Numerical Atlas

Name

Symbol

Suggested: Y _ { p }, Y _ { P }, | \Delta v / v |, \delta m _ { q } / m _ { q }, \Delta Y _ { p }

Unit

Suggested: Dimensionless

Lower Bound

Upper Bound

Exclude

Without Uncertainties

With Uncertainties

Constraints

arXiv ID

Name/Symbol Condition

OR

AND

Name: 4 } He

Mean: 1.19 ± 2.58

Median: 0.265

Range: 0.01 ‒ 10

14 results.

Download Data (CSV)

arXiv	Name	Symbol	Parsed	Bound
hep-ph/9505319 🔍 (source)	{ 4 } He abundance		0.014	Lower
astro-ph/9805179 🔍 (source)	primordial ^ { 4 } He abundance	\Delta Y _ { p }	0.01
astro-ph/9901157 🔍 (source)	^ { 4 } He abundance	Y _ { P }	0.246 ± 0.0014
astro-ph/0101559 🔍 (source)	{ 3 } He/ ^ { 4 } He ratio of order		10.0	Lower
astro-ph/0112348 🔍 (source)	primordial ^ { 4 } Helium mass fraction	Y _ { p }	0.2443 ± 0.0015
astro-ph/0310699 🔍 (source)	primordial ^ { 4 } He mass fraction	Y _ { P }	0.00013000000000000002
0710.1279 🔍 (source)	{ 3 } He + ^ { 4 } He		0.33
0710.1279 🔍 (source)	{ 3 } He + ^ { 4 } He	E _ { c . m . }	1.23	Upper
0806.1683 🔍 (source)	primordial ^ { 4 } He abundance	\| \Delta v / v \|	0.00015000000000000001	Upper
1012.3840 🔍 (source)	^ { 4 } He abundances	\delta m _ { q } / m _ { q }	0.7	Upper
1308.2100 🔍 (source)	primordial ^ { 4 } He mass fraction	Y _ { p }	0.254 ± 0.003
1312.7706 🔍 (source)	4 } He	Y _ { P }	0.254 ± 0.003
1408.6953 🔍 (source)	primordial ^ { 4 } He mass fraction	Y _ { p }	0.2551 ± 0.0022
1412.2052 🔍 (source)	A ^ { 3 } He/ ^ { 4 } He ratio		0.275 ^{+0.024999999999999967}_{-0.025000000000000022}