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Inelastic Compton Scattering on the ...

Demissie, Berhan T.

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Inelastic Compton Scattering on the Deuteron and Extraction of Neutron Polarizabilities.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Inelastic Compton Scattering on the Deuteron and Extraction of Neutron Polarizabilities./
作者:	Demissie, Berhan T.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2018,
面頁冊數:	219 p.
附註:	Source: Dissertation Abstracts International, Volume: 79-08(E), Section: B.
Contained By:	Dissertation Abstracts International79-08B(E).
標題:	Nuclear physics and radiation. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10745904
ISBN:	9780355795301

Inelastic Compton Scattering on the Deuteron and Extraction of Neutron Polarizabilities.
Demissie, Berhan T.

Inelastic Compton Scattering on the Deuteron and Extraction of Neutron Polarizabilities. - Ann Arbor : ProQuest Dissertations & Theses, 2018 - 219 p.

Source: Dissertation Abstracts International, Volume: 79-08(E), Section: B.

Thesis (Ph.D.)--The George Washington University, 2018.

The electric and magnetic dipole polarizabilities are fundamental quantities that parameterize the responses of the charge and current distributions inside the nucleon, respectively, to an external electromagnetic probe.

ISBN: 9780355795301Subjects--Topical Terms:

3173793
Nuclear physics and radiation.

Inelastic Compton Scattering on the Deuteron and Extraction of Neutron Polarizabilities.
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245 1 0 $a Inelastic Compton Scattering on the Deuteron and Extraction of Neutron Polarizabilities.
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300 $a 219 p.
500 $a Source: Dissertation Abstracts International, Volume: 79-08(E), Section: B.
500 $a Adviser: Harald W. Griesshammer.
502 $a Thesis (Ph.D.)--The George Washington University, 2018.
520 $a The electric and magnetic dipole polarizabilities are fundamental quantities that parameterize the responses of the charge and current distributions inside the nucleon, respectively, to an external electromagnetic probe.
520 $a In this project, we explore the electric (alphan) and magnetic (betan) dipole polarizabilities of the neutron through inelastic Compton scattering on the deuteron. The neutron Impulse Approximation (IA), where the photon interacts only with the bound neutron and the spectator proton is at rest, is analyzed at the Compton-optimized neutron quasi-free peak (C-nqfp)---a kinematic condition where the energy of the incoming photon is 200 < o 120°---in chiEFT with dynamic Delta(1232). Under those conditions, corrections to the IA amplitude are negligible and the inelastic channel effectively becomes a weighted elastic Compton scattering off the quasi-free neutron.
520 $a The neutron IA interaction at the C-nqfp is explored through one- and two-parameter fits of alphan -- betan using different subsets of the quasi-free neutron database. The fits are consistent with each other within uncertainties and our best value for alphan -- beta n is alphan -- betan = 5:9 -- 2:9 (stat) -- 3:6 (theory). The proton IA interaction is also analyzed through similar set of fits at the analogous C-pqfp. The quasi-free proton analysis investigates the reliability of the quasi-free nucleon kinematic approach for polarizability study.
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650 4 $a Nuclear physics and radiation. $3 3173793
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