A=17O (1977AJ02)

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¹⁷O (1977AJ02)

(See Energy Level Diagrams for ¹⁷O)

GENERAL: See also (1971AJ02) and Table 17.6 [Table of Energy Levels] (in PDF or PS).

Shell model: (1968KA1C, 1969FE1A, 1970HA49, 1970IR01, 1971AR1R, 1971HS02, 1971JE02, 1971KA40, 1971LE30, 1971MU23, 1971WI01, 1971WI1F, 1972BA78, 1972BE22, 1972EL1C, 1972EN03, 1972HA1Q, 1972KA38, 1972LE1L, 1973DE13, 1973JU1A, 1973KU04, 1973LA1D, 1973RE17, 1973SM1C, 1974LO04, 1974RI09, 1976PO01).

Collective and cluster models: (1969FE1A, 1971AR1R, 1972LE1L, 1972NE1B).

Special levels: (1968KA1C, 1969FE1A, 1969WI1C, 1971AR1R, 1971BE59, 1971BE2D, 1971HS02, 1971KO12, 1971MU23, 1971SE1C, 1972BE22, 1972BE1E, 1972EN03, 1972HI17, 1972NI15, 1973JU1A, 1974RI09).

Electromagnetic transitions: (1969FE1A, 1970AL1D, 1970HA49, 1970SI1J, 1972EN03, 1972SE1G, 1973HA53, 1973RE17, 1973ZA1D, 1974KO1R, 1974LO04, 1974MC1F, 1976SH04).

Special reactions: (1971AR02, 1972PU1B, 1973WI15, 1974KU15, 1975TS01, 1975UD01, 1975VO09, 1976DA1T, 1976DE1P, 1976HI05, 1977PE08).

Astrophysical questions: (1972CL1A, 1973AR1E, 1973AU1B, 1973AU1D, 1973AU1C, 1973EN1A, 1973SM1A, 1973TA1D, 1973TR1B, 1974DE1M, 1975AR1E, 1975AU1D, 1975CO1J, 1975EN1A, 1975LA1E, 1975NO1D, 1975SC1H, 1975TR1A, 1976FI1E, 1976KO1K, 1976ME1H, 1976WA1M).

Pion capture and reactions (See also reactions 40 and 69.): (1973EI01, 1974DA23, 1974LI1D, 1975PA06, 1976EN02).

Other topics: (1968KA1C, 1969EL1A, 1970AL1E, 1970RY03, 1970SI1J, 1971AU08, 1971BA2Y, 1971BE59, 1971ER1C, 1971JE02, 1971KA40, 1971KO12, 1971LA1D, 1971PL1D, 1971SE1C, 1971NG01, 1972BA78, 1972CA37, 1972CH16, 1972DA21, 1972HA57, 1972KA38, 1972LE1L, 1972MA57, 1972NI15, 1972SH32, 1973AR1K, 1973BE1N, 1973DE13, 1973GO1H, 1973HY1A, 1973KO1J, 1973KU04, 1973MA48, 1973OS1A, 1973PA1F, 1973RA1E, 1973RE17, 1973RO1R, 1973RO1P, 1973SP1A, 1973YO1A, 1974AU03, 1974BR1E, 1974RE03, 1974SA05, 1974SL1C, 1975DR1D, 1975HE10, 1975MI02, 1975SH1H, 1976FE1B, 1976MA04, 1976MA05, 1976VA1C).

Ground state:

μ = -1.89379 ± 0.00009 nm (see (1974SHYR));

Q = -25.6 mb (1968SC18);

Q = -25.78 mb (1969SC34).

See also (1973CO1P, 1974SHYR).

Mass of ¹⁷O: the atomic mass excess of ¹⁷O is -810.5 ± 0.8 keV (A.H. Wapstra, private communication).

1. ⁷Li(¹⁴N, α)¹⁷O Q_m = 16.158

The angular distribution of the α₀₊₁ group has been measured at E(¹⁴N) = 27.6 MeV (1964WA1B).

2. ⁹Be(¹⁶O, ⁸Be)¹⁷O Q_m = 2.480

Angular distributions have been studied at E(¹⁶O) = 11 MeV (¹⁷O_g.s.) and 15 and 18 MeV (¹⁷O*(0, 0.87)) (1970BA49, 1971BA68). The excitation curve for the one-neutron transfer to ¹⁷O*(0.87) has been measured for E(¹⁶O) = 6 to 22 MeV (1970BA55). See also (1971NI04) and (1971AL1D; theor.).

3. (a) ¹⁰B(⁷Li, p)¹⁶N Q_m = 13.990 E_b = 27.771
(b) ¹⁰B(⁷Li, d)¹⁵N Q_m = 13.723
(c) ¹⁰B(⁷Li, t)¹⁴N Q_m = 9.147
(d) ¹⁰B(⁷Li, α)¹³C Q_m = 21.411

Cross sections to various of the final states have been measured at E(⁷Li) = 5.20 MeV (1966MC05).

4. (a) ¹¹B(⁶Li, p)¹⁶N Q_m = 9.785 E_b = 23.566
(b) ¹¹B(⁶Li, d)¹⁵N Q_m = 9.517
(c) ¹¹B(⁶Li, t)¹⁴N Q_m = 4.9413
(d) ¹¹B(⁶Li, α)¹³C Q_m = 17.205

Cross sections to various of the final states have been measured at E(⁶Li) = 4.72 MeV (1966MC05).

5. ¹²C(⁶Li, p)¹⁷O Q_m = 7.609

Proton groups have been identified to various states of ¹⁷O with E_x ≤ 15.8 MeV and angular distributions of proton groups have been studied for E(⁶Li) = 3 to 20 MeV: see (1971AJ02) for a complete listing. See also (1970JO1D) and ¹⁸F in (1978AJ03).

6. ¹²C(⁷Li, d)¹⁷O Q_m = 2.583

Angular distributions have been measured at E(⁷Li) = 3.24 - 3.64 MeV (1967MO23: d₀, d₁) and at 21.1 MeV (1971SC21: see Table 17.7 (in PDF or PS)). The latter have been analyzed by a Hauser-Feshbach method. See also (1971AJ02) and ¹⁹F in (1978AJ03).

7. ¹²C(⁹Be, α)¹⁷O Q_m = 9.734

Cross sections have been measured for the population of ¹⁷O*(0, 0.87, 3.06, 3.84) for E(¹²C)_c.m. = 2.40 to 6.34 MeV (1974HA25). At E(⁹Be) = 26.3 MeV, α-groups are observed to the first six states of ¹⁷O and to ¹⁷O*(7.5, 8.4, 9.8, 11.0, 11.8, 13.6). Some of the higher states (unresolved) may be formed by some sort of direct mechanism (1975VE10).

8. ¹²C(¹³C, 2α)¹⁷O Q_m = -0.914

See (1976DA13).

9. (a) ¹³C(α, n)¹⁶O Q_m = 2.2152 E_b = 6.361
(b) ¹³C(α, α)¹³C

The yield of neutrons increases monotonically for E_α = 0.475 to 0.700 MeV: S(E) = [(5.48 ± 1.77) + (12.05 ± 3.91)E] × 10⁵ MeV · b (1968DA05). Astrophysical considerations are discussed by (1968DA1D, 1973BA10, 1975FO19, 1976DE1G). Yield curves for reaction (a) have been measured for E_α = 1.0 to 22.5 MeV: see (1971AJ02) for a listing of the earlier work and (1973BA10: total neutron yield; E_α = 1.0 to 5.4 MeV), (1976MC11: n₀; E_α = 4.2 to 8.7 MeV; T = 3/2 states). Elastic scattering studies (reaction (b)) have been studied at E_α = 2.0 to 26.6 MeV: see (1971AJ02) for the earlier results and (1973KU18, 1973LE28: 18 to 26.6 MeV). See also (1974WE1P). Observed resonances in the neutron yields and anomalies in the elastic scattering are displayed in Table 17.8 (in PDF or PS). Some of the J^π values derived from the polarization studies of (1971BA06: n₀; E_α = 3.36 to 4.80 MeV) and (1973BU14: n₀; E_α = 2.08, 2.25, 2.43 MeV). See also (1970RO08, 1971SE1E, 1974LO1B) and (1972HA2A; theor.).

10. ¹³C(α, p)¹⁶N Q_m = -7.421 E_b = 6.361

See (1974SC1L; theor.).

11. ¹³C(α, d)¹⁵N Q_m = -7.6879 E_b = 6.361

Excitation functions for elastically scattered deuterons have been measured for E_α = 13 to 25 MeV: strong fluctuations are observed (1973LE28). See also (1976LE1K).

12. ¹³C(α, t)¹⁴N Q_m = -12.2640 E_b = 6.361

See (1974DM01). See also (1976LE1K).

13. ¹³C(⁶Li, d)¹⁷O Q_m = 4.887

At E(⁶Li) = 18 MeV angular distributions have been measured to many ¹⁷O states: see Table 17.7 (in PDF or PS) here and Table 17.8 (in PDF or PS) in (1971AJ02) (1970BE31, 1971BE2D). Angular distributions are also reported at E(⁶Li) = 25.6 MeV (1970GO29: d₀ → d₃ and d to ¹⁷O*(7.5, 8.9)). See also (1973OG1A).

14. ¹³C(⁷Li, t)¹⁷O Q_m = 3.894

Angular distributions have been measured at E(⁷Li) = 17 MeV (1970BE31), 20.5 MeV (1971BE2D, 1971SC21; DWBA analysis) and 30.1 MeV (1970GO29): see Table 17.7 (in PDF or PS) here and Table 17.8 (in PDF or PS) in (1971AJ02).

15. ¹³C(¹⁶O, ¹²C)¹⁷O Q_m = -0.801

Angular distributions have been studied at E(¹⁶O) = 14 MeV (¹⁷O_g.s.) and 17 and 20 MeV (¹⁷O*(0, 0.87)) (1970BA49). The excitation curve for the one-neutron transfer to ¹⁷O*(0.87) has been measured for E(¹⁶O) = 12 to 25 MeV (1970BA55). See also (1971BA68) and (1973DE21).

16. ¹⁴C(³He, γ)¹⁷O Q_m = 18.762

The capture cross sections at 90° for γ₀ and for γ₁ have been studied for E(³He) = 3.2 to 7.5 MeV and angular distributions of the γ-rays have been studied at the six observed resonances: see Table 17.9 (in PDF or PS) (1976CH04).

17. (a) ¹⁴C(³He, n)¹⁶O Q_m = 14.6167 E_b = 18.762
(b) ¹⁴C(³He, p)¹⁶N Q_m = 4.981
(c) ¹⁴C(³He, d)¹⁵N Q_m = 4.7136
(d) ¹⁴C(³He, ³He)¹⁴C
(e) ¹⁴C(³He, α)¹³C Q_m = 12.4015

The excitation function for reaction (a) shows a resonance in the n₀ and n₃₊₄ yields at E(³He) = 4.1 MeV but not in the n₁₊₂ yield: J^π = 1/2^- or 3/2^- is suggested [see, however, Table 17.9 (in PDF or PS)] (1970HO08).

Resonances are observed in the ³He yield (reaction (d)) at E(³He) = 5.1 MeV and in the α₀ and α₁ yield (reaction (e)) at 3.6 and 4.1 MeV. On the basis of a two-level analysis of the α-channel and an optical model plus resonance analysis of the elastic data, the corresponding ¹⁷O states [21.7, 22.1, 23.0 MeV] are assigned J^π = 5/2⁺, 7/2^- and 1/2⁺, respectively (1971KE08, 1972KE08): see Table 17.9 (in PDF or PS). (1972KE08) also report excitation functions in the range E(³He) = 2.2 - 7.0 MeV (α₀ → α₃), 3.2 - 4.4 MeV (p₀ → p₃), 3.2 - 5.5 MeV (d) and 4.0 to 6.1 MeV (³He): angular distributions for the α-groups have been measured at a number of energies. See also (1971AJ02).

18. ¹⁴C(α, n)¹⁷O Q_m = -1.816

The upper limits to the decays 3.06 → 0 and 3.84 → 0.87 are, respectively, 2 and 5%. A study of n - γ correlations leads to J^π = 1/2^- and (5/2^-) for ¹⁷O*(3.06, 3.84) (1964AL11). See also (1973CL1E; astrophys. considerations).

19. ¹⁴C(¹⁶O, ¹³C)¹⁷O Q_m = -4.032

Angular distributions have been measured at E(¹⁶O) = 20, 25 and 30 MeV to ¹⁷O_g.s. and at 30 MeV to ¹⁷O*(0.87) (1975SC35, 1975SC42). See also (1973BR1C).

20. (a) ¹⁴N(t, γ)¹⁷O Q_m = 18.625
(b) ¹⁴N(t, p)¹⁶N Q_m = 4.843 E_b = 18.625
(c) ¹⁴N(t, d)¹⁵N Q_m = 4.5761
(d) ¹⁴N(t, t)¹⁴N
(e) ¹⁴N(t, α)¹³C Q_m = 12.2640

The excitation functions for γ₀ and γ₁ have been measured at 90° for E_t = 1.5 to 3.6 MeV: a broad resonance is observed in the γ₀ yield corresponding to ¹⁷O*(20.45). Some evidence is also reported for structures in the γ₁ yield (1973LI1G: prelim. results). Excitation functions have also been measured for the p₀ → p₃, d₀, t₀ and α₀ and α₁ groups for E_t = 1.0 to 2.0 MeV: the reactions appear to proceed primarily via a direct interaction mechanism (1964SC09). See also (1974FA1A; theor.).

21. (a) ¹⁴N(α, p)¹⁷O Q_m = -1.190
(b) ¹⁴N(α, pα)¹³C Q_m = -7.551

Angular distributions have been measured for ¹⁷O states with E_x < 7.6 MeV in the range E_p = 8.1 - 33.3 MeV: see a listing of the references in (1971AJ02). The sequential decay (reaction (b)) appears to take place via ¹⁷O states with 8.46 ≤ E_x ≤ 13.57 MeV. Those involved are believed to have J ≥ 5/2, Γ_α/Γ ≥ 0.6 (1969BA17). See also ¹⁸F in (1978AJ03) and (1971BU1K; theor.).

22. ¹⁴N(⁶Li, ³He)¹⁷O Q_m = 2.830

At E(⁶Li) = 18 MeV, the ³He groups in this reaction and the triton groups in the mirror reaction (see ¹⁷F, reaction 7) have been compared: ¹⁷O*(3.84, 4.55, 5.22, 5.70 + 5.73) are strongly excited. It is suggested that ¹⁷O*(5.22) and ¹⁷F*(5.21) are analogs with J^π = 9/2^-. ¹⁷O*(0, 0.87, 3.06, 5.08, 5.38, 5.87 + 5.94, 6.86, 6.97) are also populated (1973BI01).

23. ¹⁴N(¹⁰B, ⁷Be)¹⁷O Q_m = -0.044

At E(¹⁰B) = 100 MeV ¹⁷O*(7.75, 9.15) [J^π = 11/2^- and 9/2^-, respectively] are populated (1976HAXX).

24. ¹⁵N(d, γ)¹⁷O Q_m = 14.049

Peaks in the excitation functions of both γ₀ and γ₁ have been observed corresponding to ¹⁷O*(21.3, 21.9, 22.8) (1972CA1M; abstract).

25. ¹⁵N(d, n)¹⁶O Q_m = 9.9031 E_b = 14.049

The excitation function has been measured for E_d = 0.5 to 5.3 MeV. Above E_d = 1 MeV, pronounced peaks are observed, presumably to be ascribed to numerous overlapping resonances (1958WE31). The differential cross sections at 10° have been measured for E_d = 2.2 to 5.9 MeV for the neutrons to ¹⁶O*(0, 6.13, 7.12, 8.87, 9.85, 10.95, 11.08) (1971MU09). Polarization measurements have been reported for E_n = 1.6 to 5.5 MeV (n₀: see (1971AJ02)) and at 4.83 MeV (1972FO17: n to ¹⁶O*(0, 6.13, 7.12, 8.87, 9.85, 10.95 + 11.08, 11.52 + 11.60, 12.05, 12.44 + 12.53, 12.80)) and 10.0 and 11.8 MeV (1971HI09; n₀). See also (1972BO49) and ¹⁶O, and (1971HA1R).

26. ¹⁵N(d, p)¹⁶N Q_m = 0.267 E_b = 14.049

Excitation functions have been obtained for E_d = 0.3 to 2.7 MeV (1957BO04) and 4.25 to 6.25 MeV (1972BO49: p₀ → p₃). Resonant structure at E_d = 1.3 and 1.9 MeV [¹⁷O*(15.2, 15.7)] is reported by (1957BO04).

27. ¹⁵N(d, d)¹⁵N E_b = 14.049

The excitation function for the d₀ group has been measured for E_d = 4.25 to 6.25 MeV (1972BO49).

28. ¹⁵N(d, α)¹³C Q_m = 7.6879 E_b = 14.049

The α₀ yield curve for E_d = 0.8 to 1.8 MeV indicates two resonances at E_d = 1.06 and 1.25 MeV [Γ ≈ 100 and 200 keV, respectively], attributed to an ¹⁷O state at E_x = 14.98 MeV [J^π = 5/2⁺] and to one or more ¹⁷O states at E_x = 15.15 MeV [J^π = 5/2⁺ or 7/2^-] (1966TI03). In the range E_d = 1.2 to 2.5 MeV a broad maximum is observed in both the α₀ and α₁ yields at E_d ≈ 1.7 MeV (1965MA59). The excitation function has also been studied for E_d = 5 to 10 MeV (1974WE1P).

29. ¹⁵N(t, n)¹⁷O Q_m = 7.791

Not reported.

30. ¹⁵N(³He, p)¹⁷O Q_m = 8.555

At E(³He) = 18 MeV angular distributions analyzed by DWBA, have been obtained for a number of ¹⁷O states as displayed in Table 17.10 (in PDF or PS): the wave functions of Zuker, Buck and McGrory appear to provide a good description of most of the states below E_x = 9 MeV (1972LE01). Angular distributions have also been reported at E(³He) = 2.4 to 4.1 MeV (1973AB1D: p₀ → p₂) and at 15 MeV (1975HA33: p₀, p₂). For the decay of the first T = 3/2 state at E_x = 11.08 MeV, see Table 17.11 (in PDF or PS) (1973AD02).

31. ¹⁵N(α, d)¹⁷O Q_m = -9.799

At E_α = 45.4 MeV, the deuteron spectrum is dominated by the groups corresponding to states with E_x = 7.742 ± 0.020 and 9.137 ± 0.030 MeV. These states are assigned J^π = (11/2^-) and (9/2^-) and arise from a dominant (d_5/2)²₅p^-1_1/2 configuration. Angular distributions were measured as well for the deuterons corresponding to ¹⁷O(0) and to states with E_x = 0.87 ± 0.05, 5.208 ± 0.030, 5.690 ± 0.030, 7.367 ± 0.030, 8.459 ± 0.030, 8.890 ± 0.030 and 9.814 ± 0.030 MeV. In addition the excitation of states with E_x = 3.85 ± 0.05, 4.57 ± 0.05 and 8.147 ± 0.030 MeV is also reported (1969LU07).

32. ¹⁵N(¹¹B, ⁹Be)¹⁷O Q_m = -1.768

At E(¹¹B) = 113.5 MeV, ¹⁷O states at 7.6 and 9.0 MeV are strongly populated. The excitation of ¹⁷O*(0, 0.9, 3.0, 5.4) is also reported (1975PO10).

33. ¹⁶O(n, γ)¹⁷O Q_m = 4.146

σ_capt. = 178 ± 25 μb [see (1973MU14)], 202 ± 27 μb (1976EA1B).

At the E_n = 426 ± 10 keV resonance [see Table 17.12 (in PDF or PS)], Γ_γ < 4.0 eV, Γ_n = 60 ± 15 keV (1971AL09). At thermal energies the branching via ¹⁷O*(3.05) is 82 ± 3% (1976EA1B). For astrophysical considerations see (1968FOZY, 1970CL1C, 1971AL09, 1973CL1E).

34. ¹⁶O(n, n)¹⁶O E_b = 4.146

The scattering amplitude bound is a = 5.80 ± 0.05 fm (1965DO14). The coherent scattering cross section is 4.23 ± 0.07 b (1964ST25). Earlier cross section, angular distribution and polarization measurements are listed in Table 17.10 (in PDF or PS) of (1971AJ02). Recent measurements of σ_t are reported by (1972PEYR: 0.2 - 20 MeV), (1974SC1C: 0.5 - 20.5 MeV), (1973FO11: 0.6 - 0.9, 1.12 - 1.16, 1.39 - 4.33 MeV), (1971FO1P, 1971FO24: 2.5 - 15.0 MeV), (1972KI1D: elastic; 4.34 - 8.56 MeV), (1971AN16: 14.7 MeV), (1972AU01: 24.63 - 58.90 MeV) and (1974BA52, 1974BA62: 28 - 54 GeV). See also (1976GAYV). (1973BU1D, 1974BU19) report σ(θ) at small angles for E_n = 7.40 to 9.50 MeV. Polarization studies are reported by (1973HI09, 1974HI1B: E_n = 1 - 4 MeV) and (1976DR08: 2.25 to 3.90 MeV).

Recent high resolution cross section measurements and analyses of the elastic scattering and of the (n, α) and ¹³C(α, n) data have led to a much better understanding of the ¹⁷O structure below E_x = 9.5 MeV: see Table 17.12 (in PDF or PS) (1973FO11, 1973JO01). (1973JO01) has performed a multilevel two-channel R-matrix analysis. Five states contain nearly 100% of the 1d_3/2 strength and have their eigenenergy at E_x ≈ 5.7 MeV [the dominant state is ¹⁷O*(5.08)]. Spectroscopic factors are deduced for 26 states in ¹⁷O for 4.5 < E_x < 9.5 MeV [see Table 17.12 (in PDF or PS)]: the sum of these factors is 1% for J^π = 1/2⁺, 5% for 1/2^-, 12% for 3/2^-, 99% for 3/2⁺, 0.1% for 5/2⁺, 1% for 5/2^- and 14% for 7/2^- (1973JO01).

35. ¹⁶O(n, n')¹⁶O* E_b = 4.146

Earlier cross section measurements are listed in Table 17.10 (in PDF or PS) of (1971AJ02). The cross sections for production of 6.13 and (6.92 + 7.12) γ-rays in the range E_n = 6.5 to 10 MeV show a number of resonances: see Table 17.13 (in PDF or PS) (1959HA13). See also the more recent studies of (1970LU16: E_n = 6.74 to 8.20 MeV; γ_6.13) and (1970OR1B: E_n = 6.35 to 16.52 MeV; γ_6.13, γ_6.92, γ_7.12). See also (1969RO1F, 1972KI1D, 1976NO1F).

36. ¹⁶O(n, 2n)¹⁵O Q_m = -15.664 E_b = 4.146

The cross section has been measured for E_n = 17 to 37 MeV (1961BR1A). See also (1974CA1J) and (1976GAYV).

37. ¹⁶O(n, p)¹⁶N Q_m = -9.636 E_b = 4.146

Cross section measurements are listed in Table 17.10 (in PDF or PS) of (1971AJ02) and in (1975SA1D; E_n = 14.1 MeV). See also (1971AJ02, 1971CU1B, 1971PR09, 1972ED01, 1974BO1E, 1974CA1J, 1976GAYV).

38. ¹⁶O(n, d)¹⁵N Q_m = -9.9031 E_b = 4.146

See ¹⁵N in (1976AJ04).

39. ¹⁶O(n, α)¹³C Q_m = -2.2152 E_b = 4.146

The cross section has been measured from threshold to 20 MeV: see Table 17.10 (in PDF or PS) in (1971AJ02) and (1970OR1B: 8 - 15.5 MeV; γ_3.09, γ_3.68, γ_3.85) and (1973BO26: 14.1 MeV). See also (1968DA1E, 1971BR33, 1971NY03). Table 17.12 (in PDF or PS) reflects the results from a multilevel two-channel R-matrix analysis of the data from this reaction and from the elastic scattering of neutrons (1973JO01). See also (1969RO1F, 1976NO1F), (1971AJ02, 1976GAYV) and (1972HA2A; theor.).

40. ¹⁶O(p, π⁺)¹⁷O Q_m = -136.205

At E_p = 185 MeV angular distributions of pions to ¹⁷O*(0, 0.88 ± 0.08, 3.85 ± 0.08) are reported by (1974DA23). See also (1976NO1D; theor.).

41. ¹⁶O(d, p)¹⁷O Q_m = 1.921

Observed proton groups are displayed in Table 17.14 (in PDF or PS). Angular distributions have been measured at many energies in the range of E_d = 0.3 to 63.2 MeV: see Table 17.13 (in PDF or PS) in (1971AJ02) for the earlier references and (1973CA30: E_d = 1.0 to 2.0 MeV; p₀, p₁), (DeForest, quoted in (1971KO21): 8 MeV; p₀, p₁), (1972CO15, 1973DA17: 9.3 and 13.3 MeV; p₀, p₁, p₃, p₄, p₅, p₈), (1972BR12: 12.3 MeV; p₀, p₁) and (1974CO04: 25.4, 36.0, 63.2 MeV: p₀, p₁, p₅).

The lifetime of ¹⁷O*(0.87) is 258.6 ± 2.6 psec: see Table 17.7 (in PDF or PS) in (1971AJ02). See also (1971DO13, 1973DO1D). E_γ = 870.81 ± 0.22 keV (1966WI01). The width of ¹⁷O*(5.08) observed in this reaction (Γ = 70 keV) is ≈ 0.7 that observed in ¹⁶O(n, n): see (1974CO04, 1974FO17).

42. ¹⁶O(t, d)¹⁷O Q_m = -2.112

The angular distribution of the d₀ group has been studied at E_t = 5.5 MeV (1961BA10).

43. ¹⁶O(α, ³He)¹⁷O Q_m = -16.433

See (1971AJ02, 1972PR1D, 1976HA27).

44. ¹⁶O(⁶Li, pα)¹⁷O Q_m = 0.447

See (1974MI1F).

45. ¹⁶O(⁷Li, ⁶Li)¹⁷O Q_m = -3.105

The angular distribution involving ¹⁷O_g.s. has been studied at E(⁷Li) = 36 MeV. The population of ¹⁷O*(0.87, 3.06, 3.84, 4.55, 5.38) is also reported (1973SC26).

46. ¹⁶O(¹¹B, ¹⁰B)¹⁷O Q_m = -7.311

The excitation of ¹⁷O*(0, 0.87) is reported at E(¹¹B) = 113.1 MeV (1967PO13).

47. ¹⁶O(¹³C, ¹²C)¹⁷O Q_m = -0.801

The product of the spectroscopic factors in the initial and final states [¹⁷O*(0.87)] is 0.72 (1975SE03: from measurements of σ_t below Coulomb barrier). The angular distribution to ¹⁷O*(0.87) has been measured at E(¹³C) = 36 MeV (1976WE21). See also (1973BR1C) and (1974BE1J; theor.).

48. ¹⁶O(¹⁴N, ¹³N)¹⁷O Q_m = -6.408

At E(¹⁴N) = 79 MeV angular distributions involving ¹⁷O*(0, 0.87) have been studied: an anomaly is observed in the phase behavior of the distribution to the excited state. From this and other studies it is concluded that a multistep process via inelastic scattering is unlikely to occur in the excitation of 2s_1/2 states (1976MO03). An angular distribution involving ¹⁷O*(0 + 0.87) has also been reported at E(¹⁴N) = 155 MeV (1975NA15). See also (1976NA09).

49. ¹⁶O(¹⁸O, ¹⁷O)¹⁷O Q_m = -3.898

At E(¹⁸O) = 42 and 52 MeV, the angular distributions involving ¹⁷O*(0, 0.87) have been studied (1975RE15).

50. ¹⁷N(β^-)¹⁷O Q_m = 8.682

¹⁷N decays principally to ¹⁷O*(4.55, 5.38): see reaction 1 and Table 17.2 (in PDF or PS) in ¹⁷N.

51. (a) ¹⁷O(γ, n)¹⁶O Q_m = -4.146
(b) ¹⁷O(γ, 2n)¹⁵O Q_m = -19.809
(c) ¹⁷O(γ, α)¹³C Q_m = -6.361

The (γ, n₀) differential cross section at 98° has been measured for E_bs = 8 to 33 MeV by (1976WO1D): both narrow and broad structures are observed throughout this energy range. The (γ, n) cross section has also been measured for E_γ = 7.6 to 30 MeV: it is dominated by a broad giant resonance centered at E_x ≈ 23 MeV (1976ME1K). The ¹⁷O(γ, 2n) cross section is very small for these energies (1976ME1K). For reaction (c) see (1964GR08).

52. ¹⁷O(e, e)¹⁷O

The ¹⁷O charge radius, r_rms = 2.662 ± 0.026 (using a distorted wave approximation), and 2.700 ± 0.026 fm (using a Born approximation) (1970SI02, 1970SI1K). Inelastic scattering in a range of momentum transfer q = 0.6 - 1.1 fm^-1 has led to calculation of B(E3) values from the measured Coulomb form factors: see Table 17.15 (in PDF or PS) (1975KI15). See also (1976AUZZ).

53. ¹⁷O(n, n)¹⁷O

See (1973IS07; theor.).

54. ¹⁷O(p, p)¹⁷O

Angular distributions of elastically scattered protons have been studied at E_p = 8.62, 9.45 and 10.5 MeV (1975CR04; also p₁ and p₂), 11 MeV (1976AL06) and 65.8 MeV (1972LE27, 1972LE28, 1972LE1G). The matter rms radius of ¹⁷O is 0.04 ± 0.03 fm greater than that for ¹⁶O (1973LE07). See also ¹⁸F in (1978AJ03) and (1970OH1C, 1971DO1A, 1975CO12, 1976CO01; theor.).

55. ¹⁷O(d, d)¹⁷O

The angular distribution of elastically scattered deuterons has been studied at E_d = 18 MeV (1976LI01).

56. (a) ¹⁷O(³He, ³He)¹⁷O
(b) ¹⁷O(α, α)¹⁷O

Elastic angular distributions have been measured at E(³He) = 11.0 MeV (1970BO25) and 17.3 MeV (1968HA30). For reaction (b) see (1976CO27; theor.).

57. (a) ¹⁷O(¹²C, ¹²C)¹⁷O
(b) ¹⁷O(¹³C, ¹³C)¹⁷O

For reaction (a) see (1976EY01). For reaction (b) see (1974CH1Q).

58. ¹⁷O(¹⁶O, ¹⁶O)¹⁷O

Angular distributions involving ¹⁷O*(0, 0.87) have been studied at E(¹⁶O) = 22, 24, 28 and 32 MeV (1973GE04, 1974GE01) and at E(¹⁷O) = 25.7, 27.7, 29.8 and 32.0 MeV (1975KA24): second-order transfer contributions are found to be important (1975KA24). See also (1973FI1C, 1974GO1L, 1975VO1B) and (1973BA2F, 1974BA46, 1974BE1J, 1974BO13, 1974YU01, 1975IM04, 1975WO1E; theor.).

59. ¹⁷F(β⁺)¹⁷O Q_m = 2.762

See ¹⁷F.

60. ¹⁸O(γ, n)¹⁷O Q_m = -8.044

See (1975AL03) and ¹⁸O in (1978AJ03).

61. ¹⁸O(p, d)¹⁷O Q_m = -5.819

Angular distributions have been measured at E_p = 17.6 MeV (1963LE03: d₀ → d₂), 18.2 MeV (1967LU05: d₀ → d₃), 20.0, 24.4, 29.8, 37.5 and 43.6 MeV (1974PI05: d₀ → d₄) and 24.4 MeV (1973PI09: d₀ → d₇; polarized protons). See also ¹⁹F in (1978AJ03), (1976DA1K) and (1973IG02, 1973OR09, 1973YA1B; theor.).

62. ¹⁸O(d, t)¹⁷O Q_m = -1.786

Angular distributions of the tritons corresponding to ¹⁷O*(0, 0.87, 3.84, 4.55, 5.08, 5.38) have been studied at E_d = 15 MeV (1961AR06). See also (1975HS01, 1976LA13; theor.).

63. ¹⁸O(³He, α)¹⁷O Q_m = 12.535

Angular distributions of alpha particles are reported by (1965WA1D: α₀, α₁) at E(³He) = 2.68 to 6.47 MeV and by (1969DE06: see Table 17.16 (in PDF or PS)) at E(³He) = 16 MeV. The T = 3/2 states reported by (1969DE06) are displayed in Table 17.16 (in PDF or PS) [the isospin identification is based on the enhanced excitation and the narrow widths of these states]. The branching ratios for the various decays of ¹⁷O*(11.08) [the lowest T = 3/2 state in ¹⁷O] and for the analog state in ¹⁷F are displayed in Table 17.11 (in PDF or PS): the decay width of the ¹⁷O state is approximately 200 times greater than that of the ¹⁷F state (1973AD02).

64. ¹⁸O(⁹Be, ¹⁰Be)¹⁷O Q_m = -1.232

Angular distributions have been studied at E(¹⁸O) = 16 and 20 MeV (1971BA68, 1971KN05).

65. (a) ¹⁸O(¹⁰B, ¹¹B)¹⁷O Q_m = 3.412
(b) ¹⁸O(¹¹B, ¹²B)¹⁷O Q_m = -4.674

Angular distributions (reaction (a)) have been measured at E(¹⁸O) = 20 and 24 MeV (1971BA68, 1971KN05). For S-factor measurements see (1974SW04). Cross sections for reaction (b) are several orders of magnitude less than those for reaction (a) for E(¹⁸O)_c.m. = 3 - 7.7 MeV (1974SW04).

66. (a) ¹⁸O(¹²C, ¹³C)¹⁷O Q_m = -3.097
(b) ¹⁸O(¹³C, ¹⁴C)¹⁷O Q_m = 0.133

See (1974CH1Q).

67. ¹⁸O(¹⁴N, ¹⁵N)¹⁷O Q_m = 2.790

See (1974SW04).

68. ¹⁸O(¹⁸O, ¹⁹O)¹⁷O Q_m = -4.087

See (1972EY01).

69. ¹⁹F(π^-, 2n)¹⁷O Q_m = 122.822

The 0.87 MeV γ-ray is observed when ¹⁹F captures π^- mesons (1976EN02).

70. ¹⁹F(n, t)¹⁷O Q_m = -7.554

Angular distributions of the t₀ and t₁ groups are reported at E_n = 14.4 MeV (1968RE07).

71. (a) ¹⁹F(p, ³He)¹⁷O Q_m = -8.318
(b) ¹⁹F(p, pd)¹⁷O Q_m = -13.812

Angular distributions have been measured at E_p = 30.5 MeV (1967CO05: to ¹⁷O*(0, 0.87)) and at 42.4 MeV (1974NE03: to ¹⁷O*(0, 0.87, 3.06, 3.84)): comparisons have been made with the analog transitions in the mirror reaction ¹⁹F(p, t)¹⁷F. See also (1972HU1B, 1972PR1D), ²⁰Ne in (1978AJ03) and (1971AJ02). For reaction (b) see (1971DE1F).

72. ¹⁹F(d, α)¹⁷O Q_m = 10.036

Observed α-groups are displayed in Table 17.14 (in PDF or PS). Angular distributions have been measured at many energies in the range E_d = 0.3 to 27.5 MeV: see Table 17.16 (in PDF or PS) in (1971AJ02) for the earlier work and (1969ZA1A: 1.10 - 3.65 (α₀, α₁) and 1.40 to 3.65 MeV (α₂, α₃)), (1971BE2F: 1.35 - 2.0 MeV; α₀ → α₃) and (1972LA18: 3 MeV; α₀ → α₃). See also (1976BI03, 1976NE1D) and (1970SO12; applied).

73. ¹⁹F(α, ⁶Li)¹⁷O Q_m = -12.338

Angular distributions are reported at E_α = 28 MeV (1971KL1E: ¹⁷O*(0, 0.87) + ⁶Li_g.s.; ¹⁷O_g.s. + ⁶Li*(3.56)) and 42 MeV (1968MI05: ¹⁷O*(0, 0.87)).

74. ²⁰Ne(n, α)¹⁷O Q_m = -0.584

At E_n = 14.1 MeV angular distributions are reported for α₀ and α₁ by (1966MC14) and (1971BA82: also α₂). (1971KA18) report the excitation of a number of states of ¹⁷O with E_x < 8 MeV. See also (1972LI30) and (1973CL1E; astrophys. questions).