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Compton Scattering Measurements of Ar and O2 Using 59.54 keV Gamma-rays

Yıl 2020, Cilt: 9 Sayı: 1, 19 - 23, 18.06.2020

Erdem Şakar Ali Gürol

https://doi.org/10.46810/tdfd.717484

Öz

In this study, it has been investigated of the Compton profiles (CP) of the Ar and O2 gases using a Compton spectrometer having annular 241Am radioactive source. The photons emitted from the radioactive source and scattered photons from the samples were recorded using HPGe detector. In order to obtain experimental Compton profiles of the samples the Warwick codes were used. The experimental results obtained were compared with the theoretical results calculated by Hartree-Fock method. The results clearly show that the experimental and theoretical results are in good agreement, especially in the high momentum region. It was observed that while the difference between the experimental and theoretical results of Ar and O2 gases in the pz = 0 region is about 4%, this difference is below 1% after pz = 2.

Anahtar Kelimeler

Compton profile scattering gases Hartree-Fock method gamma rays electron momentum distribution

Kaynakça

  • [1] Cooper MJ. Compton scattering and the study of electron momentum density distributions. Radiat. Phys. Chem. 1997;50(1): 63-76.
  • [2] Williams BG. Compton Scattering: The Investigation of Electron Momentum Distributions: McGraw-Hill International; 1977.
  • [3] Şakar E, Akbaba U, Zukowski E, Gürol A. Gamma and neutron radiation effect on Compton profile of the multi-walled carbon nanotubes. Nucl. Instrum. Meth. B. 2018; 437:20-26.
  • [4] Meena BS, Heda NL, Kumar K, Bhatt S, Mund HS, Ahuja BL. Compton profiles and Mulliken’s populations of cobalt, nickel and copper tungstates: Experiment and theory. Physica B: Condensed Matter. 2016; 484, 1-6.
  • [5] Schülke W, Electron dynamics by inelastic X-ray scattering. Oxford University Press. 2007.
  • [6] Eisenberger P, Platzman PM, Compton Scattering of X-Rays from Bound Electrons. Phys Rev A. 1970; 2(2), 415-423.
  • [7] Eisenberger P, Reed WA. Gamma-Ray Compton-Scattering - Experimental Compton Profiles for He, N2, Ar, and Kr. Phys Rev A. 1972; 5(5), 2085-2094.
  • [8] Tong BY, Lam L, Compton Profiles of Ne, Ar, and Kr. Phys Rev A. 1978; 18, 552-558.
  • [9] Kobayashi K, Itou M, Hosoya T, Tsuji N, Sakurai Y, Sakurai H, Accurate Compton scattering measurements for N-2 molecules. J Phys B-at Mol Opt 44. 2011; 115102: 4pp.
  • [10] Sakurai H, Ota H, Tsuji N, Itou M, Sakurai Y, Accurate Compton scatteringmeasurements of noble gases: the importance of electron correlations in heavy atoms. J. Phys. B: At. Mol. Opt. Phys. 44. 2011; 065001 (4pp).
  • [11] Ma YP, Zhao XL, Liu YW, Xu LQ, Kang X, Ni DD, Yan S, Zhu LF, Yang K, Investigation of Compton profiles of NO and C2H2. Acta Phys Sin. 2015; 64 (15).153302.
  • [12] Weyrich W. Electron Momentum Distribution in Solid Potassium Fluoride, Studied by Compton-Scattering. Ber Bunsen Phys Chem. 1975; 79 (11), 1085-1095.
  • [13] Gerward L, Guilbert N, Jensen KB, Levring H. WinXCom- a program for calculating X-ray attenuation coefficients. Radiat. Phys. Chem. 2004; 71(3), 653–654.
  • [14] Şakar E, Özpolat ÖF, Alım B, Sayyed MI, Kurudirek M. Phy-X/PSD: Development of a user friendly online software for calculation of parameters relevant to radiation shielding and dosimetry. Radiat. Phys. Chem., 2020; 166, 108496.
  • [15] Timms DN. Ph.D. Thesis (Unpublished), University of Warwick, UK, 1989.

59.54 keV’lik Gama-ışınları Kullanılarak Ar ve O2’nin Compton Saçılma Ölçümleri

Yıl 2020, Cilt: 9 Sayı: 1, 19 - 23, 18.06.2020

Erdem Şakar Ali Gürol

https://doi.org/10.46810/tdfd.717484

Öz

Bu çalışmada, dairesel 241Am radyoaktif kaynağa sahip bir Compton spektrometresi kullanılarak Ar ve O2 gazlarının Compton profilleri araştırılmıştır. Radyoaktif kaynaktan yayınlanan fotonlar ve numunelerden saçılan fotonlar HPGe detektörü kullanılarak kaydedildi. Numunelerin deneysel Compton profillerini elde etmek için Warwick kodları kullanıldı. Elde edilen deneysel sonuçlar Hartree-Fock yöntemi ile hesaplanan teorik sonuçlarla karşılaştırıldı. Sonuçlar, özellikle yüksek momentum bölgesinde deneysel ve teorik sonuçların uyumlu olduğunu açıkça göstermektedir. pz = 0 bölgesindeki Ar ve O2 gazlarının deneysel ve teorik sonuçları arasındaki fark yaklaşık % 4 iken pz = 2'den sonra bu farkın % 1'in altında olduğu görülmüştür.

Anahtar Kelimeler

Compton profile saçılma gazlar Hartree-Fock metodu gama ışınları elektron momentum dağılımı

Kaynakça

  • [1] Cooper MJ. Compton scattering and the study of electron momentum density distributions. Radiat. Phys. Chem. 1997;50(1): 63-76.
  • [2] Williams BG. Compton Scattering: The Investigation of Electron Momentum Distributions: McGraw-Hill International; 1977.
  • [3] Şakar E, Akbaba U, Zukowski E, Gürol A. Gamma and neutron radiation effect on Compton profile of the multi-walled carbon nanotubes. Nucl. Instrum. Meth. B. 2018; 437:20-26.
  • [4] Meena BS, Heda NL, Kumar K, Bhatt S, Mund HS, Ahuja BL. Compton profiles and Mulliken’s populations of cobalt, nickel and copper tungstates: Experiment and theory. Physica B: Condensed Matter. 2016; 484, 1-6.
  • [5] Schülke W, Electron dynamics by inelastic X-ray scattering. Oxford University Press. 2007.
  • [6] Eisenberger P, Platzman PM, Compton Scattering of X-Rays from Bound Electrons. Phys Rev A. 1970; 2(2), 415-423.
  • [7] Eisenberger P, Reed WA. Gamma-Ray Compton-Scattering - Experimental Compton Profiles for He, N2, Ar, and Kr. Phys Rev A. 1972; 5(5), 2085-2094.
  • [8] Tong BY, Lam L, Compton Profiles of Ne, Ar, and Kr. Phys Rev A. 1978; 18, 552-558.
  • [9] Kobayashi K, Itou M, Hosoya T, Tsuji N, Sakurai Y, Sakurai H, Accurate Compton scattering measurements for N-2 molecules. J Phys B-at Mol Opt 44. 2011; 115102: 4pp.
  • [10] Sakurai H, Ota H, Tsuji N, Itou M, Sakurai Y, Accurate Compton scatteringmeasurements of noble gases: the importance of electron correlations in heavy atoms. J. Phys. B: At. Mol. Opt. Phys. 44. 2011; 065001 (4pp).
  • [11] Ma YP, Zhao XL, Liu YW, Xu LQ, Kang X, Ni DD, Yan S, Zhu LF, Yang K, Investigation of Compton profiles of NO and C2H2. Acta Phys Sin. 2015; 64 (15).153302.
  • [12] Weyrich W. Electron Momentum Distribution in Solid Potassium Fluoride, Studied by Compton-Scattering. Ber Bunsen Phys Chem. 1975; 79 (11), 1085-1095.
  • [13] Gerward L, Guilbert N, Jensen KB, Levring H. WinXCom- a program for calculating X-ray attenuation coefficients. Radiat. Phys. Chem. 2004; 71(3), 653–654.
  • [14] Şakar E, Özpolat ÖF, Alım B, Sayyed MI, Kurudirek M. Phy-X/PSD: Development of a user friendly online software for calculation of parameters relevant to radiation shielding and dosimetry. Radiat. Phys. Chem., 2020; 166, 108496.
  • [15] Timms DN. Ph.D. Thesis (Unpublished), University of Warwick, UK, 1989.
Toplam 15 adet kaynakça vardır.

Ayrıntılar

Birincil Dil İngilizce
Bölüm Makaleler
Yazarlar

Erdem Şakar 0000-0002-1359-4464

Ali Gürol 0000-0001-9494-3533

Yayımlanma Tarihi 18 Haziran 2020
Yayımlandığı Sayı Yıl 2020 Cilt: 9 Sayı: 1

Kaynak Göster

APA Şakar, E., & Gürol, A. (2020). Compton Scattering Measurements of Ar and O2 Using 59.54 keV Gamma-rays. Türk Doğa Ve Fen Dergisi, 9(1), 19-23. https://doi.org/10.46810/tdfd.717484
AMA Şakar E, Gürol A. Compton Scattering Measurements of Ar and O2 Using 59.54 keV Gamma-rays. TDFD. Haziran 2020;9(1):19-23. doi:10.46810/tdfd.717484
Chicago Şakar, Erdem, ve Ali Gürol. “Compton Scattering Measurements of Ar and O2 Using 59.54 KeV Gamma-Rays”. Türk Doğa Ve Fen Dergisi 9, sy. 1 (Haziran 2020): 19-23. https://doi.org/10.46810/tdfd.717484.
EndNote Şakar E, Gürol A (01 Haziran 2020) Compton Scattering Measurements of Ar and O2 Using 59.54 keV Gamma-rays. Türk Doğa ve Fen Dergisi 9 1 19–23.
IEEE E. Şakar ve A. Gürol, “Compton Scattering Measurements of Ar and O2 Using 59.54 keV Gamma-rays”, TDFD, c. 9, sy. 1, ss. 19–23, 2020, doi: 10.46810/tdfd.717484.
ISNAD Şakar, Erdem - Gürol, Ali. “Compton Scattering Measurements of Ar and O2 Using 59.54 KeV Gamma-Rays”. Türk Doğa ve Fen Dergisi 9/1 (Haziran 2020), 19-23. https://doi.org/10.46810/tdfd.717484.
JAMA Şakar E, Gürol A. Compton Scattering Measurements of Ar and O2 Using 59.54 keV Gamma-rays. TDFD. 2020;9:19–23.
MLA Şakar, Erdem ve Ali Gürol. “Compton Scattering Measurements of Ar and O2 Using 59.54 KeV Gamma-Rays”. Türk Doğa Ve Fen Dergisi, c. 9, sy. 1, 2020, ss. 19-23, doi:10.46810/tdfd.717484.
Vancouver Şakar E, Gürol A. Compton Scattering Measurements of Ar and O2 Using 59.54 keV Gamma-rays. TDFD. 2020;9(1):19-23.
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