yoctobarn | 1 yb | 2 yb | 3 yb | 4 yb | 5 yb | 6 yb | 7 yb | 8 yb | 9 yb | 10 yb | 11 yb | 12 yb | 13 yb | 14 yb | 15 yb | 16 yb | 17 yb | 18 yb | 19 yb | 20 yb | 21 yb | 22 yb | 23 yb | 24 yb | 25 yb | 26 yb | 27 yb | 28 yb | 29 yb | 30 yb | 31 yb | 32 yb | 33 yb | 34 yb | 35 yb | 36 yb | 37 yb | 38 yb | 39 yb | 40 yb | 41 yb | 42 yb | 43 yb | 44 yb | 45 yb | 46 yb | 47 yb | 48 yb | 49 yb | 50 yb | 51 yb | 52 yb | 53 yb | 54 yb | 55 yb | 56 yb | 57 yb | 58 yb | 59 yb | 60 yb | 61 yb | 62 yb | 63 yb | 64 yb | 65 yb | 66 yb | 67 yb | 68 yb | 69 yb | 70 yb | 71 yb | 72 yb | 73 yb | 74 yb | 75 yb | 76 yb | 77 yb | 78 yb | 79 yb | 80 yb | 81 yb | 82 yb | 83 yb | 84 yb | 85 yb | 86 yb | 87 yb | 88 yb | 89 yb | 90 yb | 91 yb | 92 yb | 93 yb | 94 yb | 95 yb | 96 yb | 97 yb | 98 yb | 99 yb | 100 yb |
barn | 1.0 × 10-24 b | 2.0 × 10-24 b | 3.0 × 10-24 b | 4.0 × 10-24 b | 5.0 × 10-24 b | 6.0 × 10-24 b | 7.0 × 10-24 b | 8.0 × 10-24 b | 9.0 × 10-24 b | 1.0 × 10-23 b | 1.1 × 10-23 b | 1.2 × 10-23 b | 1.3 × 10-23 b | 1.4 × 10-23 b | 1.5 × 10-23 b | 1.6 × 10-23 b | 1.7 × 10-23 b | 1.8 × 10-23 b | 1.9 × 10-23 b | 2.0 × 10-23 b | 2.1 × 10-23 b | 2.2 × 10-23 b | 2.3 × 10-23 b | 2.4 × 10-23 b | 2.5 × 10-23 b | 2.6 × 10-23 b | 2.7 × 10-23 b | 2.8 × 10-23 b | 2.9 × 10-23 b | 3.0 × 10-23 b | 3.1 × 10-23 b | 3.2 × 10-23 b | 3.3 × 10-23 b | 3.4 × 10-23 b | 3.5 × 10-23 b | 3.6 × 10-23 b | 3.7 × 10-23 b | 3.8 × 10-23 b | 3.9 × 10-23 b | 4.0 × 10-23 b | 4.1 × 10-23 b | 4.2 × 10-23 b | 4.3 × 10-23 b | 4.4 × 10-23 b | 4.5 × 10-23 b | 4.6 × 10-23 b | 4.7 × 10-23 b | 4.8 × 10-23 b | 4.9 × 10-23 b | 5.0 × 10-23 b | 5.1 × 10-23 b | 5.2 × 10-23 b | 5.3 × 10-23 b | 5.4 × 10-23 b | 5.5 × 10-23 b | 5.6 × 10-23 b | 5.7 × 10-23 b | 5.8 × 10-23 b | 5.9 × 10-23 b | 6.0 × 10-23 b | 6.1 × 10-23 b | 6.2 × 10-23 b | 6.3 × 10-23 b | 6.4 × 10-23 b | 6.5 × 10-23 b | 6.6 × 10-23 b | 6.7 × 10-23 b | 6.8 × 10-23 b | 6.9 × 10-23 b | 7.0 × 10-23 b | 7.1 × 10-23 b | 7.2 × 10-23 b | 7.3 × 10-23 b | 7.4 × 10-23 b | 7.5 × 10-23 b | 7.6 × 10-23 b | 7.7 × 10-23 b | 7.8 × 10-23 b | 7.9 × 10-23 b | 8.0 × 10-23 b | 8.1 × 10-23 b | 8.2 × 10-23 b | 8.3 × 10-23 b | 8.4 × 10-23 b | 8.5 × 10-23 b | 8.6 × 10-23 b | 8.7 × 10-23 b | 8.8 × 10-23 b | 8.9 × 10-23 b | 9.0 × 10-23 b | 9.1 × 10-23 b | 9.2 × 10-23 b | 9.3 × 10-23 b | 9.4 × 10-23 b | 9.5 × 10-23 b | 9.6 × 10-23 b | 9.7 × 10-23 b | 9.8 × 10-23 b | 9.9 × 10-23 b | 1.0 × 10-22 b |
A yoctobarn (symbol: yb) is a unit of area equal to 10−52 m2.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
yoctobarn | yb | ≡ 10−52 m2 | ≡ 10−52 m2 | Nuclear Physics |
yoctobarns | barns | yoctobarns | barns |
---|---|---|---|
1 | ≡ 1.0E-24 | 6 | ≡ 6.0E-24 |
2 | ≡ 2.0E-24 | 7 | ≡ 7.0E-24 |
3 | ≡ 3.0E-24 | 8 | ≡ 8.0E-24 |
4 | ≡ 4.0E-24 | 9 | ≡ 9.0E-24 |
5 | ≡ 5.0E-24 | 10 | ≡ 1.0E-23 |
A barn (symbol: b) is a unit of area equal to 10−28 m2 (100 fm2). Originally used in nuclear physics for expressing the cross sectional area of nuclei and nuclear reactions, today it is also used in all fields of high-energy physics to express the cross sections of any scattering process, and is best understood as a measure of the probability of interaction between small particles.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
barn | b | ≡ 10−28 m2 | ≡ 10−28 m2 | Nuclear Physics |
barns | yoctobarns | barns | yoctobarns |
---|---|---|---|
1 | ≡ 1.0E+24 | 6 | ≡ 6.0E+24 |
2 | ≡ 2.0E+24 | 7 | ≡ 7.0E+24 |
3 | ≡ 3.0E+24 | 8 | ≡ 8.0E+24 |
4 | ≡ 4.0E+24 | 9 | ≡ 9.0E+24 |
5 | ≡ 5.0E+24 | 10 | ≡ 1.0E+25 |
yoctobarns | barns |
---|---|
1 | ≡ 1.0 × 10-24 |
1.0 × 1024 | ≡ 1 |
Symbol | Definition |
---|---|
≡ | exactly equal |
≈ | approximately equal to |
= | equal to |
digits | indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …) |