¹²C   ¹³C   ¹⁴C

Go to isotope

Total MACS at 30keV:

0.021

±

0.004

mb

Cross sections do not include stellar enhancement factors!

Version	Total MACS [mb]	Partial to gs [mb]	Partial to isomer [mb]
0.0	0.021 ± 0.004	-	-

(Version 0.0 corresponds to Bao et al.)

Last review: 1999

original	renorm.	year	type	Comment	Ref
0.0198 ± 0.0037 25.7keV	0.021	1997	b	Pelletron, TOF, Au:B-VI; Recalcul. including contrib. of p-wave Men99 and of resonance at 153 keV RID90	SOK97
0.020 ± 0.009 40keV	0.015	1990	r	Pelletron, TOF, Au:B-VI; Recalcul. including contrib. of reson.(153keV)	RID90
0.23 ± 0.10		1981	c	Calcul. from data of MDH81	BVW92
0.12 ± 0.04		1971	a	Linac, TOF, 127I:BNL-325,2nd(1966)	AlM71

Original:MACS [<σ v>/v_T] (mb) for kT=30 keV, based on the published cross sections except where indicated otherwise.
Renorm:MACS [<σ v>/v_T] (mb) for kT=30 keV for which the reference or standard cross section was meanwhile improved.
Type: The letters and numbers in the column labelled 'type' give information on how the cross section has been obtained:

b	Calculated from smooth cross sections with model fit: ln(sigma) = a + a1 ln(E) + a2 ln^2(E)
r	Recalculated for kT = 30keV with the code described in Ref. 2 after renormalizing the original data to updated standard cross sections
c	Directly quoted from the reference itself
a	Calculated from resonance parameters with the formula from Ref. 45

Energy	5keV	10keV	15keV	20keV	25keV	30keV	40keV	50keV	60keV	80keV	100keV
MACS	0.0073	0.0081	0.0093	0.012	0.016	0.021 ± 0.004	0.032	0.041	0.046	0.050	0.050
SEF	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00	1.00
Rate	4.48	7.03	9.88	14.73	21.95	31.57	55.54	79.56	97.78	122.73	137.22

MACS:
Reference: SOK97,Men99
Procedure: 'e' (The Maxwellian-averaged cross sections (MACS) from kT=5 keV to 100 keV are obtained from experimental data; the relative uncertainties are similar to those quoted for the 30 keV data.)
Year: 1997

SEF (Stellar enhancement factor):
Reference: Rau09
Year: 2009
Comment:
. Please note: SEF for this element have not been calculated but are expected to be close to 1.
Rate:
Reaction rate N_A<σv> given in 10² cm³/mole/s, including SEF

	13O 8.58 ms β+ 14O 1.18 m β+ 15O 2.04 m β+ 16O 99.762 0.038 mb 17O 0.038 12N 11.00 ms β+ 13N 9.96 m β+ 14N 99.634 0.041 mb 15N 0.366 0.0058 mb 16N 7.13 s β- 11C 20.33 m β+ 12C 98.89 0.0154 mb 13C 1.11 0.021 mb 14C 5.70 ka 0.00848 mb, β- 15C 2.45 s β- 10B 19.8 11B 80.2 12B 20.20 ms β- 13B 17.30 ms β- 14B 12.50 ms β- 9Be 100 0.0104 mb 10Be 1.51 Ma β- 11Be 13.81 s β- 12Be 21.50 ms β- 13Be 0.00 ms N

Style: (Size: S, M, L, XL, Alberto; No-Macs: nox)