Pith Number

pith:I3URNA7R

pith:2026:I3URNA7RJVUOESQOYAXS7X6EGZ

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NLO QCD and parton-shower effects for Higgs-boson production in association with a hard photon via vector-boson fusion

Barbara J\"ager, Simon Reinhardt

NLO QCD corrections for Higgs plus photon production via vector-boson fusion are matched to parton showers in a new POWHEG implementation.

arxiv:2605.13257 v1 · 2026-05-13 · hep-ph

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\pithnumber{I3URNA7RJVUOESQOYAXS7X6EGZ}

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Claims

C1strongest claim

We present an implementation of Higgs-boson production in association with a hard, isolated photon via vector-boson fusion in the framework of the POWHEG BOX for the consistent matching of next-to-leading order QCD corrections with parton showers. The impact of parton-shower settings and non-perturbative effects on Higgs observables is studied and found to be small, while larger corrections are found for distributions of the sub-leading jets. Various approaches for the isolation of the photon are explored. For typical setups, the isolation strategy is found to have little impact on even the most sensitive observables.

C2weakest assumption

The POWHEG matching procedure between NLO QCD matrix elements and parton showers remains valid and accurate for this specific process and the chosen photon isolation criteria do not introduce uncontrolled biases into the reported observables.

C3one line summary

NLO QCD plus parton-shower matched implementation for VBF Higgs plus photon production, with studies showing small shower effects on Higgs observables and larger effects on sub-leading jets.

References

40 extracted · 40 resolved · 31 Pith anchors

[1] Higgs Boson Production in Association with a Photon in Vector Boson Fusion at the LHC 2007 · arXiv:hep-ph/0702119

[2] A. Biek¨ otter, R. Gomez-Ambrosio, P. Gregg, F. Krauss and M. Sch¨ onherr,Constraining SMEFT operators with associatedhγproduction in weak boson fusion,Phys. Lett. B814 (2021) 136079 [2003.06379] 2021

[3] Next-to-leading order QCD corrections to Higgs boson production in association with a photon via weak-boson fusion at the LHC 2010 · arXiv:1006.4237

[4] VBFNLO: A parton level Monte Carlo for processes with electroweak bosons 2009 · arXiv:0811.4559

[5] The automated computation of tree-level and next-to-leading order differential cross sections, and their matching to parton shower simulations 2014 · arXiv:1405.0301

Receipt and verification

First computed	2026-05-18T02:44:49.381362Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46e91683f14d68e24a0ec02f2fdfc43678b1ec8e8075d606dcd260eb0fb212b1

Aliases

arxiv: 2605.13257 · arxiv_version: 2605.13257v1 · doi: 10.48550/arxiv.2605.13257 · pith_short_12: I3URNA7RJVUO · pith_short_16: I3URNA7RJVUOESQO · pith_short_8: I3URNA7R

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Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/I3URNA7RJVUOESQOYAXS7X6EGZ \
  | 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: 46e91683f14d68e24a0ec02f2fdfc43678b1ec8e8075d606dcd260eb0fb212b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d759293236877fd9e6e9fc195a9c351850c4b7b7a82b0751f7c47ce161b39d92",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2026-05-13T09:40:20Z",
    "title_canon_sha256": "db6866228f19e26f029d15c80073ba7478672bbc4e698759b4e30fb1cd917fd1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.13257",
    "kind": "arxiv",
    "version": 1
  }
}