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Figure 7: caption: either write "average pT" or "<pT>" | Figure 7: caption: either write "average pT" or "<pT>" | ||
+ | |||
+ | ** Mario ** | ||
+ | |||
+ | |||
+ | Abstract: | ||
+ | as function -> as a function | ||
+ | about eta = 0 -> around eta = 0 | ||
+ | within errors -> within uncertainties | ||
+ | |||
+ | line 6: at the LHC -> of LHC | ||
+ | line 10: sizes -> size | ||
+ | line 17: is "equilibrated system" correct? Perhaps "system at equilibrium" | ||
+ | line 29: in collisions between heavy ions -> in heavy ions collisions | ||
+ | line 32: to pp and pA -> to pp or pA (unless you can exclude that you can | ||
+ | apply hydrodynamics to one and not the other) | ||
+ | line 39: origine -> origin | ||
+ | line 47: about -> around | ||
+ | line 51: ... in such an analysis -> In this analysis, ... | ||
+ | line 68: unless it is a common term in HI physics, we suggest to refer to | ||
+ | the normalization of V_n as "normalization", and not "self-normalization" | ||
+ | line 74: remove "used are" | ||
+ | line 92: o the beam -> to the beam | ||
+ | line 101: are based on -> make use of | ||
+ | line 116: remove "for the high-multiplicity event selection" (redundant) | ||
+ | Figure 1 caption: in low-multiplicity -> tracks in low-multiplicity | ||
+ | line 133: displays -> shows | ||
+ | lines 135-136 extensive feature -> structure | ||
+ | line 142: magnitude -> normalization | ||
+ | line 155: jet -> jets | ||
+ | Figure 3 caption: Fit functions by Eq. 5 -> Fit results using the Eq.5 | ||
+ | function | ||
+ | line 161 nor -> and so | ||
+ | line 169 Table. -> Table | ||
+ | line 176: is nonuniform; it is -> it not constant but | ||
+ | line 190: averaging -> the averaging | ||
+ | line 202: at a fixed pseudorapidity direction. -> in a fixed pseudorapidity | ||
+ | direction: | ||
+ | lines 211-212: by restricting one -> by restricting to one | ||
+ | line 219: signals -> signal | ||
+ | line 221: between -> among | ||
+ | line 239: is same -> is the same | ||
+ | line 241: without subtraction -> without the subtraction | ||
+ | Figure 4 caption: for p-side -> for the p-side | ||
+ | line 253: large pseudorapidity gap -> a large pseudorapidity gap | ||
+ | line 256: related to decorrelation -> connected to decorrelation | ||
+ | line 263: In the pPb -> In pPb | ||
+ | Figure 5 and 6 captions: Error bars are statistical -> Error bars indicate | ||
+ | statistical uncertainties only | ||
+ | line 276: falls more -> falls more rapidly | ||
+ | |||
+ | |||
+ | ** Marco Monteno ** | ||
+ | |||
+ | The aim of this article is a careful study of the features of the | ||
+ | long-range dihadron correlations observed in "small system", | ||
+ | as the hot matter produced in pPb collisions at the LHC. | ||
+ | .......... | ||
+ | |||
+ | A few comments on specific parts of the writeup: | ||
+ | |||
+ | - Fourier coefficients of the two-particle correlations DeltaPhi distributions | ||
+ | are used to infer the single-particle anisotropy parameters v2, v3 to | ||
+ | quantify their dependence on eta, that can be compared to the predictions | ||
+ | of hydro and CGC models. | ||
+ | That is based on a factorization assumption: how much is it justified? | ||
+ | |||
+ | - The description of the systematic uncertainties affecting the measurement | ||
+ | of the Fourier coefficient V_n (lines 208-213) is clear, but the sentence is | ||
+ | somehow "heavy", and it could be convenient to slightly rephrase it. | ||
+ | |||
+ | - Another "critical point", where the non-expert reader may have some difficulties, | ||
+ | is the second paragraph of the section "Results", especially when introducing the | ||
+ | Fig. 5, where results are shown with/without subtraction of low-multiplicity data, | ||
+ | arising some confusion (also the phrasing of caption of fig.5, with curves and symbols, | ||
+ | is quite heavy and this does not help). | ||
+ | |||
+ | - It is not well explained (L38 and L253) how a large eta gap may arise in presence | ||
+ | of fluctuating initial conditions in a small system (pA), thus producing a | ||
+ | decorrelation. | ||
+ | How this decorrelation will manifest itself? | ||
+ | |||
+ | However, the obtained results are interesting, the analysis methods are thorougly | ||
+ | described, and overall the paper is very well written. | ||
+ | |||
+ | |||
+ | Finally, we conclude our review by indicating the following typos in the text: | ||
+ | |||
+ | |||
+ | ABSTRACT-LAST LINE pseudorapity → pseudorapidity | ||
+ | |||
+ | L9 at RHIC and the LHC → at the RHIC and the LHC | ||
+ | |||
+ | L39 origine → origin | ||
+ | |||
+ | L40 decorreclation → decorrelation | ||
+ | |||
+ | L60 approriate → appropriate | ||
+ | |||
+ | L74-75 The "data used" are from pPb....... by the CMS detector in 2013 "are used" | ||
+ | (remove the second "are used") | ||
+ | |||
+ | L92 o the beam → of the beam | ||
+ | |||
+ | L127-8 The "correction factor" at L127 is then quoted as "efficiency correction" | ||
+ | at L128. I would prefer the first naming. | ||
+ | |||
+ | Eq.4 the factor E should be replaced by \epsilon (the rec. efficiency quoted | ||
+ | at L129) | ||
+ | |||
+ | L131 A citation is done for GEANT. No citation for PYTHIA? | ||
+ | Maybe you should ref to: JHEP 0605 (2006) 026 | ||
+ | |||
+ | FIG.2 !!! Inconsistency between figure legenda and figure caption! | ||
+ | Red dots correspond to distributions of associated yields after | ||
+ | background subtraction for low-multiplicity pPb collisions | ||
+ | (according to second line of the figure caption), whereas the legenda | ||
+ | in the right-upper panel says the opposite! | ||
+ | The figure caption is wrong and must be corrected. | ||
+ | |||
+ | L144 radian → radians | ||
+ | |||
+ | L153 remove the misleading formula of the differential yield, since you are quoting | ||
+ | here the near-side averaged (integrated of |DeltaPhi|<pi/3) correlated yield, shown | ||
+ | in fig. 3 | ||
+ | |||
+ | L224 propopagated → propagated | ||
+ | |||
+ | L237 Eq. 10 → Eq. 9 | ||
+ | |||
+ | FIG.5 (end of the 4th line of the figure caption): and → the | ||
+ | |||
+ | L277 why "perhaps less"? To attenuate, rather use: "slightly less" | ||
+ | |||
+ | L282 Two-particle Correlations → correlations | ||
+ | |||
+ | L348 Central d+ Collisions → Central d+Au Collisions | ||
+ | |||
+ | L353 doi:doi → doi | ||
+ | |||
+ | L389 (end of line): PHYS.REV. C I suppose is a "submitted to" . No arXiv ref? | ||