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| Main Authors: | , , , , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2510.09310 |
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| _version_ | 1866915663188066304 |
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| author | Karlberg, Alexander Nason, Paolo Salam, Gavin Zanderighi, Giulia Dreyer, Frédéric |
| author_facet | Karlberg, Alexander Nason, Paolo Salam, Gavin Zanderighi, Giulia Dreyer, Frédéric |
| contents | We document the three main new features in the v2 release series of the HOPPET parton distribution function evolution code, specifically support for N$^3$LO QCD evolution in the variable flavour number scheme, for the determination of hadronic structure functions for massless quarks up to N$^3$LO, and for QED evolution to an accuracy phenomenologically equivalent to NNLO QCD. Additionally we describe a new Python interface, CMake build option, functionality to save a hoppet table as an LHAPDF grid and update our performance benchmarks, including optimisations in interpolating PDF tables. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2510_09310 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | HOPPET v2 release note Karlberg, Alexander Nason, Paolo Salam, Gavin Zanderighi, Giulia Dreyer, Frédéric High Energy Physics - Phenomenology We document the three main new features in the v2 release series of the HOPPET parton distribution function evolution code, specifically support for N$^3$LO QCD evolution in the variable flavour number scheme, for the determination of hadronic structure functions for massless quarks up to N$^3$LO, and for QED evolution to an accuracy phenomenologically equivalent to NNLO QCD. Additionally we describe a new Python interface, CMake build option, functionality to save a hoppet table as an LHAPDF grid and update our performance benchmarks, including optimisations in interpolating PDF tables. |
| title | HOPPET v2 release note |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2510.09310 |