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Mulberry Close, Cambridge CB4 2AS
https://www.hep.phy.cam.ac.uk/~lester/MulberryCloseData/history_gallery.htmPhoto taken during development, nos 36-41. The new path, laid in 1992. -
LAr Event Reconstruction with the PANDORA Software Development Kit ...
https://www.hep.phy.cam.ac.uk/~thomson/talks/LArReco_2012_11_28.pdf4 Jan 2013: Flexibility – moving from ILC to LAr reconstruction, involved almost no code changes (just new algortithms). ... 16. Remnant Consolidation Either use the remnant clusters to build new particles, or merge them into the existing particles. -
Long Baseline Neutrino Oscillation Experiments
https://www.hep.phy.cam.ac.uk/~thomson/talks/PIC2008Thomson.pdf27 Jun 2008: Tota. l Pro. tons. (E20. ). First results (PRL)Prelim. NC. New PRL. -
Neutrino Oscillations and the MINOS experiment
https://www.hep.phy.cam.ac.uk/~thomson/MPP/partIIIparticles/Handout_13_2011.ppt10 Sep 2013: The new diagram. interferes negatively with the above two diagrams fixing the unitarity problem. ... The new boson is associated with a new gauge symmetry similar to that. -
Index of /~lester/dtm662/preXml07022000/preXml/src/GUNK
https://www.hep.phy.cam.ac.uk/~lester/dtm662/preXml07022000/preXml/src/GUNK/Index of /lester/dtm662/preXml07022000/preXml/src/GUNK. -
pp2004_rqm.dvi
https://www.hep.phy.cam.ac.uk/~thomson/lectures/partIIparticles/pp2004_rqm.pdf28 Nov 2009: Since are matrices, need 2 componentwave-functions - WEYL SPINORS. The wave-function is forced to have a new degree offreedom - the spin of the fermion. -
pp2004_beyond.dvi
https://www.hep.phy.cam.ac.uk/~thomson/lectures/partIIparticles/pp2004_beyond.pdf28 Nov 2009: By making precise measurements we are sensitive toparticles which are not being produced directly - thusplacing constraints on possible new particles/physicsbeyond the Standard Model. ... New acceleratorbased experiments coming online soon (e.g. -
pp2004_qcd.dvi
https://www.hep.phy.cam.ac.uk/~thomson/particles/lectures/pp2004_qcd.pdf21 Feb 2004: crease linearly with separa-tion. When. new pairs can becreated. -3. -2. -
Neutrino Oscillations and the MINOS experiment
https://www.hep.phy.cam.ac.uk/~thomson/lectures/iss/iss2007_ew.pdf31 Jul 2007: W Wb. t. Mtop2. H. W. ln(mH)? • BUT measured mass also sensitive to new particlesvia “loop corrections”. • ... Questions/Problems with the Standard Model. Our understanding of particle physics is still evolving.Over the next few years many new -
Simulation of Old and New PhysicsBryan Webber, University of ...
https://www.hep.phy.cam.ac.uk/theory/webber/ParisNov06.pdf4 Dec 2008: MultijetsImportant backgrounds to new physics. Only LO available up to high parton multiplicity(ALPGEN, AMEGIC++, MADGRAPH, HELAC,.). ... We present a new technique for measuring the temperature of black holes that applies to. -
Part III Particle Physics: Interaction by Particle Exchange
https://www.hep.phy.cam.ac.uk/~thomson/MPP/partIIIparticles/Handout_3_2011.ppt10 Sep 2013: If we are then presented with a new Feynman diagram. we don’t want to go through the full calculation again. -
Mark Thomson University of Cambridge Level-0 / Level-1 Trigger ...
https://www.hep.phy.cam.ac.uk/~thomson/talks/AUW_CERN_2012_Thomson.pdf4 Jan 2013: Phase-2 will represent 90 % of all ATLAS data We hope for new physics… At this stage trigger needs flexibility Strong desire to trigger on leptons at -
https://www.hep.phy.cam.ac.uk/~lester/Grid/20080225a.txt
https://www.hep.phy.cam.ac.uk/~lester/Grid/20080225a.txt25 Feb 2008: aan_eta);! addBranch("ElectronPt", m_aan_pt);! addBranch("ElecPtRatio", m_aan_elecetres);! /// ROOT histograms ---------------------------------------! m_h_elecpt = new TH1F("elec_pt","pt el",50,0,250.GeV);! sc = ... AANT/Electron/elec_pt",m_h_elecpt); - -
NATURAL SCIENCES TRIPOS: Part III PhysicsMASTER OF ADVANCED STUDY ...
https://www.hep.phy.cam.ac.uk/~lester/teaching/partIIIparticles/exams/PartIIIParticles_exam_202021.pdf7 Oct 2021: new energyregion appears to undershoot the theoretical predictions made by their (previouslyreliable) Bogus Standard Model. ... d) What conclusion(s) might these physicists draw from the new data? -
Particle Flow and ILC Detector Design
https://www.hep.phy.cam.ac.uk/~thomson/talks/RHULFinal.pdf10 Apr 2006: Aim to give impression of the issues involved in this new type of“calorimetry”. ... Calorimetry at the ILC = HARDWARE SOFTWARE (new paradigm)Will be difficult to disentangle detector/algorithm…. -
Black Holes at the LHC?Bryan Webber, Cambridge Large Extra ...
https://www.hep.phy.cam.ac.uk/theory/webber/BhamNov06.pdf4 Dec 2008: We present a new technique for measuring the temperature of black holes that applies to. ... discussed and a new technique has been introduced. This new technique has been shown. -
The GLD Concept
https://www.hep.phy.cam.ac.uk/~thomson/talks/Daegu2005.pdf11 Jul 2005: dE/dx gives particle identificationIdentification of non-pointing tracks. aid energy flow reconstruction of V0signals for new physics. -
Bookmarks for Christopher Lester
https://www.hep.phy.cam.ac.uk/~lester/dtm662/bookmarks.html17 Apr 2000: Bookmarks for Christopher Lester. g" ADD_DATE="955814526" LAST_VISIT="955814685" LAST_MODIFIED="955814506">Search Category -. Newspapers. Reference. X11. SRT. ATLAS Offline Computing - Deliverable ATL-SW-SRT-Documentation-V1. Information for Junior -
QCD Simulation for LHC and Herwig++ Bryan Webber University ...
https://www.hep.phy.cam.ac.uk/theory/webber/kek04.pdf4 Dec 2008: P. M/B W (ci,q′, dq′,j|i, j). New! Meson/Baryon ratio is parametrized in terms of. ... Underlying event.• Hadronic decays: NEW! τ –decays, spin correlations (P Richardson).• New ideas: NLO, multiscale, SUSY. -
ParticleExchange
https://www.hep.phy.cam.ac.uk/~thomson/lectures/partIIIparticles/Handout3_2009.pdf28 Nov 2009: If we are then presented with a new Feynman diagram we don’t want to go through the full calculation again. -
https://www.hep.phy.cam.ac.uk/~lester/dtm662/preXml07022000/preXml/src…
https://www.hep.phy.cam.ac.uk/~lester/dtm662/preXml07022000/preXml/src/New.SCT.geo.cc7 Feb 2000: agdd::Box sol = new agdd::Box; //HGFHGFbarrelSection.addVolume(sol); sol-setName(isUpper? "sct_facingCooledUpperPart1": "sct_facingCooledLowerPart1"); //sol-setMaterial("cheese"); const double wA = isUpper? ... 0.5:-0.5)solz); facPtr-addSolidPos(pos); } { -
Contents Hook Up Unit LHUUM-01-V01-R1- Installation and Operation…
https://www.hep.phy.cam.ac.uk/~lester/pv/hookup-Rolec-SU2X2F.pdf14 Jul 2022: Amendments Amendment. Number Details Date. Ver 1, Rev 0 New Document. -
Bryan Webber: Top Physics Simulations CERN Top Quark Institute ...
https://www.hep.phy.cam.ac.uk/theory/webber/WebberTopInst09.pdf8 Oct 2009: ISR, decay, interference? Spin correlations are significant. Sensitive to new physics. ... Testing ground for new physics searches. MT2, global inclusive observables,. 39. -
Neutrino Oscillations and the MINOS experiment
https://www.hep.phy.cam.ac.uk/~thomson/MPP/partIIIparticles/Handout_10_2011.ppt10 Sep 2013: term to allow for parity violation. New structure function. For anti-neutrino scattering new structure function enters with opposite sign. -
GaussianStatistics
https://www.hep.phy.cam.ac.uk/~thomson/lectures/statistics/GaussianStatistics_Handout.pdf24 Feb 2015: a Gaussian centred on x1. " Bayes theorem then tells us how to modify this in the light of a new measurement. " ... Two important points: " Errors add in quadrature (i.e. sum the squares) " The appearance of a new term, the covariance of x and y. -
Particle Flow Calorimetry and ILC Detector Design
https://www.hep.phy.cam.ac.uk/~thomson/talks/BonnFinal.pdf31 Jan 2008: Limited by typical HCAL resolution of > 50%/E(GeV). a new approach to calorimetry. ... New paradigm – nobody really knows how to approach this. So where are we now? -
Asking ‘which is real?’ to refute sym metries Rupert ...
https://www.hep.phy.cam.ac.uk/~lester/arXiv/which_is_real.pdf4 Nov 2021: Next, we remove the sinusoidally varying offset and sample new data from theirnew distribution. ... Bootstrap your own latent: A new approach toself-supervised Learning, 2020. arXiv:2006.07733. -
Particle Flow Calorimetry and ILC Detector Design
https://www.hep.phy.cam.ac.uk/~thomson/talks/PFA_Plenary_Thomson.pdf30 Sep 2009: PFA can achieve <4 % jet energy resolution for new particle decays• Gives few % mass resolution for new particle decays • Sufficient to separate W/Z for gauge bosons produced in association. ... Properly designed code Increased flexibility – needed -
Lecture2.dvi
https://www.hep.phy.cam.ac.uk/theory/webber/IPMUlect2.pdf15 Sep 2009: V V V SUSY trilepton Done. V V bb̄ VBF H V V , tt̄H, new physics DoneV V 2 jets VBF H V V VBFV 3 jets various new physics signatures ... 4 jets various new physics signatures gg gggg. “Done” does not necessarily mean a (parton-level) event -
gphoto2-fuse-fs
https://www.hep.phy.cam.ac.uk/~lester/gphoto2-fuse-fs/27 Feb 2006: Philip's version looks easier to build than mine, and works with new version of gphoto2 etc which mine doesn't! :). -
https://www.hep.phy.cam.ac.uk/~lester/agdd/1999/agdbCompos.hh
https://www.hep.phy.cam.ac.uk/~lester/agdd/1999/agdbCompos.hh6 Jan 2000: putMeIn(xml::Element & parent) { //cout "compos put me in" endl; xml::Element child = new xml::Element(); assert(child); parent.addChild(child); child-setTagName(Volume::Base::getTagName()); // LESTER Must complete. -
https://www.hep.phy.cam.ac.uk/~lester/agdd/1999/agdbPosXYZ.hh
https://www.hep.phy.cam.ac.uk/~lester/agdd/1999/agdbPosXYZ.hh6 Jan 2000: me in" endl; xml::Element child = new xml::Element(); assert(child); parent.addChild(child); // LESTER Must complete. -
DarkArts
https://www.hep.phy.cam.ac.uk/~thomson/lectures/statistics/DarkArts_Handout.pdf3 Mar 2015: encompassing our knowledge of x before the measurement! Bayes theory tells us how to modify our knowledge of x in the light of new data. ... a previous measurement. " If we now make a new measurement, i.e. -
https://www.hep.phy.cam.ac.uk/~lester/agdd/1999/agdbSolid.hh
https://www.hep.phy.cam.ac.uk/~lester/agdd/1999/agdbSolid.hh6 Jan 2000: Need checks. xml::Element child = new xml::Element(); assert(child); parent.addChild(child); // Now destruction taken care of. -
https://www.hep.phy.cam.ac.uk/~lester/agdd/1999/SCT.geo.hh
https://www.hep.phy.cam.ac.uk/~lester/agdd/1999/SCT.geo.hh6 Jan 2000: int j; // Module number for ((sn=-1, j=0); jnModulesPerSki; (j++, sn=-sn)) { agdb::PosXYZ & modulePos = barrelSection.adopt(new agdb::PosXYZ); modulePos.setVolume( (i==0 || i==2)? ... new agdb::PosXYZ); supportPos.setVolume(support[i]); -
https://www.hep.phy.cam.ac.uk/~lester/agdd/1999/agdbMaterial.hh
https://www.hep.phy.cam.ac.uk/~lester/agdd/1999/agdbMaterial.hh6 Jan 2000: Attribute::required) { }; void putMeIn(xml::Element & parent) { assert("This is rubbish" && false); // LESTER cout "material put me in" endl; xml::Element child = new xml::Element(); assert(child); parent.addChild(child); -
Neutrino Oscillations and the MINOS experiment
https://www.hep.phy.cam.ac.uk/~thomson/lectures/iss/iss2007_intro.pdf30 Jul 2007: The discussion is important some of the ideas will bevery new to you … there are no foolish questions! ... I3. Particles appear in groups of equal mass. Suggestive of sub-structure – QUARKSmany of these new particles were just different -
https://www.hep.phy.cam.ac.uk/~lester/agdd/1999/agdbMPosPhi.hh
https://www.hep.phy.cam.ac.uk/~lester/agdd/1999/agdbMPosPhi.hh6 Jan 2000: stagger ("S" , "0" ), _rot ("rot" , "0 0 0" ), _indexStep("indexstep", "1" ) {}; void putMeIn(xml::Element & parent) { //cout "mPosPhi put me in" endl; xml::Element const child = new xml::Element(); assert(child); -
https://www.hep.phy.cam.ac.uk/~lester/agdd/1999/agdbSection.hh
https://www.hep.phy.cam.ac.uk/~lester/agdd/1999/agdbSection.hh6 Jan 2000: author" , Attribute::required), _topVolAtt("top_volume", Attribute::required), _topVolPtr(0) { }; void putMeIn(xml::Element & parent) { cout "section put me in" endl; xml::Element child = new xml::Element(); assert(child); -
ParticleExchange
https://www.hep.phy.cam.ac.uk/~thomson/partIIIparticles/handouts/Handout_3_2011.pdf11 Oct 2011: If we are then presented with a new Feynman diagram we don’t want to go through the full calculation again. -
Particle Flow Calorimetry and ILC Detector Design
https://www.hep.phy.cam.ac.uk/~thomson/talks/RALFinal.pdf10 Apr 2007: Limited by typical HCAL resolution of > 50%/E(GeV). a new approach to calorimetry. ... New paradigm – nobody really knows how to approach this. So where are we now? -
Neutrino Oscillations and the MINOS experiment
https://www.hep.phy.cam.ac.uk/~thomson/lectures/iss/iss2007_weak.pdf31 Jul 2007: 4. 5. β decay and neutrinosIn 1930 Pauli proposed that a new unobserved particle, “the neutrino”was emitted with the e- in β decay. -
Particle Flow Calorimetry and ILC Detector Design
https://www.hep.phy.cam.ac.uk/~thomson/talks/IoP2007_Thomson_ILC.pdf3 Apr 2007: new particle thresholds. ILC PHYSICS PROGRAMME. Can accumulate large samples ofcleanly identified/well-measured events. ... Limited by typical HCAL resolution of > 50%/E(GeV). a new approach to calorimetry. -
H1 H2 H3 H4 H5 H6 H7 H8 H9 ...
https://www.hep.phy.cam.ac.uk/~lester/teaching/partIIIparticles/handouts2023/H10.pdf12 Nov 2023: New structure function: F3(x, Q2):µp! µX. d2p. dx dy=. G2F s2. ... 1 y. 2. xF p3 (x, Q. 2)i. For anti-neutrino scattering new structure function enters with opposite sign̄µp! -
H1 H2 H3 H4 H5 H6 H7 H8 H9 ...
https://www.hep.phy.cam.ac.uk/~lester/teaching/partIIIparticles/handouts2023/H5.pdf25 Oct 2023: the new term: / sin2 2 , Magnetic interaction : due to the spin-spin interaction. -
Prof. M.A. Thomson Michaelmas 2011 459 Particle Physics Michaelmas ...
https://www.hep.phy.cam.ac.uk/~thomson/partIIIparticles/handouts/Handout_13_2011.pdf22 Nov 2011: The new diagram interferes negatively with the above two diagrams fixing the unitarity problem! ... Equivalently write the photon and in terms of the and a new neutral spin-1 boson the. -
Neutrino Oscillations and the MINOS experiment
https://www.hep.phy.cam.ac.uk/~thomson/MPP/partIIIparticles/Handout_5_2011.ppt10 Sep 2013: spin-spin interaction. the new term:. The above differential cross-section depends on a single parameter. -
https://www.hep.phy.cam.ac.uk/~lester/agdd/ageSCT.v1.cc
https://www.hep.phy.cam.ac.uk/~lester/agdd/ageSCT.v1.cc3 Aug 2000: agdd::Compos barrelCompos = new agdd::Compos(); barrelCompos-setName("sct_barrel_barrel"); barrelSection-setTopVol(barrelCompos); theAGDD-addSection(barrelSection); // Here is a Wafer. ... agdd::Box wafer = new agdd::Box; wafer-setName("sct_barrel_wafer") -
https://www.hep.phy.cam.ac.uk/~lester/agdd/1999/agdbInnerStruct.hh
https://www.hep.phy.cam.ac.uk/~lester/agdd/1999/agdbInnerStruct.hh6 Jan 2000: is rubbish" && false); // LESTER cout "InnerStruct put me in" endl; xml::Element child = new xml::Element(); assert(child); parent.addChild(child); child-setTagName(Base::getTagName()); }; public: }; } // end of agdb namespace #endif. -
MC4BSM3 Bryan Webber MC Theory Overview • General-purpose event ...
https://www.hep.phy.cam.ac.uk/theory/webber/MC4BSMbw.pdf8 Oct 2009: old, intermediate & new models1,11,21 Multiple-Parton Scattering on, for. old, intermediate & new modelsMSTP(82) 1. ... New event generator, written from scratch in C++. Matrix elements from AMEGIC,combined with own parton shower implementation.
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