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1.
New method to measure Higgs mass at CLIC collider / Shvydkin, Pavel (Dubna, JINR ; Moscow, MIPT) ; Boyko, Igor (Dubna, JINR)
A variety of studies is planned at the future Compact Linear Collider (CLIC) e+e− collider with energy up to 3 TeV. One of the studies is the precision Higgs boson mass measurement planned at the first stage of the CLIC project. [...]
2021 - 5 p. - Published in : AIP Conf. Proc. 2377 (2021) 030013
In : 24th International Scientific Conference of Young Scientists and Specialists (AYSS-2020), Dubna, Russia, 9 - 13 Nov 2020, pp.030013
2.
Impact of low-$x$ resummation on QCD analysis of HERA data / xFitter Developers' Team Collaboration
Fits to the final combined HERA deep-inelastic scattering cross-section data within the conventional DGLAP framework of QCD have shown some tension at low $x$ and low $Q^2$. A resolution of this tension incorporating $\ln(1/x)$-resummation terms into the HERAPDF fits is investigated using the xFitter program. [...]
arXiv:1802.00064; DESY-18-017.- 2018-08-03 - 14 p. - Published in : Eur. Phys. J. C 78 (2018) 621 Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: 1651789_arXiv:1802.00064 - PDF; arXiv:1802.00064 - PDF; 1802.00064 - PDF; External links: 00037 The up valence PDF $xu_v$, the gluon PDF $xg$ and the total singlet PDF $x\Sigma$ for the final fits with (NNLO+NLL$x$) and without (NNLO) $\ln(1/x)$ resummation.; 00027 The up valence PDF $xu_v$, the gluon PDF $xg$ and the total singlet PDF $x\Sigma$ for each of the 4 steps outlined in the text.; 00035 The up valence PDF $xu_v$, the gluon PDF $xg$ and the total singlet PDF $x\Sigma$ for each of the 4 steps outlined in the text.; 00033 The up valence PDF $xu_v$, the gluon PDF $xg$ and the total singlet PDF $x\Sigma$ for the final fits with (NNLO+NLL$x$) and without (NNLO) $\ln(1/x)$ resummation.; 00029 The HERA NC $E_p= 920$~GeV data compared to the fits with and without $\ln(1/x)$ resummation for the $Q^2 = 3.5$ and $4.5$~GeV$^2$ bins.; 00025 The HERA NC $E_p= 920$~GeV data compared to the fits with and without $\ln(1/x)$ resummation for the $Q^2 = 3.5$ and $4.5$~GeV$^2$ bins.; 00026 The charm PDF at $x=10^{-4}$ as a function of the factorisation scale $\mu$ for different values of the charm threshold $\mu_c = \kappa_c m_c$, with $\kappa_c=1.12,1.5,2,2.5$. The plots show the effect of the matching at NNLO (upper plot) and at NNLO+NLL$x$ (lower plot).; 00032 Scatter plot of the low-$x$ and low-$Q^2$ kinematic region covered by the HERA1+2 inclusive data and charm data at $E_p= 920$~GeV. The green shaded area indicates the region in which $\ln(1/x)$ resummation has a significant effect.; 00042 The resummed splitting functions at NNLO+NLL$x$ (solid) compared to fixed order at LO (dotted), NLO (dashed) and NNLO (dot-dot-dashed) for $P_{gg}$ (upper curves) and $P_{qg}$ (lower curves) as a function of $x$. The plots are at $\alpha_S=0.28$ (corresponding to $Q^2\sim 4$~GeV$^2$) and $n_f=4$.; 00036 The $\chi^2$/d.o.f. as a function of $Q^2_{\rm min}$ (left), $x_{\rm min}$ (center), and $y_{\rm max}$ (right). Each plot reports also the number of degrees of freedom at the extremities of each profile.; 00043 The $\chi^2$/d.o.f. as a function of $Q^2_{\rm min}$ (left), $x_{\rm min}$ (center), and $y_{\rm max}$ (right). Each plot reports also the number of degrees of freedom at the extremities of each profile.; 00031 The $\chi^2$/d.o.f. as a function of $Q^2_{\rm min}$ (left), $x_{\rm min}$ (center), and $y_{\rm max}$ (right). Each plot reports also the number of degrees of freedom at the extremities of each profile.
3.
Boosted Higgs boson tagging using jet substructures / Shvydkin, Pavel (CERN)
Searching BSM particles via the Higgs boson final state has now become common. [...]
CERN-STUDENTS-Note-2016-058.
- 2016
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