Semi-inclusive lepto-production of hidden-charm exotic hadrons *

Yang, Zhi; Guo, Feng-Kun

doi:10.1088/1674-1137/ac2359

Cited by 22 publications

(18 citation statements)

References 110 publications

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“…[192]. Considering an integrated luminosity of 50 fb −1 , this leads to O (10 5 ) events for each of the 𝑃 𝑐 states, and O (10 6 ) for the 2.5 Other important exploratory studies -57/140-Table 2.4: Rough estimates of integrated cross sections (in units of pb) at EicC for the semiinclusive production of a few selected states in the hadronic molecular (HM) model [270], where Λ refers to the cutoff in the Gaussian regulator of the two-hadron Green's function. The processes are 𝑒 − + 𝑝 → HM+all, where HM = 𝜒 𝑐1 (3872), 𝑍 𝑐 (3900) 0/+ , 𝑋 (4020) 0 , and seven 𝑃 𝑐 states.…”

Section: Cross Section Estimates and Simulationsmentioning

confidence: 99%

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Electron-Ion Collider in China

Anderle,

Bertone,

Cao

et al. 2021

Preprint

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Lepton scattering is an established ideal tool for studying inner structure of small particles such as nucleons as well as nuclei. As a future high energy nuclear physics project, an Electron-ion collider in China (EicC) has been proposed. It will be constructed based on an upgraded heavy-ion accelerator, High Intensity heavy-ion Accelerator Facility (HIAF) which is currently under construction, together with a new electron ring. The proposed collider will provide highly polarized electrons (with a polarization of ∼80%) and protons (with a polarization of ∼70%) with variable center of mass energies from 15 to 20 GeV and the luminosity of (2-3) × 10 33 cm −2 s −1 . Polarized deuterons and Helium-3, as well as unpolarized ion beams from Carbon to Uranium, will be also available at the EicC.The main foci of the EicC will be precision measurements of the structure of the nucleon in the sea quark region, including 3D tomography of nucleon; the partonic structure of nuclei and the parton interaction with the nuclear environment; the exotic states, especially those with heavy flavor quark contents. In addition, issues fundamental to understanding the origin of mass could be addressed by measurements of heavy quarkonia near-threshold production at the EicC. In order to achieve the above-mentioned physics goals, a hermetical detector system will be constructed with cutting-edge technologies. This document is the result of collective contributions and valuable inputs from experts across the globe. The EicC physics program complements the ongoing scientific programs at the Jefferson Laboratory and the future EIC project in the United States.The success of this project will also advance both nuclear and particle physics as well as accelerator and detector technology in China.

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Section: Cross Section Estimates and Simulationsmentioning

confidence: 99%

“…Figure 2.24:The mechanism considered in Ref [270]. for the semi-inclusive production of exotic hadrons (denoted as 𝑋) which couple strongly to a pair of hadrons (𝐻 and 𝐻 ) in lepton-proton collisions.…”

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confidence: 99%

Electron-Ion Collider in China

Anderle,

Bertone,

Cao

et al. 2021

Preprint

Self Cite

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“…In this way, the integrated cross-sections for the semi-inclusive production of the χ c1 (3872) and Z c (3900) are estimated to be O(0.01 nb) and O(0.5 nb), respectively; and those for each of the P c states, including those seen with LHCb and their spin partners, predicted in hadronic molecular models [255,258,259], are estimated to be O(1 pb) at EicC. Thus, EicC would have an excellent chance to observe them [324].…”

Section: Estimates Of the Production Rates At Eiccmentioning

confidence: 98%

“…Mechanism considered in Ref. [324] for producing charmonium-like states and hiddencharm pentaquarks that couple strongly to open-charm channels. Right panel.…”

Section: Estimates Of the Production Rates At Eiccmentioning

confidence: 99%

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Selected Science Opportunities for the EicC

Chen,

Guo,

Roberts

et al. 2020

Preprint

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An electron ion collider has been proposed in China (EicC). It is anticipated that the facility would provide polarised electrons, protons and ion beams, in collisions with large centre-of-mass energy. This discussion highlights its potential to address issues that are central to understanding the emergence of mass within the Standard Model, using examples that range from the exploration of light-meson structure, through measurements of near-threshold heavy-quarkonia production, and on to studies of the spectrum of exotic hadrons.

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Electron-ion collider in China

et al. 2021

View full text Add to dashboard Cite

Lepton scattering is an established ideal tool for studying inner structure of small particles such as nucleons as well as nuclei. As a future high energy nuclear physics project, an Electron-ion collider in China (EicC) has been proposed. It will be constructed based on an upgraded heavy-ion accelerator, High Intensity heavy-ion Accelerator Facility (HIAF) which is currently under construction, together with a new electron ring. The proposed collider will provide highly polarized electrons (with a polarization of ∼80%) and protons (with a polarization of ∼70%) with variable center of mass energies from 15 to 20 GeV and the luminosity of (2–3) × 1033 cm−2 · s−1. Polarized deuterons and Helium-3, as well as unpolarized ion beams from Carbon to Uranium, will be also available at the EicC.The main foci of the EicC will be precision measurements of the structure of the nucleon in the sea quark region, including 3D tomography of nucleon; the partonic structure of nuclei and the parton interaction with the nuclear environment; the exotic states, especially those with heavy flavor quark contents. In addition, issues fundamental to understanding the origin of mass could be addressed by measurements of heavy quarkonia near-threshold production at the EicC. In order to achieve the above-mentioned physics goals, a hermetical detector system will be constructed with cutting-edge technologies.This document is the result of collective contributions and valuable inputs from experts across the globe. The EicC physics program complements the ongoing scientific programs at the Jefferson Laboratory and the future EIC project in the United States. The success of this project will also advance both nuclear and particle physics as well as accelerator and detector technology in China.

show abstract

Semi-inclusive lepto-production of hidden-charm exotic hadrons *

Abstract: We investigate the semi-inclusive production of hidden-charm exotic states, including the , , and pentaquark states, in lepton-proton scattering processes. These hadrons are close to the thresholds of a pair of charm and anticharm hadron… Show more

Cited by 22 publications

References 110 publications

Electron-Ion Collider in China

Electron-Ion Collider in China

Selected Science Opportunities for the EicC

Electron-ion collider in China

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