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A Measurement of the Anomalous Prece...

Sweigart, David Allen.

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A Measurement of the Anomalous Precession Frequency of the Positive Muon.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	A Measurement of the Anomalous Precession Frequency of the Positive Muon./
作者:	Sweigart, David Allen.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2020,
面頁冊數:	308 p.
附註:	Source: Dissertations Abstracts International, Volume: 81-12, Section: B.
Contained By:	Dissertations Abstracts International81-12B.
標題:	Particle physics. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=27671436
ISBN:	9798645486808

A Measurement of the Anomalous Precession Frequency of the Positive Muon.
Sweigart, David Allen.

A Measurement of the Anomalous Precession Frequency of the Positive Muon. - Ann Arbor : ProQuest Dissertations & Theses, 2020 - 308 p.

Source: Dissertations Abstracts International, Volume: 81-12, Section: B.

Thesis (Ph.D.)--Cornell University, 2020.

This item must not be sold to any third party vendors.

The measurement of the muon's anomalous magnetic moment has been a historic test of our theoretical understanding of elementary particles and their interactions. At present, the world average is in tension with the value predicted by the Standard Model of particle physics by more than three standard deviations, possibly caused by new physics interactions. To resolve this discrepancy, the Muon g-2 experiment at Fermi National Accelerator Laboratory aims to measure the muon's anomalous magnetic moment to a record 140 parts per billon using data taken over four years from 2018 to 2021. The experimental method involves trapping a polarized beam of positive muons in a storage ring containing an extremely uniform magnetic field. The difference in the muons' cyclotron and spin-precession frequencies, the anomalous precession frequency, is directly proportional to the muon's anomalous magnetic moment. This dissertation motivates making an improved measurement of the muon's anomalous magnetic moment; outlines the experimental method, with a focus on the backend electronics; and details the algorithm used to reconstruct the decay positrons impacting the electromagnetic calorimeters around the ring. Using data taken in 2018, a blinded measurement of the muon's anomalous precession frequency to 410 parts per billion is then presented, which will allow the muon's anomalous magnetic moment to be determined with a precision comparable to that of the world average.

ISBN: 9798645486808Subjects--Topical Terms:

3433269
Particle physics.
Subjects--Index Terms:

Anomalous magnetic moment

A Measurement of the Anomalous Precession Frequency of the Positive Muon.
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300 $a 308 p.
500 $a Source: Dissertations Abstracts International, Volume: 81-12, Section: B.
500 $a Advisor: Gibbons, Lawrence.
502 $a Thesis (Ph.D.)--Cornell University, 2020.
506 $a This item must not be sold to any third party vendors.
520 $a The measurement of the muon's anomalous magnetic moment has been a historic test of our theoretical understanding of elementary particles and their interactions. At present, the world average is in tension with the value predicted by the Standard Model of particle physics by more than three standard deviations, possibly caused by new physics interactions. To resolve this discrepancy, the Muon g-2 experiment at Fermi National Accelerator Laboratory aims to measure the muon's anomalous magnetic moment to a record 140 parts per billon using data taken over four years from 2018 to 2021. The experimental method involves trapping a polarized beam of positive muons in a storage ring containing an extremely uniform magnetic field. The difference in the muons' cyclotron and spin-precession frequencies, the anomalous precession frequency, is directly proportional to the muon's anomalous magnetic moment. This dissertation motivates making an improved measurement of the muon's anomalous magnetic moment; outlines the experimental method, with a focus on the backend electronics; and details the algorithm used to reconstruct the decay positrons impacting the electromagnetic calorimeters around the ring. Using data taken in 2018, a blinded measurement of the muon's anomalous precession frequency to 410 parts per billion is then presented, which will allow the muon's anomalous magnetic moment to be determined with a precision comparable to that of the world average.
590 $a School code: 0058.
650 4 $a Particle physics. $3 3433269
653 $a Anomalous magnetic moment
653 $a Muon
653 $a Precession frequency
653 $a Precision
690 $a 0798
710 2 $a Cornell University. $b Physics. $3 3173885
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