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  2. Lepton number - Wikipedia

    en.wikipedia.org/wiki/Lepton_number

    In particle physics, lepton number (historically also called lepton charge) [1] is a conserved quantum number representing the difference between the number of leptons and the number of antileptons in an elementary particle reaction. [2]

  3. C character classification - Wikipedia

    en.wikipedia.org/wiki/C_character_classification

    C character classification is a group of operations in the C standard library that test a character for membership in a particular class of characters; such as alphabetic, control, etc. Both single-byte, and wide characters are supported.

  4. C date and time functions - Wikipedia

    en.wikipedia.org/wiki/C_date_and_time_functions

    The C date and time functions are a group of functions in the standard library of the C programming language implementing date and time manipulation operations. [1] They provide support for time acquisition, conversion between date formats, and formatted output to strings.

  5. List of particles - Wikipedia

    en.wikipedia.org/wiki/List_of_particles

    Each type of nucleus is called a "nuclide", and each nuclide is defined by the specific number of each type of nucleon. "Isotopes" are nuclides which have the same number of protons but differing numbers of neutrons. Conversely, "isotones" are nuclides which have the same number of neutrons but differing numbers of protons.

  6. Array programming - Wikipedia

    en.wikipedia.org/wiki/Array_programming

    In array languages, operations are generalized to apply to both scalars and arrays. Thus, a+b expresses the sum of two scalars if a and b are scalars, or the sum of two arrays if they are arrays. An array language simplifies programming but possibly at a cost known as the abstraction penalty.

  7. Neutrinoless double beta decay - Wikipedia

    en.wikipedia.org/wiki/Neutrinoless_double_beta_decay

    The Germanium Detector Array (GERDA) collaboration's result of phase I of the detector was a limit of > years (90% C.L.). [23] It used germanium both as source and detector material. [23] Liquid argon was used for muon vetoing and as a shielding from background radiation. [23]

  8. C data types - Wikipedia

    en.wikipedia.org/wiki/C_data_types

    For every type T, except void and function types, there exist the types "array of N elements of type T". An array is a collection of values, all of the same type, stored contiguously in memory. An array of size N is indexed by integers from 0 up to and including N−1. Here is a brief example:

  9. C syntax - Wikipedia

    en.wikipedia.org/wiki/C_syntax

    A snippet of C code which prints "Hello, World!". The syntax of the C programming language is the set of rules governing writing of software in C. It is designed to allow for programs that are extremely terse, have a close relationship with the resulting object code, and yet provide relatively high-level data abstraction.