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Journal articles on the topic 'SCET'

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Published: 9 March 2023

Last updated: 10 March 2023

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1

Lee, Christopher. "The Evolution of Soft Collinear Effective Theory." International Journal of Modern Physics: Conference Series 37 (January 2015): 1560045. http://dx.doi.org/10.1142/s2010194515600459.

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Soft Collinear Effective Theory (SCET) is an effective field theory of Quantum Chromodynamics (QCD) for processes where there are energetic, nearly lightlike degrees of freedom interacting with one another via soft radiation. SCET has found many applications in high-energy and nuclear physics, especially in recent years the physics of hadronic jets in e+e-, lepton-hadron, hadron-hadron, and heavy-ion collisions. SCET can be used to factorize multi-scale cross sections in these processes into single-scale hard, collinear, and soft functions, and to evolve these through the renormalization group to resum large logarithms of ratios of the scales that appear in the QCD perturbative expansion, as well as to study properties of nonperturbative effects. We overview the elementary concepts of SCET and describe how they can be applied in high-energy and nuclear physics.

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2

Bauer, Christian W., and Dan Pirjol. "Graphical amplitudes from SCET." Physics Letters B 604, no. 3-4 (December 2004): 183–91. http://dx.doi.org/10.1016/j.physletb.2004.10.047.

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3

Melis, Stefano, Umberto D'Alesio, Miguel G. Echevarria, and Ignazio Scimemi. "Phenomenology of TMDs Using SCET." International Journal of Modern Physics: Conference Series 37 (January 2015): 1560026. http://dx.doi.org/10.1142/s2010194515600265.

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We present a global fit of current available data for Drell-Yan and Z-boson production using the Transverse Momentum Dependent evolution formalism of Refs. [1–4]. We performed our analysis including perturbative calculable contributions up to next-to-next-to-leading-logarithmic accuracy. We took into account non-perturbative corrections both to the intrinsic nucleon structure and to the evolution kernel.

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4

Inglis-Whalen, Matthew, Michael Luke, and Aris Spourdalakis. "Rapidity logarithms in SCET without modes." Nuclear Physics A 1014 (October 2021): 122260. http://dx.doi.org/10.1016/j.nuclphysa.2021.122260.

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5

Liu, Xiaohui. "SCET approach to top quark decay." Physics Letters B 699, no. 1-2 (May 2011): 87–92. http://dx.doi.org/10.1016/j.physletb.2011.03.055.

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6

Leibovich, Adam K., Zoltan Ligeti, and Mark B. Wise. "Comment on quark masses in SCET." Physics Letters B 564, no. 3-4 (July 2003): 231–34. http://dx.doi.org/10.1016/s0370-2693(03)00565-3.

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7

Barooshian, Vahan D., and Sklovskij Viktor B. "Gamburgskij scet: stat'i--vospominanija--esse 1914-1933." Slavic and East European Journal 35, no. 4 (1991): 580. http://dx.doi.org/10.2307/309258.

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8

Hermayawati, Hermayawati. "Cultural Language Learning Approach (CLLA): An Approach for Learners’ Integrated Language Use Acculturation." International Journal of Learning, Teaching and Educational Research 20, no. 2 (February 28, 2021): 104–20. http://dx.doi.org/10.26803/ijlter.20.2.6.

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The current development of English Language Teaching (ELT) is gradually shifting towards learning language skills in an integrated manner that do not use separated skills. It makes teachers look for the right approach to teach the desegregated four language skills. Accordingly, this project investigated the Students of Candidate English Teachers (SCET) learning process using the Cultural Language Learning Approach (CLLA) for acculturating their Integrated Language Learning (ILL) in use. It was an applied study involving 100 SCET consisting of 60 females and 40 males aged between 20-22 years. They were intervened purposely in the learning process, to be well-acculturated to guard their native cultures. Quasi-semester meetings were carried out online. A closed-questionnaire and in-depth observation were the data gathering tools employed in this study. The results were analyzed descriptively using learners’ engagement factors inspired by Lee, Song and Hong’s model and Sheppard’s scoring rubrics. The results revealed that 68.31 % of learners were engaged during their ILL process. Besides, in-depth observation achieved the same average score, namely 77 in each quasi-semester. Such scores were respectively categorized both in their learning engagement and achievement. Thus, CLLA can be used as an alternative approach to familiarize SCET with integrated language use in acculturating their ILL process. This study recommended further research on learners' ILL acculturation through different native cultures acculturation.

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9

Ali, A., B. D. Pecjak, and C. Greub. "Towards B→Vγ decays at NNLO in SCET." European Physical Journal C 55, no. 4 (May 20, 2008): 577–95. http://dx.doi.org/10.1140/epjc/s10052-008-0623-5.

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10

Fazio, Fulvia De, Thorsten Feldmann, and Tobias Hurth. "SCET sum rules forB→PandB→Vtransition form factors." Journal of High Energy Physics 2008, no. 02 (February 12, 2008): 031. http://dx.doi.org/10.1088/1126-6708/2008/02/031.

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11

De Fazio, F., T. Feldmann, and T. Hurth. "Light-cone sum rules: A SCET-based formulation." Nuclear Physics B - Proceedings Supplements 164 (February 2007): 193–96. http://dx.doi.org/10.1016/j.nuclphysbps.2006.11.057.

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12

Kivel, Nikolay. "Wide Angle Compton Scattering within the SCET factorization Framework." EPJ Web of Conferences 112 (2016): 01011. http://dx.doi.org/10.1051/epjconf/201611201011.

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13

D'ERAMO, FRANCESCO, HONG LIU, and KRISHNA RAJAGOPAL. "JET QUENCHING PARAMETER VIA SOFT COLLINEAR EFFECTIVE THEORY (SCET)." International Journal of Modern Physics E 20, no. 07 (July 2011): 1610–15. http://dx.doi.org/10.1142/s0218301311019969.

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We analyze the transverse momentum broadening in the absence of radiation of an energetic parton propagating through quark-gluon plasma via Soft Collinear Effective Theory (SCET). We show that the probability for picking up transverse momentum k⊥ is given by the Fourier transform of the expectation value of two transversely separated light-like path-ordered Wilson lines. The subtleties about the ordering of operators do not change the [Formula: see text] value for the strongly coupled plasma of [Formula: see text] SYM theory.

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14

Wang, Wei. "Factorization of heavy-to-light baryonic transitions in SCET." Physics Letters B 708, no. 1-2 (February 2012): 119–26. http://dx.doi.org/10.1016/j.physletb.2012.01.036.

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15

Beneke, M., Y. Kiyo, and D. s. Yang. "Loop corrections to subleading heavy quark currents in SCET." Nuclear Physics B 692, no. 1-2 (August 2004): 232–48. http://dx.doi.org/10.1016/j.nuclphysb.2004.05.018.

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16

Lin, Zhi-Hai, and Guohuai Zhu. "Leading power SCET analysis of e+e−→J/ψgg." Physics Letters B 597, no. 3-4 (September 2004): 382–90. http://dx.doi.org/10.1016/j.physletb.2004.07.037.

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17

Grinstein, Benjamín, and Dan Pirjol. "Chiral symmetry and exclusive B decays in the SCET." Physics Letters B 615, no. 3-4 (June 2005): 213–20. http://dx.doi.org/10.1016/j.physletb.2005.04.024.

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18

Chay, Junegone, Chul Kim, and Adam K. Leibovich. "SCET sum rules for heavy-to-light form factors." Physics Letters B 628, no. 1-2 (November 2005): 57–65. http://dx.doi.org/10.1016/j.physletb.2005.09.025.

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19

DʼEramo, Francesco, Hong Liu, and Krishna Rajagopal. "Jet quenching parameter via soft collinear effective theory (SCET)." Nuclear Physics A 855, no. 1 (April 2011): 457–60. http://dx.doi.org/10.1016/j.nuclphysa.2011.02.105.

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20

Liu, Xiaohui. "Exclusive J/ψ production from e + e − annihilation in SCET." European Physical Journal C 68, no. 1-2 (May 12, 2010): 153–58. http://dx.doi.org/10.1140/epjc/s10052-010-1331-5.

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21

Vitev, Ivan. "SCET for jet physics in the vacuum and the medium." Nuclear and Particle Physics Proceedings 289-290 (August 2017): 59–64. http://dx.doi.org/10.1016/j.nuclphysbps.2017.05.012.

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22

Bonvini, Marco, Stefano Forte, Margherita Ghezzi, and Giovanni Ridolfi. "The scale of soft resummation in SCET vs perturbative QCD." Nuclear Physics B - Proceedings Supplements 241-242 (August 2013): 121–26. http://dx.doi.org/10.1016/j.nuclphysbps.2013.06.020.

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23

Bonvini, Marco, Stefano Forte, Margherita Ghezzi, and Giovanni Ridolfi. "Threshold resummation in SCET vs. perturbative QCD: An analytic comparison." Nuclear Physics B 861, no. 3 (August 2012): 337–60. http://dx.doi.org/10.1016/j.nuclphysb.2012.04.010.

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24

Hornig, Andrew, Yiannis Makris, and Thomas Mehen. "Jet shapes in dijet events at the LHC in SCET." Journal of High Energy Physics 2016, no. 4 (April 2016): 1–41. http://dx.doi.org/10.1007/jhep04(2016)097.

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25

Faisel, Gaber, David Delepine, and M. Shalaby. "Supersymmetric contribution to B→ρK and B→πK⁎ decays in SCET." Physics Letters B 705, no. 4 (November 2011): 361–68. http://dx.doi.org/10.1016/j.physletb.2011.10.041.

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26

Hill, Richard J., Thomas Becher, Seung J. Lee, and Matthias Neubert. "Sudakov Resummation for Subleading SCET Currents and Heavy-to-Light Form Factors." Journal of High Energy Physics 2004, no. 07 (August 3, 2004): 081. http://dx.doi.org/10.1088/1126-6708/2004/07/081.

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27

Bell, G., M. Beneke, T. Huber, and Xin-Qiang Li. "Heavy-to-light currents at NNLO in SCET and semi-inclusive decay." Nuclear Physics B 843, no. 1 (February 2011): 143–76. http://dx.doi.org/10.1016/j.nuclphysb.2010.09.022.

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28

Abdullah Al-Kubaisy, Abdullah Kamel, and Huriya Hussein AlJuboori. "Evaluation of Inhibition Efficiency of Some Bacteria Isolated from Greenhouse Soils on the Growth of the Pathogenic Fungus Sclerotinia sclerotiorum that Causes White Rot Disease on Vegetables in the Laboratory." Arab Journal for Plant Protection 40, no. 2 (2022): 140–47. http://dx.doi.org/10.22268/ajpp-40.2.140147.

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Al-Kubaisy, A.K.A. and H.H. Al-Juboor. 2022. Evaluation of Inhibition Efficiency of Some Bacteria Isolated from Greenhouse Soils on the Growth of the Pathogenic Fungus Sclerotinia sclerotiorum that Causes White Rot Disease on Vegetables in the Laboratory. Arab Journal of Plant Protection, 40(2): 140-147. https://doi.org/10.22268/AJPP-40.2.140147 This study aimed to isolate beneficial bacteria from the soil of plastic houses planted with eggplant and cucumber at different locations of Baghdad Governorate and characterize them molecularly in addition to determining their antagonistic ability to inhibit six isolates of the pathogenic fungus Sclerotinia sclerotiorum, the causal agent of white rot disease. The isolation results showed that 18 different bacterial isolates were obtained from several fields in Baghdad governorate. Bacterial isolates showed antagonistic ability towards six isolates of the pathogenic fungus S. sclerotiorum (ScE1, ScE2, ScE3, ScE4, ScC1 and ScC2), and the inhibition rate ranged between 84.25 and 93.75%. The two bacterial isolates BE1 and BE6 excelled in plastic houses grown with eggplant plants, and the inhibition rate of the fungal pathogen reached 93.75%. Whereas, the bacterial isolate BC9 isolated from soils planted with cucumber plants achieved the highest inhibition rate of all fungal isolates, except isolate ScE1, which reached 84.25%. Bacterial isolates were identified molecularly and they were registered in the GenBank under accession numbers MZ436922, MZ436923, MZ436921 and MZ436920 for the isolates of Alcaligenes faecalis, Bacillus amyloliquefaciens, Bacillus subtilis and Pseudomonas aeruginosa, respectively. Keywords: Sclerotinia sclerotiorum, biological control, molecular identification, eggplant

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29

Ferreira, Danielle Caroline, and Faiçal Massad. "Evaluation of stress history and undrained shear strength of three marine clays using semi-empirical methods based on Piezocone Test." Soils and Rocks 45, no. 2 (March 9, 2022): 1–14. http://dx.doi.org/10.28927/sr.2022.075221.

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The paper presents a comparative study between semi-empirical methods for the estimation of pre-consolidation pressure and undrained shear strength from Piezocone (CPTu) data. The first method, proposed by Massad, was developed from observing the variation of these parameters with depth; the second method, proposed by Mayne, was developed from simplifications and relationships between the Spherical Cavity Expansion Theory (SCET) and the Critical State Theory; the third method was proposed by Mayne, which considers the variations due to soil type from the CPT Index to estimate the pre-consolidation pressure. The methods were validated based on their applications to the marine clay from Santos Coastal Plain, Brazil, Bothkennar clay from Scotland, and Torp Clay from Sweden. It is intended to verify if the results are consistent with each other, with the stress history of these soils and with the available test results. The application of the Massad’s method led to results close to the available reference values. The results of the Mayne’s method based on SCET showed great variability in behavior comparing to the test data depending on the case study. By the Mayne’s method based on CPT Index values, the calculated pre-consolidation pressures were slightly higher than the values of the available test data. The variations in the results highlighted the importance of validating estimates based on semi-empirical methods through specific tests and the knowledge of geological history contributes to predicting the behavior of clays, since they showed good agreement with the available data from oedometer tests.

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30

Kang, Zhong-Bo. "Recent progress on jet substructure theory." EPJ Web of Conferences 235 (2020): 05001. http://dx.doi.org/10.1051/epjconf/202023505001.

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In these proceedings, we review recent theoretical progress on jet substructure at the colliders. Focusing on two observables – jet mass and groomed jet radius, we perform theoretical computations for jets measured in the single inclusive jet production in proton-proton collisions, pp → jet + X. We consider both standard ungroomed jets as well as soft-drop groomed jets. Within the Soft Collinear Effective Theory (SCET), we establish QCD factorization theorems which allow for the joint resummation of several classes of logarithmic corrections to all orders in the strong coupling constant. We present numerical results and compare with the available data from the LHC.

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31

Becher, Thomas, and Richard J. Hill. "Loop Corrections to Heavy-to-Light Form Factors and Evanescent Operators in SCET." Journal of High Energy Physics 2004, no. 10 (October 23, 2004): 055. http://dx.doi.org/10.1088/1126-6708/2004/10/055.

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32

Grinstein, Benjamín. "Shape and soft functions of HQET and SCET in the 't Hooft model." Nuclear Physics B 755, no. 1-3 (October 2006): 199–220. http://dx.doi.org/10.1016/j.nuclphysb.2006.08.006.

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33

Hartmann, M., J. Guttmann, B. Müller, T. Hallmann, and K. Geiger. "Reduction of the bacterial load by the silver-coated endotracheal tube (SCET), a laboratory investigation." Technology and Health Care 7, no. 5 (November 1, 1999): 359–70. http://dx.doi.org/10.3233/thc-1999-7504.

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34

Ruibal, Monica, Rod Peakall, Andrew Claridge, and Karen Firestone. "Field-based evaluation of scat DNA methods to estimate population abundance of the spotted-tailed quoll (Dasyurus maculatus), a rare Australian marsupial." Wildlife Research 36, no. 8 (2009): 721. http://dx.doi.org/10.1071/wr09086.

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Context. DNA extracted non-invasively from remotely collected scat samples has been used successfully to enumerate populations of a few endangered mammal species. However, scat DNA surveys relying on scent-marking behaviours need to identify if age- or sex-specific variations or seasonal changes in scat scent-marking patterns affect population estimates. Furthermore, owing to the low quantity and quality of scat DNA, a thorough assessment of the technique is needed when it is applied to different species to ensure that individual identification is reliable. Aims. In the current study, microsatellite genetic profiles derived from 208 remotely collected scats of the spotted-tailed quoll (Dasyurus maculatus), a rare Australian marsupial carnivore, were compared with DNA profiles from tissue of 22 live-trapped individuals from the same study area to critically assess the reliability of the non-invasive method to estimate population abundance. Methods. Scat samples were collected at scent-marking sites over 4 consecutive months (April–July 2005), 7 weeks of which overlapped with the trapping program to allow direct comparisons of population estimates. Key results. Combining a multiple-tubes approach with error checking analyses provided reliable genetic tags and resulted in the detection of the majority of the live-trapped population (18 of 22 individuals). Ten additional individuals not known from trapping were also observed from scat DNA. A longer-term sampling regime was required for scats than for trapping to allow direct detection of a large proportion of the population and to provide a comparable population estimate. Critically, the 4-month scat collection period highlighted the importance of performing scat surveys during the mating season when scat scent marking is more frequent, and to avoid sex and age biases in scat marking patterns. Implications. Non-invasive scat DNA sampling methods that rely on scent-marking behaviours need to consider the duration of the sampling period and temporal differences in behaviours by the sexes and age groups to ensure that meaningful population estimates are achieved.

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35

SU, FANG, and YA-DONG YANG. "CONSTRAINTS ON B→π, K TRANSITION FORM-FACTORS FROM EXCLUSIVE SEMILEPTONIC D-MESON DECAYS." International Journal of Modern Physics A 26, no. 19 (July 30, 2011): 3185–99. http://dx.doi.org/10.1142/s0217751x11053791.

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According to the heavy-quark flavor symmetry, the B→π, K transition form-factors could be related to the corresponding ones of D-meson decays near the zero recoil point. With the recent precisely measured exclusive semileptonic decays D →πℓν and D→K ℓν, we perform a phenomenological study of B →π, K transition form-factors based on this symmetry. Using BK, BZ and Series Expansion parametrizations of the form-factor slope, we extrapolate B →π, K transition form-factors from [Formula: see text] to q2 = 0. It is found that, although being consistent with each other within error bars, the central values of our results for B →π, K form-factors at q2 = 0, [Formula: see text], are smaller than predictions of the QCD light-cone sum rules, but are in good agreements with the ones extracted from hadronic B-meson decays within the SCET framework. Moreover, smaller form-factors are also favored by the QCD factorization approach for hadronic B-meson decays.

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36

Chien, Yang-Ting. "Resummation of Jet Shapes and Extracting Properties of the Quark-Gluon Plasma." International Journal of Modern Physics: Conference Series 37 (January 2015): 1560047. http://dx.doi.org/10.1142/s2010194515600472.

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Understanding the properties of the quark-gluon plasma (QGP) that is produced in ultra-relativistic nucleus-nucleus collisions has been one of the top priorities of the heavy ion program at the LHC. Energetic jets are produced and subsequently quenched in the collisions. Such jet quenching phenomena provide promising tools to probe the medium properties by studying the modification of jets due to the medium interactions. Significant modifications of jet shapes have been measured. In this talk we focus on the calculation of jet shapes in both proton-proton and lead-lead collisions using soft-collinear effective theory (SCET), with Glauber gluon interactions in the medium. Large logarithms in jet shapes are resummed at next-to-leading logarithmic (NLL) accuracy by the renormalization-group evolution between hierarchical jet scales. The medium interactions contribute as power corrections, and we calculate the modification of jet shapes at leading order in opacity with the static QGP model. Preliminary results are presented with good agreement with the recent CMS jet shape measurements.

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37

Wikenros, Camilla, Dries P. J. Kuijper, Robert Behnke, and Krzysztof Schmidt. "Behavioural responses of ungulates to indirect cues of an ambush predator." Behaviour 152, no. 7-8 (2015): 1019–40. http://dx.doi.org/10.1163/1568539x-00003266.

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Ambush predators provide more persistent cues of predation risk compared to coursing predators and are predicted to exert stronger effects on behaviour of their prey. We studied anti-predator responses of ungulates by means of camera traps to an olfactory cue (fresh scat) of an ambush predator, the Eurasian lynx (Lynx lynx). Roe deer (Capreolus capreolus) and red deer (Cervus elaphus) both important prey species for lynx were not more vigilant when exposed to lynx scent, but reduced their visitation duration. Our results contrast with previously reported responses of red deer to scent from a coursing predator, the wolf (Canis lupus), where only vigilance and foraging behaviour but not visitation duration changed in response to wolf scat. This indicates that ungulates are able to recognize the risk of predation from predators with differing hunting modes based on olfactory cues and adjust their anti-predatory behaviour.

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38

Sweet, Christopher R., Santanu Chatterjee, Zhiliang Xu, Katharine Bisordi, Elliot D. Rosen, and Mark Alber. "Modelling platelet–blood flow interaction using the subcellular element Langevin method." Journal of The Royal Society Interface 8, no. 65 (May 18, 2011): 1760–71. http://dx.doi.org/10.1098/rsif.2011.0180.

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In this paper, a new three-dimensional modelling approach is described for studying fluid–viscoelastic cell interaction, the subcellular element Langevin (SCEL) method, with cells modelled by subcellular elements (SCEs) and SCE cells coupled with fluid flow and substrate models by using the Langevin equation. It is demonstrated that: (i) the new method is computationally efficient, scaling as 𝒪( N ) for N SCEs; (ii) cell geometry, stiffness and adhesivity can be modelled by directly relating parameters to experimentally measured values; (iii) modelling the fluid–platelet interface as a surface leads to a very good correlation with experimentally observed platelet flow interactions. Using this method, the three-dimensional motion of a viscoelastic platelet in a shear blood flow was simulated and compared with experiments on tracking platelets in a blood chamber. It is shown that the complex platelet-flipping dynamics under linear shear flows can be accurately recovered with the SCEL model when compared with the experiments. All experimental details and electronic supplementary material are archived at http://biomath.math.nd.edu/scelsupplementaryinformation/.

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39

Sharma, Akshay, Madhumeet Singh, Pravesh Kumar, Surender Kumar, and Rakesh Thakur. "POST-PARTUM SUB-CLINICAL ENDOMETRITIS- ALTERATION IN UTERINE HAEMODYNAMICS, INFLAMMATORY MARKERS ON TREATMENT WITH MODIFIED ESTRUS SYNCHRONIZATION PROTOCOLS IN DAIRY COWS." SPERMOVA 11, no. 2 (December 31, 2021): 124–31. http://dx.doi.org/10.18548/aspe/0009.17.

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Forty-one dairy cows (n=41) were enrolled to envisage the changes in uterine haemodynamics during sub-clinical endometritis (SCE) and its treatment with modified estrus synchronization protocols at 8 weeks post-partum. Trans-rectal Doppler sonography of both the middle uterine arteries (MUAs) was carried out for assessment of uterine perfusion whereas serum inflammatory markers i.e. IL-6 and C-RP were measured at 8 weeks post-partum and estrus (induced or spontaneous). Modified estrus synchronization protocols (MG6G and MG6GP) were used to adjudge their efficacy in post-partum dairy cows diagnosed with SCE and reproductive parameters were recorded. As a part of result, Doppler indices of both the MUAs at estrus i.e. TAMEAN, TAMAX, Blood flow volume-TAMEAN and TAMAX and diameter of MUA, were significantly lower (P<0.05) after application of MG6G and MG6GP protocols in SCEP as compared to SCEP control cows. Similarly, the IL-6, C-RP concentrations and PMNCs proportion (%) were significantly higher (P<0.05) in SCEP control as compared to cows treated with MG6G and MG6GP protocols. Moreover, on the day of estrus, the uterine haemodynamics, concentration of serum inflammatory markers and PMNCs proportion (%) in treated cows was at par with SCE negative control (SCEN) cows. In terms of reproductive performance, days open were recorded to be significantly lower (P<0.01) in treated and SCEN group as compared to SCEP control cows. In conclusion, sub-clinical endometritis led higher uterine perfusion, release of proinflammatory cytokines and PMNCs proportion which happened to plummet the post-partum reproductive performance was successfully managed with modified estrus synchronization protocols.

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40

Ruibal, Monica, Rod Peakall, and Andrew Claridge. "Socio-seasonal changes in scent-marking habits in the carnivorous marsupial Dasyurus maculatus at communal latrines." Australian Journal of Zoology 58, no. 5 (2010): 317. http://dx.doi.org/10.1071/zo10040.

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Scat DNA analyses and monthly monitoring were used to elucidate patterns of latrine use in a free-ranging population of a rare Australian marsupial carnivore, the spotted-tailed quoll (Dasyurus maculatus) Kerr. In all, 132 latrines were identified at large complex outcrops and on bedrock in drainage lines, creeks and rivers at a single woodland site in south-eastern mainland Australia. Annual cyclic variation in scat deposition was found over the two years that latrines were monitored. Peaks in scat deposition on latrines coincided with seasonal social behaviours and differed between sites on outcrops and sites along drainage lines. A marked increase in scat deposition on latrines in drainage lines was recorded during the mating season and at outcrop latrines when females were nursing young. Genetic analyses of scats collected over one breeding season revealed that multiple individuals of both sexes defaecated at latrines. The communal use of latrines during the mating season along with the seasonal patterns of scat deposition demonstrates that latrines are important scent-marking sites that facilitate social communication among individuals of this solitary-living species. The collective evidence indicates that latrines play a major role in aiding reproduction and interindividual spacing.

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41

Wasser, Samuel K., Heath Smith, Lindsay Madden, Nathaniel Marks, and Carly Vynne. "Scent-Matching Dogs Determine Number of Unique Individuals From Scat." Journal of Wildlife Management 73, no. 7 (September 2009): 1233–40. http://dx.doi.org/10.2193/2008-530.

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42

Suárez-Tangil, Bruno D., and Alejandro Rodríguez. "Estimates of Species Richness and Composition Depend on Detection Method in Assemblages of Terrestrial Mammals." Animals 11, no. 1 (January 14, 2021): 186. http://dx.doi.org/10.3390/ani11010186.

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Detecting rapid changes in mammal composition at large spatial scales requires efficient detection methods. Many studies estimate species composition with a single survey method without asking whether that particular method optimises detection for all occurring species and yields reliable community-level indices. We explore the implications of between-method differences in efficiency, consistency, and sampling effort for the basic characterisation of assemblages of medium to large mammals in a region with three contrasted Mediterranean landscapes. We assessed differences between camera traps, scent stations, scat surveys, and track surveys. Using track surveys, we detected all species present in the regional pool (13) and obtained the most accurate description of local species richness and composition with the lowest sampling effort (16 sampling units and 2 survey sessions at most). Had we chosen camera traps, scent stations, or scat surveys as the only survey method, we would have underestimated species richness (9, 11, and 12 species, respectively) and misrepresented species composition in varying degrees. Preliminary studies of method performance inform whether single or multiple survey methods are needed and eventually which single method might be most appropriate. Without such a formal assessment current practices may produce unreliable and incomplete species inventories, ultimately leading to incorrect conclusions about the impact of human activity on mammal communities.

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Alam, MS, MA Rahaman, RA Begum, and RM Shahjahan. "Non-invasive DNA extraction for molecular identification of royal Bengal tiger Panthera tigris tigris." Dhaka University Journal of Biological Sciences 30, no. 2 (July 9, 2021): 325–30. http://dx.doi.org/10.3329/dujbs.v30i2.54657.

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The flagship animal species of Sundarbans, the Royal Bengal tiger (Panthera tigris tigris) is under threat of extinction. Its natural population is declining day by day. So, to avoid killing and harming the animal, the use of non-invasive samples such as scat, hair, or scent is preferred for DNA extraction and subsequent genotyping of tiger species. DNA has been extracted from scat samples of the Bengal tiger in the present study, and a fragment of the cytochrome b gene has been sequenced after PCR with species-specific primers. DNA has been extracted manually using a previously described methodology with slight modifications. The size of the PCR product and sequence of cytochrome b gene indicates that tiger DNA is successfully extracted from scat samples using tigerspecific primers. Thus, presence of tiger DNA can be detected by using this method just by the PCR product size in the gel. This is the first report of a partial sequence of mitochondrial cytochrome b gene of P. t. tigris from Bangladesh. Dhaka Univ. J. Biol. Sci. 30(2): 325-330, 2021 (July)

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McIntyre, James K., Lisa L. Wolf, Benjamin N. Sacks, Johon Koibur, and I. Lehr Brisbin Jr. "A population of free-living highland wild dogs in Indonesian Papua." Australian Mammalogy 42, no. 2 (2020): 160. http://dx.doi.org/10.1071/am18039.

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A 10-day rapid assessment has confirmed a small population of indigenous wild-living dogs in the highlands of Papua Province, Indonesia. The goal of the assessment was to observe, census, assess health and reproductive status, and collect biological samples or other data for this understudied canid. Trail cameras and DNA hair traps were deployed and baited with scent attractants, and game calls were used to elicit vocal responses or lure the dogs within observation range. Adults and pups of both sexes as well as a den were documented in 149 photographs. DNA testing of scat samples confirmed a canid origin with a close relationship to other oceanic canids including NGSD (New Guinea Singing Dog) and dingoes.

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Nikolić, Tatjana Mamula, Ivan Paunović, Mirjana Milovanović, Nenad Lozović, and Marija Đurović. "Examining Generation Z’s Attitudes, Behavior and Awareness Regarding Eco-Products: A Bayesian Approach to Confirmatory Factor Analysis." Sustainability 14, no. 5 (February 25, 2022): 2727. http://dx.doi.org/10.3390/su14052727.

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The research examines Generation Z’s (Gen Z’s) attitudes, behavior and awareness regarding sustainability-oriented products in two European countries, located in the region of Western Balkans, Bosnia–Herzegovina and Serbia. The research deploys generational cohort theory (GCT) and a quantitative analysis of primary data collected through an online questionnaire among 1338 primary, high school and university students, all belonging to Generation Z. It deploys a Confirmatory Factor Analysis (CFA) by running both Maximum Likelihood (ML) and Markov Chain Monte Carlo (MCMC) procedures, the latter being suitable for binary variables, which have been deployed in the study. The results of MLCFA provide evidence that there is a statistically significant and relatively strong relation between sustainability and circular economy attitudes (SCEA) and sustainability and circular economy behavior (SCEB), while there is a statistically insignificant and relatively weak relation between sustainability and circular economy behavior (SCEB) and circular economy awareness (CEW). The results of the BCFA, which is based on MCMC procedure, are similar to the results based on a rather commonly used MLCFA procedure. The results also confirm that Gen Z knows more about the companies which recycle products than it does about the CE as a concept, while the vast majority is concerned about the future of the planet and is motivated to learn more about the CE through CE and various awareness-raising measures.

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Vilà, C., V. Urios, and J. Castroviejo. "Use of faeces for scent marking in Iberian wolves (Canis lupus)." Canadian Journal of Zoology 72, no. 2 (February 1, 1994): 374–77. http://dx.doi.org/10.1139/z94-053.

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The study of the characteristics of 232 wolf (Canis lupus) scats from northwestern Spain reveals that faeces were not left at random. They accumulated near trail junctions, where the probability of interception by other traveling wolves is maximal, and were commonly associated with evident reference points (i.e., ashes, decaying bark, isolated shrubs, carrion, promontories, etc.) that may visually or olfactorily increase the signal's effectiveness. The center of the trail was clearly preferred to the borders, facilitating location of the scat by other individuals. If one side of the trail was more exposed to the wind, scats accumulated more on that side than on the other, and their deposition on the trail margin may increase the radius of their influence even more. These results suggest that faeces may be more important for spacing among Iberian wolves than expected, considering the minor role assigned to the scats in most previous studies of wolf scent marking.

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Barker, Jane E., and Luanne L. Peters. "Murine Severe Combined Anemia and Thrombocytopenia (SCAT), a Model for Human Juvenile Cyclic Congenital Amegakaryocytic Thrombocytopenia (cyCAMT)." Blood 106, no. 11 (November 16, 2005): 2163. http://dx.doi.org/10.1182/blood.v106.11.2163.2163.

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Congenital inherited thrombocytopenias (CTP) are rare and often misdiagnosed in patients. SCAT is a heritable, recessive murine bleeding disorder that shares characteristics with some of the human CTPs. The disease is: present at birth, episodic, lethal unless treated and not immune-mediated. A platelet-specific antibody present in plasma of scat/+ mothers and their affected scat/scat pups initiates a short-lived platelet decrease when injected into adult +/+ mice and binds a 110 kD platelet protein on Western blots. The antibody is not responsible for the phenotype. scat/scat pups are anemic and thrombocytopenic at birth regardless of whether they and/or their scat/+ mother are immunodeficient and antibody free. Hematopoietic stem cell transplantation transmits the SCAT disease to normal mice. scat/+ x scat/+ matings generate only ½ the expected number of scat/scat neonates. Despite the deficit, the total number of live newborns from scat/+ x scat/+ matings is the same as from +/+ x +/+ matings. These observations suggest that the disease is incompletely penatrant or that scat/scat fetuses die in utero. In utero analyses indicate that the expected number of bruised scat/scat fetuses die near birth, but also an additional 24% of the total fetuses present are resorbed after implantation. Identification of the resorbed fetuses is impossible by molecular analysis, so the normal, live born survivors (?/+) were genotyped as adults by mating to a known scat/+ adult of the opposite sex. Results are consistent with early in utero loss of the scat/+ pups. Surprisingly, the scat/+ mothers and all their fetuses are platelet deficient. Platelets are more severely decreased in the live, bruised fetuses. Clearly, the scat/+ mother is more fecund and the scat/+ as well as the scat/scat fetuses are at risk. We hypothesize there is transplacental transfer of a thrombocytopenia-initiating factor between the fetuses and their mother in both directions. The putative initiator is produced only when a wild-type gene is present since scat/scat parents surviving the cyclical platelet deficiency can mate but give birth to unaffected scat/scat pups. The early onset, recessive inheritance, cyclical nature, defective stem cells and rapidly progressing marrow hypoplasia in scat/scat mice are reminiscent of juvenile cyCAMT. c-mpl, responsible for non-cyclical CAMT, is not in the scat interval on mouse Chr. 8. The scat gene must play an unpredicted role in maintaining stem cells and their progeny and could be a candidate gene for cyCAMT.

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Fabrizi, Cassie. "Scent." Journal for Activist Science and Technology Education 11, no. 1 (May 10, 2020): 6–8. http://dx.doi.org/10.33137/jaste.v11i1.34250.

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Products like lotion, soap, shampoo, and perfume can smell delightful, but are they really as lovely as they smell? All artificially scented products contain a mixture of chemicals, usually labeled as “scent” or “parfum”. However, what people don't know is that scented products contain many harmful chemicals, including limonene. Limonene by itself is harmless, but when it mixes with ozone it becomes dangerous to our health. For this social action project, I discuss problems related to scented products and my proposed action is focused on advocacy for scent-free spaces.

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Anderson, C. "Scat." Interdisciplinary Studies in Literature and Environment 10, no. 2 (July 1, 2003): 233. http://dx.doi.org/10.1093/isle/10.2.233.

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Smyth, Steven, Christian Motika, Karsten Rathlev, Reinhard Von Hanxleden, and Michael Mendler. "SCEst." ACM Transactions on Embedded Computing Systems 17, no. 2 (April 26, 2018): 1–26. http://dx.doi.org/10.1145/3063129.

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