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The upper limit of the e+e- partial width of X(3872)

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C.Z.Yuan, X.H.Mo, P.Wang

High Energy Physics - Phenomenology · Submitted 22 Oct 2003

abstract compiled · 2026-09-23 · no language-model review

The authors' main claim Together with the potential models and other information, we conclude that X(3872) is very unlikely to be a vector state.

how it is stated · hedged possibility 0.73 read the record →

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arXiv IDhep-ph/0310261 (version 2)
Pith IDOLKT5GEM, Pith's permanent record of this paper and its review
CitationC.Z.Yuan, P.Wang, X.H.Mo. "The upper limit of the e+e- partial width of X(3872)." arXiv:hep-ph/0310261 (2003). https://pith.science/paper/OLKT5GEM
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Compiled by classifier-1.13-20260917 via OpenRouter, question bank abstract-p1-20260923, 2026-09-23: 1 request, 3,118 input tokens, $0.0001 reported.

What the abstract itself states, as probabilities: claims first 0.04 · states limitation 0.62 · human participants 0.01 · controlled comparison 0.03 · randomized assignment 0.01 · states quantitative result 0.98 · compares with prior results 0.38 · mentions code or data availability 0.01.

The abstract, sentence by sentence

arXiv listing abstract v2. Results and the main claim are underlined; .

The e+e- decay partial width of the recently observed state, X(3872), is estimated using the ISR data collected at the center of mass energy 4.03 GeV in e+e- annihilation experiment by BES at BEPC. It is found that the product of the e+e- partial width and X(3872) --> pi+ pi- J/psi decay branching fraction is less than 10 eV at 90 % confidence level if the J(PC) of X(3872) is 1(--). Together with the potential models and other information, we conclude that X(3872) is very unlikely to be a vector state.

background contribution method result interpretation main claim

What the classifier reports for each sentence. The number is the probability it gave the label.
#sentencerolethe authors' own workstates the main conclusionstrength
s0 The e+e- decay partial width of the recently observed state, X(3872), is estimated using the ISR data collected at the center of mass energy 4.03 GeV in e+e- annihilation experiment by BES at BEPC. method 0.67 0.83 0.03 asserted 0.97
s1 It is found that the product of the e+e- partial width and X(3872) --> pi+ pi- J/psi decay branching fraction is less than 10 eV at 90 % confidence level if the J(PC) of X(3872) is 1(--). result 1.00 0.94 0.19 asserted 0.99
s2 Together with the potential models and other information, we conclude that X(3872) is very unlikely to be a vector state. interpretation 0.99 0.70 0.92 hedged possibility 0.73

What kind of paper the classifier reports this is: empirical study 0.99 · evidence from analysis of existing data 0.94.

What was examined, and what was not

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not examined
  • full text
  • figures and tables
  • references and citing sentences
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  • P abstract
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  • S sections
  • T body sentences
  • C citations
  • R cross-paper relations

Every quoted sentence on this record is the authors'. Every label is from Pith's closed vocabulary, with the probability shown beside it. Every number in the measurements table is the authors', checked by code. Record as JSON

The paper
Original abstract

The e+e- decay partial width of the recently observed state, X(3872), is estimated using the ISR data collected at the center of mass energy 4.03 GeV in e+e- annihilation experiment by BES at BEPC. It is found that the product of the e+e- partial width and X(3872) --> pi+ pi- J/psi decay branching fraction is less than 10 eV at 90 % confidence level if the J(PC) of X(3872) is 1(--). Together with the potential models and other information, we conclude that X(3872) is very unlikely to be a vector state.

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