aymar_1978 ========== M\. Aymar and M\. Coulombe, "Theoretical transition probabilities and lifetimes in Kr I and Xe I spectra", At\. Data Nucl\. Data Tables 21, 537\-566 \(1978\) `Source record `__ · :doc:`Catalogue ` · :doc:`Review register ` DOI: `10\.1016/0092\-640X\(78\)90007\-4 `__ **Source kind:** theory **Recorded technique:** Central\-field calculation with intermediate coupling and configuration mixing \(p\. 538\)\: radial functions from Klapisch's parametric potential \(the potentials of Aymar, Physica 57, 178 \(1972\)\); angular expansion coefficients from least\-squares fits of the experimental level energies \(Kr\: Kaufman and Humphreys; Xe\: Moore\), with the bases Kr 4p5 5s pure, 4p5 \(5p \+ 6p \+ 7p\) and 4p5 \(6s \+ 7s \+ 4d \+ 5d \+ 6d\) mixed; Xe 5p5 \(6p \+ 7p\) and 5p5 \(6s \+ 7s \+ 5d \+ 6d \+ 7d\) \(Tables I, II\)\. Line strengths in the length \(S\_r\) and velocity \(S\_nabla\) forms, Eqs\. \(3a\), \(3b\); A\_ki = 2\.026e18 S / \(g\_k lambda^3\) and f\_ik = 303\.7 S / \(g\_i lambda\) with the vacuum wavelength from the experimental energies \(Eqs\. 1, 2\); lifetimes tau\_k = 1 / sum\_i A\_ki over every lower level of the bases \(Eq\. 4\)\. No uncertainty is stated; the paper says large line strengths \(np \- ns, np \- \(n\+1\)s, np \- \(n\-1\)d in the length form\) are the better determined, and that the length\-velocity difference indicates the accuracy \(p\. 538\)\. **Materials in structured entries:** Kr, Xe **Dataset quantities:** radiative\_lifetime, transition\_probability **Contents:** 10 datasets; 0 formulas. Curation notes -------------- At\. Data Nucl\. Data Tables 21\(6\), 537\-566 \(June 1978\) = PDF pages 1\-30 \(journal page = PDF page \+ 536\); a scanned \(raster\) PDF\. Identity checked on the first page \(title, M\. Aymar and M\. Coulombe, Laboratoire Aime Cotton, Orsay; footer '537', Atomic Data and Nuclear Data Tables, Vol\. 21, No\. 6, June 1978, 0092\-640X/78/0216\-0537\) on 2026\-10\-12\. Every taken cell was checked against the rendered pages \(PDF pp\. 8, 20, 22, 28, 30, native resolution\)\. No argon\. TAKEN \(use = check\: calculated values without a stated uncertainty, with length\-velocity differences of up to a factor 1\.6 in the lifetimes and more in weak lines; for comparison with measured lifetimes, NIST and wiese\_1989\-type compilations, not for fitting\)\. Extraction script tools/extract/aymar\_1978\.py\. \- Table VI \(p\. 564\), lifetimes \(ns\) of Kr 5p, 5p', 6p, 6p' \(Paschen 2p10\-2p1, 3p10\-3p1\), tau\_r and tau\_nabla\: tau\_length\_Kr, tau\_velocity\_Kr \(20 levels each\)\. \- Table VIII \(p\. 566\), lifetimes \(ns\) of Xe 6p, 6p' \(2p10\-2p1\), 7p \(3p10\-3p5; Table VIII lists no 7p'\) and 6d \(4d6\-4d2\)\: tau\_length\_Xe, tau\_velocity\_Xe \(24 each\)\. \- Table III \(p\. 544\), Kr 4p5 5s \- 5p, 5p' array, AKI \(10^6 s^\-1\), the 30 transitions printed\: A\_length\_Kr\_5s5p, A\_velocity\_Kr\_5s5p\. \- Table IV \(p\. 556\), Xe 5p5 6s \- 6p, 6p' array, the 30 transitions printed \(including the far\-infrared 6s'\[1/2\]1 \- 6p lines, 34\-1189 um\)\: A\_length\_Xe\_6s6p, A\_velocity\_Xe\_6s6p\. \- Table IV \(p\. 558\), the 19 transitions printed with a 5d lower level and a 6p' upper level, plus 5d\[1/2\]1 \- 6p\[1/2\]0 \(755\.78 um\), i\.e\. every decay of 6p and 6p' to 5d\: A\_length\_Xe\_5d6p, A\_velocity\_Xe\_5d6p\. Rows are the paper's Jl labels \(nl, a prime for the 2P1/2 core, \[K\], J; p\. 540\), a transition lower\-upper as printed; vacuum wavelengths \(Angstrom\) are in the printed row \(LAMBDA is computed from the experimental energies, p\. 540\)\. LEVELS \(label = NIST configuration/term/J, held external/nist\_asd/\\_I\_levels\.tsv; evidence\: the printed energies of Tables VI and VIII agree with NIST's within 0\.02\-0\.11 cm\-1 for Kr and 0\.4\-0\.6 cm\-1 for Xe \(Moore's energies\), and the J of each label gives the printed statistical weights; script check\)\. Kr\: nl\[K\]J = 4s2\.4p5\.\(2P\*\<3/2\>\)\.nl 2\[K\] J, primed \(2P\*\<1/2\>\); 2p10\-2p1 = 5p\[1/2\]1, 5p\[5/2\]3, 5p\[5/2\]2, 5p\[3/2\]1, 5p\[3/2\]2, 5p\[1/2\]0, 5p'\[3/2\]1, 5p'\[1/2\]1, 5p'\[3/2\]2, 5p'\[1/2\]0 \(91168\.5\-98855\.1 cm\-1\); 3p10\-3p1 the same order with 6p, 6p' \(102887\.2\-108821\.6\); 5s\[3/2\]2, 5s\[3/2\]1, 5s'\[1/2\]0, 5s'\[1/2\]1 = 1s5, 1s4, 1s3, 1s2 \(79971\.7, 80916\.8, 85191\.6, 85846\.7\)\. Xe\: 5p5\.\(2P\*\<3/2\>\)\.nl 2\[K\] J \(primed 2P\*\<1/2\>\); 2p10 6p\[1/2\]1 \(77269\.1\), 2p9 6p\[5/2\]2 \(78119\.8\), 2p8 6p\[5/2\]3 \(78403\.1\), 2p7 6p\[3/2\]1 \(78956\.0\), 2p6 6p\[3/2\]2 \(79212\.5\), 2p5 6p\[1/2\]0 \(80119\.0\), 2p4 6p'\[3/2\]1 \(88379\.1\), 2p3 6p'\[3/2\]2 \(89162\.4\), 2p2 6p'\[1/2\]1 \(89278\.7\), 2p1 6p'\[1/2\]0 \(89860\.0\); 3p10 7p\[1/2\]1, 3p9 7p\[5/2\]2, 3p8 7p\[5/2\]3, 3p6 7p\[3/2\]2, 3p7 7p\[3/2\]1, 3p5 7p\[1/2\]0 \(87927\.1\-88842\.3\); 3d6 5d\[1/2\]0, 3d5 5d\[1/2\]1, 3d4' 5d\[7/2\]4, 3d3 5d\[3/2\]2, 3d4 5d\[7/2\]3, 3d1'' 5d\[5/2\]2, 3d1' 5d\[5/2\]3, 3d2 5d\[3/2\]1 \(79771\.3\-83890\.0\); 4d6 6d\[1/2\]0, 4d5 6d\[1/2\]1, 4d3 6d\[3/2\]2, 4d4' 6d\[7/2\]4, 4d4 6d\[7/2\]3, 4d1'' 6d\[5/2\]2, 4d1' 6d\[5/2\]3, 4d2 6d\[3/2\]1 \(88491\.0\-90032\.2\); 1s5\-1s2 = 6s\[3/2\]2, 6s\[3/2\]1, 6s'\[1/2\]0, 6s'\[1/2\]1 \(67067\.5, 68045\.2, 76196\.8, 77185\.0\)\. CHECKS \(script\)\. Every taken A row\: 1e8/LAMBDA = EK \- EI within 1 cm\-1; A and f from the printed S through Eqs\. \(1\) and \(2\) within 1 %, both forms\. 1 / sum A over every row of Tables III and IV that the library holds for the level reproduces the printed tau\_r and tau\_nabla within 1 % for Kr 5p, 5p' and Xe 6p, 6p' \(so the taken arrays plus the 7s, 6d \(Xe\) and 4d \(Kr\) rows are all their decays\)\. Not checkable from the library\: Kr 6p, 6p' and Xe 7p, 6d \(rows lost, see below\)\. The library's OCR misreads seven cells of the rows used \(corrected in the script, page readings\: Table IV p\. 556 6s'\[1/2\]0 \- 6p\[3/2\]1 length AKI \.840\-02 \(OCR \.840\+02\), 6s'\[1/2\]1 \- 6p'\[1/2\]0 EK 89861\. \(OCR 69861\.\), 6s\[3/2\]2 \- 6p\[5/2\]3 length FIK \.641\+00; p\. 558 three velocity FIK with the exponent sign lost; p\. 557 7s\[3/2\]1 \- 6p'\[3/2\]2 length AKI \.843\-04; Table III p\. 544 one S\)\. None is a misprint of the paper\. NOT TAKEN\. Tables I, II \(fitted energy parameters\: Slater integrals, spin\-orbit parameters, rms deviations\); the oscillator strengths, line strengths and log gf of Tables III and IV \(the same calculation as the A values; oscillator\_strength would hold f, not taken to keep one quantity per transition\); the other arrays of Tables III and IV \(resonance lines 4p6 \- 5s, 5s', 4d, 6s \.\.\. and 5p6 \- 6s, 6s', 5d, 7s, \.\.\.; np \- n's, n'd for higher n; 7p, 7d\), in particular the Xe 6p \- 5d, 5d' rows with 5d as the upper level \(PDF p\. 21, journal p\. 557\: the library's table of that page stops at 6p\[5/2\]2 \- 5d\[3/2\]2 and lost its last 20 rows, 6p\[5/2\]2 \- 5d\[7/2\]3 to 6p\[3/2\]1 \- 5d\[3/2\]1; re\-extraction needed before they can be taken\); the lifetimes of Kr 7p, 6s, 7s, 4d, 4d', 5d and Xe 7s, 5d \(Tables VI, VIII\); the comparison columns of Tables V\-VIII \(other papers' measurements and calculations\: reproduced\)\. FINDING \(Xe 6p' lifetimes, TC\-1042\)\. NIST's 1/sum A over its lines \(Xe\_I\_lines\.tsv, Xe\_I\_lines\_nir\.tsv\)\: 2p4 22\.8, 2p3 22\.8, 2p2 25\.9, 2p1 27\.6 ns; measured\: 2p3 bruce\_1990 32\.1 \+\- 0\.8, inoue\_1984 37 \+\- 2; 2p1 bruce\_1990 34\.1 \+\- 0\.8, inoue\_1984 38\-40; 2p2 inoue\_1984 38; 2p4 inoue\_1984 48\-50\. Aymar and Coulombe\: tau\_r 37\.4, 27\.7, 27\.2, 28\.4 and tau\_nabla 48\.5, 36\.0, 36\.0, 36\.9 ns; the velocity form agrees with the measurements within 1\-4 ns, the length form is 4\-11 ns short\. The difference from NIST is not missing branches\: Aymar's 6p' decays include 5d \(4\.1\-8\.8e6 s\-1 per level, 15\-25 % of the total\) and 7s \(0\.7\-1\.5e6\), which NIST lacks, but NIST's 6s' \- 6p' lines alone \(accuracy C/C\+\: 820\.86 and 893\.33 nm 2\.0e7 and 2\.2e7 s\-1; 834\.91 nm 4\.2e7; 764\.41 and 826\.88 nm 2\.1e7 and 1\.62e7; 788\.96 nm 3\.5e7\) are 1\.25\-2\.1 times Aymar's length A and 1\.7\-3\.5 times the velocity A, and already exceed the measured total decay rates of 2p3 and 2p1 \(3\.12e7, 2\.93e7 s\-1\)\. Aymar's tau\_nabla, with those branches, matches the measured lifetimes\. NIST's 6s' \- 6p' A values are the outliers\. FINDING \(Xe 6p and 7p lifetimes\)\. 6p \(Aymar r / v; NIST; measured\)\: 2p10 29\.7 / 39\.5; 30\.4; ku\_1986 38\.2 \+\- 1\.0, inoue\_1984 38\. 2p9 33\.0 / 36\.9; 39\.4; bruce\_1990 36\.0 \+\- 2\.8, ku\_1986 39\.3 \+\- 1\.0, bowering\_1986b 30 \+\- 4 \(36 \+\- 4 low pressure\)\. 2p8 25\.5 / 33\.7; 33\.3; ku\_1986 32\.3 \+\- 1\.0, inoue\_1984 30\-31\. 2p7 29\.9 / 35\.0; 37\.0; ku\_1986 36\.7 \+\- 1\.0, inoue\_1984 37\. 2p6 28\.1 / 31\.5; 27\.2; bruce\_1990 31\.3 \+\- 1\.8, inoue\_1984 31, bowering\_1986b 35 \+\- 3, ku\_1986 36\.0 \+\- 3\.0\. 2p5 22\.4 / 33\.2; 27\.1; bruce\_1990 26\.8 \+\- 0\.8, bowering\_1986b 28 \+\- 1, ku\_1986 32\.6 \+\- 1\.0\. The velocity form is within the measurements' spread for all six; the length form is short by 3\-10 ns except 2p6\. 7p \(r / v; bruce\_1990; inoue\_1984 Ar\)\: 7p\[1/2\]1 127 / 122; \-; 131; 7p\[5/2\]2 113 / 157; 128\.6; 166; 7p\[5/2\]3 105 / 151; \-; 154; 7p\[3/2\]2 75\.0 / 115; 105\.3; 115; 7p\[3/2\]1 59\.4 / 72\.3; \-; 70; 7p\[1/2\]0 60\.1 / 74\.6; 69\.1; 65\: bruce\_1990 lies between the forms\. FINDING \(A values against NIST, the strong lines, A \>= 1e6 s\-1\)\. Kr 5s \- 5p, 5p' \(16 lines, NIST accuracy AAA\-C\)\: A\_r / NIST 1\.10\-1\.53 \(median 1\.24\), A\_nabla / NIST 0\.78\-1\.20 \(median 0\.98\); Aymar's velocity form follows NIST, and NIST's Kr 5p and 5p' lifetimes \(1/sum A\: 23\.1\-38\.1 ns\) lie near Aymar's tau\_nabla \(\-6\.5 to \+5 ns from it; the two shortest, 2p5 and 2p1, decay by one strong line that NIST puts 1\.28 and 1\.24 times Aymar's velocity A\), above tau\_r\. Xe 6s \- 6p \(A\+ to C\+\)\: A\_r / NIST 0\.60\-1\.51, A\_nabla / NIST 0\.75\-1\.34; 6s \- 6p' and 6s' \- 6p' \(C, C\+\)\: A\_r / NIST 0\.25\-2\.3, A\_nabla / NIST 0\.21\-0\.80 \(above\)\. Whether NIST's T\-references draw on this paper is not checked here; the ratios show they are not copies of it\. FINDING \(records quoting Aymar and Coulombe; no edit made\)\. bruce\_1990 Table III rows AC \(length, footnote k\) and AC \(velocity\)\: all 18 values \(6p\[5/2\]2 \.\.\. 5d\[1/2\]1\) equal Table VIII's tau\_r and tau\_nabla\. bowering\_1986b Table I, Ref\. 17 d and e\: 2p5 22\.4 / 33\.2, 2p6 28\.1 / 31\.5, 2p9 33\.0 / 36\.9, equal\. inoue\_1984 Table I's theoretical tau\_r, tau\_v\: 47 of 48 equal; 4d6 = 6d\[1/2\]0 tau\_v is printed 63\.7 in inoue\_1984 \(table image\) against Table VIII's 63\.8 \(a transcription slip in Inoue et al\.\)\. ku\_1986 p\. 4308 \(PDF p\. 6\)\: 'Xe\(3d5\) radiatively decays \(86\-218 ns\)' with Ref\. 21 = this paper; Table VIII prints 5d\[1/2\]1 tau\_r 88\.9 and tau\_nabla 218 ns, so the 86 is not this paper's \(read on the page image\)\. gornik\_1980 quotes f\_abs = 0\.232 for 6p\[3/2\]2 \-\> 5d\[5/2\]3\: Table IV p\. 558 prints FIK \.232\+00 in both forms \(A 1\.14e6 s\-1, S 119 au\), equal; NIST's 3107\.77 nm line has A 7\.3e5 s\-1 \(f 0\.15\)\. bowering\_1986 does not cite this paper \(its branching ratios are Horiguchi et al\.'s\)\. **Recorded bibliographic identity status:** VALIDATED\_WITH\_WARNINGS. This concerns identification of the source; it does not establish the scientific correctness of its contents. Datasets -------- aymar\_1978/tau\_length\_Kr ~~~~~~~~~~~~~~~~~~~~~~~~~~~ .. code-block:: text { "id": "tau_length_Kr", "material": "Kr", "file": "Kr/aymar_1978__tau_length_Kr.csv", "table": "tbl_b2d644c2e2b3", "quantity": "radiative_lifetime", "unit": "ns", "abscissa": "label", "use": "check", "parameters": { "method": "calculated, intermediate coupling with configuration mixing, parametric central potential, dipole length form, 1 / sum A (Eq. 4)" }, "uncertainty": { "level": "not stated" } } Table VI \(p\. 564\), column tau\_r\: calculated lifetimes of Kr 5p, 5p', 6p, 6p' \(2p10\-2p1, 3p10\-3p1\), 19\.1\-151 ns, length form\. Calculated, no stated uncertainty\: a check\. aymar\_1978/tau\_velocity\_Kr ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .. code-block:: text { "id": "tau_velocity_Kr", "material": "Kr", "file": "Kr/aymar_1978__tau_velocity_Kr.csv", "table": "tbl_b2d644c2e2b3", "quantity": "radiative_lifetime", "unit": "ns", "abscissa": "label", "use": "check", "parameters": { "method": "calculated, intermediate coupling with configuration mixing, parametric central potential, dipole velocity form, 1 / sum A (Eq. 4)" }, "uncertainty": { "level": "not stated" } } Table VI \(p\. 564\), column tau\_nabla\: calculated lifetimes of Kr 5p, 5p', 6p, 6p', 28\.8\-135 ns, velocity form\. Calculated, no stated uncertainty\: a check\. aymar\_1978/tau\_length\_Xe ~~~~~~~~~~~~~~~~~~~~~~~~~~~ .. code-block:: text { "id": "tau_length_Xe", "material": "Xe", "file": "Xe/aymar_1978__tau_length_Xe.csv", "table": "tbl_fc287c6cfec5", "quantity": "radiative_lifetime", "unit": "ns", "abscissa": "label", "use": "check", "parameters": { "method": "calculated, intermediate coupling with configuration mixing, parametric central potential, dipole length form, 1 / sum A (Eq. 4)" }, "uncertainty": { "level": "not stated" } } Table VIII \(p\. 566\), column tau\_r\: calculated lifetimes of Xe 6p, 6p' \(2p10\-2p1\), 7p \(3p10\-3p5\) and 6d \(4d6\-4d2\), 1\.3\-127 ns, length form\. Against measurements and NIST\: record notes\. Calculated, no stated uncertainty\: a check\. aymar\_1978/tau\_velocity\_Xe ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .. code-block:: text { "id": "tau_velocity_Xe", "material": "Xe", "file": "Xe/aymar_1978__tau_velocity_Xe.csv", "table": "tbl_fc287c6cfec5", "quantity": "radiative_lifetime", "unit": "ns", "abscissa": "label", "use": "check", "parameters": { "method": "calculated, intermediate coupling with configuration mixing, parametric central potential, dipole velocity form, 1 / sum A (Eq. 4)" }, "uncertainty": { "level": "not stated" } } Table VIII \(p\. 566\), column tau\_nabla\: calculated lifetimes of Xe 6p, 6p', 7p and 6d, 1\.4\-157 ns, velocity form; closer to the measured 6p and 6p' lifetimes than tau\_r \(record notes\)\. Calculated, no stated uncertainty\: a check\. aymar\_1978/A\_length\_Kr\_5s5p ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .. code-block:: text { "id": "A_length_Kr_5s5p", "material": "Kr", "file": "Kr/aymar_1978__A_length_Kr_5s5p.csv", "table": "tbl_f7938e7a2c11", "quantity": "transition_probability", "unit": "1/s", "scale": 1000000.0, "abscissa": "label", "use": "check", "parameters": { "notation": "racah", "method": "calculated, intermediate coupling with configuration mixing, parametric central potential, dipole length form" }, "uncertainty": { "level": "not stated" } } Table III \(p\. 544\), AKI length \(10^6 s^\-1\)\: the 30 transitions of the Kr 5s \- 5p, 5p' array, 0\.00143 to 52\.4 x 10^6 s^\-1; row lower\-upper in Jl notation, the vacuum wavelength in the printed row\. Calculated, no stated uncertainty\: a check\. aymar\_1978/A\_velocity\_Kr\_5s5p ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .. code-block:: text { "id": "A_velocity_Kr_5s5p", "material": "Kr", "file": "Kr/aymar_1978__A_velocity_Kr_5s5p.csv", "table": "tbl_f7938e7a2c11", "quantity": "transition_probability", "unit": "1/s", "scale": 1000000.0, "abscissa": "label", "use": "check", "parameters": { "notation": "racah", "method": "calculated, intermediate coupling with configuration mixing, parametric central potential, dipole velocity form" }, "uncertainty": { "level": "not stated" } } Table III \(p\. 544\), AKI velocity \(10^6 s^\-1\)\: the same 30 transitions as A\_length\_Kr\_5s5p\. Calculated, no stated uncertainty\: a check\. aymar\_1978/A\_length\_Xe\_6s6p ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .. code-block:: text { "id": "A_length_Xe_6s6p", "material": "Xe", "file": "Xe/aymar_1978__A_length_Xe_6s6p.csv", "table": "tbl_d3ae3ba3383f", "quantity": "transition_probability", "unit": "1/s", "scale": 1000000.0, "abscissa": "label", "use": "check", "parameters": { "notation": "racah", "method": "calculated, intermediate coupling with configuration mixing, parametric central potential, dipole length form" }, "uncertainty": { "level": "not stated" } } Table IV \(p\. 556\), AKI length \(10^6 s^\-1\)\: the 30 transitions of the Xe 6s \- 6p, 6p' array \(4502\-1189204 Angstrom\); row lower\-upper in Jl notation\. The 6s'\[1/2\]0 \- 6p\[3/2\]1 value is printed \.840\-02 \(the library's OCR reads \.840\+02; script reading\)\. Calculated, no stated uncertainty\: a check\. aymar\_1978/A\_velocity\_Xe\_6s6p ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .. code-block:: text { "id": "A_velocity_Xe_6s6p", "material": "Xe", "file": "Xe/aymar_1978__A_velocity_Xe_6s6p.csv", "table": "tbl_d3ae3ba3383f", "quantity": "transition_probability", "unit": "1/s", "scale": 1000000.0, "abscissa": "label", "use": "check", "parameters": { "notation": "racah", "method": "calculated, intermediate coupling with configuration mixing, parametric central potential, dipole velocity form" }, "uncertainty": { "level": "not stated" } } Table IV \(p\. 556\), AKI velocity \(10^6 s^\-1\)\: the same 30 transitions as A\_length\_Xe\_6s6p\. Calculated, no stated uncertainty\: a check\. aymar\_1978/A\_length\_Xe\_5d6p ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .. code-block:: text { "id": "A_length_Xe_5d6p", "material": "Xe", "file": "Xe/aymar_1978__A_length_Xe_5d6p.csv", "table": "tbl_a138bdfcb9ef", "quantity": "transition_probability", "unit": "1/s", "scale": 1000000.0, "abscissa": "label", "use": "check", "parameters": { "notation": "racah", "method": "calculated, intermediate coupling with configuration mixing, parametric central potential, dipole length form" }, "uncertainty": { "level": "not stated" } } Table IV \(p\. 558\), AKI length \(10^6 s^\-1\)\: the 19 decays of 6p' and 6p\[1/2\]0 to 5d levels \(10128\-755781 Angstrom\), lines NIST gives no A for; row lower\-upper in Jl notation\. Calculated, no stated uncertainty\: a check\. aymar\_1978/A\_velocity\_Xe\_5d6p ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .. code-block:: text { "id": "A_velocity_Xe_5d6p", "material": "Xe", "file": "Xe/aymar_1978__A_velocity_Xe_5d6p.csv", "table": "tbl_a138bdfcb9ef", "quantity": "transition_probability", "unit": "1/s", "scale": 1000000.0, "abscissa": "label", "use": "check", "parameters": { "notation": "racah", "method": "calculated, intermediate coupling with configuration mixing, parametric central potential, dipole velocity form" }, "uncertainty": { "level": "not stated" } } Table IV \(p\. 558\), AKI velocity \(10^6 s^\-1\)\: the same 19 transitions as A\_length\_Xe\_5d6p\. Calculated, no stated uncertainty\: a check\. Formulas -------- No formulas are recorded. Corrections ----------- No dataset errata are recorded in this source record. Formula corrections, where recorded, appear with their formulas above. Curation notes may also discuss corrections or unresolved interpretation. Consult the :doc:`review register ` for the checks and decisions.