• a selection rule, or transition rule, formally constrains the possible transitions of a system from one quantum state to another. Selection rules have...
    22 KB (2,311 words) - 22:37, 21 April 2025
  • The Laporte rule is a rule that explains the intensities of absorption spectra for chemical species. It is a selection rule that rigorously applies to...
    6 KB (747 words) - 21:57, 6 July 2025
  • Thumbnail for Kin selection
    R. Price. The term "kin selection" was first used by John Maynard Smith in 1964. According to Hamilton's rule, kin selection causes genes to increase...
    63 KB (7,643 words) - 09:43, 24 June 2025
  • Thumbnail for Woodward–Hoffmann rules
    The Woodward–Hoffmann rules (or the pericyclic selection rules) are a set of rules devised by Robert Burns Woodward and Roald Hoffmann to rationalize or...
    88 KB (11,083 words) - 22:40, 30 June 2025
  • prohibited.[citation needed] The first recorded call for 'state of origin' selection rules for interstate football was made in 1900. A journalist known as "The...
    12 KB (1,435 words) - 17:10, 12 July 2025
  • Thumbnail for Franck–Condon principle
    Franck–Condon factor ∫ ψ e ′ ∗ μ e ψ e d τ e ⏟ orbital selection rule ∫ ψ s ′ ∗ ψ s d τ s ⏟ spin selection rule + ∫ ψ e ′ ∗ ψ e d τ e ⏟ 0 ∫ ψ v ′ ∗ μ N ψ v d τ...
    28 KB (3,503 words) - 12:55, 23 May 2025
  • thermal pericyclic reactions, which are summarized in the following selection rule: "A ground-state pericyclic change is symmetry-allowed when the total...
    10 KB (1,343 words) - 18:11, 14 December 2024
  • Thumbnail for Raman scattering
    regarding molecular vibrations apply to Raman scattering although the selection rules are different. For any given molecule, there are a total of 3N degrees...
    32 KB (4,134 words) - 16:30, 29 May 2025
  • Thumbnail for Rotational spectroscopy
    to be observed by microwave spectroscopy. With symmetric tops, the selection rule for electric-dipole-allowed pure rotation transitions is ΔK = 0, ΔJ...
    51 KB (7,154 words) - 07:00, 22 November 2024
  • Thumbnail for Histogram
    Histogram (redirect from Sturges rule)
    ISBN 978-1-4419-2322-6. Stone, Charles J. (1984). "An asymptotically optimal histogram selection rule" (PDF). Proceedings of the Berkeley conference in honor of Jerzy Neyman...
    27 KB (3,334 words) - 14:47, 21 May 2025
  • Consider a set X {\displaystyle X} of possible outcomes, and consider a selection rule P {\displaystyle P} , such that for any a ∈ A ⊂ X {\displaystyle a\in...
    3 KB (496 words) - 05:40, 18 July 2025
  • spectroscopy gives the rotational quantum numbers, energy levels, and selection rules. In linear and spherical top molecules, rotational lines are found...
    49 KB (6,786 words) - 19:45, 24 May 2025
  • The Selection is a young adult novel by Kiera Cass first published on April 14, 2012, by HarperCollins. It is the first in a five-book series, followed...
    21 KB (2,539 words) - 13:42, 5 July 2025
  • at the time. Queensland was not generally competitive under these selection rules, with a total record of 54 wins, 8 draws, and 159 losses, as their...
    109 KB (8,287 words) - 14:46, 28 July 2025
  • lower time complexities. The variant based on the highest label node selection rule has O(V 2√E) time complexity and is generally regarded as the benchmark...
    36 KB (4,259 words) - 19:05, 30 July 2025
  • that is not allowed by a particular selection rule but is allowed if the approximation associated with that rule is not made. For example, in a situation...
    14 KB (1,843 words) - 14:22, 7 July 2025
  • mechanics, superselection extends the concept of selection rules. Superselection rules are postulated rules forbidding the preparation of quantum states that...
    16 KB (2,429 words) - 10:27, 2 April 2025
  • random. Von Mises never totally formalized his definition of a proper selection rule for sub-sequences, but in 1940 Alonzo Church defined it as any recursive...
    9 KB (1,191 words) - 00:02, 21 August 2024
  • predicted by the endo selection rule. Similarly to the standard Diels–Alder reaction, the DAINV also obeys a general endo selection rule. In the standard Diels–Alder...
    26 KB (2,637 words) - 13:49, 24 June 2025
  • Otto Laporte (1902-1971), German-born American physicist Laporte rule, a selection rule in spectroscopy, named after Otto Laporte Pierre Laporte (1921–1970)...
    2 KB (310 words) - 16:11, 4 April 2025
  • microscopic theory. A microscopic theory makes it possible to approach the selection rule for dipole scattering in a more exact way. The scattering cross section...
    19 KB (2,743 words) - 02:13, 8 August 2024
  • can derive selection rules for the Miller indices for different cubic Bravais lattices as well as many others, a few of the selection rules are given in...
    23 KB (2,670 words) - 17:00, 19 July 2025
  • Thumbnail for Rule 5 draft
    Baseball Rules Book, within which, Rule 5 governs the "Annual Selection of Players".: 62–66  The first version of what would become known as the Rule 5 draft...
    13 KB (1,604 words) - 22:05, 17 July 2025
  • Thumbnail for L-system
    changes the fundamental nature of the inference problem regardless of the selection rule. That is to say, inferring context-sensitive stochastic L-systems is...
    36 KB (4,687 words) - 06:39, 25 June 2025
  • Thumbnail for Two-photon absorption
    light-hole band. This follows directly from the Δ M {\displaystyle \Delta M} selection rule in the table above. In solid-state physics, the LH and HH bands arise...
    44 KB (5,528 words) - 07:22, 21 July 2025
  • Thumbnail for Infrared spectroscopy
    atoms that are involved. Using the Schrödinger equation leads to the selection rule for the vibrational quantum number in the system undergoing vibrational...
    54 KB (6,022 words) - 21:09, 25 July 2025
  • Thumbnail for Photochemistry
    the spin selection rule is possible by intersystem crossing (ISC) of the vibrational and electronic levels of S1 and T1. According to Hund's rule of maximum...
    26 KB (2,834 words) - 12:30, 23 May 2025
  • Uggla in 2006—to be named an All-Star in the season following their Rule 5 selection. Rule 5 draft results McConnell, Joe. "Former Danvers American two-time...
    7 KB (495 words) - 19:49, 25 July 2025
  • In quantum mechanics, the Landau–Yang theorem is a selection rule for particles that decay into two on-shell photons. The theorem states that a massive...
    4 KB (363 words) - 19:16, 27 May 2025
  • Thumbnail for Father–son rule
    In 2001, the rule was changed to only allow a single selection per year, costing the club a third-round selection. Notably, this rule allowed Geelong...
    19 KB (1,879 words) - 07:25, 2 June 2025