Pith Number

pith:6IF5PFYN

pith:2026:6IF5PFYN4NBTZVZ6BIRBKGG3EA

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Mixing plant for JUNO liquid scintillator: Design, construction, installation and commissioning

Boxiang Yu, Hansheng Sun, Jian Fang, Jie Zhao, Junyu Shao, Lijun Sun, Li Zhou, Mengchao Liu, Tao Hu, Wanjin Liu, Wenjie Li, Xiao Cai, Xilei Sun, Xin Ling, Yayun Ding, Yuguang Xie

The JUNO mixing plant reduces radioactive contaminants in the liquid scintillator master solution by two orders of magnitude using acid and water extraction and filtration.

arxiv:2605.15525 v1 · 2026-05-15 · physics.ins-det

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\usepackage{pith}
\pithnumber{6IF5PFYN4NBTZVZ6BIRBKGG3EA}

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Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

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The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Claims

C1strongest claim

Commissioning results of the LS verify that the Mixing Plant achieved its design goal, delivering ultra pure LS that satisfies the stringent radiopurity requirements for neutrino physics.

C2weakest assumption

The acid and water extraction followed by multi-stage filtration can be performed at the required scale without introducing new radioactive or optical contaminants that would compromise the final liquid scintillator performance.

C3one line summary

The JUNO LS Mixing Plant purifies master solution to lower radioactive contaminants by approximately two orders of magnitude via extraction and filtration, then mixes it with LAB to deliver ultra-pure liquid scintillator meeting radiopurity requirements.

References

12 extracted · 12 resolved · 1 Pith anchors

[1] Progress in Particle and Nuclear Physics , keywords = 2022 · doi:10.1016/j.ppnp.2021.103927

[2] JUNO conceptual design report 2015 · arXiv:1508.07166

[3] Journal of Instrumentation18(02), 02013 (2023) https://doi.org/10.1088/1748-0221/18/02/P02013 2023 · doi:10.1088/1748-0221/18/02/p02013

[4] JHEP 11, 102 (2021) https://doi.org/10.1007/JHEP11(2021)102 arXiv:2107.03669 [physics.ins-det] 2021 · doi:10.1007/jhep11(2021)102

[5] Zhu, Z., Sun, L., Hu, T., Fang, J., Ye, J., Zhou, L., Liu, M., Liu, W., Cai, X., Sun, X., Ding, Y., Xie, Y., Yu, B.: Optical purification pilot plant for juno liquid scintillator. Nuclear Instruments 2023 · doi:10.1016/j.nima.2022.167890

Receipt and verification

First computed	2026-05-20T00:01:03.369419Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f20bd7970de3433cd73e0a221518db201685416c39839fd14f8414089c872e9a

Aliases

arxiv: 2605.15525 · arxiv_version: 2605.15525v1 · doi: 10.48550/arxiv.2605.15525 · pith_short_12: 6IF5PFYN4NBT · pith_short_16: 6IF5PFYN4NBTZVZ6 · pith_short_8: 6IF5PFYN

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/6IF5PFYN4NBTZVZ6BIRBKGG3EA \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: f20bd7970de3433cd73e0a221518db201685416c39839fd14f8414089c872e9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7e5415af40549c30aada2d6923442455c639710f5344ad647b54d55329b29af",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2026-05-15T01:46:40Z",
    "title_canon_sha256": "4def3c3e0ce572303944aead01ff6568764762961630bc60e8df8043cfc2958f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.15525",
    "kind": "arxiv",
    "version": 1
  }
}