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Related papers: Are bottom PDFs needed at the LHC?

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We present a computation of NNLO QCD corrections to the production of a Higgs boson in association with a $W$ boson at the LHC followed by the decay of the Higgs boson to a $b\bar{b}$ pair. At variance with previous NNLO QCD studies of the…

High Energy Physics - Phenomenology · Physics 2020-07-01 Arnd Behring , Wojciech Bizon , Fabrizio Caola , Kirill Melnikov , Raoul Röntsch

We present up-to-date matched predictions for the $b\bar{b}H$ inclusive cross section at the LHC at $\sqrt{s}=13$ TeV. Using a previously developed method, our predictions consistently combine the complete NLO contributions that are present…

High Energy Physics - Phenomenology · Physics 2016-11-08 Marco Bonvini , Andrew S. Papanastasiou , Frank J. Tackmann

We summarize measurements of b and c jet production at the LHC, which are an important signature and background for decays of massive particles such as H-to-b-bbar. These include measurements of the inclusive and dijet production of heavy…

High Energy Physics - Experiment · Physics 2015-09-17 Mikko Voutilainen

We investigate the impact of parton distribution functions (PDFs) uncertainties on W/Z production at the LHC, concentrating on the strange quark PDF. Additionally we examine the extent to which precise measurements at the LHC can provide…

High Energy Physics - Phenomenology · Physics 2013-03-04 A. Kusina , T. Stavreva , S. Berge , F. I. Olness , I. Schienbein , K. Kovarik , T. Jezo , J. Y. Yu , K. Park

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 ($y_t^2$),…

High Energy Physics - Phenomenology · Physics 2020-05-18 Nicolas Deutschmann , Fabio Maltoni , Marius Wiesemann , Marco Zaro

QCD dynamics at small quark and gluon momentum fractions or large total energy, which plays a major role for HERA, the Tevatron, RHIC and LHC physics, is still poorly understood. For one of the simplest processes, namely bottom-antibottom…

High Energy Physics - Phenomenology · Physics 2009-12-30 Ph. Hagler , R. Kirschner , A. Schafer , L. Szymanowski , O. V. Teryaev

The description of the internal structure of hadrons is one of the main goal of QCD. At moderate energy scales, the hadronic representation succeeds to the partonic description, rendering challenging the description of the dynamics of…

High Energy Physics - Phenomenology · Physics 2014-05-27 A. Courtoy

Flavor changing effects on the processes \tch, \eebs, \eebsh and \ppbs in the LHT model are investigated in this paper. We calculate the one-loop level contributions from the T-parity odd mirror quarks and gauge bosons. The results show…

High Energy Physics - Phenomenology · Physics 2015-06-11 Ya-Jin Zhou , Hong-Sheng Hou , Hao Sun

We study the production of a Higgs boson in association with bottom quarks in hadronic collisions, and present phenomenological predictions relevant to the 13 TeV LHC. Our results are accurate to the next-to-leading order in QCD, and…

High Energy Physics - Phenomenology · Physics 2015-06-22 M. Wiesemann , R. Frederix , S. Frixione , V. Hirschi , F. Maltoni , P. Torrielli

We present a summary of heavy-flavour physics at the the time of the DIS2019 conference. This summary is based upon the relevant plenary and parallel talks presented at the workshop. The summary is divided into four broad areas: (1)…

High Energy Physics - Experiment · Physics 2019-08-21 V. Bhardwaj , J. Libby , J. Virto

Leptoquarks provide viable solutions to the flavour anomalies, i.e. they can explain the tensions between the measurements and the Standard Model predictions of the anomalous magnetic moment of the muon as well as $b\to s\ell^+\ell^-$ and…

High Energy Physics - Phenomenology · Physics 2022-03-30 Andreas Crivellin , Jordi Folch Eguren , Javier Virto

Three experiments, among the LHC project, are getting ready to explore the b quark flavour sector. While ATLAS and CMS are general purpose experiments, where the study of B mesons is going to proceed in parallel with the Higgs boson and…

High Energy Physics - Experiment · Physics 2008-09-03 A. Sarti

We study flavor changing effects on the \ppbchT process at the Large Hadron Collider(LHC), which are inspired by the left-handed up-type squark mixings in the Minimal Supersymmetric Standard Model(MSSM). We find that the SUSY QCD radiative…

High Energy Physics - Phenomenology · Physics 2008-11-26 Sun Hao , Ma Wen-Gan , Zhang Ren-You , Guo Lei , Han Liang , Jiang Yi

The calculations of $Z + b{\bar b}$ tagged jet production performed in the four- and five-flavour schemes allow for detailed comparison of the heavy flavour structure of collinear and transverse momentum dependent (TMD) parton distributions…

High Energy Physics - Phenomenology · Physics 2021-06-21 H. Jung , S. Taheri Monfared

In this Thesis we have investigated some effects appearing in top quark and Higgs boson decays with flavor changing neutral currents (FCNC) in the framework of generic Two Higgs Doblet Models (2HDM) and the Minimal Supersymmetric Standard…

High Energy Physics - Phenomenology · Physics 2007-05-23 Santi Bejar

At LHCb, proton parton distribution functions (PDFs) can be studied in a unique phase space complementary to that accessible by ATLAS and CMS, corresponding to low and high values of Bjorken-$x$. The measurements of vector boson production…

High Energy Physics - Experiment · Physics 2022-05-19 Cristina Sánchez Gras

Bottom baryon masses are calculated based on a 2+1 flavor dynamical lattice QCD simulation. The gauge field configurations were computed by the CP-PACS and JLQCD collaborations using an improved clover action. The bottom quark is described…

High Energy Physics - Lattice · Physics 2009-01-16 Randy Lewis , R. M. Woloshyn

We present possible indications for flavor separation during the QCD crossover transition based on continuum extrapolated lattice QCD calculations of higher order susceptibilities. We base our findings on flavor specific quantities in the…

High Energy Physics - Lattice · Physics 2013-11-20 Rene Bellwied , Szabolcs Borsanyi , Zoltan Fodor , Sandor D Katz , Claudia Ratti

We present a new QCD analysis of parton distribution functions (PDFs) at the next-to-leading order (NLO) and next-to-next-to-leading order (NNLO). In the present paper, the role of special types of experimental measurements for extracting…

High Energy Physics - Phenomenology · Physics 2024-05-20 Majid Azizi , Ali Khorramian , Saeid Paktinat Mehdiabadi

In the littlest Higgs model with T-parity (LHT) the mirror quarks induce the special flavor structures and some new flavor-changing (FC) couplings which could greatly enhance the production rates of the FC processes. We in this paper study…

High Energy Physics - Phenomenology · Physics 2011-05-30 Xuelei Wang , Jinzhong Han , Wujun Li , Hao Wang
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