أعرض تسجيلة المادة بشكل مبسط

dc.creator Anchordoqui, Luis A.
dc.creator Delgado, Antonio
dc.creator García Canal, Carlos A.
dc.creator Sciutto, Sergio J.
dc.date 2008-01-03T12:50:09Z
dc.date 2008-01-03T12:50:09Z
dc.date 2007-10-02
dc.date.accessioned 2017-01-31T00:59:38Z
dc.date.available 2017-01-31T00:59:38Z
dc.identifier arXiv:0710.0525v1
dc.identifier http://hdl.handle.net/10261/2650
dc.identifier.uri http://dspace.mediu.edu.my:8181/xmlui/handle/10261/2650
dc.description A ps version of the paper with high resolution figures is available at: http://www.hep.physics.neu.edu/staff/doqui/rhadron_highres.ps
dc.description Eventual signals of split sypersymmetry in cosmic ray physics are analyzed in detail. The study focusses particularly on quasi-stable colorless R-hadrons originating through confinement of long-lived gluinos (with quarks, anti-quarks, and gluons) produced in pp collisions at astrophysical sources. Because of parton density requirements, the gluino has a momentum which is considerable smaller than the energy of the primary proton, and so production of heavy (mass ~ 500 GeV) R-hadrons requires powerful cosmic ray engines able to accelerate particles up to extreme energies, somewhat above 10^{13.6} GeV. Using a realistic Monte Carlo simulation with the AIRES engine, we study the main characteristics of the air showers triggered when one of these exotic hadrons impinges on a stationary nucleon of the Earth atmosphere. We show that R-hadron air showers present clear differences with respect to those initiated by standard particles. We use this shower characteristics to construct observables which may be used to distinguish long-lived gluinos at the Pierre Auger Observatory.
dc.description Peer reviewed
dc.format 285964 bytes
dc.format application/pdf
dc.language eng
dc.relation CERN-PH-TH
dc.relation 2007-120
dc.relation Preprint
dc.rights openAccess
dc.subject Gluinos
dc.subject Hadrons
dc.subject Particle Collision
dc.subject Particle Physics
dc.subject High Energy Physics
dc.title Hunting long-lived gluinos at the Pierre Auger Observatory
dc.type Pre-print


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