2018-07-19
16:45 |
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2018-07-17
17:40 |
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2018-07-17
10:43 |
Search and measurement of the SM Higgs boson
/ Donato, Silvio (Zurich U.)
/ATLAS and CMS Collaborations
After the success of the LHC Run-1 physics program, the ATLAS and CMS Collaborations have presented their results obtained with the first $\sim 36\,\textnormal{fb}^{-1}$ of integrated luminosity delivered by the LHC at $\sqrt{s} = 13\,\textnormal{TeV}$ in Run-2. We present the main results obtained on the Standard Model Higgs boson, including the searches for specific decay and production channels, and the measurements of the Higgs boson couplings and differential cross section..
CMS-CR-2018-114.-
Geneva : CERN, 2018 - 10 p.
Fulltext: PDF;
In : XXXII Rencontres de Physique de La Vallée d'Aoste, La Thuile(ao), Italy, 25 Feb - 3 Mar 2018
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2018-07-14
04:14 |
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The Study of Multi-Layer sTGC Test System for ATLAS Phase-I upgrade
/ Li, Feng (Hefei, CUST) ; Wang, Xinxin (Hefei, CUST) ; Miao, Peng (Hefei, CUST) ; Zhou, Shuang (Hefei, CUST) ; Zhang, Zhilei (Hefei, CUST) ; Geng, Tianru (Hefei, CUST) ; Liu, Shengquan (Hefei, CUST) ; Jin, Ge (Hefei, CUST)
A completely New Small Wheel (NSW) will be constructed for ATLAS Phase-1 upgrade. [...]
arXiv:1806.09052.
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3 p.
Fulltext
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2018-07-14
04:14 |
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2018-07-14
01:10 |
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2018-07-13
14:53 |
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Search for Higgs boson pair production in the $\gamma\gamma b\bar{b}$ final state with 13 TeV $pp$ collision data collected by the ATLAS experiment
/ ATLAS Collaboration
A search is performed for resonant and non-resonant Higgs boson pair production in the $\gamma\gamma b\bar{b}$ final state. [...]
arXiv:1807.04873 ; CERN-EP-2018-130.
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2018. - 42 p.
Full text - 00012 : - 00015 : - 00022 : Caption not extracted - 00020 : - 00018 : - 00014 : - 00021 : - 00017 : Leading-order production modes for Higgs boson pairs. In the SM, there is destructive interference between (a) the heavy-quark loop and (b) the Higgs self-coupling production modes, which reduces the overall \xs. BSM Higgs boson pair production could proceed through changes to the Higgs couplings, for example the \ttH or $HHH$ couplings which contribute to (a) and (b), or through an intermediate resonance, $X$, which could, for example, be produced through a quark loop as shown in (c). - 00013 The expected and observed 95\% CL limits on the resonant production \xs, $\xsX \times \mathcal{B}\left(X \rightarrow \hh\right)$ as a function of \mX. The loose selection is used for $\mX \leq 500\GeV$, while the tight selection is used for $\mX \geq 500\GeV$. This is delineated with the blue dashed line. - 00016 : - 00023 : The expected and observed 95\% CL limits on the non-resonant production \xs \xsHH (a) for the SM-optimised limit using the tight selection and (b) as a function of $\kappa_\lambda$ using the loose selection. In (a) the red line indicates the 95\% confidence level. The intersection of this line with the observed, expected, and $\pm1\sigma$ and $\pm2\sigma$ bands is the location of the limits. In (b) the red line indicates the predicted \hh \xs if \khhh is varied but all other couplings remain at their SM values. The red band indicates the theoretical uncertainty of this prediction. - 00019 : Caption not extracted - Fulltext - Fulltext
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2018-07-13
09:13 |
State and Prospects of BSM Searches at the LHC
/ Spiezia, Aniello (Beijing, Inst. High Energy Phys.)
/ATLAS and CMS Collaborations
In the last years, the ATLAS and CMS experiments at LHC have recorded more than 100 fb$^{-1}$ of data that are used to investigate with high precision many aspects of high energy physics. In this conference proceeding, I will review the most recent and interesting results related to the search of new physics at the ATLAS and CMS experiments..
CMS-CR-2018-069.-
Geneva : CERN, 2018 - 11 p.
Fulltext: PDF;
In : an Alpine LHC Physics Summit, Obergurgl, Austria, 15 - 20 Apr 2018
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2018-07-13
04:46 |
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2018-07-12
09:12 |
Collider studies on jet and heavy flavour properties
/ Candelise, Vieri (INFN, Trieste ; Trieste U.)
/ALICE,ATLAS,CMS and LHCB Collaborations
The Large Hadron Collider at CERN is the world's most efficient jet factory. In this report the properties of jets will be discussed, with focus on reconstructed jets in the ATLAS, CMS and LHCb experiments. [...]
CMS-CR-2018-075.-
Geneva : CERN, 2018 - 12 p.
Fulltext: PDF;
In : XXVI International Workshop on Deep Inelastic Scattering and Related Subjects, Kobe, Hyogo, Japan, 16 - 20 Apr 2018
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