Measurement of the tt¯ prod√uction cross-section in the τ + jets nal state at s = 7 TeV with the ATLAS detector at the LHC 来自 tesisenxarxa.net 喜欢 0 阅读量: 45 作者: MC Conidi 摘要: The top quark was the last elementary particle of the Standard Model to be ...
The elastic cross section was measured differentially in the Mandelstam t variable in the range from - t = 2.5 · 10 - 4 GeV 2 to - t = 0.46 GeV 2 using 6.9 million elastic-scattering candidates. This paper presents measurements of the total cross sec...
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Using the even-odd mode analysis of four-port networks with double symmetry, the scattering parameters of the microstrip-slot coupler are derived from the even- and odd-mode parameters of the coupler cross section. The uncompensated coupler and the coupler compensated by extending the slot fines ...
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The primary vertex (PV) is taken to be the vertex corresponding to the hardest scattering in the event, evaluated using tracking information alone, as described in Section 9.4.1 of Ref. [39]. The energy of photons is obtained from the ECAL measurement. The energy of electrons is determined...
Phys. J. C (2019) 79:760 Page 3 of 25 760 parameters [28] to simulate the parton shower, hadroni- sation, and underlying event and to Photos [29] to sim- ulate final-state photon radiation (FSR). This is referred to as Powheg+Pythia8 in this paper. An alternative sig- nal ...
In modern channel design, scattering parameters (S-param) is a commonly used to represent passive interconnects. A S-param model is basically a power view (i.e. incidental and reflective) of each “port” under certain reference impedance at various frequencies. So its format is like a freque...
The baseline tt¯ simulation sample was produced at next-to-leading order (NLO) in QCD using the matrix-element generator Powheg-Box v2 [25], [26], [27] with CT10 PDFs [10], interfaced to Pythia6 [28] with the Perugia 2012 set of tuned parameters (tune) [29] for parton shower...
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