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Author  |
Shi, P.P.; Guo, F.K.; Liu, C.; Liu, L.M.; Sun, P.; Wu, J.J.; Xing, H.Y. |
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Title |
Low-energy DD scattering in lattice QCD |
Type |
Journal Article |
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Year |
2026 |
Publication |
Physical Review D |
Abbreviated Journal |
Phys. Rev. D |
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Volume |
114 |
Issue |
3 |
Pages |
034505 - 14pp |
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Abstract |
We present the first lattice QCD calculation of single-channel DD scattering with quantum numbers I(JP) = 1(0+) and 0(1-). The calculation is performed on the 2 + 1 flavor Wilson-Clover ensembles with a lattice spacing a <^> 0.077 fm and two different pion masses, m pi <^> 207 and 305 MeV. The scattering parameters are determined using the Li scher finite-volume method. Our results indicate a weak repulsive interaction in the 1(0j channel and a slightly attractive interaction in the 0(1-) channel. The S-wave isovector DD scattering length and effective range, extrapolated to the physical pion mass, are (-0.25 + 0.08 + 0.12) fm and (-5.7 + 4.5 + 1.7) fm, respectively. |
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Address |
[Shi, Pan-Pan] CSIC UV, Inst Fis Corpuscular IF, Paterna 46980, Valencia, Spain, Email: Panpan.Shi@ific.uv.es; |
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Publisher |
Amer Physical Soc |
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Language |
English |
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Original Title |
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Series Volume |
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Edition |
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ISSN |
2470-0010 |
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Notes |
WOS:001911994100001 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
7503 |
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