9B

Ground-State Decay Evaluated Data



Measured Ground-State Γcm for 9B

Adopted value: 0.54 ± 0.21 keV (2004TI06)
Measured Mass Excess for 9B

Adopted value: 12415.7 ± 1.0 keV (2003AU02)

Measurements
1955AL57: 7Li(3He, p), E not given; measured Ep. 10B(3He, α), 6Li(3He, α), E not given; measured Eα. 9B deduced excited state energy.
1960KE07: 9Be(p, n)9B; measured not abstracted; deduced nuclear properties.
1960SA03: 9Be(p, n)9B; measured not abstracted; deduced nuclear properties.
1960SP08: 9B; measured not abstracted; deduced nuclear properties.
1960TA04: 9Be(3He, t)9B; measured not abstracted; deduced nuclear properties.
1960WE04: 9Be(3He, t)9B; measured not abstracted; deduced nuclear properties.
1961AD02: 9B; measured not abstracted; deduced nuclear properties.
1961DA14: 9B; measured not abstracted; deduced nuclear properties.
1961ME03: 6Li(α, n)9B; measured not abstracted; deduced nuclear properties.
1962HU05: 9B; measured not abstracted; deduced nuclear properties.
1962NG01: 9B; measured not abstracted; deduced nuclear properties.
1963CA18: 9B; measured not abstracted; deduced nuclear properties.
1963FA03: 9B; measured not abstracted; deduced nuclear properties.
1964BA29: 6Li(α, n), Eα = 14.4 MeV; 9Be(p, n), Ep = 6.3 - 7.4 MeV; 12C(p, α), Ep = 12.7 - 18.3 MeV; measured n-, α-spectra (θ, Ep). 9B deduced levels.
1964FU15: 10B(d, t0), Ed = 13.5 MeV; measured σ(θ). 9B deduced L, level-width.
1965DI03: 7Li(3He, n), E = 5.2 - 12.5 MeV; measured σ(En, θ), Q, level-width. 9B deduced levels.
1965GR08: 7Li(3He, nγ), E = 4.6 - 10 MeV; measured σ(E, Eγ). 9B deduced level.
1965IS05: 12C(p, α), E = 13 MeV; measured σ(Eα, θ(α)). 9B deduced levels.
1966CA02: 10B(3He, α)9B; measured not abstracted; deduced nuclear properties.
1966DA18: 9Be(p, n), E = 7.5 MeV; measured σ(En, θ). 9B deduced levels.
1966WA16: 10B(3He, p3α), E = 2.45, 6.0 MeV. 9B deduced levels J, π.
1966WI08: 9B; measured not abstracted; deduced nuclear properties.
1967CR04: 9Be(3He, t), E = 10 MeV; measured σ(Et, θ). 9B deduced DWBA fits.
1967CR05: 12C(p, α), E = 30.5 - 45.1 MeV; measured σ(E; θ).
1967EA01: 9Be(3He, t), E = 3.50 - 9.00 MeV; measured σ(E; θ).
1967SL04: 9Be(p, n)9B, E = 20 MeV. 9B; measured not abstracted; deduced nuclear properties.
1968DAZZ: 9Be(p, n), E ≈ 2 MeV; measured threshold energy; deduced Q.
1968KR02: 10B(3He, pα), E = 2.43 MeV; measured pα coin. 9B deduced levels, level-width.
1968KU04: 10B(p, d)9B; measured not abstracted; deduced nuclear properties.
1969BA05: 10B(p, d), E = 155.6 MeV; measured σ(Ed, θ). 9B deduced levels, J, π, L, S.
1969BA06: 9Be(3He, t), E = 40 - 50 MeV. 9B deduced levels.
1969SI20: 9Be(p, n), E = 2.06 - 2.10 MeV; measured σ(E).
1969VI05: 6Li(3He, p), E < 2 MeV; 6Li(3He, p2α), E = 1.5 - 2.0 MeV; measured σ(E; Ep, θ). 9B deduced resonance, J, π.
1970AL25: 6Li(3He, dγ), E = 0.5 - 1.3 MeV. 9B deduced resonance, J, π, T, level-width.
1970AN07: 9Be(p, n), E = 20 MeV; measured σ(En, θ). 9B deduced levels.
1970CL01: 9Be(p, n), E = 30, 50 MeV; measured σ(E; En, θ). 9B deduced levels J, π.
1970GU08: 7Li(3He, n), E = 2.3 - 3.2 MeV; measured σ(En, θ). 9B deduced levels, J, π.
1970MCZW: 7Li(3He, n); measured σ(En, Ep, Eα), σ(En, Ep). 9B level deduced p-branching.
1970SA05: 11B(p, t). 9B levels deduced J, π.
1970SI12: 9Be(p, n), E = 2 - 2.1 MeV; measured σ(E; θ).
1970SQ01: 10B(p, d), E = 49.5 MeV; measured σ(Ed, θ). 9B deduced levels, π.
1971AD01: 7Li(3He, nγ), E = 10 MeV; measured σ(En, Eγ). 9B levels deduced level-width, γ-branching.
1971ADZX: 7Li(3He, n), E = 8.25 MeV; measured σ(Ep, En). 9B level deduced proton decay branching.
1971ESZR: 9C(β+)9B, measured β-delayed proton spectra. 9B deduced levels, level-width.
1971FOZZ: 10B(3He, pα), E = 1.8 MeV; measured σ(Eα, Ep). 9B deduced levels.
1971HA10: 11B(p, t), E = 45 keV; measured σ(Et, θ). 9B deduced levels J, π, T, L, isobaric analogs.
1971HAZD: 11B(p, t), measured σ(Et). 9B deduced levels.
1971MAXO: 12C(p, α), E = 43.7 - 54.1 MeV; measured σ(Eα, θ). 9B deduced levels, J, π.
1971SQ02: 10B(polarized p, d), E = 49.56 MeV; measured asymmetry(θ).
1971SQ03: 10B(3He, α), E = 33.7 MeV; measured σ(Eα, θ). 9B levels deduced S.
1972AD04: 7Li(3He, pn), E = 7.95, 8.7, 10 MeV; measured σ(Ep, En, Eγ). 9B analog states deduced n-width, p-width.
1972AR22: 9Be(p, n), E = 17.8 MeV; measured σ(En). 9B deduced level.
1972MA21: 12C(p, α), E = 54, 43.7, 50.5 MeV; measured σ(Eα, θ). 9B levels deduced L. 9B high-lying states deduced J, π.
1972MAYB, 1972MAZK: 12C(p, α), E = 54 MeV; measured σ(Eα, θ). 9B deduced levels, J, π, level-width.
1972YOZI: 12C(3He, 6Li); measured σ(θ). 9B deduced transitions.
1973FOYG: 11B(3He, pα), E = 1.8 MeV; measured αp-coin. 9B deduced levels.
1973WIYQ: 9Be(3He, t), E = 217 MeV; measured σ(Et, θ). 9B deduced levels.
1974BE66: 11B(p, t), E = 46.5 MeV; measured σ(Et). 9B deduced levels, new mass quartet, mass excesses.
1974BEXM, 1974BEXP: 11B(p, t), E = 46.5 MeV; measured σ(Et, θ). 9B deduced resonance, level-width, mass excess.
1974FO08: 10B(3He, pα), E = 1.8 MeV; measured αp-coin. 9B deduced levels.
1974KA15: 11B(p, t), E = 42 MeV; measured σ(Et), Q. 9B deduced levels.
1974KAZU: 11B(p, t), E ≈ 40 MeV; measured σ(E(3H)). 9B deduced mass excess.
1974LU06: 10B(polarized d, t), E = 15 MeV. 9B levels deduced S, J-dependence, J-admixtures.
1975CHYA: 9Be(p, pn), E = 5.5 MeV; measured pn-coin. 9B deduced levels, Γ, particle branching.
1975DAYO: 10B(polarized d, t), E = 15 MeV; measured σ(θ).
1976CRZV: 9Be(polarized p, n), E = 3.6 - 5.6 MeV; measured σ(E, En, θ), A(θ).
1976LI08: 9Be(polarized p, n), E = 7 - 15 MeV; measured transverse polarization transfer coefficients.
1976MC10: 7Li(3He, n). 9B deduced Γp/Γ.
1976RO05: 9Be(polarized p, n), E = 2.4 - 2.9 MeV; measured analyzing power A(θ).
1977BYZZ: 9Be(polarized p, n), E = 1 - 9 MeV; measured σ(E), A(E).
1977GR04: 12C(p, pt), E = 75 MeV; measured σ(θ). 9B levels deduced S.
1977GUZN, 1977GUZX: 6Li(3He, α), E = 1.47 - 1.69 MeV; measured αα-coin. 9B deduced resonance at 16.74 MeV.
1978AL37: 6Li(3He, γ), (3He, p), E = 0.5 - 1.3 MeV; measured σ(E). 9B deduced level, T.
1978CH07: 9Be(p, pn), (p, n), E = 5.5 MeV; measured σ, pn-coin in kinematically complete experiment. 9B levels deduced particle branching.
1978DI08: 7Li(3He, nγ), E = 13 MeV; measured nγ-coin. 9B levels deduced γ-branching, Γ.
1978GU15: 6Li(3He, 2α), E = 1.4 - 1.8 MeV; measured σ(E, Eα1, Eα2). 9B deduced level.
1978SHZL: 9Be(p, n), E = 120 MeV; measured σ(θ). 9B levels deduced reaction mechanism.
1979BU17: 6Li(3He, 3He), (3He, d), E = 0.7 - 2 MeV. 9B deduced no levels.
1979DAZW: 12C(p, α), E = 45.2 MeV; measured σ(θ).
1980DA07: 12C(p, α), (p, pt), E = 45.2 MeV; measured σ(Ep, Et, θ), σ(Eα, θ).
1980MA33: 9Be(polarized p, n), E = 8.1 - 15 MeV; measured analyzing power A(E, θ).
1981DO13: 12C(polarized p, α), E = 72 MeV.
1982GU13: 9Be(p, n), E = 14.9, 17.8 MeV; measured σ(θ).
1983ANZU: 9Be(3He, t), 10B(3He, α), E = 90 MeV; 10B(d, t), E = 55 MeV; measured σ(Et), σ(Eα). 9B deduced level.
1983BY01: 9Be(p, n), E = 8.15 - 15.68 MeV; measured σ(E, θ).
1983BY02: 9Be(p, n), (polarized p, n), E = 2.7, 2.9, 8.1, 9.1, 10 MeV; measured P(θ), A(θ) vs E.
1983DJZV: 9Be(3He, t), E = 90 MeV; 10B(3He, α), E = 90 MeV; 10B(d, t), E = 55 MeV; measured particle spectra. 9B deduced level energy, width.
1983PE07: 12C(p, α), E = 42.77 MeV; measured σ(Eα), σ(θ). 9B levels deduced spectroscopic strengths.
1984BEZL: 10B(p, d), E = 18.6 MeV. 9B levels deduced S.
1984DJZZ: 9Be(3He, t), E = 90 MeV; measured σ(Et) vs θ. 9B deduced levels, widths.
1985BE13: 10B(p, d), E = 18.6 MeV; measured σ(θ). 9B levels deduced spectroscopic factors.
1985CO09: 9Be(6Li, 6He), E = 34, 36 MeV; measured σ(θ). 9B levels deduced spectroscopic factors.
1986AR14: 10B(3He, α), E = 2.3, 5 MeV; measured αα-coin. 9B deduced level, Γ.
1986MIZZ: 9C(β+); measured β-decay branching ratios. 9B deduced level, Iβ.
1986MU07: 9Be(polarized p, n), E = 8 - 17.57 MeV; measured σ(θ), A(θ).
1986MUZY: 9Be(polarized p, n), E = 8 - 17 MeV; measured σ(θ), analyzing power vs θ.
1987BUZZ: 9Be(6Li, 6He), E = 32 MeV; measured σ(E(6He)). 9B deduced level, possible J, π, IAS character.
1987KA36: 9Be(3He, t), E = 90 MeV; measured σ(E, θ), σ(Et). 9B deduced levels, possible analogs, Γ.
1988ANZW: 9Be(3He, t), E = 90 MeV; measured σ(Et). 9B deduced resonance evidence.
1988AR05: 10B(3He, α), E = 2.3, 5 MeV; measured σ(θα, θp). 9B deduced level, Γ.
1988BU18: 9Be(6Li, 6He), E = 32 MeV; measured σ(θ, E(6He)). 9B deduced levels, Γ.
1988MI03: 9C(β+); measured β-delayed Ep, Ip, β-delayed Eα, Iα, βαp-coin; deduced log ft. 9B levels deduced Iβ.
1990BO51: 9Be(3He, t), E = 40.5 MeV; measured Eα, Iα following residual breakup. 9B level deduced decay features.
1992CA31: 9Be(6Li, 6He), E = 32, 48 MeV; 10B(9Be, 10Be), E = 40, 73 MeV; measured particle spectra, σ(E(6He), θ). 9B level deduced limit on population.
1993RE04: 9Be(polarized 6Li, 6He), E = 32 MeV; measured σ(θ), analyzing powers vs θ. 9B levels deduced spectroscopic amplitudes.
1993UTZY: 9Be(14N, 14C), E = 87 MeV. 9B deduced possible (1/2)+ state.
1994AK02: 9Be(3He, t), E = 450 MeV. 9B deduced Gamow-Teller, spin-flip resonance excitation enhancement.
1994UTZY: 9Be(14N, 14C), E = 85 MeV; measured 14C spectra, σ(θ). 9B deduced levels, J, π.
1995TI06: 6Li(6Li, t), E = 56 MeV; measured 8Be + p relative energy spectra. 9B deduced levels, parameters.
1995UTZZ: 9Be(14N, 14C), E = 85 MeV; measured E(14C), particle spectra.
1996MAZY: 9Be(14N, 14C), E = 85 MeV. 9B deduced level, J, π.
2000GE09: 9C(β+); measured Eβ, Iβ, β-delayed particle spectra, coincidences. 9B levels deduced excitation and decay branching ratios.
2000YAZX: 9Be(3He, t), E = 450 MeV; measured σ(θ). 9B deduced levels, J, π.
2001AK09: 9Be(3He, t), E = 150 MeV/nucleon; measured σ(E, θ). 9B deduced excited states energies, widths.
2001BE51: 9C(β+); measured β-delayed Ep, Eα, pαα-coin, angular correlations. 9B deduced β-branching strengths.
2001BU05: 9C(β+); 9B deduced levels, J, π, Gamow-Teller strengths.
2002BE53: 9C(β+); measured Ep, Eα following daughter nucleus decay.
2002BO29: 9C(β+); measured Ep, Eα following daughter nucleus decay.
2004BO22: 9C(β+); analyzed β-delayed Eα, Ep, En, angular correlations. 9B deduced level energies, widths, decay branching ratios.
2004BO43: 9C(β+); measured β-delayed particle spectra, yields. 9B deduced excited states particle-decay features.
2008TO16: H, O(12C, X)9B, E = 200 - 400 MeV/nucleon; measured σ.
2009BA04: 9B, calculated excitation energies. Potential-model calculations.
2009SCZX: 9Be(3He, t), E* ≈ 0 - 17 MeV; measured E(particle), I(particle) at 0 degrees; deduced GT strengths.
2009UE01: 10B(e, e'n), E = 200 MeV; measured neutron spectra, σ, and σ(θ); deduced levels, J, π, missing energy spectrum, giant resonances.
2010FUZZ: 9Be(3He, t), E = 140 MeV/nucleon; measured Eγ, Iγ, reaction products; deduced dσ(E); GT strength.
2011CH32: 9Be(9C, X), E = 70 MeV/nucleon; measured particle spectra using HiRA array, angular correlations between the particles in particle-decay channels. 9B; deduced levels, width, J, π, isospin, branching ratios.
2011SC18: 9Be(3He, t), E = 140 MeV/nucleon; measured E(t), I(t), σ(θ). 9B; deduced levels, J, π, L-transfer, widths, Gamow-Teller transition strengths, DWBA analysis of σ(θ) data. Comparison with data from (p, n) reaction. Systematics of level energies, GT strengths and shapes of A = 9 nuclei: 9Li, 9Be, 9B and 9C.
2013OL03: 1H(16O, X)9B, E = 3.25 GeV; measured reaction fragments; deduced total σ yields.
2015WH01: 9Be(3He, t)9B*, E = 33 MeV; measured particle spectra. 9B; deduced levels, J, π, total and partial widths for 8Be + p and 5Li + α channels.
2017BR07: 9Be(9C, 9B), E = 68 MeV/nucleon; 9B deduced levels.

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Last modified: 22 May 2018