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• Several versions

### Strange Baryon to Meson Ratio

Cuautle, Eleazar, Ayala, Alejandro
arXiv.org, Oct 3, 2013 [Peer Reviewed Journal]

• Several versions

### Mid-rapidity charged hadron transverse spherocity in pp collisions simulated with Pythia

Cuautle, Eleazar, Ortiz, Antonio, Paic, Guy
arXiv.org, Jun 1, 2015 [Peer Reviewed Journal]

• Several versions

### Effects produced by multi-parton interactions and color reconnection in small systems

Cuautle, Eleazar, Ortiz, Antonio, Paic, Guy
arXiv.org, Feb 22, 2016 [Peer Reviewed Journal]

• Article
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### Nuclear modification factor for heavy flavors: an energy loss effect or more baryons than mesons?

Ayala, Alejandro, Cuautle, Eleazar, Magnin, J, Montaño, Luis Manuel, Sánchez, G Toledo
Journal of Physics: Conference Series, 2012, Vol.378(1), p.012029 (8pp) [Peer Reviewed Journal]
IOPscience (IOP Publishing)
Available
Title: Nuclear modification factor for heavy flavors: an energy loss effect or more baryons than mesons?
Author: Ayala, Alejandro; Cuautle, Eleazar; Magnin, J; Montaño, Luis Manuel; Sánchez, G Toledo
Subject: Channels ; Mesons ; Energy (Nuclear) ; Baryons ; Plasma (Physics) ; Accounting ; Flavours ; Quantum Chromodynamics ; Atomic and Molecular Physics (General) (So) ; Design Principles (Mt) ; Physics of Metals (MD) ; Physics (General) (Ah);
Description: The properties of the nuclear modification factor for heavy flavors are usually attributed to the energy loss suffered by the heavy quark propagating in a QCD plasma. Nevertheless it is a bit surprising that the suppression of this factor is as strong as the one suffered by light flavors. In this work we show that when accounting for the momentum shift associated to the opening of the recombination channel to produce hadrons in the QCD plasma, it is not necessary to invoke such a strong energy loss. We show that when the heavy baryon to meson ratio is larger in nuclear than in proton collisions, data from RHIC and LHC for the nuclear modification factor of electrons coming from heavy flavor decays as well as for charmed masons can be accounted for.
Is part of: Journal of Physics: Conference Series, 2012, Vol.378(1), p.012029 (8pp)
Identifier: 1742-6588 (ISSN); 1742-6596 (E-ISSN); 10.1088/1742-6596/378/1/012029 (DOI)
• Article
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### Heavy flavor nuclear modification factor: more baryons than mesons less energy loss

Ayala, Alejandro, Cuautle, Eleazar, Magnin, J, Montano, Luis
arXiv.org, Oct 20, 2011
© ProQuest LLC All rights reserved, Engineering Database, Publicly Available Content Database, ProQuest Engineering Collection, ProQuest Technology Collection, ProQuest SciTech Collection, Materials Science & Engineering Database, ProQuest Central (new), ProQuest Central Korea, SciTech Premium Collection, Technology Collection, ProQuest Central Essentials, ProQuest One Academic, Engineering Collection (ProQuest)
Available
Title: Heavy flavor nuclear modification factor: more baryons than mesons less energy loss
Author: Ayala, Alejandro; Cuautle, Eleazar; Magnin, J; Montano, Luis
Contributor: Montano, Luis (pacrepositoryorg)
Subject: Quarks ; Charm (Particle Physics) ; Baryons ; Flavor (Particle Physics) ; Hadrons ; Mesons ; Quantum Chromodynamics ; Energy Dissipation ; Coalescing
Description: The suppression of the nuclear modification factor for heavy flavor hadrons is usually attributed to the energy loss of heavy quarks propagating in a QCD plasma. Nevertheless it is puzzling that the suppression is as strong as for light flavors. We show that when accounting for the quark momentum shift associated to the opening of the recombination/coalescence channel for hadron production in the plasma, it is not necessary to invoke such strong energy loss. This shift is expressed in terms of an increase of the heavy baryon to meson ratio in nuclear with respect to proton collisions. When this mechanism is included along with a moderate energy loss, data from RHIC and LHC for the nuclear modification factor of electrons coming from heavy flavor decays as well as of charm mesons, can be reasonably described.
Is part of: arXiv.org, Oct 20, 2011
Identifier: 2331-8422 (E-ISSN)
• Several versions

### Study of the PYTHIA $$\Delta\eta\Delta\phi$$ correlation as a function of multiplicity and transverse sphericity in proton-proton collisions at 7 TeV

Perez, Edgar, Paic, Guy, Ortiz, Antonio, Cuautle, Eleazar
arXiv.org, Jul 1, 2014

• Several versions

### Color reconnection and flow-like patterns in pp collisions

Ortiz, Antonio, Christiansen, Peter, Cuautle, Eleazar, Maldonado, Ivonne, Paic, Guy
arXiv.org, Jun 27, 2013 [Peer Reviewed Journal]

• Article
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### Disentangling the soft and hard components of the pp collisions using the sphero(i)city approach

Cuautle, Eleazar, Jimenez, Raul, Maldonado, Ivonne, Ortiz, Antonio, Paic, Guy, Perez, Edgar
Cornell University
Available
Title: Disentangling the soft and hard components of the pp collisions using the sphero(i)city approach
Author: Cuautle, Eleazar; Jimenez, Raul; Maldonado, Ivonne; Ortiz, Antonio; Paic, Guy; Perez, Edgar
Subject: High Energy Physics - Phenomenology
Description: A new method to extract information from the pp data is proposed. The approach is based on the use of the event structure variables: sphericity and spherocity, to split the data into enhanced soft and hard processes samples corresponding to events with large and low numbers of multi-parton interactions, respectively. The present study was developed in the framework of Pythia 8.180 for inelastic pp collisions at sqrt(s) =7 TeV. As an application of the method, a study of the identified particle transverse momentum spectra and their ratios; is presented for soft (isotropic) and hard (jetty-like) events. The flow-like effect on these observables due to multi-parton interactions and color reconnection is relevant for soft events suggesting that partons inside the jet do not feel color reconnection and its flow-like consequences. Comment: 4 pages, 4 figures
Identifier: 1404.2372 (ARXIV ID)
• Article
Select

### Heavy flavor nuclear modification factor: more baryons than mesons less energy loss

Ayala, Alejandro, Cuautle, Eleazar, Magnin, J., Montano, Luis Manuel, Sanchez, G. Toledo
Cornell University
Available
Title: Heavy flavor nuclear modification factor: more baryons than mesons less energy loss
Author: Ayala, Alejandro; Cuautle, Eleazar; Magnin, J.; Montano, Luis Manuel; Sanchez, G. Toledo
Subject: Nuclear Theory ; High Energy Physics - Phenomenology
Description: The suppression of the nuclear modification factor for heavy flavor hadrons is usually attributed to the energy loss of heavy quarks propagating in a QCD plasma. Nevertheless it is puzzling that the suppression is as strong as for light flavors. We show that when accounting for the quark momentum shift associated to the opening of the recombination/coalescence channel for hadron production in the plasma, it is not necessary to invoke such strong energy loss. This shift is expressed in terms of an increase of the heavy baryon to meson ratio in nuclear with respect to proton collisions. When this mechanism is included along with a moderate energy loss, data from RHIC and LHC for the nuclear modification factor of electrons coming from heavy flavor decays as well as of charm mesons, can be reasonably described. Comment: 4 pages, 3 figures
Identifier: 1110.4587 (ARXIV ID)
• Article
Select

### Disentangling the soft and hard components of the pp collisions using the sphero(i)city approach

Cuautle, Eleazar, Jimenez, Raul, Maldonado, Ivonne, Ortiz, Antonio, Paic, Guy, Perez, Edgar
arXiv.org, Apr 9, 2014
© ProQuest LLC All rights reserved, Engineering Database, Publicly Available Content Database, ProQuest Engineering Collection, ProQuest Technology Collection, ProQuest SciTech Collection, Materials Science & Engineering Database, ProQuest Central (new), ProQuest Central Korea, SciTech Premium Collection, Technology Collection, ProQuest Central Essentials, ProQuest One Academic, Engineering Collection (ProQuest)
Available
Title: Disentangling the soft and hard components of the pp collisions using the sphero(i)city approach
Author: Cuautle, Eleazar; Jimenez, Raul; Maldonado, Ivonne; Ortiz, Antonio; Paic, Guy; Perez, Edgar
Contributor: Perez, Edgar (pacrepositoryorg)
Subject: Collisions ; Partons ; Color ; Transverse Momentum
Description: A new method to extract information from the pp data is proposed. The approach is based on the use of the event structure variables: sphericity and spherocity, to split the data into enhanced soft and hard processes samples corresponding to events with large and low numbers of multi-parton interactions, respectively. The present study was developed in the framework of Pythia 8.180 for inelastic pp collisions at sqrt(s) =7 TeV. As an application of the method, a study of the identified particle transverse momentum spectra and their ratios; is presented for soft (isotropic) and hard (jetty-like) events. The flow-like effect on these observables due to multi-parton interactions and color reconnection is relevant for soft events suggesting that partons inside the jet do not feel color reconnection and its flow-like consequences.
Is part of: arXiv.org, Apr 9, 2014
Identifier: 2331-8422 (E-ISSN)