen, Steven; Ahmadov, Faig; ATLAS, Collaboration (Peer reviewed; Journal article, 2018-03-23)A measurement of the production of three isolated photons in proton–proton collisions at a centre-of-mass energy TeV is reported. The results are based on an integrated luminosity of 20.2 fb−1 collected with the ATLAS ... -
Measurements of four-lepton production at the Z resonance in pp collisions at √s = 7 and 8 TeV with ATLAS
Buanes, Trygve; Dale, Ørjan; Eigen, Gerald; Kastanas, Alex; Liebig, Wolfgang; Lipniacka, Anna; Rosendahl, Peter Lundgaard; Sandaker, Heidi; Sjursen, Therese B.; Smestad, Lillian; Stugu, Bjarne; Ugland, Maren; Bugge, Lars; Bugge, Magnar Kopangen; Cameron, David Gordon; Catmore, James Richard; Czyczula, Zofia; Gjelsten, Børge Kile; Gramstad, Eirik; Ould-Saada, Farid; Pedersen, Maiken; Pylypchenko, Yuriy; Read, Alexander Lincoln; Røhne, Ole Myren; Stapnes, Steinar; Strandlie, Are; Aad, Georges; Abbott, Brad; Abdallah, Jalal; Abdel Khalek, Samah; Abdinov, Ovsat Bahram oglu; Aben, Rosemarie; Abi, Babak; Abolins, Maris; AbouZeid, Hass; Abramowicz, Halina; Abreu, Henso; Abreu, Rômulo F.; Adamczyk, Leszek; Adams, David; Adelman, Jareed; Adomeit, Stefanie; Agatonovic-Jovin, Tatjana; Aguilar Saavedra, Juan Antonio; Agustoni, Marco; Aharrouche, Mohamed; Ahlen, Steven; Ahmad, Aharrouche; Åkesson, Torsten P.A.; Akimov, Andrei; ATLAS, Collaboration (Peer reviewed; Journal article, 2014-06-13)Measurements of four-lepton (4ℓ, ℓ=e,μ) production cross sections at the Z resonance in pp collisions at the LHC with the ATLAS detector are presented. For dilepton and four-lepton invariant mass regions mℓ+ℓ−>5 GeV and ... -
Measurements of top quark pair relative differential cross-sections with ATLAS in pp collisions at root s=7 TeV
Buanes, Trygve; Burgess, Thomas; Eigen, Gerald; Kastanas, Alex; Liebig, Wolfgang; Lipniacka, Anna; Rosendahl, Peter Lundgaard; Sandaker, Heidi; Sjursen, Therese B.; Stugu, Bjarne Sandvik; Tonoyan, Arshak; Ugland, Maren; Bugge, Lars; Buran, Torleiv; Cameron, David Gordon; Czyczula, Zofia; Gjelsten, Børge Kile; Lund, Esben; Ould-Saada, Farid; Pajchel, Katarina; Pylypchenko, Yuriy; Read, Alexander Lincoln; Røhne, Ole Myren; Samset, Bjørn Hallvard; Stapnes, Steinar; Strandlie, Are; Aad, Georges; Abajyan, Tatevik; Abbott, Brad; Abdallah, Jalal; Abdel Khalek, Samah; Abdelalim, Ahmed Ali; Abdesselam, Abdel; Abdinov, Ovsat Bahram oglu; Abi, Babak; Abolins, Maris; AbouZeid, Hass; Abramowicz, Halina; Abreu, Henso; Acerbi, Emilio; Adams, David; Addy, Tetteh N.; Adelman, Jareed; Adomeit, Stefanie; Adragna, Paolo; Adye, Tim; Aefsky, Scott Alan; Aharrouche, Mohamed; Ahlen, Steven; Ahles, Florian; ATLAS, Collaboration (Peer reviewed; Journal article, 2013-01-15)Measurements are presented of differential cross-sections for top quark pair production in pp collisions at s√=7 TeV relative to the total inclusive top quark pair production cross-section. A data sample of 2.05 fb−1 ... -
Muon reconstruction efficiency and momentum resolution of the ATLAS experiment in proton–proton collisions at √s=7 TeV in 2010
Aad, Georges; Abajyan, Tatevik; Abbott, Brad; Abdallah, Jalal; Abdel Khalek, Samah; Buanes, Trygve; Burgess, Thomas; Eigen, Gerald; Kastanas, Alex; Liebig, Wolfgang; Lipniacka, Anna; Rosendahl, Peter Lundgaard; Sjursen, Therese B.; Stugu, Bjarne; Tonoyan, Arshak; Ugland, Maren; Bugge, Lars; Buran, Torleiv; Cameron, David Gordon; Czyczula, Zofia; Gjelsten, Børge Kile; Gramstad, Eirik; Lund, Esben; Ould-Saada, Farid; Pajchel, Katarina; Pylypchenko, Yuriy; Pedersen, Maiken; Read, Alexander Lincoln; Røhne, Ole Myren; Smestad, Lillian; Stapnes, Steinar; Strandlie, Are; Abdinov, Ovsat Bahram oglu; Aben, Rosemarie; Abi, Babak; Abolins, Maris; AbouZeid, Hass; Abramowicz, Halina; Abreu, Henso; Abreu, Rômulo F.; Acerbi, Emilio; Adamczyk, Leszek; Adams, David; Addy, Tetteh N.; Adelman, Jareed; Adomeit, Stefanie; Adye, Tim; Aefsky, Scott Alan; Agatonovic-Jovin, Tatjana; Aguilar Saavedra, Juan Antonio; Agustoni, Marco; Ahlen, Steven; Aharrouche, Mohamed; ATLAS, Collaboration (Peer reviewed; Journal article, 2014-09)This paper presents a study of the performance of the muon reconstruction in the analysis of proton–proton collisions at √s = 7TeV at the LHC, recorded by the ATLAS detector in 2010. This performance is described in terms ...