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Research and Development of a Beam P...

Gooding, James William.

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Research and Development of a Beam Polarimeter Based on Dual Silicon Technology for a Proton Electric Dipole Moment Experiment.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Research and Development of a Beam Polarimeter Based on Dual Silicon Technology for a Proton Electric Dipole Moment Experiment./
作者:	Gooding, James William.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2023,
面頁冊數:	165 p.
附註:	Source: Dissertations Abstracts International, Volume: 85-05, Section: B.
Contained By:	Dissertations Abstracts International85-05B.
標題:	Quarks. -
電子資源:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30684940
ISBN:	9798380713993

Research and Development of a Beam Polarimeter Based on Dual Silicon Technology for a Proton Electric Dipole Moment Experiment.
Gooding, James William.

Research and Development of a Beam Polarimeter Based on Dual Silicon Technology for a Proton Electric Dipole Moment Experiment. - Ann Arbor : ProQuest Dissertations & Theses, 2023 - 165 p.

Source: Dissertations Abstracts International, Volume: 85-05, Section: B.

Thesis (Ph.D.)--The University of Liverpool (United Kingdom), 2023.

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

A next generation all electric storage ring has been proposed by the Julich electric dipole investigation (JEDI) group to make a measurement of the proton's electric dipole moment with a statistical sensitivity of approximately 10−29ecm. Due to the large number of breakthrough and emerging technologies that would be needed for such an experiment, it has been suggested that a smaller scale prototype ring should first be developed. This smaller prototype will store protons at a different energy to the final experiment meaning the current polarimeter designed to monitor beam polarization would not be suitable.A polarimeter based on high voltage CMOS (HV-CMOS) and low gain avalanche diode (LGAD) is designed to effectively measure the polarization of protons in the range of 30-45 MeV. This polarimeter uses a split carbon foil fixed target and the asymmetry at 22-40◦ and 48-65◦ scattering angles is used to determine the polarization of the beam. A time of flight region is used to measure the energy of the scattered particles allowing selection cuts removing inelastic events to be made. Simulations to reinforce the polarimeter design are conducted to assist the design of the polarimeter for optimum performance and set limits upon detector dimensions such as sensor thickness.Measurements are made to characterise the sensor technologies proposed for this experiment and a test beam telescope is constructed for measurements of protons at the Birmingham MC40 facility. Results of proton measurements from a several layer LGAD system are presented.

ISBN: 9798380713993Subjects--Topical Terms:

574214
Quarks.

Research and Development of a Beam Polarimeter Based on Dual Silicon Technology for a Proton Electric Dipole Moment Experiment.
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520 $a A next generation all electric storage ring has been proposed by the Julich electric dipole investigation (JEDI) group to make a measurement of the proton's electric dipole moment with a statistical sensitivity of approximately 10−29ecm. Due to the large number of breakthrough and emerging technologies that would be needed for such an experiment, it has been suggested that a smaller scale prototype ring should first be developed. This smaller prototype will store protons at a different energy to the final experiment meaning the current polarimeter designed to monitor beam polarization would not be suitable.A polarimeter based on high voltage CMOS (HV-CMOS) and low gain avalanche diode (LGAD) is designed to effectively measure the polarization of protons in the range of 30-45 MeV. This polarimeter uses a split carbon foil fixed target and the asymmetry at 22-40◦ and 48-65◦ scattering angles is used to determine the polarization of the beam. A time of flight region is used to measure the energy of the scattered particles allowing selection cuts removing inelastic events to be made. Simulations to reinforce the polarimeter design are conducted to assist the design of the polarimeter for optimum performance and set limits upon detector dimensions such as sensor thickness.Measurements are made to characterise the sensor technologies proposed for this experiment and a test beam telescope is constructed for measurements of protons at the Birmingham MC40 facility. Results of proton measurements from a several layer LGAD system are presented.
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