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Lipkin in 1987 however, the possibility of five-quark particles was identified as early as 1964 when Murray Gell-Mann first postulated the existence of quarks. The name pentaquark was coined by Claude Gignoux et al. 'triquarks'), it is classified as an exotic baryon. 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.bpo-12782: Parenthesized context managers are now officially allowed.PEP 618 - Add Optional Length-Checking To zip.

PEP 626 - Precise line numbers for debugging and other tools.PEP 612 - Parameter Specification Variables.PEP 604 - Allow writing union types as X | Y.PEP 623 - Deprecate and prepare for the removal of the wstr member in PyUnicodeObject.Major new features of the 3.10 series, compared to 3.9Īmong the new major new features and changes so far: Python 3.10.6 is the newest major release of the Python programming language, and it contains many new features and optimizations. This is the sixth maintenance release of Python 3.10

StartAllBack 3.6.10 instal the last version for windows