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Investigation of Light Baryons in Hot QCD

Yıl 2024, Cilt: 28 Sayı: 1, 155 - 166, 29.02.2024

Gülşah Bozkır

https://doi.org/10.16984/saufenbilder.1288843

Öz

We investigate the behavior of light baryons in hot QCD. To this aim, we evaluate the light baryons mass and residue in hot medium using the thermal correlation function with two-point by means of the thermal QCD sum rule. In sum rule calculations, we consider the additional thermal condensates appearing in Wilson expansion at T≠0. We determine the thermal continuum threshold using obtained sum rules expressions to analyze numerically. We observe that the masses and residues of light baryons stay approximately the same until the temperature reaches a certain value and then they fall with the temperature increase. We see that vacuum values of parameters in our calculations are in good consistency with other studies in the literature. Also, we define the fit functions that show how the spectroscopic parameters for light baryons behave at T≠0.

Anahtar Kelimeler

Light Baryons Thermal QCD Sum Rules Mass Residue

Kaynakça

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Yıl 2024, Cilt: 28 Sayı: 1, 155 - 166, 29.02.2024

Gülşah Bozkır

https://doi.org/10.16984/saufenbilder.1288843

Öz

Kaynakça

  • [1]M. A. Shifman, A. I. Vainstein, V. I. Zakharov, “QCD and resonance physics. Theoretical foundations,” Nuclear Physics B, vol. 147, pp. 385-447, 1979.
  • [2]M. A. Shifman, A. I. Vainstein, V. I. Zakharov, “QCD and resonance physics, applications,” Nuclear Physics B, vol. 147, pp. 448-518, 1979.
  • [3]A. I. Bochkarev, M. E. Shaposhnikov, “The spectrum of hot hadronic matter and finite-temperature QCD sum rules,” Nuclear Physics B, vol. 268, pp. 220-252, 1986.
  • [4]E. V. Shuryak, “Correlation functions in the QCD vacuum,” Reviews of Modern Physics, vol. 65, pp. 1-46, 1993.
  • [5]T. Hatsuda, Y. Koike, S. H. Lee, “Finite-temperature QCD sum rules reexamined: ρ,ω and A_1 mesons,” Nuclear Physics B, vol. 394, pp. 221-266, 1993.
  • [6]S. Mallik, S. Sarkar, “Vector and axial-vector mesons at finite temperature,” The European Physical Journal C-Particles and Fields, vol. 25, no. 3, pp. 445–452, 2002.
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  • [20]E. V. Veliev, K. Azizi, H. Sundu, N. Akşit, “Investigation of heavy-heavy pseudoscalar mesons in thermal QCD sum rules,”Journal of Physics G, vol. 39, no. 1, 015002, 2012.
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  • [24]C. A. Dominguez, M. Loewe, Y. Zhang, “The a_1 (1260) meson and chiral symmetry restoration and deconfinment at finite temperature QCD,” Nuclear Physics B, vol. 234, pp. 305-308, 2013.
  • [25]C. A. Dominguez, M. Loewe, Y. Zhang, “Chiral symmetry restoration and deconfinement in QCD at finite temperature,” Physical Review D, vol. 90, pp. 039903, 2014.
  • [26]R. Gao, Z. H. Guo, J. Y. Pang, “Thermal behaviors of light scalar resonances at low temperatures,” Physical Review D, vol. 100, pp. 114028, 2019.
  • [27]E. Veli Veliev, T. M. Aliev, “Thermal QCD sum rules for σ(600) meson,” Journal of Physics G: Nuclear and Particle Physics, vol. 35, 125002, 2008.
  • [28]S. Mallik, S. Sarkar, “Thermal QCD sum rules for mesons,” Physical Review D, vol. 66, 056008, 2002.
  • [29]A. Türkan, H. Dağ, J. Y. Süngü, E. Veli Veliev, “Light D-wave axial-tensor K_2 (1820) meson at finite temperature,” Europhsics Letters, vol. 126, 51001, 2019.
  • [30]J. Y. Süngü, A. Türkan, E. Sertbakan, E. Veli Veliev, “Axial-tensor Meson family at T≠0,” The European Physical Journal C, vol. 80, 943, 2020.
  • [31]J. Y. Süngü, A. Türkan, H. Sundu, E. Veli Veliev, “Impact of a thermal medium on newly observed Z_cs (3985) resonance and its b-partner,” The European Physical Journal C, vol. 82, 453, 2022.
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  • [33]C. Adami, I. Zahed, “Finite-temperature QCD sum rules for the nucleon,” Physical Review D, vol. 45, pp. 4312-4322, 1992.
  • [34]M. Kacir, I. Zahed, “Nucleons at Finite Temperature,” Physical Review D, vol. 54, pp. 5536-5544, 1996.
  • [35]S. Mallik, S. Sarkar, “Spectral representation and QCD sum rules for the nucleon at finite temperature,” Physical Review D, vol. 65, No. p. 016002, 2001.
  • [36]M. Abu-Shady, “Nucleon properties below the critical point temperature,” International Journal of Theoretical Physics, vol. 50, pp. 1372-1381, 2010.
  • [37]M. Abu-Shady, H. M. Mansour, “Quantized linear σ model at finite temperature, and nucleon properties,” Physical Review C, vol. 85, p. 055204, 2012.
  • [38]M. Abu-Shady, A. K. Abu-Nab, “Nucleon Properties at Finite Temperature in the Extended Quark-Sigma Model,” American Journal of Physics and Applications, vol. 2, pp. 46-51, 2014.
  • [39]C. Y. Ryu, C. H. Hyun, M.-K. Cheoun, “Magnetic moments of octet baryons at finite density and temperature,” Journal of Physics G: Nuclear and Particle Physics, vol. 37, pp. 105002, 2010.
  • [40]Y. Koike, “Octet Baryons at finite temperature: QCD sum rules vs. Chiral symmetry,” Physical Review D, vol. 48, pp. 2313, 1993.
  • [41]G. F. Burgio, H.-J. Schulze, A. Li, “Hyperon stars at finite temperature in the Brueckner theory,” Physical Review C, vol. 83, pp. 025804, 2011.
  • [42]A. Rios, A. Polls, A. Ramos, I. Vidana, “Bulk and single-particle properties of hyperonic matter at finite temperature,” Physical Review C, vol. 72, pp. 024316, 2005.
  • [43]P. F. Bedaque, “Chiral perturbation theory analysis of baryon temperature mass shifts,” Physics Letter B, vol. 387, pp. 1-8, 1996.
  • [44]J. M. Torres-Rincon, B. Sintes, J. Aichelin, “Flavor dependence of baryon melting temperature in effective models of QCD,” Physical Review C, vol. 91, pp. 065206, 2015.
  • [45]Y. Xu, Y. Liu, M. Huang, “The temperature dependence of the decuplet baryon masses from thermal QCD sum rules,” Communications in Theoretical Physics, vol. 63, pp. 209-214, 2015.
  • [46]S. Ghosh, S. Mitra, S. Sarkar, “Δ self-energy at finite temperature and density and the πN cross-section,” Physical Review D, vol. 95, pp. 056010, 2017.
  • [47]K. Azizi, G. Kaya, “Modifications on nucleon parameters at finite temperature,” The European Physical Journal Plus, vol. 130, pp. 172-183, 2015.
  • [48]K. Azizi, G. Kaya, “Thermal Behavior of the mass and residue of hyperons,” Journal of Physics G: Nuclear and Particle Physics, vol. 43, pp. 055002, 2016.
  • [49]K. Azizi, G. Bozkır, “Decuplet baryons in a hot medium,” European Physical Journal C, vol. 76, pp. 521-183, 2016.
  • [50]A. Ayala, A. Bashir, C. A. Dominguez, E. Gutierrez, M. Loewe, A. Raya, “QCD phase diagram from finite energy sum rules,” Physical Review D, vol. 84, pp. 056004, 2011.
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Toplam 56 adet kaynakça vardır.

Ayrıntılar

Birincil Dil İngilizce
Konular Metroloji,Uygulamalı ve Endüstriyel Fizik
Bölüm Araştırma Makalesi
Yazarlar

Gülşah Bozkır 0000-0002-3861-2016

Erken Görünüm Tarihi 27 Şubat 2024
Yayımlanma Tarihi 29 Şubat 2024
Gönderilme Tarihi 27 Nisan 2023
Kabul Tarihi 23 Ekim 2023
Yayımlandığı Sayı Yıl 2024 Cilt: 28 Sayı: 1

Kaynak Göster

APA Bozkır, G. (2024). Investigation of Light Baryons in Hot QCD. Sakarya University Journal of Science, 28(1), 155-166. https://doi.org/10.16984/saufenbilder.1288843
AMA Bozkır G. Investigation of Light Baryons in Hot QCD. SAUJS. Şubat 2024;28(1):155-166. doi:10.16984/saufenbilder.1288843
Chicago Bozkır, Gülşah. “Investigation of Light Baryons in Hot QCD”. Sakarya University Journal of Science 28, sy. 1 (Şubat 2024): 155-66. https://doi.org/10.16984/saufenbilder.1288843.
EndNote Bozkır G (01 Şubat 2024) Investigation of Light Baryons in Hot QCD. Sakarya University Journal of Science 28 1 155–166.
IEEE G. Bozkır, “Investigation of Light Baryons in Hot QCD”, SAUJS, c. 28, sy. 1, ss. 155–166, 2024, doi: 10.16984/saufenbilder.1288843.
ISNAD Bozkır, Gülşah. “Investigation of Light Baryons in Hot QCD”. Sakarya University Journal of Science 28/1 (Şubat 2024), 155-166. https://doi.org/10.16984/saufenbilder.1288843.
JAMA Bozkır G. Investigation of Light Baryons in Hot QCD. SAUJS. 2024;28:155–166.
MLA Bozkır, Gülşah. “Investigation of Light Baryons in Hot QCD”. Sakarya University Journal of Science, c. 28, sy. 1, 2024, ss. 155-66, doi:10.16984/saufenbilder.1288843.
Vancouver Bozkır G. Investigation of Light Baryons in Hot QCD. SAUJS. 2024;28(1):155-66.
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