Further, because it has five quarks instead of the usual three found in regular baryons (a.k.a. As quarks have a baryon number of (+1/3), and antiquarks of (−1/3), the pentaquark would have a total baryon number of 1 and thus would be a baryon. More resourcesĪnd now for something completely differentĪ pentaquark is a human-made subatomic particle, consisting of four quarks and one antiquark bound together they are not known to occur naturally or exist outside of experiments to create them. You can read the Steering Council communication about it here to learn more. In previous pre-releases but it has been postponed to Python 3.11 due to some compatibility concerns. PEP 597 - Add optional EncodingWarningīpo-38605: from _future_ import annotations ( PEP 563) used to be on this list.PEP 624 - Remove Py_UNICODE encoder APIs.PEP 644 - Require OpenSSL 1.1.1 or newer.PEP 636 - Structural Pattern Matching: Tutorial.PEP 635 - Structural Pattern Matching: Motivation and Rationale.PEP 634 - Structural Pattern Matching: Specification.
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