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Particle Flow and ILC Detector Design
https://www.hep.phy.cam.ac.uk/~thomson/talks/HepForumRALFinal.pdf11 May 2006: B = 2T B = 4T B = 6T. σE/E = α(E/GeV)B-FieldAll angles. ... iv) Iterative Reclustering. Current Performance (as of 6/5/06). e.g. B-Field. -
Particle Flow Calorimetry and ILC Detector Design
https://www.hep.phy.cam.ac.uk/~thomson/talks/RALFinal.pdf10 Apr 2007: What is optimal detector size/B-field, etc. THIS IS HARD – BUT VERY IMPORTANT! ... Current Performance. Recent Detector Optimisation Studies. e.g. B-Field at 91.2 GeV. -
Particle Flow and ILC Detector Design
https://www.hep.phy.cam.ac.uk/~thomson/talks/ALCPG_Fermilab.pdf7 Dec 2006: Large detector – spatially separate particlesHigh B-field – separate charged/neutralsHigh granularity ECAL/HCAL – resolve particles. ... What is optimal detector size/B-field, etc. THIS IS HARD – BUT VERY IMPORTANT! -
H1 H2 H3 H4 H5 H6 H7 H8 H9 ...
https://www.hep.phy.cam.ac.uk/~lester/teaching/partIIIparticles/handouts2023/H8.pdf6 Dec 2023: r r. b b. Other configurations where quarks don’t change colour •Only matrices with non-zero entries in 11 and 33 position are involved. ... e.g. : two possible exchanged gluons. bb. b b. e.g. : only one possible exchanged gluon. -
Klein-Gordon Equation● The existence of plane waves φ(r, t) ...
https://www.hep.phy.cam.ac.uk/theory/webber/GFT/gft_handout2_06.pdf24 Nov 2005: p p. a. b. ’. b’. q=pb’ bp. Then (in Lorenz gauge) Aµ satisfies. ... p p. a. b. ’. b’. q=pb’ bp. Hence. |Mf i|2 =e2ae. -
ElectroWeak
https://www.hep.phy.cam.ac.uk/~thomson/lectures/partIIIparticles/Handout14_2009.pdf28 Nov 2009: b. b. One signature for a Higgs boson decay is the production of two b quarks. ... b bb. q qb. b. b. Each jet will contain one b-hadron which will decay weakly Because is small hadrons containing. -
Prof. M.A. Thomson Michaelmas 2011 243 Particle PhysicsMichaelmas…
https://www.hep.phy.cam.ac.uk/~thomson/partIIIparticles/handouts/Handout_8_2011.pdf2 Nov 2011: e.g. : only one possible exchanged gluon. b b. b b. ... b b. Configurations where quarks swap colours. gr. g r. Appendix E: Colour Potentials. -
9. The Weak Force - Particle and Nuclear Physics
https://www.hep.phy.cam.ac.uk/~chpotter/particleandnuclearphysics/Lecture_09_Weak.pdf11 Dec 2023: Bc J/ψeν̄e. W. b. Bc c̄. e. ν̄e. c. c̄ J/ψ. ... t̄. b. gW Vtb. between quarks differing by one family are “Cabibbo Suppressed”. -
Is Top Asymmetry Just SM Physics? Bryan Webber, ETH, ...
https://www.hep.phy.cam.ac.uk/theory/webber/TopAsyZurich.pdf24 Jan 2013: K = B/B = 1 O(αS). arbitrary NNLO. POWHEG matchingdσMC = B (ΦB) dΦB. ... j. j. e-! 2b2jleptonMET. pT > 20 GeV/c , |η| < 2 (|η|b < 1). -
Estimating uncertainties in histograms filled from MarkovChains…
https://www.hep.phy.cam.ac.uk/~lester/2018_MCMC_Uncertainties_01.pdf29 Aug 2019: δrbπb: (. t(b))r= δrbπb. (58). Note that, for any B B matrix A:. ... t(b))b. (by (69)) (77). = πb 2((P P2 P3 PN. )t(b))b. -
Event Generation for LHC CERN Theory Seminar 30/03/11 Monte ...
https://www.hep.phy.cam.ac.uk/theory/webber/MCEGforLHC.pdf30 Mar 2011: K = B/B = 1 O(αS). arbitrary NNLO. POWHEG matching. Event Generation for LHC CERN Theory Seminar 30/03/11. ... Cut now needed on ‘underlying Born’ pt of Z0• Good agreement with CDF (not so good with D0)• First jet is now NLO, second is LO (times -
H1 H2 H3 H4 H5 H6 H7 H8 H9 ...
https://www.hep.phy.cam.ac.uk/~lester/teaching/partIIIparticles/handouts2023/H8-without-appendices.pdf6 Dec 2023: r $ b; r $ g; b! g. SU(3)-colour symmetry is exact. ... r r. b b. Other configurations where quarks don’t change colour •Only matrices with non-zero entries in 11 and 33 position are involved. -
Particle Physics Dr Lester Handout 14 : Precision Tests ...
https://www.hep.phy.cam.ac.uk/~lester/teaching/partIIIparticles/handouts2023/H14_Frankenstein.pdf23 Nov 2023: b bb. q qb. b. b. « Each jet will contain one b-hadron which will decay weakly« Because is small hadrons containing. ... fb. be–. e+. Z. Z f. fb. b. e. « The only way to distinguish. -
Black Holes at Colliders CERN 23/02/09 Phenomenology of Black ...
https://www.hep.phy.cam.ac.uk/theory/webber/BH_LHC2FC.pdf8 Oct 2009: Black Holes at Colliders CERN 23/02/09. BH formation factor (1). b. ... Classical Limit. 20. pJ. bx. y. ). θ. ζ. p = ω(sin θ, 0, cos θ)b = b(cos θ sin ζ, cos ζ, sin θ sin ζ). -
Microsoft PowerPoint - TASI13-e-masses
https://www.hep.phy.cam.ac.uk/~lester/TASI13-e-masses.pdf28 Jun 2011: b. b. soft gluon radiation? Supersymmetry as Lingua Franca. Some possibilities:. • ... Exercises Ma b. ( )yyxxbaba baba eemmM Δ++= )cosh(2222 η(1) Prove that. -
2. Kinematics, Decays and Reactions - Particle and Nuclear Physics
https://www.hep.phy.cam.ac.uk/~chpotter/particleandnuclearphysics/Lecture_02_KinematicsDecaysReactions.pdf30 Jan 2024: AµBµ = A.B = A0B0 A.B. or pµpµ = pµgµvp. v =µ=0,3. ... σ[60Ni(α,n)63Zn] σ[63Cu(p,n)63Zn]. n.b. common notation for nuclearreactions:aA bB A(a,b)B. Energy of p selected to give samec.m. -
Not examinable Not examinable H1 H2 H3 H4 H5 ...
https://www.hep.phy.cam.ac.uk/~lester/teaching/partIIIparticles/handouts2023/H2-appendices.pdf4 Nov 2023: i if Ai Bi = 11 otherwise. 9>=. >;(by (49)). = s(A, B)d1Y. ... X. X2A. (AX )1 Y (AX ). =X. X2AA. (X )1 Y (X ). =X. X2A. (X )1 Y (X ) (since A A {A B, B 2 A} = A). = -
SMparam.key
https://www.hep.phy.cam.ac.uk/theory/webber/SMparam.pdf2 Jun 2014: tot. BR(X). BR(X)=. b. tot. = 0.56. b. b. (known to 4th order). ... b. ,b. b contributes less, so top mass effect is significant (-2%). -
Preface In this course, we cover some more advanced ...
https://www.hep.phy.cam.ac.uk/theory/webber/tp2_06.pdf18 Jun 2012: a〉 |b〉 = |b〉 |a〉 (commutative law). • (|a〉 |b〉) |c〉 = |a〉 (|b〉) |c〉) (associative law). • ... a|b〉 = 〈b|a〉 (1.11). From the above, we can deduce that. ( -
https://www.hep.phy.cam.ac.uk/theory/webber/camjet/camjet.uu
https://www.hep.phy.cam.ac.uk/theory/webber/camjet/camjet.uu21 Oct 2008: Z8V9?6A,B/Q MPW30QO.GG@O=;:IS'_OB4S[SV9J?]WM_!J/._Y[AC8"VZ']Z]KH__. ... S[WU-R9SMJS41F.7.-B/#OWTIGF0RLK@RQS2NS.%5,$U,AL1$ M-"ZXJ"NES$8N1JBXM2TP2#U#!GH.Y$M1DR5U:8)OJ[KP?,'TEAFI%!
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