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Full jet reconstruction in 200 GeV p+p, d+Au and Au+Au collisions by STAR
Nuclear Experiment · Submitted 16 Sep 2009
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim We report measurements of fully reconstructed jets in p+p, d+Au and Au+Au collisions at $\sqrt{s_\mathrm{NN}} = 200 \mathrm{GeV}$ from the STAR experiment at RHIC.
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The abstract, sentence by sentence
Measurements of inclusive hadron suppression and di-hadron azimuthal correlations have provided important insights into jet quenching in hot QCD matter. However, they do not provide access to the energy of the hard scattering and are limited in their sensitivity since they can be affected by biases toward hard fragmentation and small energy loss. Full jet reconstruction in heavy-ion collisions enables a complete study of the modification of jet structure due to energy loss, but is challenging due to the high multiplicity environment. Study of jet production and properties in d+Au and p+p collisions provides important baseline measurement for jet studies in heavy-ion collisions. We report measurements of fully reconstructed jets in p+p, d+Au and Au+Au collisions at $\sqrt{s_\mathrm{NN}} = 200 \mathrm{GeV}$ from the STAR experiment at RHIC. Measurement of initial state nuclear effects in d+Au collisions utilizing di-jet azimuthal correlations is presented together with similar measurement in p+p collisions. Inclusive jet $\pt$ spectra and fragmentation functions in p+p and central Au+Au collisions are reported, with subsequent studies of jet nuclear modification factor, jet energy profile and modifications in the fragmentation function due to jet quenching.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | Measurements of inclusive hadron suppression and di-hadron azimuthal correlations have provided important insights into jet quenching in hot QCD matter. | background 1.00 | 0.09 | 0.03 | asserted 1.00 |
| s1 | However, they do not provide access to the energy of the hard scattering and are limited in their sensitivity since they can be affected by biases toward hard fragmentation and small energy loss. | gap 0.72 | 0.05 | 0.03 | asserted 1.00 |
| s2 | Full jet reconstruction in heavy-ion collisions enables a complete study of the modification of jet structure due to energy loss, but is challenging due to the high multiplicity environment. | background 0.86 | 0.06 | 0.06 | asserted 1.00 |
| s3 | Study of jet production and properties in d+Au and p+p collisions provides important baseline measurement for jet studies in heavy-ion collisions. | background 0.98 | 0.08 | 0.05 | asserted 1.00 |
| s4 | We report measurements of fully reconstructed jets in p+p, d+Au and Au+Au collisions at $\sqrt{s_\mathrm{NN}} = 200 \mathrm{GeV}$ from the STAR experiment at RHIC. | contribution 1.00 | 0.98 | 0.25 | asserted 1.00 |
| s5 | Measurement of initial state nuclear effects in d+Au collisions utilizing di-jet azimuthal correlations is presented together with similar measurement in p+p collisions. | contribution 0.90 | 0.91 | 0.07 | asserted 0.99 |
| s6 | Inclusive jet $\pt$ spectra and fragmentation functions in p+p and central Au+Au collisions are reported, with subsequent studies of jet nuclear modification factor, jet energy profile and modifications in the fragmentation function due to jet quenching. | contribution 0.63 | 0.95 | 0.22 | asserted 1.00 |
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The paper
Original abstract
Measurements of inclusive hadron suppression and di-hadron azimuthal correlations have provided important insights into jet quenching in hot QCD matter. However, they do not provide access to the energy of the hard scattering and are limited in their sensitivity since they can be affected by biases toward hard fragmentation and small energy loss. Full jet reconstruction in heavy-ion collisions enables a complete study of the modification of jet structure due to energy loss, but is challenging due to the high multiplicity environment. Study of jet production and properties in d+Au and p+p collisions provides important baseline measurement for jet studies in heavy-ion collisions. We report measurements of fully reconstructed jets in p+p, d+Au and Au+Au collisions at $\sqrt{s_\mathrm{NN}} = 200 \mathrm{GeV}$ from the STAR experiment at RHIC. Measurement of initial state nuclear effects in d+Au collisions utilizing di-jet azimuthal correlations is presented together with similar measurement in p+p collisions. Inclusive jet $\pt$ spectra and fragmentation functions in p+p and central Au+Au collisions are reported, with subsequent studies of jet nuclear modification factor, jet energy profile and modifications in the fragmentation function due to jet quenching.
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How the literature uses it
2 arXiv papers cite this in 3 sentences
What it cites · 8 sentences without a confident label
Uses the method or tool of 2 papers
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Further corrections ($$ independent tracking efficiency, jet energy resolution, unobserved neutral energy) were applied [ref] .
Inclusive cross section and correlations of fully reconstructed jets in 200 GEV Au+Au and p+p collisions · Inclusive jet spectra · 0.84
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To select a clean di-jet sample two highest energy jets ($p_T,1 > p_T,2$) in each event were used, with $p_T,2 > 10$ [ref] .
Initial state nuclear effects for jet production measured in $\sqrt{s_\mathrm{NN}} = 200 \mathrm{GeV}$ d+Au collisions by STAR · Nuclear $$ broadening · 0.83
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