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B − L

quantum number (difference between the baryon number and the lepton number), conserved in some grand unified theories even when baryon and lepton numbers are not separately conserved
Thing quantum_number Q2567685
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B − L

Summary

B − L is a quantum number[1]. It draws 17 Wikipedia views per month (quantum_number category, ranking #3 of 3).[2]

Key Facts

  • B − L's instance of is recorded as quantum number[3].
  • B − L's instance of is recorded as conservation law[4].
  • B − L's Freebase ID is recorded as /m/04tchs[5].
  • B − L's studied by is recorded as particle physics[6].
  • B − L's studied by is recorded as theoretical physics[7].
  • B − L's Microsoft Academic ID is recorded as 2776496057[8].

Why It Matters

B − L draws 17 Wikipedia views per month (quantum_number category, ranking #3 of 3).[2] It has Wikipedia articles in 13 language editions, a strong signal of global cultural recognition.[9] It is known by 6 alternative names across languages and contexts.[10]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . Freebase Data Dumps. wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [9] ↑ . Wikidata sitelinks. wikidata.org.
  3. [10] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). B − L. Retrieved May 3, 2026, from https://4ort.xyz/entity/b-l-q2567685
MLA “B − L.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/b-l-q2567685.
BibTeX @misc{4ortxyz_b-l-q2567685_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{B − L}}, year = {2026}, url = {https://4ort.xyz/entity/b-l-q2567685}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): B − L — https://4ort.xyz/entity/b-l-q2567685 (retrieved 2026-05-03)

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