Is the $X17$ composed of four bare quarks?

Chen, Hua-Xing

doi:10.48550/arxiv.2006.01018

Cited by 3 publications

(3 citation statements)

References 58 publications

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“…Interested readers may consult Refs. [106,107,108,109,110,111,112,113,114,115,116,117,118,119] for a systematical study on chiral properties of the light baryon and tetraquark fields.…”

Section: Internal Structure Of Hadronsmentioning

confidence: 99%

An updated review of the new hadron states

Chen¹,

Chen²,

Liu³

et al. 2022

Preprint

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The past decades witnessed the golden era of hadron physics. Many excited open heavy flavor mesons and baryons have been observed since 2017. We shall provide an updated review of the recent experimental and theoretical progresses in this active field. Besides the conventional heavy hadrons, we shall also review the recently observed open heavy flavor tetraquark states X(2900) and T + cc (3875) as well as the hidden heavy flavor multiquark states X(6900), P cs (4459) 0 , Z cs (3985) − , Z cs (4000) + , and Z cs (4220) + . We will also cover the recent progresses on the glueballs and light hybrid mesons, which are the direct manifestations of the non-Abelian SU (3) gauge interaction of the Quantum Chromodynamics in the low-energy region.

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“…Interested readers may consult Refs. [106,107,108,109,110,111,112,113,114,115,116,117,118,119] for a systematical study on chiral properties of the light baryon and tetraquark fields.…”

Section: Internal Structure Of Hadronsmentioning

confidence: 99%

An updated review of the new hadron states

Chen¹,

Chen²,

Liu³

et al. 2022

Preprint

Self Cite

View full text Add to dashboard Cite

show abstract

“…This mechanism also makes the QCD vacuum possess nontrivial structures, such as the nonzero quark condensates. Interested readers may consult [108][109][110][111][112][113][114][115][116][117][118][119][120][121][122] for a systematical study on chiral properties of the light baryon and tetraquark fields.…”

Section: Introductionmentioning

confidence: 99%

An updated review of the new hadron states

et al. 2022

View full text Add to dashboard Cite

The past decades witnessed the golden era of hadron physics. Many excited open heavy flavor mesons and baryons have been observed since 2017. We shall provide an updated review of the recent experimental and theoretical progresses in this active field. Besides the conventional heavy hadrons, we shall also review the recently observed open heavy flavor tetraquark states X(2900) and Tcc(3875) as well as the hidden heavy flavor multiquark states X(6900), Pcs(4459), Zcs(3985), Zcs(4000), and Zcs(4220). We will also cover the recent progresses on the glueballs and light hybrid mesons, which are the direct manifestations of the non-Abelian SU(3) gauge interaction of the Quantum Chromodynamics in the low-energy region.

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“…For what concerns possible SM explanations, various Authors have proposed that the X17 resonance may be a new exotic QCD bound state. In [29] it has been proposed that the X17 resonance might be identified with a tetraquark, i.e. a four quarks QCD bound state, made up by first generation quarks.…”

Section: Summary Of the Experimental Status Of X17 Searchesmentioning

confidence: 99%

Shedding light on X17: community report

et al. 2023

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The workshop “Shedding light on X17” brings together scientists looking for the existence of a possible new light particle, often referred to as X17. This hypothetical particle can explain the resonant structure observed at $$\sim $$ ∼ 17 MeV in the invariant mass of electron-positron pairs, produced after excitation of nuclei such as $$^8\hbox {Be}$$ 8 Be and $$^4\hbox {He}$$ 4 He by means of proton beams at the Atomki Laboratory in Debrecen. The purpose of the workshop is to discuss implications of this anomaly, in particular theoretical interpretations as well as present and future experiments aiming at confirming the result and/or at providing experimental evidence for its interpretation.

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Is the $X17$ composed of four bare quarks?

Cited by 3 publications

References 58 publications

An updated review of the new hadron states

An updated review of the new hadron states

An updated review of the new hadron states

Shedding light on X17: community report

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