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Interference and binding effects in decays of possible molecular component of X(3872)
High Energy Physics - Phenomenology · Submitted 26 Sep 2003
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim In particular, if this resonance contains a dominant `molecular' component D {\bar D^*} \pm {\bar D} D^*, this component can be revealed and studied by a distinct pattern of interference between the underlying decays of D^{*0} and {\bar D}^{*0} whose coherence is ensured by fixed (but yet unknown) C parity of the X(3872).
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The abstract, sentence by sentence
It is pointed out that the internal structure of the narrow resonance X(3872) at the D^0 {\bar D}^{*0} threshold can be studied in some detail by measuring the rate and the spectra in the decays X(3872) \to D^0 {\bar D}^0 \pi^0 and X(3872) \to D^0 {\bar D}^0 \gamma. In particular, if this resonance contains a dominant `molecular' component D {\bar D^*} \pm {\bar D} D^*, this component can be revealed and studied by a distinct pattern of interference between the underlying decays of D^{*0} and {\bar D}^{*0} whose coherence is ensured by fixed (but yet unknown) C parity of the X(3872).
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | It is pointed out that the internal structure of the narrow resonance X(3872) at the D^0 {\bar D}^{*0} threshold can be studied in some detail by measuring the rate and the spectra in the decays X(3872) \to D^0 {\bar D}^0 \pi^0 and X(3872) \to D^0 {\bar D}^0 \gamma. | contribution 0.50 | 0.14 | 0.24 | hedged possibility 0.67 |
| s1 | In particular, if this resonance contains a dominant `molecular' component D {\bar D^*} \pm {\bar D} D^*, this component can be revealed and studied by a distinct pattern of interference between the underlying decays of D^{*0} and {\bar D}^{*0} whose coherence is ensured by fixed (but yet unknown) C parity of the X(3872). | contribution 0.36 | 0.15 | 0.45 | hedged possibility 0.90 |
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The paper
Original abstract
It is pointed out that the internal structure of the narrow resonance X(3872) at the D^0 {\bar D}^{*0} threshold can be studied in some detail by measuring the rate and the spectra in the decays X(3872) \to D^0 {\bar D}^0 \pi^0 and X(3872) \to D^0 {\bar D}^0 \gamma. In particular, if this resonance contains a dominant `molecular' component D {\bar D^*} \pm {\bar D} D^*, this component can be revealed and studied by a distinct pattern of interference between the underlying decays of D^{*0} and {\bar D}^{*0} whose coherence is ensured by fixed (but yet unknown) C parity of the X(3872).
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References
How later papers used it
66 later papers cite it
1 later paper by other authors is listed below: 1 used its data or values.
Uses its data or values 1 of 2 papers with this label
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Used the masses and widths of the D*+ and D*0 mesons given in this paper and other works.
Quark model description of the tetraquark state X(3872) in a relativistic constituent quark model with infrared confinement (2010) · 1.00 · paraphrased: the licence does not allow quoting
How the literature uses it
62 arXiv papers cite this in 75 sentences
Papers citing it · 54 sentences without a confident label
Uses its method or tool 1 paper
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For describing the decay amplitude, we adopt the same method as that in Refs. [ref] to study the radiative open-charm decays of $Y(4140)$ and $Y(3930)$.
The line shape of the radiative open-charm decay of Y(4140) and Y(3930) · Introduction · 0.98
Uses its data or values 2 papers
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One of its most salient features is that the mass coincides exactly with the $D̅^*0 D^0/D̅^0 D^*0$ threshold as $m_D^0+m_D^*0-m_X(3872)=(0.00±0.18)$ MeV [ref] , which naturally inspired the molecular interpretations [ref] .
Revisit the isospin violating decays of $X(3872)$ · Introduction · 0.80
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We use the masses and widths of the $D^∗ +$ and $D^∗ 0$ mesons given in [ref] and [ref] , [ref] (all dimensional quantities in MeV):
Quark model description of the tetraquark state X(3872) in a relativistic constituent quark model with infrared confinement · X-decays · 1.00
Cites it as support 5 papers
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Thus the EFT expansion is expected to converge fairly well, providing a motivation and explaining the success of contact-range descriptions of the $X(3872)$ [ref] .
Power Counting and Perturbative One Pion Exchange in Heavy Meson Molecules · Introduction · 1.00
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What we see is that the effect of the convolution with the $D^*$ width and the experimental resolution is important, as claimed in [ref] and help us make a choice of the preferred situation.
Isospin breaking effects in the X(3872) resonance · The two C-parity states · 0.97
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However, both its low mass [ref] and the large isospin breaking in its decays [ref] can be well described if $X(3872)$ contains a large $D̅^*D$ molecule component.
Productions of $X(3872)$, $Z_c(3900)$, $X_2(4013)$, and $Z_c(4020)$ in $B_{(s)}$ decays offer strong clues on their molecular nature · Introduction · 0.96
Cites it as background 13 papers
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The $X(3872)$ [ref] , also known as $χ_c1(3872)$, and the $Z_c(3900)$ [ref] have been proposed as candidates of isoscalar and isovector $DD̅^*$ hadronic molecules, respectively, since long [ref] .
Establishing the heavy quark spin and light flavor molecular multiplets of the $X(3872)$, $Z_c(3900)$ and $X(3960)$ · Introduction · 0.89
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There have been a number of hypotheses for its nature including it being a $D^*0 D̅^0$ molecule [ref] , a hybrid [ref] , a tetraquark [ref] , and even a conventional charmonium [ref] , but there seems to be no consensus on which the correct interpretation of this state is.
Hadroproduction data support tetraquark hypothesis for $\chi_{c1} (3872)$ · Introduction · 1.00
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The $X(3872)$ [ref] has been proposed as a candidate of an isoscalar $DD̅^*$ hadronic molecule with $J^PC=1^++$ quantum numbers [ref] for a long while [ref] .
Entanglement suppression and low-energy scattering of heavy mesons · Consequences on heavy-meson hadronic molecules · 0.82
Discussion
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