Enhanced Production of Direct Photons in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>Au</mml:mi><mml:mo>+</mml:mo><mml:mi>Au</mml:mi></mml:math>Collisions at<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msqrt><mml:msub><mml:mi>s</mml:mi><mml:mrow><mml:mi>N</mml:mi><mml:mi>N</mml:mi></mml:mrow></mml:msub></mml:msqrt><mml:mo>=</mml:mo><mml:mn>200</mml:mn><mml:mtext> </mml:mtext><mml:mtext> </mml:mtext><mml:mi>GeV</mml:mi></mml:math>and Imp

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doi:10.1103/physrevlett.104.132301

Cited by 339 publications

(115 citation statements)

References 19 publications

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“…Furthermore, because the dispersion relation of the current model does not cross the light cone, we would not expect to observe a peak in the photon production due to J=c . This is then consistent with the recent experimental report [40] on photon production with Au-Au collision at ffiffiffiffiffiffiffiffi s NN p ¼ 200 GeV by the PHENIX collaboration. This suggests that in the future holographic constructions, certain constraints from experiment on limiting velocity should be taken into account.…”

Section: Limiting Velocitysupporting

confidence: 92%

Charmonium moving through a strongly coupled QCD plasma: A holographic perspective

Hohler

Yin

2013

Phys. Rev. D

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The properties of charmonium in a strongly coupled QCD-like plasma at finite momentum are studied. This is based upon a ''bottom-up'' holographic model which has been previously shown to reproduce charmonium phenomenology in vacuum and give a reasonable dissociation temperature at zero momentum. The finite momentum spectral functions are presented and found to be consistent with recent lattice results. The in-medium dispersion relation and momentum dependence of the decay width of J=c have also been investigated. We find no signature of a subluminal limiting velocity from the dispersion relation, while we note that the dissociation temperature decreases with momentum faster than previous holographic models. Based upon the dissociation temperature, a maximum momentum for J=c in-medium is identified and its phenomenological implications on J=c suppression are discussed.

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Section: Limiting Velocitysupporting

confidence: 92%

Charmonium moving through a strongly coupled QCD plasma: A holographic perspective

Hohler

Yin

2013

Phys. Rev. D

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“…These findings are derived from the observation of elliptic flow [12][13][14][15][16], electromagnetic spectra [17,18], quarkonium melting [19][20][21][22][23][24][25][26], enhanced strangeness production [27][28][29][30][31][32] and jet quenching [33][34][35][36][37][38][39][40][41][42][43][44]; for a very recent review, see ref. [45].…”

Section: Introductionmentioning

confidence: 99%

Exceptional thermodynamics: the equation of state of G2 gauge theory

Bruno

Caselle

Panero

et al. 2015

J. High Energ. Phys.

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We present a lattice study of the equation of state in Yang-Mills theory based on the exceptional G 2 gauge group. As is well-known, at zero temperature this theory shares many qualitative features with real-world QCD, including the absence of colored states in the spectrum and dynamical string breaking at large distances. In agreement with previous works, we show that at finite temperature this theory features a first-order deconfining phase transition, whose nature can be studied by a semi-classical computation. We also show that the equilibrium thermodynamic observables in the deconfined phase bear striking quantitative similarities with those found in SU(N ) gauge theories: in particular, these quantities exhibit nearly perfect proportionality to the number of gluon degrees of freedom, and the trace anomaly reveals a characteristic quadratic dependence on the temperature, also observed in SU(N ) Yang-Mills theories (both in four and in three spacetime dimensions). We compare our lattice data with analytical predictions from effective models, and discuss their implications for the deconfinement mechanism and high-temperature properties of strongly interacting, non-supersymmetric gauge theories. Our results give strong evidence for the conjecture that the thermal deconfining transition is governed by a universal mechanism, common to all simple gauge groups.

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“…Some of the differences can be explained by a differing case mix and definition of diarrhea. The patients in the present study had several risk factors for diarrhea which were likely to contribute to the observed high diarrhea incidence: use of a hyperosmolar formula in both study groups [22]; a relatively high administration rate of the enteral nutrition [23]; the presence of hypoalbuminemia in all study patients [24, 25]; and frequent use of antibiotics in 77% of patients [26, 27]. …”

Section: Discussionmentioning

confidence: 99%

A randomized controlled pilot study to evaluate the effect of an enteral formulation designed to improve gastrointestinal tolerance in the critically ill patient—the SPIRIT trial

et al. 2017

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BackgroundDiarrhea is frequent in patients in intensive care units (ICU) and is associated with discomfort and complications and may increase the length of stay and nursing workload.MethodsThis was a prospective, double-blind, randomized, controlled single-center pilot study to assess the incidence and frequency of diarrhea and the respective effects of a modified enteral diet (intervention: Peptamen® AF, rich in proteins, medium chain triglycerides and fish oil) compared to a standard diet (control: Isosource® Energy) in 90 randomized adult patients (intervention, n = 46; control, n = 44) with an ICU stay ≥5 days and tube feeding ≥3 days. Tube feeding was initiated within 72 h of ICU admission and continued up to 10 days. The caloric goal was adjusted to needs by indirect calorimetry. Gastrointestinal function, nutritional intake, and nursing workload were recorded. Follow-up was until 28 days after randomization.ResultsMedian age was 63.3 (interquartile range (IQR) 51.0–73.2) years and Simplified Acute Physiology Score (SAPS) II was 61.0 (IQR 47.8–74). Time to reach caloric goal (intervention: 2.2 (0.8–3.7) days (median, IQR); control: 2.0 (1.3–2.7) days; p = 0.16), length of time on study nutrition (intervention: 5.0 (3.6–6.4) days; control: 7.0 (5.3–8.7) days; p = 0.26), and calorie intake (intervention: 18.0 (12.5–20.9) kcal/kg/day; control 19.7 (17.3–23.1) kcal/kg/day; p = 0.08) did not differ between groups, with a higher protein intake for Peptamen® group (1.13 (0.78–1.31) g/kg/day vs 0.80 (0.70–0.94); p < 0.001). No difference in diarrhea incidence (intervention group: 29 (64%); control group: 31 (70%); p = 0.652), use of fecal collectors (23 (51%) vs. 24 (55%); p = 0.83), or diarrhea-free days (161 (64%) vs 196 (68%); p = 0.65) was found. Nursing workload and cost for diarrhea care were not different between the groups. In a post-hoc analysis, adjusted for treatment group, age, sex, and SAPS II score, diarrhea was associated with length of mechanical ventilation (9.5 (6.0–13.1) vs. 3.9 (3.2–4.6) days; p = 0.006) and length of ICU stay (11.0 (8.9–13.1) vs. 5.0 (3.8–6.2) days; p = 0.001).ConclusionsIn this pilot study, we found a high incidence of diarrhea, which was not attenuated by Peptamen® AF. Patients with diarrhea stayed longer in the ICU.Trial registrationClinicalTrials.gov identifier, NCT01581957. Registered on 18 April 2012.Electronic supplementary materialThe online version of this article (doi:10.1186/s13054-017-1730-1) contains supplementary material, which is available to authorized users.

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Enhanced Production of Direct Photons inAu+AuCollisions atsNN=200 GeVand Imp

Cited by 339 publications

References 19 publications

Charmonium moving through a strongly coupled QCD plasma: A holographic perspective

Charmonium moving through a strongly coupled QCD plasma: A holographic perspective

Exceptional thermodynamics: the equation of state of G2 gauge theory

A randomized controlled pilot study to evaluate the effect of an enteral formulation designed to improve gastrointestinal tolerance in the critically ill patient—the SPIRIT trial

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