Transverse spin correlation of back-to-back dihadron in unpolarized collisions
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arXiv
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| Hauptverfasser: | , , |
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| Format: | Preprint |
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2024
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| _version_ | 1866929760934821888 |
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| author | Yang, Lei Song, Yu-Kun Wei, Shu-Yi |
| author_facet | Yang, Lei Song, Yu-Kun Wei, Shu-Yi |
| contents | The spin correlation of back-to-back dihadron emerges in unpolarized high-energy collision, empowering unpolarized experiments to shed light on the spin-dependent fragmentation functions. This work investigates the transverse spin correlation of back-to-back dihadron in unpolarized $e^+e^-$, $pp$, and $γp$ collisions, which serves as a novel probe of the chiral-odd fragmentation function $H_{1T}(z)$. We compute the transverse spin correlation at the partonic level and establish a connection with helicity amplitudes. Measuring this observable in future experiments can reveal valuable information on the hadronization of transversely polarized quarks. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2410_20917 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Transverse spin correlation of back-to-back dihadron in unpolarized collisions Yang, Lei Song, Yu-Kun Wei, Shu-Yi High Energy Physics - Phenomenology High Energy Physics - Experiment The spin correlation of back-to-back dihadron emerges in unpolarized high-energy collision, empowering unpolarized experiments to shed light on the spin-dependent fragmentation functions. This work investigates the transverse spin correlation of back-to-back dihadron in unpolarized $e^+e^-$, $pp$, and $γp$ collisions, which serves as a novel probe of the chiral-odd fragmentation function $H_{1T}(z)$. We compute the transverse spin correlation at the partonic level and establish a connection with helicity amplitudes. Measuring this observable in future experiments can reveal valuable information on the hadronization of transversely polarized quarks. |
| title | Transverse spin correlation of back-to-back dihadron in unpolarized collisions |
| topic | High Energy Physics - Phenomenology High Energy Physics - Experiment |
| url | https://arxiv.org/abs/2410.20917 |