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Jets and Metastability in Quantum Me...

Farhi, David.

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Jets and Metastability in Quantum Mechanics and Quantum Field Theory.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Jets and Metastability in Quantum Mechanics and Quantum Field Theory./
Author:	Farhi, David.
Description:	177 p.
Notes:	Source: Dissertation Abstracts International, Volume: 77-09(E), Section: B.
Contained By:	Dissertation Abstracts International77-09B(E).
Subject:	High energy physics. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10102862
ISBN:	9781339664903

Jets and Metastability in Quantum Mechanics and Quantum Field Theory.
Farhi, David.

Jets and Metastability in Quantum Mechanics and Quantum Field Theory. - 177 p.

Source: Dissertation Abstracts International, Volume: 77-09(E), Section: B.

Thesis (Ph.D.)--Harvard University, 2016.

I give a high level overview of the state of particle physics in the introduction, accessible without any background in the field. I discuss improvements of theoretical and statistical methods used for collider physics. These include telescoping jets, a statistical method which was claimed to allow jet searches to increase their sensitivity by considering several interpretations of each event. We find that indeed multiple interpretations extend the power of searches, for both simple counting experiments and powerful multivariate fitting experiments, at least for h → bb¯ at the LHC. Then I propose a method for automation of background calculations using SCET by appropriating the technology of Monte Carlo generators such as MadGraph.

ISBN: 9781339664903Subjects--Topical Terms:

2144759
High energy physics.

Jets and Metastability in Quantum Mechanics and Quantum Field Theory.
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020 $a 9781339664903
035 $a (MiAaPQ)AAI10102862
035 $a AAI10102862
040 $a MiAaPQ $c MiAaPQ
100 1 $a Farhi, David. $3 3194639
245 1 0 $a Jets and Metastability in Quantum Mechanics and Quantum Field Theory.
300 $a 177 p.
500 $a Source: Dissertation Abstracts International, Volume: 77-09(E), Section: B.
500 $a Adviser: Matthew D. Schwartz.
502 $a Thesis (Ph.D.)--Harvard University, 2016.
520 $a I give a high level overview of the state of particle physics in the introduction, accessible without any background in the field. I discuss improvements of theoretical and statistical methods used for collider physics. These include telescoping jets, a statistical method which was claimed to allow jet searches to increase their sensitivity by considering several interpretations of each event. We find that indeed multiple interpretations extend the power of searches, for both simple counting experiments and powerful multivariate fitting experiments, at least for h → bb¯ at the LHC. Then I propose a method for automation of background calculations using SCET by appropriating the technology of Monte Carlo generators such as MadGraph.
520 $a In the third chapter I change gears and discuss the future of the universe. It has long been known that our pocket of the standard model is unstable; there is a lower-energy configuration in a remote part of the configuration space, to which our universe will, eventually, decay. While the timescales involved are on the order of 10400 years (depending on how exactly one counts) and thus of no immediate worry, I discuss the shortcomings of the standard methods and propose a more physically motivated derivation for the decay rate. I then make various observations about the structure of decays in quantum field theory.
590 $a School code: 0084.
650 4 $a High energy physics. $3 2144759
690 $a 0798
710 2 $a Harvard University. $b Physics. $3 2094825
773 0 $t Dissertation Abstracts International $g 77-09B(E).
790 $a 0084
791 $a Ph.D.
792 $a 2016
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10102862