Single spin asymmetries from a gluonic background in the Drell-Yan process

D. Boer; O.V. Teryaev; P.J. Mulders

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Single spin asymmetries from a gluonic background in the Drell-Yan process

D. Boer, P.J. Mulders, O.V. Teryaev

High Energy Physics - Phenomenology · Submitted 2 Oct 1997

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The authors' main claim Both gluonic poles and time-reversal odd distribution functions can lead to the same single spin asymmetries.

how it is stated · hedged possibility 0.77 read the record →

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arXiv IDhep-ph/9710223 (version 1)

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CitationD. Boer, O.V. Teryaev, P.J. Mulders. "Single spin asymmetries from a gluonic background in the Drell-Yan process." arXiv:hep-ph/9710223 (1997). https://pith.science/paper/K4VTTP7C

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What the abstract itself states, as probabilities: claims first 0.10 · states limitation 0.65 · human participants 0.01 · controlled comparison 0.03 · randomized assignment 0.01 · states quantitative result 0.03 · compares with prior results 0.49 · mentions code or data availability 0.02.

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We discuss the effects of so-called gluonic poles in twist-three hadronic matrix elements, as first considered by Qiu and Sterman, in the Drell-Yan process. These effects cannot be distinguished from those of time-reversal odd distribution functions, although time-reversal invariance is not broken by the presence of gluonic poles. Both gluonic poles and time-reversal odd distribution functions can lead to the same single spin asymmetries. We explicitly show the connection between gluonic poles and large distance gluon fields, identify the possible single spin asymmetries in the Drell-Yan process and discuss the role of intrinsic transverse momentum of the partons.

background contribution method result interpretation main claim

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#	sentence	role	the authors' own work	states the main conclusion	strength
s0	We discuss the effects of so-called gluonic poles in twist-three hadronic matrix elements, as first considered by Qiu and Sterman, in the Drell-Yan process.	contribution 0.56	0.48	0.08	asserted 0.73
s1	These effects cannot be distinguished from those of time-reversal odd distribution functions, although time-reversal invariance is not broken by the presence of gluonic poles.	interpretation 0.50	0.17	0.24	asserted 1.00
s2	Both gluonic poles and time-reversal odd distribution functions can lead to the same single spin asymmetries.	result 0.78	0.22	0.42	hedged possibility 0.77
s3	We explicitly show the connection between gluonic poles and large distance gluon fields, identify the possible single spin asymmetries in the Drell-Yan process and discuss the role of intrinsic transverse momentum of the partons.	contribution 1.00	0.92	0.25	asserted 0.99

What kind of paper the classifier reports this is: theoretical result 0.99 · evidence from proof or derivation 0.88.

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The paper

Original abstract

We discuss the effects of so-called gluonic poles in twist-three hadronic matrix elements, as first considered by Qiu and Sterman, in the Drell-Yan process. These effects cannot be distinguished from those of time-reversal odd distribution functions, although time-reversal invariance is not broken by the presence of gluonic poles. Both gluonic poles and time-reversal odd distribution functions can lead to the same single spin asymmetries. We explicitly show the connection between gluonic poles and large distance gluon fields, identify the possible single spin asymmetries in the Drell-Yan process and discuss the role of intrinsic transverse momentum of the partons.

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References

Forward citations

Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

Semi-inclusive deep inelastic scattering at small transverse momentum
hep-ph 2006-11 accept novelty 6.0 of 10

The paper derives the complete lowest-order set of 18 semi-inclusive DIS structure functions through twist 3 in terms of transverse-momentum-dependent quark distributions and fragmentation functions, for all beam and ...
Time-reversal odd distribution functions in leptoproduction
hep-ph 1997-11 accept novelty 6.0 of 10

The paper derives leading-order azimuthal asymmetries in leptoproduction that would signal time-reversal-odd quark distribution and fragmentation functions, including new probes of the Boer-Mulders and Sivers-like functions.
Azimuthal and Single Spin Asymmetries in Hard Scattering Processes
hep-ph 2007-12 conditional novelty 2.0 of 10

Large left-right asymmetries in pion production off polarized protons are best described by a transverse-momentum-dependent Sivers function, but the factorization underpinning single-inclusive hadroproduction remains ...

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14 arXiv papers cite this in 23 sentences

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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 1 paper

Even though time-reversal invariance is not broken, the effects of such poles cannot be distinguished from those of time-reversal odd distribution functions.

Single spin asymmetries in the Drell-Yan process · 0.99

Papers citing it · 14 sentences without a confident label

Uses its data or values 1 paper

The derived relations are verified numerically using unpolarized TMDs from the recent N4LL extraction ART23 [ref] , demonstrating the consistency of the method. * The first TMM provides information about the distribution of the average transverse momentum shift of partons [ref] , and it is expressed via collinear distributions of twist three.

Transverse momentum moments · Introduction · 0.81

Compares with it 2 papers

We extract the imaginary part of the pole by using the formula [equation] Collecting all the pieces we finally arrive at the following polarized differential cross section, [equation] This provides the asymmetry [equation] which, as already stated above, is just half of the result ([ref]) obtained in Refs. [ref] .

Transverse single spin asymmetry in the Drell-Yan process · Asymmetry derived in covariant gauge · 0.97
In the second step, we collect by $k_T$ and $p_T$ to simplify the comparison with Eq. (4.5) in Bacchetta:2006tn, which reads [Compared to their original notation, we have exchanged $↔$, and used that their unit vector $ĥ = P⃗_hT / P_hT = (1, 0)$ in our conventions.] [equation] Comparing WUU_oursWUU_theirs, we find agreement if [equation] which is precisely relation_eom that results from the QCD equations of motion [ref] .

Factorization for Azimuthal Asymmetries in SIDIS at Next-to-Leading Power · Illustration for $W_UU^cosϕ_h$ · 0.89

Cites it as background 5 papers

Among the leading-twist TMD PDFs, the Sivers function [ref] is one of the most interesting and it is widely investigated in $p^↑p →h X$ inclusive processes [ref] .

Estimates for the single-spin asymmetries in $p^{\uparrow}p \to J/\psi X$ process at PHENIX RHIC and SPD NICA · Introduction · 1.00
The quark-gluon-quark distributions are real-valued functions that satisfy the symmetry relations [equation] Often it is convenient to use the following combination [equation] In the literature one can find different notations for these distributions [ref] .

Sivers, Boer-Mulders and worm-gear distributions at next-to-leading order · Collinear distributions of twist-three · 0.99
For example, the transverse momentum dependent (TMD) parton distribution functions (PDF) and fragmentation functions (FF) [ref] were introduced, and a TMD factorization formalism [ref] was developed.

Flavor, transverse momentum, and azimuthal dependence of charged pion multiplicities in SIDIS with 10.6 GeV electrons · Theoretical interpretation · 0.88

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