'Muon decay' diaporamas de présentation

David M Webber University of Illinois at Urbana-Champaign (Now University of Wisconsin-Madison)

A PART-PER-MILLION MEASUREMENT OF THE POSITIVE MUON LIFETIME AND DETERMINATION OF THE FERMI CONSTANT. David M Webber University of Illinois at Urbana-Champaign (Now University of Wisconsin-Madison) December 9, 2010. Outline. Motivation Experiment Hardware Analysis Pulse Fitting

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The Mu2e Experiment at Fermilab

Mu2e-doc -3761-v1. The Mu2e Experiment at Fermilab. Rob Kutschke, Fermilab Aspen Winter Institute January 19 , 2014. http://mu2e.fnal.gov. About Half of Us: Nov 2013. The Mu2e Collaboration. Boston University Brookhaven National Laboratory University of California, Berkeley and

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Cosmic rays and particle generation

Cosmic rays and particle generation. Cosmic rays consist of high energy protons and nuclei emitted from stars including the Sun. The protons strike gas atoms in the upper atmosphere and produce new short lived particles and antiparticles.

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Electroweak Physics Lecture 5

Electroweak Physics Lecture 5. Contents. Top quark mass measurements at Tevatron Electroweak Measurements at low energy : Neutral Currents at low momentum transfer normally called low Q 2 Q is the four momentum of the boson Precision measurements on muons

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SUPER -KAMIOKANDE

SUPER -KAMIOKANDE. Kamiokande = Kamioka Nucleon Decay Experiment. Topics of Discussion. Detector Super-Kamiokande Solar neutrinos Results . Properties of Super-K. A Large Water Cherenkov Detector for Cosmic Particles Size: Cylinder of 41.4m (Height) x 39,9m (Diameter)

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Why do we need to do to determine neutrino fluxes to +- 10 -3

Why do we need to do to determine neutrino fluxes to +- 10 -3 at a Neutrino Factory or Beta-beam?. Flux Control and Resulting Constraints on the Decay Ring Design and Instrumentation. source: M. Apollonio et al, OSCILLATION PHYSICS WITH A NEUTRINO FACTORY

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Why do we believe that the neutrino fluxes can be determined to +- 10 -3

Why do we believe that the neutrino fluxes can be determined to +- 10 -3 at a Neutrino Factory?. Flux Control and Resulting Constraints on the Decay Ring Design. source: M. Apollonio et al, OSCILLATION PHYSICS WITH A NEUTRINO FACTORY arXiv:hep-ph/0210192 v1 13 Oct 2002.

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MEG ??????????????????? ??

MEG ??????????????????? ??. ???? ?????????? 24/Mar./2012 @ ?????? ICEPP, the University of Tokyo ?????. Introduction. e. e. ?. ?. ?. Studying radiative muon decay (RMD) is important and interesting have to evaluate background rate for search. timing calibration tool.

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DAQ System to Search for GRBs using Water Cerenkov Detectors

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TWIST Measuring the Space-Time Structure of Muon Decay

TWIST Measuring the Space-Time Structure of Muon Decay. Carl Gagliardi Texas A&M University TWIST Collaboration. Physics of TWIST Introduction to the Experiment Current Status. Muon Decay in a Model-Independent Form. The muon decay matrix element can be written as:.

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Physics 222 UCSD/225b UCSB

Physics 222 UCSD/225b UCSB. Lecture 2 Weak Interactions Intro and Overview V-A nature of weak current Nuclear beta decay. Weak Interactions. Some of the most surprising & mysterious phenomena in particle physics: Violates fundamental symmetries C, T, P, CP

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Measuring muon decay with TWIST

Measuring muon decay with TWIST. Glen Marshall, for the TWIST Collaboration CIPANP06, Puerto Rico. The T RIUMF W eak I nteraction S ymmetry T est. Tests Standard Model predictions for muon decay. Uses highly polarized ? + beam. Stops ? + in a very symmetric detector.

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Some Thoughts on MC Convergence

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MICE - Simulation/Optics Summary

MICE - Simulation/Optics Summary. Chris Rogers, UKNFIC 17th Feb 05. Simulation. Developing simulation Version 1.0 released!! Big step for the Simulation Means we have full geometry etc in G4MICE Some talks on Physics processes/modelling in G4MICE Two MICE-Notes posted.

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Decay Rates: Pions

Decay Rates: Pions. u. dbar. Look at pion branching fractions (BF) The Beta decay is the easiest. ~Same as neutron beta decay Q= 4.1 MeV. Assume FT=1600 s. LogF=3.2 (from plot) F= 1600 gives partial width(-1) T=1600/F=1 sec or partial width = 1 sec-1. Pi Decay to e-nu vs mu-nu.

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Consequences of and evidence for special relativity

Consequences of and evidence for special relativity. By the end of this topic you should be able to: solve problems with relativistic energy , E = ? m 0 c 2 ; describe muon decay experiments as evidence for time dilation and length contraction ;

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Neutron Beta Decay

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Neutron Beta Decay

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Constraints on Muon Decay Parameters from Neutrino Mass

Constraints on Muon Decay Parameters from Neutrino Mass. Rebecca J. Erwin Jennifer E. Kile M. Ramsey-Musolf Peng Wang California Institute of Technology. The Big Picture. Neutrinos have mass: new physics! Approaches: number of flavors, mass scale, mixing, Dirac vs. Majorana, . . .

227 views • 8 slides