Search for Standard Model Higgs Bosons Produced in Association with W Bosons

CDF Collaboration: T. Aaltonen; et al

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Search for Standard Model Higgs Bosons Produced in Association with W Bosons

CDF Collaboration: T. Aaltonen, et al

High Energy Physics - Experiment · Submitted 24 Oct 2007

abstract compiled · 2026-09-23 · no language-model review

The authors' main claim We observe no excess l-nu-b-bbar production beyond the background expectation, and we set 95% confidence level upper limits on the production cross section times branching fraction sigma(p-pbar to WH) times Br(H to b-bbar) ranging from 3.9 to 1.3 pb, for specific Higgs boson mass hypotheses in the range 110 to 150 GeV/c2, respectively.

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arXiv ID0710.4363 (version 1)

Pith IDM4L4G6K5, Pith's permanent record of this paper and its review

CitationCDF Collaboration: T. Aaltonen, et al. "Search for Standard Model Higgs Bosons Produced in Association with W Bosons." arXiv:0710.4363 (2007). https://pith.science/paper/M4L4G6K5

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What the abstract itself states, as probabilities: claims first 0.02 · states limitation 0.44 · human participants 0.01 · controlled comparison 0.32 · randomized assignment 0.01 · states quantitative result 0.99 · compares with prior results 0.28 · mentions code or data availability 0.02.

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We report on the results of a search for standard model Higgs bosons produced in association with W bosons from p-pbar collisions at root s = 1.96 TeV. The search uses a data sample corresponding to approximately 1 fb-1 of integrated luminosity. Events consistent with the W to l-nu and H to b-bbar signature are selected by triggering on a high-pT electron or muon candidate and tagging one or two of the jet candidates as having originated from b quarks. A neural network filter rejects a fraction of tagged charm and light flavor jets, increasing the b-jet purity in the sample and thereby reducing the background to Higgs boson production. We observe no excess l-nu-b-bbar production beyond the background expectation, and we set 95% confidence level upper limits on the production cross section times branching fraction sigma(p-pbar to WH) times Br(H to b-bbar) ranging from 3.9 to 1.3 pb, for specific Higgs boson mass hypotheses in the range 110 to 150 GeV/c2, respectively.

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What the classifier reports for each sentence. The number is the probability it gave the label.
#	sentence	role	the authors' own work	states the main conclusion	strength
s0	We report on the results of a search for standard model Higgs bosons produced in association with W bosons from p-pbar collisions at root s = 1.96 TeV.	contribution 1.00	0.93	0.04	asserted 0.92
s1	The search uses a data sample corresponding to approximately 1 fb-1 of integrated luminosity.	method 1.00	0.84	0.01	asserted 1.00
s2	Events consistent with the W to l-nu and H to b-bbar signature are selected by triggering on a high-pT electron or muon candidate and tagging one or two of the jet candidates as having originated from b quarks.	method 1.00	0.93	0.02	asserted 0.99
s3	A neural network filter rejects a fraction of tagged charm and light flavor jets, increasing the b-jet purity in the sample and thereby reducing the background to Higgs boson production.	method 0.99	0.90	0.02	asserted 1.00
s4	We observe no excess l-nu-b-bbar production beyond the background expectation, and we set 95% confidence level upper limits on the production cross section times branching fraction sigma(p-pbar to WH) times Br(H to b-bbar) ranging from 3.9 to 1.3 pb, for specific Higgs boson mass hypotheses in the range 110 to 150 GeV/c2, respectively.	result 1.00	0.97	0.95	asserted 1.00

What kind of paper the classifier reports this is: empirical study 1.00 · evidence from observation or experiment 0.89.

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arXiv listing abstract v1

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full text
figures and tables
references and citing sentences
relations to other papers

levels run

P abstract

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S sections
T body sentences
C citations
R cross-paper relations

Every quoted sentence on this record is the authors'. Every label is from Pith's closed vocabulary, with the probability shown beside it. Every number in the measurements table is the authors', checked by code. Record as JSON

The paper

Original abstract

We report on the results of a search for standard model Higgs bosons produced in association with W bosons from p-pbar collisions at root s = 1.96 TeV. The search uses a data sample corresponding to approximately 1 fb-1 of integrated luminosity. Events consistent with the W to l-nu and H to b-bbar signature are selected by triggering on a high-pT electron or muon candidate and tagging one or two of the jet candidates as having originated from b quarks. A neural network filter rejects a fraction of tagged charm and light flavor jets, increasing the b-jet purity in the sample and thereby reducing the background to Higgs boson production. We observe no excess l-nu-b-bbar production beyond the background expectation, and we set 95% confidence level upper limits on the production cross section times branching fraction sigma(p-pbar to WH) times Br(H to b-bbar) ranging from 3.9 to 1.3 pb, for specific Higgs boson mass hypotheses in the range 110 to 150 GeV/c2, respectively.

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4 arXiv papers cite this in 5 sentences

Each citing sentence is taken from the citing paper's LaTeX source and typed by Pith's classifier. A label appears at probability 0.8 or more (0.95 for support), a contest at 0.7 or more; the quoted words are the citing authors'. How each label was checked · JSON

Papers whose main result relates to this one's

Found among the papers closest to this one by title and main claim. Pith's classifier compared each pair's main results and a second model family confirmed the relation; checked against two further families, shown conflicts agreed 118 times in 120 and shown same results 218 times in 239. The quoted sentence is the other paper's main claim.

States the same result 2 papers

The observed number of events and the dijet mass distributions are consistent with the standard model background expectations, and we set 95% confidence level upper limits on the production cross section times branching ratio ranging from 3.9 to 1.3 pb for Higgs boson masses from 110 to 150 GeV/c2, respectively.

Search for Standard Model Higgs Boson Production in Association with a W Boson at CDF · 1.00
No signal-like excess is observed, and we set 95 % C.L. upper limits on the WH production cross section multiplied by the branching ratio for H->bb for Higgs boson masses between 100 and 150 GeV.

A search for associated W and Higgs Boson production in ppbar collisions at sqrt{s}=1.96 TeV · 0.88

Papers citing it · 3 sentences without a confident label

Compares with it 1 paper

The result is also compared to the CDF result recently submitted for publication on 1.0 fb$^-1$ of data [ref] , showing comparable expected sensitivity when taking into account the difference in integrated luminosity.

A combined search for the standard model Higgs boson at sqrt{s}=1.96 TeV · Introduction · 1.00

Cites it as background 1 paper

The hadronic production of weak gauge bosons in association with a bottom-quark pair plays a crucial role in some of the current studies of EWSB and beyond the SM physics at the Fermilab Tevatron $pp̅$ collider [ref] . $W bb̅$ and $Zbb̅$ production processes represent the major irreducible backgrounds to the main search modes for a light SM-like Higgs boson at the Tevatron, i.e. $WH$ and $ZH$ with $H→bb̅$. $Wbb̅$ also accounts for one of the most important backgrounds to single-top production, $pp̅→tb̅,t̅b$ with $t(t̅)→Wb(b̅)$, which tests the fundamental structure of the $Wtb$ vertex at the Tevatron [ref] .

NLO QCD corrections to Z b anti-b production with massive bottom quarks at the Fermilab Tevatron · Introduction · 0.85

What it cites · 10 sentences without a confident label

Uses the method or tool of 5 papers

Specifically, we apply the secvtx secondary vertex finding algorithm [ref] to each jet in the event, using tracks within the $ΔR=0.4$ cone centered on the jet axis.

Measurement of the ttbar Production Cross Section in ppbar Collisions at sqrt(s) = 1.96 TeV · Introduction · 1.00
We use the alpgen Monte Carlo program [ref] to calculate the rate of $Wbb̅, Wcc̅$, and $Wc$ production relative to inclusive $W$+jets production.

ALPGEN, a generator for hard multiparton processes in hadronic collisions · Introduction · 1.00
Both networks have the same set of 16 inputs: the number of tracks in the secondary vertex, the $χ^2$ value of the vertex fit, the transverse decay length and its significance, the vertex mass calculated by assuming the charged pion mass for all particles, the proper time assuming the vertex mass, the fraction of the jet $p_T$ carried by tracks in the vertex, the vertex pass number, the number of tracks with significant impact parameter, the reconstructed mass of the secvtx pass 1 and pass 2 tracks, the numbers of pass 1 and pass 2 tracks, the fraction of the jet $p_T$ carried by the pass 1 and pass 2 tracks, and finally the probability of a selected ensemble of tracks to have originated at the primary vertex [ref] .

Measurement of the ttbar Production Cross Section in ppbar collisions at sqrt{s} = 1.96 TeV using Lepton+Jets Events with Jet Probability b-tagging · Introduction · 0.90

Uses data or values from 4 papers

Small contributions from electroweak backgrounds ($WW$, $ZZ$, $WZ$, and $Z→ττ$) are estimated using the most recent theoretical cross section calculations [ref] , with acceptances calculated using fully simulated events from the pythia Monte Carlo program.

An update on vector boson pair production at hadron colliders · Introduction · 0.95
It is normalized to the NLO cross section $6.7^+0.7_-0.9 pb$ calculated for $m_t=175 GeV/c^2$ [ref] .

The t-tbar cross-section at 1.8 and 1.96 TeV: a study of the systematics due to parton densities and scale dependence · Introduction · 0.99
The small contribution from production of single top quarks is estimated using madevent [ref] and pythia normalized to the NLO cross section [ref] .

MadEvent: Automatic Event Generation with MadGraph · Introduction · 0.87

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