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Probing the Gauge Content of Heavy Resonances with Soft Radiation
High Energy Physics - Phenomenology · Submitted 26 Aug 2009
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim It is found that the pattern of soft gluon radiation into a rapidity gap depends on color flow in the hard scattering, and reflects the gauge content of new physics.
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The paper's own sentences, arranged. Each label is drawn from a closed vocabulary; the number beside it is the probability the classifier gave that label. Numbers in the tables are the authors', checked by code. No sentence in this record was written by a model.
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The abstract, sentence by sentence
The use of energy flow is investigated as a diagnostic tool for determining the color SU(3) representation of new resonances. It is found that the pattern of soft gluon radiation into a rapidity gap depends on color flow in the hard scattering, and reflects the gauge content of new physics. The massive soft anomalous dimension matrix for rapidity gap events is introduced for describing soft gluon emission analytically in heavy quark pair production. A gap fraction is used for quantifying the amount of soft radiation into the gap region. In general, the results illustrate that radiation is greater for a singlet resonance than for an octet. Especially, it is found that the quantitative difference is quite distinguishable for spin-1 resonances, depending on the gauge content in the new sector.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | The use of energy flow is investigated as a diagnostic tool for determining the color SU(3) representation of new resonances. | contribution 0.92 | 0.62 | 0.07 | asserted 0.79 |
| s1 | It is found that the pattern of soft gluon radiation into a rapidity gap depends on color flow in the hard scattering, and reflects the gauge content of new physics. | result 0.89 | 0.88 | 0.68 | asserted 1.00 |
| s2 | The massive soft anomalous dimension matrix for rapidity gap events is introduced for describing soft gluon emission analytically in heavy quark pair production. | contribution 0.57 | 0.86 | 0.06 | asserted 1.00 |
| s3 | A gap fraction is used for quantifying the amount of soft radiation into the gap region. | method 0.98 | 0.55 | 0.04 | asserted 1.00 |
| s4 | In general, the results illustrate that radiation is greater for a singlet resonance than for an octet. | result 1.00 | 0.86 | 0.43 | asserted 0.94 |
| s5 | Especially, it is found that the quantitative difference is quite distinguishable for spin-1 resonances, depending on the gauge content in the new sector. | result 0.99 | 0.93 | 0.31 | asserted 1.00 |
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The paper
Original abstract
The use of energy flow is investigated as a diagnostic tool for determining the color SU(3) representation of new resonances. It is found that the pattern of soft gluon radiation into a rapidity gap depends on color flow in the hard scattering, and reflects the gauge content of new physics. The massive soft anomalous dimension matrix for rapidity gap events is introduced for describing soft gluon emission analytically in heavy quark pair production. A gap fraction is used for quantifying the amount of soft radiation into the gap region. In general, the results illustrate that radiation is greater for a singlet resonance than for an octet. Especially, it is found that the quantitative difference is quite distinguishable for spin-1 resonances, depending on the gauge content in the new sector.
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References
How the literature uses it
10 arXiv papers cite this in 14 sentences
Papers citing it · 9 sentences without a confident label
Cites it as background 4 papers
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This matter has been explored in some recent papers [ref] and our purpose is to present a detailed feasibility study that makes quantitative statements about the potential of such a measurement at the LHC.
Identifying the colour of TeV-scale resonances · Introduction · 0.82
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It is worth noting that methods to extract the colour of a heavy resonance have been discussed in the literature [ref] .
The dependency of boosted tagging algorithms on the event colour structure · Impact on experimental analyses · 0.94
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It has also been discussed how the ISR jets affect the new physics processes [ref] .
Enhancing di-jet resonance searches via a final-state radiation jet tagging algorithm · Introduction · 0.98
What it cites · 53 sentences without a confident label
Uses the method or tool of 4 papers
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Following Ref. [ref] , we consider the partonic cross sections integrated over the transverse energy, $Q_c$, radiated into a symmetric, central rapidity gap region, $Y$ in Fig. [ref], up to a fixed value $Q_0$, d σ̂^() (M, m_Q, Q_0, μ_F, , Y, α_s(μ_F)) /d =∫^Q_0_0 d Q_c d σ̂^()(M, m_Q, Q_c, μ_F, , Y, α_s(μ_F))/d d Q_c .
Energy Flow in Interjet Radiation · Factorized and refactorized cross sections · 0.86
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Our formulation of the problem is in terms of the transverse energy flow, $Q_c$, of hadronic radiation carried by the particles [ref] .
Energy and Color Flow in Dijet Rapidity Gaps · The gap fraction · 0.87
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We use an $s$-channel singlet-octet basis [ref] for quark-antiquark annihilation to a heavy quark pair, c_singlet = c_1, c_octet = -1/2N_cc_1+c_2/2 ,
Threshold Resummation for Dijet Cross Sections · Massive Gap Soft Anomalous Dimension Matrices · 0.91
Uses data or values from 5 papers
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Axigluons or universal colorons have decay width of about $α_s M_G$ [ref] , resulting in $√(ΓM_G) ∼p_T$ where $p_T$ is the hard scale we have used.
Top production at the Tevatron/LHC and nonstandard, strongly interacting spin one particles · Massive Gap Soft Anomalous Dimension Matrices · 0.87
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For example, a KK gluon above $1$TeV (as required by precision tests) has decay width of about $M_G /6$ [ref] in basic RS models, and $0.215 M_G$ [ref] in RS models based on extended electroweak gauge symmetry with specific fermion charges and localization that explain the LEP anomaly of the forward-backwardy asymmetry for $b$ quarks.
The Bulk RS KK-gluon at the LHC · Massive Gap Soft Anomalous Dimension Matrices · 0.96
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For example, a KK gluon above $1$TeV (as required by precision tests) has decay width of about $M_G /6$ [ref] in basic RS models, and $0.215 M_G$ [ref] in RS models based on extended electroweak gauge symmetry with specific fermion charges and localization that explain the LEP anomaly of the forward-backwardy asymmetry for $b$ quarks.
Kaluza--Klein excitations of gauge bosons at the LHC · Massive Gap Soft Anomalous Dimension Matrices · 0.96
Compares with 1 paper
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We take the massless limit, $ρ=1$, in Eq. ([ref]) to cross-check these results with the previous calculation for massless dijet events, and find [ref] γ_S^(1)_(12) = Y - i π , γ_S^(1)_(ab) = ln( sinh( +Y/2 ) / sinh( -Y/2 ) ) - i π , γ_S^(1)_(1a) = γ_S^(1)_(2b) = 1/2 ( ln( sinh( +Y/2 )/sinh( -Y/2 ) ) - Y ) , γ_S^(1)_(1b) = γ_S^(1)_(2a) = - 1/2 ( ln( sinh( +Y/2 )/sinh( -Y/2 ) ) +Y ) .
The resummation of inter-jet energy flow for gaps-between-jets processes at HERA · Massive Gap Soft Anomalous Dimension Matrices · 0.98
Cites as background 27 papers
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A quantitative explanation of these events in terms of factorizable cross sections was studied in Ref. [ref] , which discussed the dependence of the dijet cross section on energy flow, $Q_c$, into the central region, in terms of a soft function that is a matrix in the space of the possible color exchange at the hard scattering.
Energy and Color Flow in Dijet Rapidity Gaps · Introduction · 0.81
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The soft anomalous dimension matrix for three jet rapidity gap processes was calculated in Refs. [ref] .
Color structure for soft gluon resummation - a general recipe · Introduction · 0.88
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The soft anomalous dimension matrix for three jet rapidity gap processes was calculated in Refs. [ref] .
The colour evolution of the process q q -> q q g · Introduction · 0.88
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