# ATLAS Preprints

2015-05-22
20:08
 A search for $t\bar{t}$ resonances using lepton-plus-jets events in proton--proton collisions at $\sqrt{s} = 8$ TeV with the ATLAS detector A search for new particles that decay into top quark pairs is reported. [...] CERN-PH-EP-2015-090. - 2015. Fulltext - Previous draft version

2015-05-16
06:47
 Search for production of vector-like quark pairs and of four top quarks in the lepton-plus-jets final state in $pp$ collisions at $\sqrt{s}=8$ TeV with the ATLAS detector / ATLAS Collaboration A search for pair production of vector-like quarks, both up-type ($T$) and down-type ($B$), as well as for four-top-quark production, is presented. [...] CERN-PH-EP-2015-095 ; arXiv:1505.04306. - 2015. - 67 p. Previous draft version - Full text - Full text

2015-05-07
07:57
 Search for Higgs bosons decaying to $aa$ in the $\mu\mu\tau\tau$ final state in $pp$ collisions at $\sqrt{s} =$ 8 TeV with the ATLAS experiment / ATLAS Collaboration A search for the decay to a pair of new particles of either the 125 GeV Higgs boson ($h$) or a second CP-even Higgs boson ($H$) is presented. [...] CERN-PH-EP-2015-057 ; arXiv:1505.01609. - 2015. - 11 p. Previous draft version - Full text - Full text

2015-04-22
11:41
 The Serial Link Processor for the Fast TracKer (FTK) processor at ATLAS / Biesuz, Nicolo Vladi (INFN Pisa and Universita' di Pisa, Dipartimento di Fisica) ; Citraro, Saverio (INFN Pisa and Universita' di Pisa, Dipartimento di Fisica) ; Luciano, Pierluigi (INFN Pisa and Universita' di Pisa, Dipartimento di Fisica) ; Magalotti, Daniel (INFN Laboratori Nazionali di Frascati) ; Rossi, Enrico (INFN Pisa and Universita' di Pisa, Dipartimento di Fisica) The Associative Memory (AM) system of the Fast Tracker (FTK) processor has been designed to perform pattern matching using the hit information of the ATLAS experiment silicon tracker. [...] ATL-DAQ-PROC-2015-004. - 2015. - 2 p. Original Communication (restricted to ATLAS) - Full text - Full text

2015-04-21
18:39
 Measurements of the Total and Differential Higgs Boson Production Cross Sections Combining the $H \rightarrow \gamma \gamma$ and $H \rightarrow ZZ ^{*}\rightarrow 4\ell$ Decay Channels at $\sqrt{s}=8$ TeV with the ATLAS Detector / ATLAS Collaboration Measurements of the total and differential cross sections of Higgs boson production are performed using 20.3~fb$^{-1}$ of $pp$ collisions produced by the Large Hadron Collider at a center-of-mass energy of $\sqrt{s} = 8$ TeV and recorded by the ATLAS detector. [...] arXiv:1504.05833 ; CERN-PH-EP-2015-048. - 2015. - 6 p. Previous draft version - Preprint - Full text

2015-04-21
18:28
 Search for high-mass diphoton resonances in $pp$ collisions at $\sqrt{s}=8$ TeV with the ATLAS detector / ATLAS Collaboration This article describes a search for high-mass resonances decaying to a pair of photons using a sample of $20.3$ fb$^{-1}$ of $pp$ collisions at $\sqrt{s}=8$ TeV recorded with the ATLAS detector at the Large Hadron Collider. [...] arXiv:1504.05511 ; CERN-PH-EP-2015-043. - 2015. - 14 p. Previous draft version - Preprint - Full text

2015-04-21
17:42
 Top quark property measurements with ATLAS / Rudolph, Matthew Scott (Department of Physics, University of Toronto) This contribution covers recent results on the properties of the top quark as measured with the ATLAS detector at the Large Hadron Collider, using data collected at center-of-mass energies of 7 and 8 TeV during 2011 and 2012. [...] ATL-PHYS-PROC-2015-015. - 2015. - 8 p. Original Communication (restricted to ATLAS) - Full text

2015-04-20
17:20
 Search for massive, long-lived particles using multitrack displaced vertices or displaced lepton pairs in pp collisions at $\sqrt{s}$ = 8 TeV with the ATLAS detector / ATLAS Collaboration Many extensions of the Standard Model posit the existence of heavy particles with long lifetimes. [...] arXiv:1504.05162 ; CERN-PH-EP-2015-065. - 2015. - 25 p. Previous draft version - Preprint - Full text

2015-04-20
15:18
 Fast Tracker (FTK): A Hardware Track Finder for the ATLAS Trigger / Mitani, Takashi (Waseda University, Waseda Research Institute for Science and engineering (WISE)) ; ATLAS Collaboration (Waseda University, Waseda Research Institute for Science and engineering (WISE)) During the 2010-2012 run of Large Hadron Collider experiment, the ATLAS trigger system was successfully operated and it contributed to several important results such as observation of Higgs boson with a mass of about 125 GeV. [...] ATL-DAQ-PROC-2015-003. - 2015. - 4 p. Original Communication (restricted to ATLAS) - Full text

2015-04-20
14:58
 FTK Input Mezzanine and Data Formatter for the Fast Tracker at ATLAS / Iizawa, Tomoya (Waseda University, Waseda Research Institute for Science and engineering (WISE)) The Fast Tracker (FTK) is an integral part of trigger upgrade program for the ATLAS detector. [...] ATL-DAQ-PROC-2015-002. - 2015. - 3 p. Original Communication (restricted to ATLAS) - Full text