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The $D_{03}(2380)$ dibaryon resonance excitation in the $pd\to pd\pi\pi$ reaction.
by Nurbek Tursunbayev, Yuriy Uzikov
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Submission summary
Authors (as registered SciPost users): | Nurbek Tursunbayev |
Submission information | |
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Preprint Link: | scipost_201911_00036v1 (pdf) |
Date accepted: | Dec. 10, 2019 |
Date submitted: | Nov. 14, 2019, 1 a.m. |
Submitted by: | Tursunbayev, Nurbek |
Submitted to: | SciPost Physics Proceedings |
Proceedings issue: | 24th European Few Body Conference (EFB2019) |
Ontological classification | |
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Academic field: | Physics |
Specialties: |
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Approach: | Theoretical |
Abstract
The recent ANKE@COSY data on the differential cross section of reaction $pd \to pd\pi\pi$ demonstrate a peak at invariant mass of the final $d\pi\pi$ system $2.38~GeV$, that corresponds to the isocalar $J^P = 3^+$ dibaryon $D_{03}$, and also enhancement in the distribution over the invariant mass of two final pions. The two-resonance model involving the $t$-channel $\sigma$-meson exchange between the proton and deuteron in the subprocess $pd\to pD_{03}$ and the sequential decays $D_{03}\to D_{12}+\pi$ and $D_{12}\to d +\pi$ was applied to describe the shapes of these distributions with the lowest orbital angular momenta in the corresponding vertices. A possible role of higher orbital momenta in those vertices is studied here.
Published as SciPost Phys. Proc. 3, 056 (2020)
Reports on this Submission
Report #1 by Anonymous (Referee 1) on 2019-12-6 (Invited Report)
- Cite as: Anonymous, Report on arXiv:scipost_201911_00036v1, delivered 2019-12-06, doi: 10.21468/SciPost.Report.1376
Report
Requested changes
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Re-write the first sentence in the introduction - it is currently too complicated, and does not make sense.
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page 2, line 24: cocerning -> concerning
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page 2, line 32: mechanim -> mechanism
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page 5, line 3: formatting
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Page 6, table 1: clearer labelling of columns 3 and 4 (they currently have the same heading!)
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Page 7, figure 4 caption: scatering -> scattering
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page 7, line 17: tyhe -> the