Pith Number

pith:YA5DPU76

pith:2026:YA5DPU76QJBQMX4ZVFEYOIYJLT

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Target-Mass Corrections in the OPE Sum-Rule Approach to Quarkonium-Nucleon Interactions with Global-Fit PDFs: an $x$-Resolved Analysis

Arkadiy I. Syamtomov

Target-mass corrections in quarkonium-nucleon OPE sum rules depend on both kinematic weights and PDF x-support redistribution

arxiv:2604.20217 v3 · 2026-04-22 · hep-ph

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Claims

C1strongest claim

We show that the magnitude of the TMC effect is controlled not only by the universal kinematic weight appearing in the modified sum rules, but also by the way in which a given global-fit PDF redistributes the support of the moments between the small-, intermediate- and large-x regions. The cross section is computed directly via the partonic convolution integral, bypassing the two-parameter threshold ansatz.

C2weakest assumption

The validity of the OPE sum-rule approach for inelastic quarkonium-nucleon interactions and the accuracy of the global-fit PDFs at the relevant scales and x regions; additionally, that the direct convolution method correctly captures the physics without introducing new approximations.

C3one line summary

An x-resolved analysis shows that target-mass corrections in quarkonium-nucleon sum rules depend on both kinematic factors and how modern PDFs distribute gluon support across x regions, with cross sections computed via direct convolution rather than a threshold ansatz.

Cited by

1 paper in Pith

The OPE-Regge Transition in $J/\psi$ Photoproduction

Receipt and verification

First computed	2026-05-27T01:05:54.852423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c03a37d3fe8243065f99a9498723095cf05cc30c2ed287bc9e09081deccc5084

Aliases

arxiv: 2604.20217 · arxiv_version: 2604.20217v3 · doi: 10.48550/arxiv.2604.20217 · pith_short_12: YA5DPU76QJBQ · pith_short_16: YA5DPU76QJBQMX4Z · pith_short_8: YA5DPU76

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Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/YA5DPU76QJBQMX4ZVFEYOIYJLT \
  | 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: c03a37d3fe8243065f99a9498723095cf05cc30c2ed287bc9e09081deccc5084

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1797f31a89bd6730c6c9345a175071713c3709d33bcbe268c22dee5e5b42702",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2026-04-22T06:06:05Z",
    "title_canon_sha256": "20eabf97156b4443e324991d4c8cd02f0949b9a33b80b89471d0e725ae861b9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2604.20217",
    "kind": "arxiv",
    "version": 3
  }
}