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Precise predictions for $\mathrm{WH}$+jet production at the LHC
/ Gauld, R. (Nikhef, Amsterdam) ; Gehrmann-De Ridder, A. (Zurich, ETH ; Zurich U.) ; Glover, E.W.N. (Durham U., IPPP) ; Huss, A. (Durham U., IPPP ; CERN) ; Majer, I. (Zurich, ETH)
We present precise predictions for the production of a Higgs boson in association with a hadronic jet and a $\mathrm{W}$ boson at hadron colliders. The behaviour of QCD corrections are studied for fiducial cross sections and distributions of the charged gauge boson and jet-related observables. [...]
arXiv:2009.14209; NIKHEF 2020-034; ZU-TH 34/20; IPPP/20/45; CERN-TH-2020-163.-
2021-06-10 - 6 p.
- Published in : Phys. Lett. B 817 (2021) 136335
Article from SCOAP3: PDF; Fulltext: PDF;
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3.
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Predictions for $\mathrm{Z}$-boson production in association with a $\mathrm{b}$-jet at $\mathcal{O}(\alpha_s^3)$
/ Gauld, R. (Nikhef, Amsterdam) ; Gehrmann-De Ridder, A. (Zurich, ETH ; Zurich U.) ; Glover, E.W.N. (Durham U., IPPP) ; Huss, A. (Durham U., IPPP ; CERN) ; Majer, I. (Zurich, ETH)
Precise predictions are provided for the production of a $\mathrm{Z}$-boson and a $\mathrm{b}$-jet in hadron-hadron collisions within the framework of perturbative QCD, at $\mathcal{O}(\alpha_s^3)$. To obtain these predictions we perform the first calculation of a hadronic scattering process involving the direct production of a flavoured-jet at next-to-next-to-leading order accuracy in massless QCD, and extend techniques to also account for the impact of finite heavy-quark mass effects. [...]
arXiv:2005.03016; NIKHEF 2020-012; ZU-TH 12/20; IPPP/20/13; CERN-TH-2020-071.-
2020-11-25 - 7 p.
- Published in : Phys. Rev. Lett. 125 (2020) 222002
Article from SCOAP3: PDF; Fulltext: PDF;
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Leading-logarithmic threshold resummation of Higgs production in gluon fusion at next-to-leading power
/ Beneke, Martin (Munich, Tech. U.) ; Garny, Mathias (Munich, Tech. U.) ; Jaskiewicz, Sebastian (Munich, Tech. U.) ; Szafron, Robert (Munich, Tech. U. ; CERN) ; Vernazza, Leonardo (Nikhef, Amsterdam ; Amsterdam U. ; INFN, Turin ; Turin U.) ; Wang, Jian (Shandong U.)
We sum the leading logarithms $\alpha_s^n \ln^{2 n-1}(1-z), n = 1,2,$... near the kinematic threshold $z=m_H^2/\hat{s}\to 1$ at next-to-leading power in the expansion in (1$-z$) for Higgs production in gluon fusion. [...]
arXiv:1910.12685; TUM-HEP-1235/19; NIKHEF/2019-048; CERN-TH-2019-176.-
2020-01-16 - 19 p.
- Published in : JHEP 2001 (2020) 094
Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF;
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5.
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NNLO versus NLO multi-jet merging for top-pair production including electroweak corrections
/ Czakon, Michaa L. (Aachen, Tech. Hochsch.) ; Gütschow, Christian (University Coll. London) ; Lindert, Jonas M. (Durham U., IPPP) ; Mitov, Alexander (Cambridge U.) ; Pagani, Davide (Munich, Tech. U.) ; Papanastasiou, Andrew S. (Cambridge U.) ; Schönherr, Marek (Durham U., IPPP ; CERN) ; Tsinikos, Ioannis (Munich, Tech. U.) ; Zaro, Marco (Nikhef, Amsterdam)
In this proceedings we compare phenomenological predictions for differential distributions in top-quark pair production at the LHC. [...]
arXiv:1901.04442 ; Cavendish-HEP-19/01 ; IPPP/19/3 ; NIKHEF/2019-001 ; TUM-HEP-1182/19, TTK-19-01.
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2019. - 8 p.
Fulltext
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Top-Yukawa contributions to bbH production at the LHC
/ Deutschmann, Nicolas (Zurich, ETH) ; Maltoni, Fabio (Louvain U., CP3) ; Wiesemann, Marius (CERN) ; Zaro, Marco (Nikhef, Amsterdam)
We study the production of a Higgs boson in association with bottom quarks ($b\bar{b}H$) in hadronic collisions at the LHC, including the different contributions stemming from terms proportional to the top-quark Yukawa coupling ($y_t^2$), to the bottom-quark one ($y_b^2$), and to their interference ($y_b y_t$). Our results are accurate to next-to-leading order in QCD, employ the four-flavour scheme and the (Born-improved) heavy-top quark approximation. [...]
arXiv:1808.01660; CERN-TH-2018-175; CP3-18-52; NIKHEF/2018-037.-
2019-07-10 - 43 p.
- Published in : JHEP 1907 (2019) 054
Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF;
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Effective operators in $t$-channel single top production and decay
/ de Beurs, M. (Nikhef, Amsterdam) ; Laenen, E. (Nikhef, Amsterdam ; Amsterdam U. ; Utrecht U.) ; Vreeswijk, M. (Nikhef, Amsterdam) ; Vryonidou, E. (Nikhef, Amsterdam ; CERN)
The production of a single top quark in the $t$-channel and its subsequent decay is studied at NLO accuracy in QCD, augmented with the relevant dimension-6 effective operators from the Standard Model Effective Theory. We examine various kinematic and angular distributions for proton-proton collisions at the LHC at 13 TeV, in order to assess the sensitivity to these operators, both with and without the top quark narrow width approximation. [...]
arXiv:1807.03576; NIKHEF-2018-031; NIKHEF/2018-031; CERN-TH-2018-157.-
2018-11-12 - 23 p.
- Published in : Eur. Phys. J. C 78 (2018) 919
Article from SCOAP3: PDF; Fulltext: PDF;
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The Cosmic Ray Energetics and Mass (CREAM) timing charge detector
/ Ahn, H S ; Allison, P S ; Bagliesi, M G ; Beatty, J J ; Bigongiari, G ; Boyle, P ; Childers, J T ; Conklin, N B ; Coutu, S ; DuVernois, M A et al.
The use of detectors based on plastic scintillator with photomultiplier tubes (PMTs) is common in cosmic-ray experiments to differentiate particle charges. However, in the presence of a calorimeter, the standard method of pulse charge integration over a time longer than a PMT pulse is hampered by abundant albedo particles. [...]
2009 - 12 p.
- Published in : Nucl. Instrum. Methods Phys. Res., A 602 (2009) 525-536
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The CREAM-III Calorimeter
/ Malinin, A (Maryland U.) ; Lee, M H (Maryland U.) ; Ahn, H S (Maryland U.) ; Ganel, O (Maryland U.) ; Han, J H (Maryland U.) ; Jeon, J A (Ewha Women's U., Seoul) ; Kim, C H (Maryland U.) ; Kim, K C (Maryland U.) ; Lutz, L (Maryland U.) ; Nam, S (Ewha Women's U., Seoul) et al.
After successful recovery of the first CREAM (Cosmic Ray Energetics And Mass) instrument during the 2004\/5 Antarctic campaign, the calorimeter was refurbished for the third launch, planned for December 2007. In this CREAM-III calorimeter, the optics were replaced with multi-clad fiber ribbons to enhance the light signal. [...]
2007 - 4 p.
- Published in : : 2 (2008) , pp. 409-412
Fulltext: PDF; External link: INDICO
In : 30th International Cosmic Ray Conference, Merida, Mexico, 3 - 11 Jul 2007, pp.409-412
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Elemental Spectra from the CREAM-I Flight
/ Ahn, Hoseok ; Allison, P S ; Bagliesi, M G ; Beatty, J J ; Bigongiari, G ; Boyle, P J ; Childers, J T ; Conklin, N B ; Coutu, S ; Duvernois, M A et al.
The Cosmic Ray Energetics And Mass (CREAM) instrument is a balloon-borne experiment designed to measure the composition and energy spectra of cosmic rays of charge Z = 1 to 26 up to an energy of ∼1015 eV. CREAM had two successful flights on long-duration balloons (LDB) launched from McMurdo Station, Antarctica, in December 2004 and December 2005. [...]
2007 - 4 p.
- Published in : : 2, pp. 63-66
Fulltext: PDF; External link: INDICO
In : 30th International Cosmic Ray Conference, Merida, Mexico, 3 - 11 Jul 2007, pp.63-66
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