Fragmentation cross sections of 158AGeV Pb ions in various targets measured with CR39 nuclear track detectors

Cecchini, S.; Giacomelli, G.; Giorgini, M.; Mandrioli, G.; Patrizii, L.; Popa, V.; Serra, P.; Sirri, G.; Spurio, M.

doi:10.1016/s0375-9474(02)00962-4

Cited by 31 publications

(36 citation statements)

References 21 publications

(46 reference statements)

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“…Previously, only the total dissociation cross sections of 158A-GeV Pb ions (including the hadronic contribution) have been measured [19,20]. Other groups have recently reported [21][22][23] charge-changing cross sections for the same ions.…”

Section: Introductionmentioning

confidence: 99%

Neutron emission in electromagnetic dissociation of ultrarelativistic Pb ions

Golubeva¹,

Guber²,

Karavicheva³

et al. 2005

Phys. Rev. C

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New data on forward neutron emission in fragmentation of Pb ions on Al, Cu, Sn, and Pb nuclei are presented. The measurements were performed at the CERN SPS in the framework of the ALICE-LUMI experiment. The measured cross sections are compared with predictions of the RELDIS model for electromagnetic interactions and with results of the abrasion-ablation model for hadronic interactions. The electromagnetic excitation of a Pb projectile followed by single-and double-neutron emission is found to be the dominant process in full agreement with theoretical estimations. The measured 1nX cross sections are generally well described. The measured 2nX data, which are 4-5 times lower than the 1nX data, are slightly underestimated by theory. Nevertheless, the sum of 1nX and 2nX cross sections is in good agreement with theory. This confirms the predictive power of the RELDIS model, which can be used to calculate the sum of 1nX and 2nX emission rates for the purpose of calibration of luminosity measurements in PbPb collisions at the Large Hadron Collider at CERN.

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Section: Introductionmentioning

confidence: 99%

Neutron emission in electromagnetic dissociation of ultrarelativistic Pb ions

Golubeva¹,

Guber²,

Karavicheva³

et al. 2005

Phys. Rev. C

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“…11 (c) we display the sum of the ER and fission channels as predicted by ABRA-Lang and ABRABLA. Normalization to absolute cross sections is performed with the nuclear-induced reaction cross section extracted in experiment [38]. The rather remarkable description of the shape of the experimental distribution with ABRABLA (red full line) in the region where the ER and fission dominate is noteworthy.…”

Section: B Gaimard-schmidt Abrasion Coupled To Dynamical Decay and Cmentioning

confidence: 99%

“…The heaviest, lowly excited, and lightest, very excited, prefragments experience, respectively, very short Weighting by the impact parameter distribution predicted by ABRA is performed in both cases. The integral distributions including ER and fission channels are shown in (c); normalization to absolute cross sections is performed using the nuclearinduced reaction cross section extracted in experiment [38]. The total distribution predicted by the ABRABLA code, with no event selection (that is, including electromagneticinduced interactions, and break-up processes) is displayed as well with the dash-dotted curve; absolute normalization is directly taken from the total reaction cross section predicted by ABRABLA.…”

Section: B Gaimard-schmidt Abrasion Coupled To Dynamical Decay and Cmentioning

confidence: 99%

Dynamical evolution of spectator systems produced in ultrarelativistic heavy-ion collisions

et al. 2018

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In peripheral heavy-ion collisions at ultra-relativistic energies, usually only parts of the colliding nuclei effectively interact with each other. In the overlapping zone, a fireball or quark-gluon plasma is produced. The excitation energy of the heavy remnant can range from a few tens to several hundreds of MeV, depending on the impact parameter. The decay of these excited spectators is investigated in this work for the first time within a dynamical approach based on the multidimensional stochastic Langevin equation. The potential of this exploratory work to understand the connection between electromagnetic fields generated by the heavy spectators and measured pion distributions is discussed.

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“…The REL may be determined from the geometry of the etched cones. For CR39 this technique is particularly successful, yielding measurements of the electric charge of heavy relativistic nuclei (Z > 5) to a precision of 0.05e if several layers of plastic sheets are used [39,40].…”

Section: Energy Loss Mechanisms In Nuclear Track Detectorsmentioning

confidence: 99%

Status of Searches for Magnetic Monopoles

Patrizii

Spurio

2015

Annu. Rev. Nucl. Part. Sci.

Self Cite

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The searches for magnetic monopoles (Ms) is a fascinating interdisciplinary field with implications in fundamental theories, in particle physics, astrophysics, and cosmology. The quantum theory of Ms and its consistency with electrodynamics was derived by P.A.M. Dirac. This marked the start of the searches for classical monopoles at every new accelerator, up to the LHC. Magnetic monopoles are required by Grand Unification Theories, but unlike classical monopoles they would be incredibly massive, out of the reach of any conceivable accelerator. Large efforts have been made to search for them in the cosmic radiation as relic particles from the early Universe in the widest range of mass and velocity experimentally accessible.In this paper the status of the searches for classical Ms at accelerators, for GUT, superheavy Ms in the penetrating cosmic radiation and for Intermediate Mass Ms at high altitudes is discussed, with emphasis on the most recent results and future perspectives.

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Fragmentation cross sections of 158AGeV Pb ions in various targets measured with CR39 nuclear track detectors

Cited by 31 publications

References 21 publications

Neutron emission in electromagnetic dissociation of ultrarelativistic Pb ions

Neutron emission in electromagnetic dissociation of ultrarelativistic Pb ions

Dynamical evolution of spectator systems produced in ultrarelativistic heavy-ion collisions

Status of Searches for Magnetic Monopoles

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