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Discrete symmetry in certain supersymmetric models
R-parity is a concept in particle physics. In the Minimal Supersymmetric Standard Model, baryon number and lepton number are no longer conserved by all
R-parity
Topics referred to by the same term
Look up parity in Wiktionary, the free dictionary. Parity may refer to: Parity bit in computing, sets the parity of data for the purpose of error detection
Parity
Any of a set of standard configurations of Redundant Arrays of Independent Disks
disks") configurations that employ the techniques of striping, mirroring, or parity to create large reliable data stores from multiple general-purpose computer
Standard_RAID_levels
Property of being an even or odd number
In mathematics, parity is the property of an integer of whether it is even or odd. An integer is even if it is divisible by 2, and odd if it is not. For
Parity_(mathematics)
Hypothetical superpartner to the graviton
the case if the gravitino is the lightest supersymmetric particle and R-parity is conserved (or nearly so). In this case the gravitino is a candidate
Gravitino
Simplest supersymmetric extension to the Standard Model
described by the MSSM and each has characteristic signatures. The MSSM imposes R-parity to explain the stability of the proton. It adds supersymmetry breaking
Minimal Supersymmetric Standard Model
Minimal_Supersymmetric_Standard_Model
Property in group theory
ordering of X is fixed, the parity (oddness or evenness) of a permutation σ {\displaystyle \sigma } of X can be defined as the parity of the number of inversions
Parity_of_a_permutation
Neutral mass eigenstate formed from superpartners of gauge and Higgs bosons
fermions and are electrically neutral, the lightest of which is stable in an R-parity conserved scenario of MSSM. They are typically labeled N͂0 1 (the lightest)
Neutralino
Symmetry of spatially mirrored systems
In physics, a parity transformation (also called parity inversion) is the flip in the sign of one spatial coordinate. In three dimensions, it can also
Parity_(physics)
Property of supersymmetric models in theoretical physics
supersymmetric standard model therefore does not possess R-symmetry, but only R-parity. The R-symmetry group can be considered as a group of (external)
R-symmetry
Professor of Physics at University College London
1992. His PhD research used the ZEUS particle detector to investigate R-parity violating supersymmetry at the Hadron-Electron Ring Accelerator (HERA)
Jon_Butterworth
Hypothetical particles that may constitute dark matter
simplest WIMP hypotheses, however. WIMP-like particles are predicted by R-parity-conserving supersymmetry, a type of extension to the Standard Model of
Weakly interacting massive particle
Weakly_interacting_massive_particle
Family of linear error-correcting codes
adds three parity bits to four bits of data. In mathematical terms, Hamming codes are a class of binary linear codes. For each integer r ≥ 2 there is
Hamming_code
Lightest new particle in a supersymmetric model
hypothetical particles found in supersymmetric models. In models with R-parity conservation, the LSP is stable; in other words, it cannot decay into any
Lightest supersymmetric particle
Lightest_supersymmetric_particle
Supersymmetric partner of the Higgs boson
each), the neutralinos are electrically neutral Majorana fermions. In an R-parity-conserving version of the Minimal Supersymmetric Standard Model, the lightest
Higgsino
Number of times a female has given birth to a baby
gravidity and parity are the number of times a female has been pregnant (gravidity) and carried the pregnancies to a viable gestational age (parity). These
Gravidity_and_parity
Concept in financial mathematics
In financial mathematics, the put–call parity defines a relationship between the price of a European call option and European put option, both with the
Put–call_parity
No-arbitrage equilibrium state
Interest rate parity is a no-arbitrage condition representing an equilibrium state under which investors compare interest rates available on bank deposits
Interest_rate_parity
Mathematical game played on a directed graph
A parity game is played on a colored directed graph, where each node has been colored by a priority – one of (usually) finitely many natural numbers. Two
Parity_game
Statistical measure
Gender parity is a statistical measure used to describe ratios between men and women, or boys and girls, in a given population. Gender parity may refer
Gender_parity
Violation of charge-parity symmetry in particle physics and cosmology
CP-symmetry (or charge conjugation parity symmetry): the combination of C-symmetry (charge conjugation symmetry) and P-symmetry (parity symmetry). CP-symmetry states
CP_violation
Hypothetical elementary particle; supersymmetric partner of a gluon
gluinos and their cascade decays. In models of supersymmetry that conserve R-parity, gluinos eventually decay into the undetected lightest super-symmetric
Gluino
Hypothetical particle decay process of a proton
short. To forbid these operators, a new symmetry has to be imposed: the R-parity. This symmetry also stabilizes the lightest supersymmetric particle as
Proton_decay
Linear error-correcting code
error-correcting code that encodes four bits of data into seven bits by adding three parity bits. It is a member of a larger family of Hamming codes, but the term Hamming
Hamming(7,4)
Linear error correcting code
Low-density parity-check (LDPC) codes, also known as Gallager codes, are a class of error-correction codes first proposed in 1960. Together with the closely
Low-density_parity-check_code
N O P Q R S T U V W X Y Z R-factor (crystallography) R-hadron R-parity R-process R-symmetry R. A. Stradling R. Orin Cornett R. S. Krishnan R. Stanley
Index_of_physics_articles_(R)
1956 nuclear physics experiment on weak force parity conservation
conservation of parity, which was previously established in the electromagnetic and strong interactions, also applied to weak interactions. If parity conservation
Wu_experiment
Operation in particle physics
In particle physics, G parity is a multiplicative quantum number that results from the generalization of C parity (charge conjugation) to multiplets of
G_parity
Symmetry between bosons and fermions
existence of a supersymmetric dark matter candidate is related closely to R-parity. Supersymmetry at the electroweak scale (augmented with a discrete symmetry)
Supersymmetry
Team sport
cutthroat and roughhouse) 42 Around the World Bounce Firing Squad Fives H-O-R-S-E Hotshot Knockout One-shot conquer Steal The Bacon Tip-it Tips "The One"
Basketball
1996 U.S. law
The Mental Health Parity Act (MHPA) is legislation signed into United States law on September 26, 1996 that requires annual or lifetime dollar limits on
Mental Health Parity Act of 1996
Mental_Health_Parity_Act_of_1996
Approach to investment management focusing on allocation of risk
Risk parity (or risk premia parity) is an approach to investment management which focuses on allocation of risk, usually defined as volatility, rather
Risk_parity
Hypothetical composite particle
supersymmetric particle (LSP), which is stable in all the SUSY theories with R-parity). R-hadrons are possible when a colored, in the sense of quantum chromodynamics
R-hadron
In computational complexity theory, the complexity class ⊕P (pronounced "parity P") is the class of decision problems solvable by a nondeterministic Turing
Parity_P
1946 U.S. trade legislation
the United States; "Parity rights" granting U.S. citizens and corporations rights to Philippine natural resources equal to (in parity with) those of Philippine
Bell_Trade_Act
Spot–future parity (or spot-futures parity) is a parity condition whereby, if an asset can be purchased today and held until the exercise of a futures
Spot–future_parity
Finnish physicist
Helsinki in 1996. In 2001 he presented his doctoral thesis titled Breaking of R-parity and supersymmetry in supersymmetric models. His earlier publications in
Kai_Puolamäki
Comparisons of national wealth are also frequently made based on purchasing power parity (PPP), to adjust for differences in the cost of living in different countries
List of countries by GDP (nominal)
List_of_countries_by_GDP_(nominal)
system of parity storage called RAID-DP (RAID Double Parity). The "row" parity is stored on a dedicated disk like in RAID 4, but the "diagonal" parity is stored
Non-standard_RAID_levels
Country in East Asia
(135 trillion yuan) and the largest when adjusted for purchasing power parity. China has brought roughly 800 million people out of extreme poverty, more
China
Phenomenon in which a neutrino changes lepton flavor as it travels
supersymmetric extensions of the standard model of fundamental interactions, where R parity is not a symmetry. There, the exchange of supersymmetric particles such
Neutrino_oscillation
Country primarily in North America
over 25% of nominal global economic output, or 15% at purchasing power parity (PPP). From 1983 to 2008, U.S. real compounded annual GDP growth was 3.3%
United_States
Standard barcode system used in global trade
starts with an L-code, which has odd parity, and that the second group always starts with an R-code, which has even parity. Thus, it does not matter whether
International_Article_Number
In number theory, a limitation of sieve theory
In number theory, the parity problem refers to a limitation in sieve theory that prevents sieves from giving good estimates in many kinds of prime-counting
Parity_problem
Global conflict from 1939 to 1945
December, freshly mobilised reserves allowed the Soviets to achieve numerical parity with Axis troops. This, as well as intelligence data which established that
World_War_II
Hypothetical superpartner of the photon
Photinos have a lepton number 0, baryon number 0, and spin 1/2. With an R-parity of −1 it is a possible candidate for dark matter. It mixes with the superpartners
Photino
Data storage technology
1980s: data striping to improve read/write efficiency, and disk mirroring or parity drives for data recovery. With the exception of RAID 1, all of the standard
RAID
Particle physicist
J.; Brondolin, E.; Dragicevic, M.; Erö, J. (2017-01-25). "Search for $R$-parity violating supersymmetry with displaced vertices in proton-proton collisions
J._Ritchie_Patterson
GDP (PPP) means gross domestic product based on purchasing power parity. This article includes a list of countries by their forecast estimated GDP (PPP)
List of countries by GDP (PPP)
List_of_countries_by_GDP_(PPP)
American theoretical physicist
V.; Giudice, G. F.; Han, T. (1989). "Some new aspects of supersymmetry R-parity violating interactions". Physical Review D. 40 (9): 2987–2996. Bibcode:1989PhRvD
Vernon_Barger
Free online crowdsourced encyclopedia
Survey 2011", the average age of Wikipedia readers is 36, with a rough parity between genders. Almost half of Wikipedia readers visit the site more than
Wikipedia
Elementary particle involved with rest mass
their interactions with the Higgs field, has zero spin, even (positive) parity, no electric charge, and no color charge. It is also very unstable, decaying
Higgs_boson
is unknown for earnings since April 2014, but the euro never fell below parity with the dollar during 2014 and 2015 (as can be verified by comparing the
List of highest-grossing films
List_of_highest-grossing_films
Two rules about the percentage of A, C, G, and T in DNA strands
global feature of the base composition in a single DNA strand. The second parity rule was discovered in 1968. It states that, in single-stranded DNA, the
Chargaff's_rules
Machine learning framework for portfolio construction
Hierarchical Risk Parity (HRP) is an advanced investment portfolio optimization framework developed in 2016 by Marcos López de Prado. HRP is a probabilistic
Hierarchical_Risk_Parity
Procedure in quantum information science
Parity measurement (also referred to as Operator measurement) is a procedure in quantum information science used for error detection in quantum qubits
Parity_measurement
Superpartner of the top quark
squark would be accessible at the Large Hadron Collider. In the generic R-parity conserving Minimal Supersymmetric Standard Model (MSSM) the scalar partners
Stop_squark
Property of particles
In quantum mechanics, the intrinsic parity is a phase factor that arises as an eigenvalue of the parity operation x i → x i ′ = − x i {\displaystyle x_{i}\rightarrow
Intrinsic_parity
Country in Southwestern Europe
shadow of war (2026), pp. 39, 120, 123, 127–128, 137–138. "Purchasing power parities, price level indices, nominal and real expenditures by analytical categories
Portugal
Country in South America
"CIA – The World Factbook – Country Comparisons – GDP (purchasing power parity)". Central Intelligence Agency. Archived from the original on 4 June 2011
Brazil
In mathematics, even and odd ordinals extend the concept of parity from the natural numbers to the ordinal numbers. They are useful in some transfinite
Even_and_odd_ordinals
theory that is supersymmetric on the world sheet. R-parity A Z2 symmetry of supersymmetric models. R-R Short for Ramond–Ramond sector s 1. A strange quark
Glossary_of_string_theory
Identification for a good or service
contributes to differentiation in a visually cluttered marketplace. Brand parity is the perception of customers that some brands are equivalent. This means
Brand
A parity plot is a scatterplot that compares a set of results from a computational model against benchmark data. Each point has coordinates (x, y), where
Parity_plot
Indian scientist
contributions to brane-world models of extra dimensions, quarkonium physics and R-parity violating supersymmetry. He has published a book Particle Physics of Brane
K._Sridhar
Open problem on 3x+1 and x/2 functions
If P(...) is the parity of a number, that is P(2n) = 0 and P(2n + 1) = 1, then we can define the Collatz parity sequence (or parity vector) for a number
Collatz_conjecture
Type of machine learning model
benchmarks such as CrowS-Pairs (Crowdsourced Stereotype Pairs), Stereo Set, and Parity Benchmark. Fact-checking and misinformation detection benchmarks are available
Large_language_model
Feature: Game Backups". 2012-10-04. "Parity Volume Set Specification 1.0". 2001-10-14. Retrieved 2020-08-28. "Parity Volume Set Specification 2.0". 2003-05-11
List of filename extensions (M–R)
List_of_filename_extensions_(M–R)
Country primarily in Western Europe
as of 2025[update] it is the world's ninth largest by purchasing power parity and second largest in the EU, after Germany. Considered a great power with
France
Country in Oceania
countries: Gross domestic product per capita, constant prices purchasing power parity; 2021 international dollar". International Monetary Fund. 2024. Retrieved
Australia
Country in Southeast Asia and Oceania
the world's top 20 by nominal GDP and top 10 by GDP at purchasing power parity. Services and industry account for the largest shares of gross domestic
Indonesia
Continent
shows the projected nominal GDP and GDP per capita (at purchasing power parity) in 2026 by the IMF. The continent is believed to hold 90% of the world's
Africa
Jewish nationalist movement
equally weighty claim to nationhood in Palestine, and sought demographic parity. Judah Magnes, even after the Holocaust, continued to support a binational
Zionism
Largest independent set of paired elements
In combinatorial optimization, the matroid parity problem is a problem of finding the largest independent set of paired elements in a matroid, a structure
Matroid_parity_problem
American physicist
Heterotic Road to the MSSM with R parity, Phys. Rev. D 77, 046013 (2008). H. M. Lee, S. Raby, M. Ratz, G. G. Ross, R. Schieren, K. Schmidt-Hoberg and
Stuart_Raby
American actress (born 1949)
archetypes. Beyond her creative work, she is a prominent advocate for gender parity, labor protections, and challenging the influence of the male gaze in film
Meryl_Streep
1960s–1998 conflict in Northern Ireland
of the principle of consent, commitment to civil and political rights, parity of esteem between the two communities, police reform, paramilitary disarmament
The_Troubles
American theoretical physicist (1904–1967)
Ning Yang and Tsung-Dao Lee, who won a Nobel Prize for their discovery of parity non-conservation. He also instituted temporary memberships for scholars
J._Robert_Oppenheimer
Country in South Asia
nationwide. Pakistan's economy ranks 27th globally by purchasing power parity (PPP) and 42nd by nominal GDP. Historically, Pakistan was part of the wealthiest
Pakistan
Country in North America
13th-largest economy by nominal GDP and the 13th-largest by purchasing power parity (PPP). It ranks first in the Americas and seventh in the world by the number
Mexico
Tendency for nominal interest rate to follow changes in inflation
respective national nominal interest rates. A related concept is Fisher parity. Monetary policy Monetary policy reaction function Taylor rule McCallum
Fisher_effect
Currency of South Africa
dollar, the loti, and the lilangeni respectively) pegged with the rand at parity and still widely accepted as substitutes. The rand was also legal tender
South_African_rand
Religious site in Jerusalem
ISBN 978-0-684-85344-4. Waxman, Dov; Peleg, Ilan (2015). "Neither Hegemony nor Parity: The Temple Mount/Haram al-Sharif in the Israeli-Palestinian Conflict".
Temple_Mount
Concept in physics
is a region where all eigenvalues are real despite the non-Hermiticity. Parity–time (PT) symmetry was initially studied as a specific system in non-Hermitian
Non-Hermitian quantum mechanics
Non-Hermitian_quantum_mechanics
Supreme Court of Canada 2020 case
on sentencing for sexual offences against children and the principle of parity. The Court held that sentences for offences involving the sexual abuse of
R_v_Friesen
Indian particle physicist (1942-2026)
supersymmetry and supergravity, he suggested new τ -number violating signals for R-parity breaking and estimated an upper bound on the gaugino-gravitino mass ratio
Probir_Roy
American theoretical physicist (1918–1988)
combined the 1933 beta decay theory of Enrico Fermi with an explanation of parity violation. Feynman attempted an explanation, called the parton model, of
Richard_Feynman
President of South Africa from 1994 to 1999
in 1996/97, 13% in 1997/98, and 7% in 1998/99. The government introduced parity in grants for communities, including disability grants, child maintenance
Nelson_Mandela
Country in Central and South Asia
nominal GDP was $20.1 billion in 2020, or $81 billion by purchasing power parity (PPP). Its GDP per capita is $2,459 (PPP) and $611 by nominal. Despite having
Afghanistan
Country in East Asia
14th-largest by nominal GDP and the 14th-largest GDP by purchasing power parity in the world, identifying it as one of the G20 major economies. It is a
South_Korea
2025. Romano, Sal (April 22, 2026). "R-TYPE DX: Music Encore launches April 30". Gematsu. Retrieved April 22, 2026. R-TYPE DX: Music Encore is a port of
List of video games released in 2026
List_of_video_games_released_in_2026
Invariance under simultaneous charge conjugation, parity transformation and time reversal
Charge, parity, and time reversal symmetry is a fundamental symmetry of physical laws under the simultaneous transformations of charge conjugation (C)
CPT_symmetry
The Alternative Mortgage Transaction Parity Act of 1982, also known as AMTPA, preempts state laws that restrict banks from making any mortgage except conventional
Alternative Mortgage Transaction Parity Act of 1982
Alternative_Mortgage_Transaction_Parity_Act_of_1982
English girl group
As with their vocal arrangements, they were also adamant on maintaining parity between themselves in the songwriting credits. Sinclair said: The deal between
Spice_Girls
Country in Southeastern Europe
forces. As of 2025, the economy was the 54th largest by purchasing power parity (PPP) at $467.590 billion. In per person income, Greece is 47th in the world
Greece
Country in Southern and Western Europe
third-largest in the eurozone and 11th-largest in the world by purchasing power parity-adjusted GDP. It possesses the ninth-largest national wealth and ranks third
Italy
First female IPS officer from Kerala
Research & Development in July 2012, and is also a strong advocate of gender parity in the Kerala Police force. As ADGP, Sreelekha was asked by Kerala Home
R._Sreelekha
U.S. state
GDP is larger than all but four countries. In terms of purchasing power parity (PPP), it is larger than all but eight countries. California's economy is
California
Head of the Catholic Church from 2013 to 2025
radical reform of its institutions to ensure an ideal of inclusion and parity. He set himself apart from other Popes in upholding the Church's departure
Pope_Francis
Uruguayan/Venezuelan physicist
Alejandra Melfo; Andrija Rašin; Goran Senjanović (2001). "SO(10) theory of R-parity and neutrino mass". Nuclear Physics B. 597 (1–3): 89–109. arXiv:hep-ph/0004031
Alejandra_Melfo
travel, tourism, insurance
R PARITY
R PARITY
Male
Welsh
Welsh form of Greek Georgios, SIÔR means "earth-worker, farmer."
Male
French
French form of German Luitger, LEGÉR means "people-spear."
Male
Norse
Variant form of Old Norse Sigvarðr, SIGURÃR means "victory guard."Â
Female
Norse
Old Norse name AUÃR means "deeply rich."
Surname or Lastname
Hungarian (Sugár)
Hungarian (Sugár) : nickname for a well-built person, from sugár ‘tall’, ‘slim’.Translation of German and Jewish Zucker ‘sugar’.English : nickname from the vocabulary word sugar as a term of affection, or possibly an occupational name for a confectioner or dealer in sugar, although there is no evidence for this in English sources.
Male
Hungarian
Hungarian form of Old Norse Ãsgeirr, OSZKÃR means "god-spear."
Female
Irish
Irish and Scottish Gaelic name MÓR means "great."
Male
Portuguese
Portuguese form of Latin Berengarius, BERENGÃR means "bear-spear."
Male
Hungarian
Hungarian form of Greek Baltasar, BOLDIZSÃR means "Ba'al protect the king."
Female
Norse
Variant form of Old Norse ÞorrÃðr, ÞURÃÃR means "Þórr's beauty."
Male
Icelandic
Icelandic form of Old Norse Hallþórr, HALLDÓR means "Thor's rock."
Female
Norse
Old Norse name probably derived from the word garðr, GERÃR means "enclosure, stronghold." In mythology, this is the name of a frost giantess and wife of Freyr.
Male
Norse
Old Norse name composed of the elements folk "people, tribe," and varðr "guard," hence "guardian of the people."
Female
Norse
Old Norse name derived from the word frÃðr, FRÃÃR means "peace."
Male
Icelandic
Icelandic form of Old Norse Þórr, ÞÓR means "thunder."Â
Male
Norse
Old Norse name composed of the elements hallr "rock" and varðr "defender, guardian," hence "rock defender."
Female
Finnish
Finnish myth name of a sprite, possibly TERHENETÄR means "acorn."
Female
Hungarian
Hungarian name derived from the word tündér, TÜNDÉR means "fairy."
Male
Norse
Old Norse name composed of the elements ari "eagle" and viðr "tree," hence "eagle tree."
Female
Norse
Variant form of Old Norse SigfrÃðr, SIGRÃÃR means "beautiful victory."
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