Pub Date : 2026-02-06DOI: 10.1016/j.jqsrt.2026.109856
Yan Sun, Feng Hu, Qing Chen, CuiCui Sang, Dongdong Liu, Xi Liu, Chong Han, Zhe Shi
{"title":"Theoretical study of energy levels and radiative transitions of K-shell excited states in the Be-like Sc 17 + ion","authors":"Yan Sun, Feng Hu, Qing Chen, CuiCui Sang, Dongdong Liu, Xi Liu, Chong Han, Zhe Shi","doi":"10.1016/j.jqsrt.2026.109856","DOIUrl":"https://doi.org/10.1016/j.jqsrt.2026.109856","url":null,"abstract":"","PeriodicalId":16935,"journal":{"name":"Journal of Quantitative Spectroscopy & Radiative Transfer","volume":"23 1","pages":""},"PeriodicalIF":2.3,"publicationDate":"2026-02-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146134654","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2026-02-05DOI: 10.1016/j.jqsrt.2026.109853
Neranga K. Hannadige, Guangliang Fu, Bastiaan van Diedenhoven, Hailing Jia, Zihao Yuan, Otto Hasekamp
{"title":"Estimation of Cloud Condensation Nuclei (CCN) using a neural network retrieval algorithm—A synthetic study for SPEXone on the NASA PACE mission","authors":"Neranga K. Hannadige, Guangliang Fu, Bastiaan van Diedenhoven, Hailing Jia, Zihao Yuan, Otto Hasekamp","doi":"10.1016/j.jqsrt.2026.109853","DOIUrl":"https://doi.org/10.1016/j.jqsrt.2026.109853","url":null,"abstract":"","PeriodicalId":16935,"journal":{"name":"Journal of Quantitative Spectroscopy & Radiative Transfer","volume":"126 1","pages":""},"PeriodicalIF":2.3,"publicationDate":"2026-02-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146134658","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2026-02-05DOI: 10.1016/j.jqsrt.2026.109861
Zhiguo Xu, Jingxiang Wang
{"title":"Near field heat transfer in heterostructure with twisted bilayer graphene grating/hBN","authors":"Zhiguo Xu, Jingxiang Wang","doi":"10.1016/j.jqsrt.2026.109861","DOIUrl":"https://doi.org/10.1016/j.jqsrt.2026.109861","url":null,"abstract":"","PeriodicalId":16935,"journal":{"name":"Journal of Quantitative Spectroscopy & Radiative Transfer","volume":"15 1","pages":""},"PeriodicalIF":2.3,"publicationDate":"2026-02-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146134657","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2026-02-03DOI: 10.1016/j.jqsrt.2026.109857
Domingo Heras, Wenqin Li, Ibon Alkorta, Ruth Pinacho, Lourdes Enríquez, J. Emiliano Rubio, Cristóbal Pérez, Alberto Lesarri
{"title":"Rotational investigation of Biarylic Thienyl Pyridines and their Monohydrates: The Role of the S···N Intramolecular Interaction","authors":"Domingo Heras, Wenqin Li, Ibon Alkorta, Ruth Pinacho, Lourdes Enríquez, J. Emiliano Rubio, Cristóbal Pérez, Alberto Lesarri","doi":"10.1016/j.jqsrt.2026.109857","DOIUrl":"https://doi.org/10.1016/j.jqsrt.2026.109857","url":null,"abstract":"","PeriodicalId":16935,"journal":{"name":"Journal of Quantitative Spectroscopy & Radiative Transfer","volume":"8 1","pages":""},"PeriodicalIF":2.3,"publicationDate":"2026-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146110483","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2026-01-29DOI: 10.1016/j.jqsrt.2026.109842
Indranath Mukhopadhyay
{"title":"High-resolution Synchrotron radiation-assisted Fourier transform infrared spectrum of the CD2 wagging band of methanol-D2 (CHD2OH) for the lower gauche- (o1) torsional vibrational state","authors":"Indranath Mukhopadhyay","doi":"10.1016/j.jqsrt.2026.109842","DOIUrl":"https://doi.org/10.1016/j.jqsrt.2026.109842","url":null,"abstract":"","PeriodicalId":16935,"journal":{"name":"Journal of Quantitative Spectroscopy & Radiative Transfer","volume":"54 1","pages":""},"PeriodicalIF":2.3,"publicationDate":"2026-01-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146071591","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2026-01-28DOI: 10.1016/j.jqsrt.2026.109855
Ehsan Mofidipour, Matthew R. Jones, Brian D. Iverson
{"title":"In-Plane Spectral, Directional Radiative Properties of Flat and Corrugated Polished Copper Surfaces between 550 and 1100 nm","authors":"Ehsan Mofidipour, Matthew R. Jones, Brian D. Iverson","doi":"10.1016/j.jqsrt.2026.109855","DOIUrl":"https://doi.org/10.1016/j.jqsrt.2026.109855","url":null,"abstract":"","PeriodicalId":16935,"journal":{"name":"Journal of Quantitative Spectroscopy & Radiative Transfer","volume":"53 1","pages":""},"PeriodicalIF":2.3,"publicationDate":"2026-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146071594","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The room-temperature continuum absorption of pure methane and of its mixture with nitrogen and carbon dioxide was measured in the millimeter wavelength range using resonator spectrometer. The line wings contribution to the continuum was estimated to be weak. The bimolecular nature of the observed continuum was confirmed by both the expected pressure dependences and the agreement with trajectory-based simulation.
{"title":"Continuum absorption of millimeter waves by CH4-X (X=CH4, N2, CO2)","authors":"A.O. Koroleva , T.A. Galanina , I.S. Amerkhanov , E.A. Serov , A.Yu. Sekacheva , M.A. Koshelev , D.N. Chistikov , A.A. Finenko , M.Yu. Tretyakov","doi":"10.1016/j.jqsrt.2026.109841","DOIUrl":"10.1016/j.jqsrt.2026.109841","url":null,"abstract":"<div><div>The room-temperature continuum absorption of pure methane and of its mixture with nitrogen and carbon dioxide was measured in the millimeter wavelength range using resonator spectrometer. The line wings contribution to the continuum was estimated to be weak. The bimolecular nature of the observed continuum was confirmed by both the expected pressure dependences and the agreement with trajectory-based simulation.</div></div>","PeriodicalId":16935,"journal":{"name":"Journal of Quantitative Spectroscopy & Radiative Transfer","volume":"353 ","pages":"Article 109841"},"PeriodicalIF":1.9,"publicationDate":"2026-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146048523","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
<div><div>The high resolution submillimeter wave spectra of methylene chloride (earlier recorded in the I. Physikalisches Institut, Universität zu Köln (Germany) and Laboratoire PhLAM, Université de Lille (France) in the wide spectral region of 0.075–1.1 THz) were analyzed with the goal of high accurate description of the quadrupole-rotational structures of the <sup>12</sup>CH<sub>2</sub><sup>35</sup>Cl<sup>37</sup>Cl species in the (<span><math><msub><mrow><mi>v</mi></mrow><mrow><mn>4</mn></mrow></msub></math></span> = 1) and (<span><math><msub><mrow><mi>v</mi></mrow><mrow><mn>4</mn></mrow></msub></math></span> = 2) vibrational states. Assignment and analysis of transitions was made in the frame of the Watson’s Hamiltonian in <span><math><mrow><mi>A</mi><mo>−</mo></mrow></math></span>reduction and <span><math><mrow><msup><mrow><mi>I</mi></mrow><mrow><mi>r</mi></mrow></msup><mo>−</mo></mrow></math></span> representation with the use of the ASYMTOPTPU computer code and SPFIT/SPCAT package of Pickett. The 4983 unresolved lines (4088 transitions) in the excited (<span><math><msub><mrow><mi>v</mi></mrow><mrow><mn>4</mn></mrow></msub></math></span> = 1) vibrational state and 842 lines (1420 transitions) in the (<span><math><msub><mrow><mi>v</mi></mrow><mrow><mn>4</mn></mrow></msub></math></span> = 2)) vibrational state with the maximum values of quantum number <span><math><msup><mrow><mi>J</mi></mrow><mrow><mtext>max</mtext></mrow></msup></math></span> = 95/79 and <span><math><msubsup><mrow><mi>K</mi></mrow><mrow><mi>a</mi></mrow><mrow><mtext>max</mtext></mrow></msubsup></math></span> = 19/19 for the (<span><math><msub><mrow><mi>v</mi></mrow><mrow><mn>4</mn></mrow></msub></math></span> = 1) and (<span><math><msub><mrow><mi>v</mi></mrow><mrow><mn>4</mn></mrow></msub></math></span> = 2) vibrational states were assigned in the experimental spectra. Weighted fit of the rotational and centrifugal distortion parameters, as well as, of the quadrupole splitting parameters was made. The obtained from the fit 19/16 rotational and centrifugal distortion parameters reproduces values of the 4983/842 experimental line positions (4088/1420 transitions) with the <span><math><msub><mrow><mi>d</mi></mrow><mrow><mtext>rms</mtext></mrow></msub></math></span> = 21/26 kHz for the states (<span><math><msub><mrow><mi>v</mi></mrow><mrow><mn>4</mn></mrow></msub></math></span> = 1) and (<span><math><msub><mrow><mi>v</mi></mrow><mrow><mn>4</mn></mrow></msub></math></span> = 2). Comparison with the rotational and centrifugal distortion parameters known in the literature is made and shown that the latter reproduce the same (assigned in the present study) set of the experimental line positions with the <span><math><msub><mrow><mi>d</mi></mrow><mrow><mtext>rms</mtext></mrow></msub></math></span> values which are considerably worse in comparison with the results of the present study. As to the quadrupole coupling <span><math><mrow><mi>χ</mi><mo>−</mo></mrow></math></span>parameters,
{"title":"High accurate analysis of the excited (v4 = 1) and (v4 = 2) vibrational states of 12CH235Cl37Cl in the region up to 1.1 THz","authors":"O.N. Ulenikov, O.V. Gromova, E.S. Bekhtereva, Yu.V. Khudyakova, V.E. Nikolaeva","doi":"10.1016/j.jqsrt.2026.109832","DOIUrl":"10.1016/j.jqsrt.2026.109832","url":null,"abstract":"<div><div>The high resolution submillimeter wave spectra of methylene chloride (earlier recorded in the I. Physikalisches Institut, Universität zu Köln (Germany) and Laboratoire PhLAM, Université de Lille (France) in the wide spectral region of 0.075–1.1 THz) were analyzed with the goal of high accurate description of the quadrupole-rotational structures of the <sup>12</sup>CH<sub>2</sub><sup>35</sup>Cl<sup>37</sup>Cl species in the (<span><math><msub><mrow><mi>v</mi></mrow><mrow><mn>4</mn></mrow></msub></math></span> = 1) and (<span><math><msub><mrow><mi>v</mi></mrow><mrow><mn>4</mn></mrow></msub></math></span> = 2) vibrational states. Assignment and analysis of transitions was made in the frame of the Watson’s Hamiltonian in <span><math><mrow><mi>A</mi><mo>−</mo></mrow></math></span>reduction and <span><math><mrow><msup><mrow><mi>I</mi></mrow><mrow><mi>r</mi></mrow></msup><mo>−</mo></mrow></math></span> representation with the use of the ASYMTOPTPU computer code and SPFIT/SPCAT package of Pickett. The 4983 unresolved lines (4088 transitions) in the excited (<span><math><msub><mrow><mi>v</mi></mrow><mrow><mn>4</mn></mrow></msub></math></span> = 1) vibrational state and 842 lines (1420 transitions) in the (<span><math><msub><mrow><mi>v</mi></mrow><mrow><mn>4</mn></mrow></msub></math></span> = 2)) vibrational state with the maximum values of quantum number <span><math><msup><mrow><mi>J</mi></mrow><mrow><mtext>max</mtext></mrow></msup></math></span> = 95/79 and <span><math><msubsup><mrow><mi>K</mi></mrow><mrow><mi>a</mi></mrow><mrow><mtext>max</mtext></mrow></msubsup></math></span> = 19/19 for the (<span><math><msub><mrow><mi>v</mi></mrow><mrow><mn>4</mn></mrow></msub></math></span> = 1) and (<span><math><msub><mrow><mi>v</mi></mrow><mrow><mn>4</mn></mrow></msub></math></span> = 2) vibrational states were assigned in the experimental spectra. Weighted fit of the rotational and centrifugal distortion parameters, as well as, of the quadrupole splitting parameters was made. The obtained from the fit 19/16 rotational and centrifugal distortion parameters reproduces values of the 4983/842 experimental line positions (4088/1420 transitions) with the <span><math><msub><mrow><mi>d</mi></mrow><mrow><mtext>rms</mtext></mrow></msub></math></span> = 21/26 kHz for the states (<span><math><msub><mrow><mi>v</mi></mrow><mrow><mn>4</mn></mrow></msub></math></span> = 1) and (<span><math><msub><mrow><mi>v</mi></mrow><mrow><mn>4</mn></mrow></msub></math></span> = 2). Comparison with the rotational and centrifugal distortion parameters known in the literature is made and shown that the latter reproduce the same (assigned in the present study) set of the experimental line positions with the <span><math><msub><mrow><mi>d</mi></mrow><mrow><mtext>rms</mtext></mrow></msub></math></span> values which are considerably worse in comparison with the results of the present study. As to the quadrupole coupling <span><math><mrow><mi>χ</mi><mo>−</mo></mrow></math></span>parameters, ","PeriodicalId":16935,"journal":{"name":"Journal of Quantitative Spectroscopy & Radiative Transfer","volume":"353 ","pages":"Article 109832"},"PeriodicalIF":1.9,"publicationDate":"2026-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146048524","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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