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Related papers: Revisiting the $B^{(*)}_s$-Meson Production at the…

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In general-mass variable-flavor-number (GM-VFN) scheme, the `heavy quark mechanisms' of $B_c(B_c^*)$ meson hadroproduction via the sub-processes $g+c\to B_c(B_c^*)+...$ and $g+\bar{b}\to B_c(B_c^*)+...$ are investigated. In the scheme,…

High Energy Physics - Phenomenology · Physics 2008-11-26 Chao-Hsi Chang , Cong-Feng Qiao , Jian-Xiong Wang , Xing-Gang Wu

We study the hadronic production of $B_s$ and $B_s^*$ mesons within the fixed-flavor-number scheme, in which the dominant gluon-gluon fusion mechanism is dealt with by using the complete $\alpha_s^4$ approach. Main theoretical uncertainties…

High Energy Physics - Phenomenology · Physics 2009-08-03 Jia-Wei Zhang , Zhen-Yun Fang , Chao-Hsi Chang , Xing-Gang Wu , Tao Zhong , Yao Yu

We apply the SACOT-$m_{\rm T}$ general-mass variable flavour number scheme (GM-VFNS) to the inclusive B-meson production in hadronic collisions at next-to-leading order in perturbative Quantum Chromodynamics. In the GM-VFNS approach one…

High Energy Physics - Phenomenology · Physics 2023-07-26 Ilkka Helenius , Hannu Paukkunen

The uncertainties in estimating the hadronic production of the $B_c$ meson are studied under the framework of the complete $\alpha_s^4$ approach of the perturbative QCD and the gluon-gluon fusion mechanism. Quantitative comparisons on the…

High Energy Physics - Phenomenology · Physics 2011-03-23 Chao-Hsi Chang , Xing-Gang Wu

Production of the doubly heavy-flavored hadrons ($B_c$ meson, doubly heavy baryons $\Xi_{cc}$, $\Xi_{bc}$, $\Xi_{bb}$, their excited states and antiparticles of them as well) at $e^+e^-$ colliders is investigated under two different…

High Energy Physics - Phenomenology · Physics 2016-02-17 Xu-Chang Zheng , Chao-Hsi Chang , Zan Pan

Hadronic production of the doubly charmed baryon $\Xi_{cc}$ ($\Xi^{++}_{cc}$ and $\Xi^{+}_{cc}$) is investigated under the general-mass variable-flavor-number (GM-VFN) scheme. The gluon-gluon fusion mechanism and the intrinsic charm…

High Energy Physics - Phenomenology · Physics 2008-11-26 Chao-Hsi Chang , Cong-Feng Qiao , Jian-Xiong Wang , Xing-Gang Wu

Two of the approaches to the hadronic productions of the double heavy mesons $B_c$ and $B_c^*$ are investigated. Comparison in various aspects on the results obtained by the approaches is made and shown in figures and a table. Some trial…

High Energy Physics - Phenomenology · Physics 2011-07-19 Chao-Hsi Chang , Yu-Qi Chen , Guo-Ping Han , Hong-Tao Jiang

It is known that about $60\%$ of all Higgses produced at the CERN-LHC decay into a pair of bottom quarks. Bottoms quickly hadronize, in most cases, into bottom-flavored (B) hadrons before they decay. Therefore, the study of scaled-energy…

High Energy Physics - Phenomenology · Physics 2026-04-17 S. Mohammad Moosavi Nejad

The hadroproduction of heavy-flavoured mesons has recently attracted a growing interest e.g. within the people involved in global analysis of proton and nuclear parton distribution functions, saturation physics, and physics of cosmic rays.…

High Energy Physics - Phenomenology · Physics 2018-12-03 Ilkka Helenius , Hannu Paukkunen

We investigate hadroproduction of $B_c$ mesons from initial gluons using QCD perturbation theory and nonrelativistic bound state approximations. Our results obtained by two completely independent calculations are confronted with existing…

High Energy Physics - Phenomenology · Physics 2009-10-28 Karol Kołodziej , Arnd Leike , Reinhold Rückl

We present a reliable estimate on the production rate of $B_c$ mesons in $1S$ and $2S$ states in the large transverse momentum region at hadronic colliders using heavy quark fragmentation functions derived within the framework of…

High Energy Physics - Phenomenology · Physics 2009-10-22 Kingman Cheung

We present predictions for heavy-quark production at the Large Hadron Collider making use of the ${\overline{\rm MS}}$ and MSR renormalization schemes for the heavy-quark mass as alternatives to the widely used on-shell renormalization…

High Energy Physics - Phenomenology · Physics 2021-04-14 M. V. Garzelli , L. Kemmler , S. Moch , O. Zenaiev

We summarize recent progress in the theoretical description of heavy-flavored-hadron inclusive production at next-to-leading order in the general-mass variable-flavor-number scheme. Specifically, we discuss the influence of finite-mass…

High Energy Physics - Phenomenology · Physics 2008-07-15 Bernd A. Kniehl

We investigate the pair production of S-wave heavy quarkonium at the LHC in the color-singlet mechanism (CSM) and estimate the contribution from the gluon fragmentation process in the color-octet mechanism (COM) for comparison. With the…

High Energy Physics - Phenomenology · Physics 2009-08-13 Rong Li , Yu-Jie Zhang , Kuang-Ta Chao

Charged Higgs bosons $H^\pm$ are predicted by some non-minimal Higgs scenarios, such as models containing Higgs triplets and two-Higgs-doublet models, so that the experimental observation of these bosons would indicate physics beyond the…

High Energy Physics - Phenomenology · Physics 2018-03-28 S. Abbaspour , S. Mohammad Moosavi Nejad

Calculations of the hadronic $B^{(*)}_c$-mesons production performed in the framework of the perturbative QCD taking into account $O(\alpha_s^4)$ Feynmann diagrams are presented. A comparison of the exact calculations with those based on…

High Energy Physics - Phenomenology · Physics 2016-09-01 A. V. Berezhnoy , A. K. Likhoded , O. P. Yushchenko

We make a detailed study on the photoproduction mechanism of the doubly heavy flavored $B_c^{(*)}$ meson at the purposed Large Hadron Electron Collider (LHeC) within the framework of nonrelativistic QCD. In addition to the photoproduction…

High Energy Physics - Phenomenology · Physics 2017-07-13 Bi Huan-Yu , Zhang Ren-You , Hua-Yong Han , Jiang Yi , Xing-Gang Wu

Doubly heavy mesons and baryons provide a good platform for testing pQCD. Two generators BCVEGPY and GENXICC for simulating the hadronic production of the doubly heavy mesons and baryons have been developed in recent years. In this talk, we…

High Energy Physics - Phenomenology · Physics 2014-06-12 Xing-Gang Wu

In the paper, we make a comprehensive study on the hadroproduction of the $B_c (B_c^*)$ meson via the gluon-gluon fusion mechanism at the RHIC and LHC colliders. Total and differential cross sections via the proton-nucleus ($p$-N) and…

High Energy Physics - Phenomenology · Physics 2018-06-25 Gu Chen , Chao-Hsi Chang , Xing-Gang Wu

We discuss two-photon and hadronic production of $B_c$ mesons in nonrelativistic bound state approximation and to lowest order in the coupling constants $\alpha$ and $\alpha_s$. It is shown that in photon-photon collisions, heavy quark…

High Energy Physics - Phenomenology · Physics 2011-01-27 Karol Kolodziej , Arnd Leike , Reinhold Rueckl
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