Lateral distribution of muons in IceCube cosmic ray events

In cosmic ray air showers, the muon lateral separation from the center of the shower is a measure of the transverse momentum that the muon parent acquired in the cosmic ray interaction. IceCube has observed cosmic ray interactions that produce muons laterally separated by up to 400 m from the shower...

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Main Authors:	Abbasi, R., Abdou, Y., Ackermann, M., Adams, J., Aguilar, J., Ahlers, M., Altmann, D., Andeen, K., Auffenberg, J., Bai, X., Baker, M., Barwick, S., Baum, V., Bay, R., Beattie, K., Beatty, J., Bechet, S., Becker Tjus, J., Becker, K., Bell, M., Benabderrahmane, M., Benzvi, S., Berdermann, J., Berghaus, P., Berley, D., Bernardini, E., Bertrand, D., Besson, D., Bindig, D., Bissok, M., Blaufuss, E., Blumenthal, J., Boersma, D., Bohm, C., Bose, D., Böser, S., Botner, O., Brayeur, L., Brown, A., Bruijn, R., Brunner, J., Buitink, S., Carson, Michael, Casey, J., Casier, M., Chirkin, D., Christy, B., Clevermann, F., Cohen, S., Cowen, D., Cruz Silva, A., Danninger, M., Daughhetee, J., Davis, J., De Clercq, C., Descamps, F., Desiati, P., De Vries-Uiterweerd, G., Deyoung, T., Díaz-Vélez, J., Dreyer, J., Dumm, J., Dunkman, M., Eagan, R., Eisch, J., Ellsworth, R., Engdegård, O., Euler, S., Evenson, P., Fadiran, O., Fazely, A., Fedynitch, A., Feintzeig, J., Feusels, T., Filimonov, K., Finley, C., Fischer-Wasels, T., Flis, S., Franckowiak, A., Franke, R., Frantzen, K., Fuchs, T., Gaisser, T., Gallagher, J., Gerhardt, L., Gladstone, L., Glüsenkamp, T., Goldschmidt, A., Goodman, J., Góra, D., Grant, D., Groß, A., Grullon, S., Gurtner, M., Ha, C., Haj Ismail, A.
Format:	Journal Article
Published:	2013
Online Access:	http://hdl.handle.net/20.500.11937/26178

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author	Abbasi, R. Abdou, Y. Ackermann, M. Adams, J. Aguilar, J. Ahlers, M. Altmann, D. Andeen, K. Auffenberg, J. Bai, X. Baker, M. Barwick, S. Baum, V. Bay, R. Beattie, K. Beatty, J. Bechet, S. Becker Tjus, J. Becker, K. Bell, M. Benabderrahmane, M. Benzvi, S. Berdermann, J. Berghaus, P. Berley, D. Bernardini, E. Bertrand, D. Besson, D. Bindig, D. Bissok, M. Blaufuss, E. Blumenthal, J. Boersma, D. Bohm, C. Bose, D. Böser, S. Botner, O. Brayeur, L. Brown, A. Bruijn, R. Brunner, J. Buitink, S. Carson, Michael Casey, J. Casier, M. Chirkin, D. Christy, B. Clevermann, F. Cohen, S. Cowen, D. Cruz Silva, A. Danninger, M. Daughhetee, J. Davis, J. De Clercq, C. Descamps, F. Desiati, P. De Vries-Uiterweerd, G. Deyoung, T. Díaz-Vélez, J. Dreyer, J. Dumm, J. Dunkman, M. Eagan, R. Eisch, J. Ellsworth, R. Engdegård, O. Euler, S. Evenson, P. Fadiran, O. Fazely, A. Fedynitch, A. Feintzeig, J. Feusels, T. Filimonov, K. Finley, C. Fischer-Wasels, T. Flis, S. Franckowiak, A. Franke, R. Frantzen, K. Fuchs, T. Gaisser, T. Gallagher, J. Gerhardt, L. Gladstone, L. Glüsenkamp, T. Goldschmidt, A. Goodman, J. Góra, D. Grant, D. Groß, A. Grullon, S. Gurtner, M. Ha, C. Haj Ismail, A.
author_facet	Abbasi, R. Abdou, Y. Ackermann, M. Adams, J. Aguilar, J. Ahlers, M. Altmann, D. Andeen, K. Auffenberg, J. Bai, X. Baker, M. Barwick, S. Baum, V. Bay, R. Beattie, K. Beatty, J. Bechet, S. Becker Tjus, J. Becker, K. Bell, M. Benabderrahmane, M. Benzvi, S. Berdermann, J. Berghaus, P. Berley, D. Bernardini, E. Bertrand, D. Besson, D. Bindig, D. Bissok, M. Blaufuss, E. Blumenthal, J. Boersma, D. Bohm, C. Bose, D. Böser, S. Botner, O. Brayeur, L. Brown, A. Bruijn, R. Brunner, J. Buitink, S. Carson, Michael Casey, J. Casier, M. Chirkin, D. Christy, B. Clevermann, F. Cohen, S. Cowen, D. Cruz Silva, A. Danninger, M. Daughhetee, J. Davis, J. De Clercq, C. Descamps, F. Desiati, P. De Vries-Uiterweerd, G. Deyoung, T. Díaz-Vélez, J. Dreyer, J. Dumm, J. Dunkman, M. Eagan, R. Eisch, J. Ellsworth, R. Engdegård, O. Euler, S. Evenson, P. Fadiran, O. Fazely, A. Fedynitch, A. Feintzeig, J. Feusels, T. Filimonov, K. Finley, C. Fischer-Wasels, T. Flis, S. Franckowiak, A. Franke, R. Frantzen, K. Fuchs, T. Gaisser, T. Gallagher, J. Gerhardt, L. Gladstone, L. Glüsenkamp, T. Goldschmidt, A. Goodman, J. Góra, D. Grant, D. Groß, A. Grullon, S. Gurtner, M. Ha, C. Haj Ismail, A.
author_sort	Abbasi, R.
building	Curtin Institutional Repository
collection	Online Access
description	In cosmic ray air showers, the muon lateral separation from the center of the shower is a measure of the transverse momentum that the muon parent acquired in the cosmic ray interaction. IceCube has observed cosmic ray interactions that produce muons laterally separated by up to 400 m from the shower core, a factor of 6 larger distance than previous measurements. These muons originate in high pT (>2 GeV/c) interactions from the incident cosmic ray, or high-energy secondary interactions. The separation distribution shows a transition to a power law at large values, indicating the presence of a hard pT component that can be described by perturbative quantum chromodynamics. However, the rates and the zenith angle distributions of these events are not well reproduced with the cosmic ray models tested here, even those that include charm interactions. This discrepancy may be explained by a larger fraction of kaons and charmed particles than is currently incorporated in the simulations.
first_indexed	2025-11-14T08:00:15Z
format	Journal Article
id	curtin-20.500.11937-26178
institution	Curtin University Malaysia
institution_category	Local University
last_indexed	2025-11-14T08:00:15Z
publishDate	2013
recordtype	eprints
repository_type	Digital Repository
spelling	curtin-20.500.11937-261782017-09-13T15:26:48Z Lateral distribution of muons in IceCube cosmic ray events Abbasi, R. Abdou, Y. Ackermann, M. Adams, J. Aguilar, J. Ahlers, M. Altmann, D. Andeen, K. Auffenberg, J. Bai, X. Baker, M. Barwick, S. Baum, V. Bay, R. Beattie, K. Beatty, J. Bechet, S. Becker Tjus, J. Becker, K. Bell, M. Benabderrahmane, M. Benzvi, S. Berdermann, J. Berghaus, P. Berley, D. Bernardini, E. Bertrand, D. Besson, D. Bindig, D. Bissok, M. Blaufuss, E. Blumenthal, J. Boersma, D. Bohm, C. Bose, D. Böser, S. Botner, O. Brayeur, L. Brown, A. Bruijn, R. Brunner, J. Buitink, S. Carson, Michael Casey, J. Casier, M. Chirkin, D. Christy, B. Clevermann, F. Cohen, S. Cowen, D. Cruz Silva, A. Danninger, M. Daughhetee, J. Davis, J. De Clercq, C. Descamps, F. Desiati, P. De Vries-Uiterweerd, G. Deyoung, T. Díaz-Vélez, J. Dreyer, J. Dumm, J. Dunkman, M. Eagan, R. Eisch, J. Ellsworth, R. Engdegård, O. Euler, S. Evenson, P. Fadiran, O. Fazely, A. Fedynitch, A. Feintzeig, J. Feusels, T. Filimonov, K. Finley, C. Fischer-Wasels, T. Flis, S. Franckowiak, A. Franke, R. Frantzen, K. Fuchs, T. Gaisser, T. Gallagher, J. Gerhardt, L. Gladstone, L. Glüsenkamp, T. Goldschmidt, A. Goodman, J. Góra, D. Grant, D. Groß, A. Grullon, S. Gurtner, M. Ha, C. Haj Ismail, A. In cosmic ray air showers, the muon lateral separation from the center of the shower is a measure of the transverse momentum that the muon parent acquired in the cosmic ray interaction. IceCube has observed cosmic ray interactions that produce muons laterally separated by up to 400 m from the shower core, a factor of 6 larger distance than previous measurements. These muons originate in high pT (>2 GeV/c) interactions from the incident cosmic ray, or high-energy secondary interactions. The separation distribution shows a transition to a power law at large values, indicating the presence of a hard pT component that can be described by perturbative quantum chromodynamics. However, the rates and the zenith angle distributions of these events are not well reproduced with the cosmic ray models tested here, even those that include charm interactions. This discrepancy may be explained by a larger fraction of kaons and charmed particles than is currently incorporated in the simulations. 2013 Journal Article http://hdl.handle.net/20.500.11937/26178 10.1103/PhysRevD.87.012005 fulltext
spellingShingle	Abbasi, R. Abdou, Y. Ackermann, M. Adams, J. Aguilar, J. Ahlers, M. Altmann, D. Andeen, K. Auffenberg, J. Bai, X. Baker, M. Barwick, S. Baum, V. Bay, R. Beattie, K. Beatty, J. Bechet, S. Becker Tjus, J. Becker, K. Bell, M. Benabderrahmane, M. Benzvi, S. Berdermann, J. Berghaus, P. Berley, D. Bernardini, E. Bertrand, D. Besson, D. Bindig, D. Bissok, M. Blaufuss, E. Blumenthal, J. Boersma, D. Bohm, C. Bose, D. Böser, S. Botner, O. Brayeur, L. Brown, A. Bruijn, R. Brunner, J. Buitink, S. Carson, Michael Casey, J. Casier, M. Chirkin, D. Christy, B. Clevermann, F. Cohen, S. Cowen, D. Cruz Silva, A. Danninger, M. Daughhetee, J. Davis, J. De Clercq, C. Descamps, F. Desiati, P. De Vries-Uiterweerd, G. Deyoung, T. Díaz-Vélez, J. Dreyer, J. Dumm, J. Dunkman, M. Eagan, R. Eisch, J. Ellsworth, R. Engdegård, O. Euler, S. Evenson, P. Fadiran, O. Fazely, A. Fedynitch, A. Feintzeig, J. Feusels, T. Filimonov, K. Finley, C. Fischer-Wasels, T. Flis, S. Franckowiak, A. Franke, R. Frantzen, K. Fuchs, T. Gaisser, T. Gallagher, J. Gerhardt, L. Gladstone, L. Glüsenkamp, T. Goldschmidt, A. Goodman, J. Góra, D. Grant, D. Groß, A. Grullon, S. Gurtner, M. Ha, C. Haj Ismail, A. Lateral distribution of muons in IceCube cosmic ray events
title	Lateral distribution of muons in IceCube cosmic ray events
title_full	Lateral distribution of muons in IceCube cosmic ray events
title_fullStr	Lateral distribution of muons in IceCube cosmic ray events
title_full_unstemmed	Lateral distribution of muons in IceCube cosmic ray events
title_short	Lateral distribution of muons in IceCube cosmic ray events
title_sort	lateral distribution of muons in icecube cosmic ray events
url	http://hdl.handle.net/20.500.11937/26178

Lateral distribution of muons in IceCube cosmic ray events

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