Pith Number

pith:FFBJF3HQ

pith:2026:FFBJF3HQU7KGZYM3M3PJS4IMRK

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Structure of the $^8$B and $^8$Li nuclei and the astrophysical $S_{17}(0)$-factor of the $^7$Be($p,\gamma$)$^8$B direct capture process within a three-body model

D.S. Toshova, E.M. Tursunov, S.A. Turakulov

A three-body model of 8B gives the zero-energy S-factor for 7Be(p,γ)8B as 22.492 eV b.

arxiv:2605.02826 v2 · 2026-05-04 · nucl-th · astro-ph.SR · nucl-ex

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4 Citations open

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Claims

C1strongest claim

For the zero-energy astrophysical factor of the direct nuclear capture process 7Be(p,γ)8B an estimate 22.492±0.014 eV b was obtained based on the asymptotic theory developed by D. Baye.

C2weakest assumption

That the three-body wave functions obtained with literature two-body potentials, once matched to their asymptotic form, correctly reproduce the ANC that enters the S-factor formula; any systematic error in the potentials or in the three-body truncation directly propagates into the quoted S17(0) value.

C3one line summary

A three-body model gives S17(0) = 22.492 ± 0.014 eV b for 7Be(p,γ)8B, dominated by the spin-2 channel at 20.838 eV b.

References

67 extracted · 1 resolved · 1 Pith anchors

[1] 739 fm − 1/ 2 in the spin 1 and spin 2 channels, respectively

[2] For the zero-energy astrophysical factor of the direct nuclear capture process 7Be(p,γ)8B an estimate S17(0) = 22 2000

[3] Structure of the $^8$B and $^8$Li nuclei and the astrophysical $S_{17}(0)$-factor of the $^7$Be($p,\gamma$)$^8$B direct capture process within a three-body model 2026 · arXiv:2605.02826

[4] 044 fm − 1 [26] was obtained from the analy- sis of the experimental diﬀerential cross-sections of the 13C(7Li,8Li)12C transfer reaction in the frame of the DWBA

[5] instead of <r 2 3He >1/ 2 as for the second particle. In Fig. 3 we examine a convergence of the calculated matter radii for the ground states of the 8B and 8Li nuclei as a function of Kmax, which vari

Cited by

2 papers in Pith

Structure of the $^8$B and $^8$Li nuclei and the astrophysical $S_{17}(0)$-factor of the $^7$Be($p,\gamma$)$^8$B direct capture process within a three-body model

Receipt and verification

First computed	2026-05-20T01:06:09.699093Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

294292ecf0a7d46ce19b66de99710c8abf75efe1f418059889f520b336e329b9

Aliases

arxiv: 2605.02826 · arxiv_version: 2605.02826v2 · doi: 10.48550/arxiv.2605.02826 · pith_short_12: FFBJF3HQU7KG · pith_short_16: FFBJF3HQU7KGZYM3 · pith_short_8: FFBJF3HQ

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Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/FFBJF3HQU7KGZYM3M3PJS4IMRK \
  | 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: 294292ecf0a7d46ce19b66de99710c8abf75efe1f418059889f520b336e329b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e30d5d3cdec4f9da1c4a09cced18959e007a1951e3bb97db7357bde781914711",
    "cross_cats_sorted": [
      "astro-ph.SR",
      "nucl-ex"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2026-05-04T17:02:17Z",
    "title_canon_sha256": "19210ab0e6580861d17aab89850556fe540241994ced41dee63be832be5ccc75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.02826",
    "kind": "arxiv",
    "version": 2
  }
}