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Qaagi - Book of Why

Causes

Effects

Under what conditions would photons interactto createpair production

high intensity lasers(passive) can be triggered byhttps://doi.org/10.1038/ncomms13686 Pair production

the electric field in between the platesCan ... causepair production

The constant electric fieldwill also causepair production

a minimal electric fieldwould createpair production

the electric field ... too weakto causepair production

the properties of the particlesare ... setat pair production

the equation for the threshold electric field requiredto causefermion pair production

the collision of two photonscan causepair production

high energy photons rather than beta+ decays(passive) triggered bypair production

external fields(passive) influenced bypair production

in Ref(passive) were already setpair production

that interacts with the source foilcausingpair production

the collision of a photon with an atomic nucleus(passive) caused byPair production

high energy photon interactions with atomic nucleican causepair production

The third horizoncreatepair production

the strong and sharply pulsed electromagnetic fields generated in peripheral(passive) caused bylepton - pair production

High energy lightcan causepair production

enough energyto causepair production

energies high enoughto causepair production

Such an experiment ... in whichcausespair production

stresses ... the vacuumwill causepair - production

High - level energies ( " hard " X - rayscausepair production

inflationDid ... causepair production

a photon must haveto causepair production

A fantasy of high energy gamma rays from matter falling into the black hole " impinging on dark mattercausingpair production

all types of radiation ... positronscausepair production

most likelyto causea pair production

in 1933(passive) was discoveredPair production

Only magnetic field 's perpendicular to the path of the photoncausespair production

the electron ( and a positron ... from a +1022keV photoncreatethe electron ( and a positron ... from a +1022keV photon

Instability(passive) caused byInstability

matter and anti - matter particles(passive) created bymatter and anti - matter particles

The particles created in a vacuumn(passive) are created byThe particles created in a vacuumn

All the heavy particles and their quarks(passive) are created byAll the heavy particles and their quarks

to the occurance of particles and antiparticlesleadingto the occurance of particles and antiparticles

in equal numbers of particles and antiparticlesresultsin equal numbers of particles and antiparticles

short - lived pairs of particles which then annihilate in collisionsspontaneously creatingshort - lived pairs of particles which then annihilate in collisions

particles out of thin air by converting EM waves into particlescreatesparticles out of thin air by converting EM waves into particles

in one normal electron and one anti - matter electronresultingin one normal electron and one anti - matter electron

electrons and positrons , not photonscreateselectrons and positrons , not photons

equal amounts of matter and antimattercreatesequal amounts of matter and antimatter

An insignificant amount of the matter in the universe(passive) is created byAn insignificant amount of the matter in the universe

an electron and a positron from two photonscan createan electron and a positron from two photons

matter from energy in the first second of the big bangcreatingmatter from energy in the first second of the big bang

new matter to form at the earth 's coreis causingnew matter to form at the earth 's core

to proton electron plasma without much annihilationleadingto proton electron plasma without much annihilation

in the complete absorption of the photon and the emission of an electron positron pairresultsin the complete absorption of the photon and the emission of an electron positron pair

an electron and positron which will shortly after recombine via pair conversion to produce another photoncreatingan electron and positron which will shortly after recombine via pair conversion to produce another photon

" a Beta - decay process , by " supplying " a neutrino , which can exchange a W - boson with a d - quark , which " turns them into " an u - quark & electroncan ... provoke" a Beta - decay process , by " supplying " a neutrino , which can exchange a W - boson with a d - quark , which " turns them into " an u - quark & electron

electrons and positrons with energy equal to at least MeV , which is enough to produce Cerenkov light in watercreateselectrons and positrons with energy equal to at least MeV , which is enough to produce Cerenkov light in water

antiparticle pairs(passive) were created byantiparticle pairs

quark - antiquark pairswill createquark - antiquark pairs

from super high energy collissionsto be createdfrom super high energy collissions

neutrinos(passive) created byneutrinos

to opposite - sign lepton pairs with E Tmissleadingto opposite - sign lepton pairs with E Tmiss

pairs of fermionscreatingpairs of fermions

to opposite - sign lepton pairs with missing transverse energyleadingto opposite - sign lepton pairs with missing transverse energy

with an indicator / load cell combinationsettingwith an indicator / load cell combination

the massive amount of mass over that massive length of timecould createthe massive amount of mass over that massive length of time

to 4 jets $leadingto 4 jets $

additional chargescreatingadditional charges

in deflectionwill resultin deflection

polarization that shields the core chargecausespolarization that shields the core charge

positive electrons in cosmic ray showers(passive) are caused bypositive electrons in cosmic ray showers

alsocontributesalso

virtual pions(passive) created byvirtual pions

in a feedback loopresultingin a feedback loop

the dynamically unstable contraction of the O - rich core , which ignites very explosive O - burningcausesthe dynamically unstable contraction of the O - rich core , which ignites very explosive O - burning

to the optical depthcontributesto the optical depth

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