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Particle Physics notes A/S PHYSICS UNIT 1
29/01/2023
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Particle Objectives: • Memorise • Memorise Start& the • Learn about o know • quark formations physics платель our fundamental forces 1st gen particles. four hadrons being that all is made particles : the four U=up quark d = down quark the antimatter What electron Particles electron neutrino O Charge etc 1 form of Lepton Quark 28 Know Next: Quark - Fundamental particle. fundamental particie = Atom : Sne phot Proton FUP 4f Improve this knowledge es If A conco the particles. +²3-13 visible matter up of the fundamental down Gravity, Four Forces: no inertial structure electron A2 nucleus consists of protons and neutrons orbital path of electron Neutron u d Weak nuclear, electromagnetic, Strong nuclear, 1 + 1 - 1 - ² - 3 - 1 = + 1 e = +1-1=0 hence element is neutral SOC Obsectimes e pylabler EG... Dop Particles > FUNDAMENTAL (meaning they have no inertial structure) Up quark has or A COMPOSITE (meaning they are composed of some differing combination of fundamental particles) The electron, the neutring, and the quarks are all fundamental are are either ... Atoms, nuclei, protons and neutrians v Grana Composites all ان در سال Electrons ... Mes Responsible for chemical reactions, and electricity. Query Elections have a charge of 1 Electron neutring ... Wiz0999 50476 Dines Prationery an electric charge + 33 Particle with no electric charge, (possibly) no mass; billions. and f fly through your body every second. 7101-1204 696 wi Down quark ادر an electric has Charge of 3 a in be E- electron positron neutring up quark Mit Ut The obvious opposite Counter partners. Eg ex Proton a anti-neutring anti-upquark Ű 2/3+²/3-1/3= Magnetic field Matter Antimatter difference is that they are of Charges to matter & anti-matier כי HOT sva port electron u Lime Enoling d down quark d anti-down quark Anti-proton particle with an electric deflected with the same force as its cunti particle magnetic fiel, a tricing Jenisa deneges & P95515 Jun 2/3-²/3 + 1/3 = 1 ㅎㅎ but in opposite directions 4 113 charge will P positron Plads SID end AIDH ИОГ Hadrons - From the Greek word For that Mesons Baryons - From the Greek word...
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Alternative transcript:
for heavy, particles considered as Baryons (such as protons and neutrons) are made up of quarks. All Baryons except protons eventually decay into protons, rato 41 can feel the strong nuclear force -made up of Bargons and Mesons ons and M o Are not From the English word are made up of all unstable. DAJEDNOTLIWOD of sw Teatror nin SPEECAM A FOR A SEDUE!. electron neutrino god Baryon English Tradera ABOUT PA Leptons - From the Greek word for light. Fundamental particles such as electrons and neutrinos, Jul Ah ! Leptons Stout. Particles quarks WW MA affected by strong force produced exbol radioactive decay. SAN STO 06 Co 28 N₁ + ie+Vision et jamborg joist > O electron = -le almost all trapped in atoms Want alichong for intermediate, Particles quark-anti-quark pairs TGIF 09 NOTESSIE which are Meson = 0 all move freely through the universe Vivere A ME 0146 Folquark - anti-quark pair II POLPET gooly O ANNIHALATION MATTER "IF PHOTON The photon can be considered as ( X ) a tiny packet of tight energy. modely s43 For example, light is a stream of photons. An ENERGY OF A PHOTON E=hf they L (They Aminalate )at late ) Such that ANTI-MATTER Matter were to come into would annihalate each other - Violently". But looks More like Matter & anti-matter = energy @ + →8 Kaboom! electron Contact with anti-matter, Positron (energy conservation laws arecove Two photons Energy produced is calculated be E = mc² = ² Energis qat the rautsa CALCULATION EXAMPLE hence both photons fly opposite directions (NOVISSOO ONLYEST FIDO 3.00 Shortened. Ligned -31 Me = Me = 9·11×10=³1 kg and 2 Me- + Me² = 1.82× 10-30 ko E = mc² = 1.82 × 10-30 × (3×108) ² E = 164x1013 J there are 2 photons, hence. One photon = 1/2 (1.64 × 10 ¹³ ) = 0·82 × 10-¹³ J 8 c = 3 x 10³ m/s So