Search for ultrarelativistic magnetic monopoles with the Pierre Auger observatory

A. Aab; P. Abreu; M. Aglietta; I. Al Samarai; I. F. M. Albuquerque; I. Allekotte; A. Almela; J. Alvarez Castillo; J. Alvarez-Muniz; M. Ambrosio; G. A. Anastasi; L. Anchordoqui; B. Andrada; S. Andringa; C. Aramo; F. Arqueros; N. Arsene; H. Asorey; P. Assis; J. Aublin; G. Avila; A. M. Badescu; A. Balaceanu; R. J. Barreira Luz; C. Baus; J. J. Beatty; K. H. Becker; J. A. Bellido; C. Berat; E. Bertaina; X. Bertou; P. L. Biermann; P. Billoir; J. Biteau; S. G. Blaess; A. Blanco; J. Blazek; C. Bleve; M. Bohacova; D. Boncioli; C. Bonifazi; N. Borodai; A. M. Botti; J. Brack; I. Brancus; T. Bretz; Qader Dorosti Hasankiadeh; S. Messina; O. Scholten; A. M. van den Berg; Pierre Auger Collaboration

doi:10.1103/PhysRevD.94.082002

Search for ultrarelativistic magnetic monopoles with the Pierre Auger observatory

A. Aab^*, P. Abreu, M. Aglietta, I. Al Samarai, I. F. M. Albuquerque, I. Allekotte, A. Almela, J. Alvarez Castillo, J. Alvarez-Muniz, M. Ambrosio, G. A. Anastasi, L. Anchordoqui, B. Andrada, S. Andringa, C. Aramo, F. Arqueros, N. Arsene, H. Asorey, P. Assis, J. AublinG. Avila, A. M. Badescu, A. Balaceanu, R. J. Barreira Luz, C. Baus, J. J. Beatty, K. H. Becker, J. A. Bellido, C. Berat, E. Bertaina, X. Bertou, P. L. Biermann, P. Billoir, J. Biteau, S. G. Blaess, A. Blanco, J. Blazek, C. Bleve, M. Bohacova, D. Boncioli, C. Bonifazi, N. Borodai, A. M. Botti, J. Brack, I. Brancus, T. Bretz, Qader Dorosti Hasankiadeh, S. Messina, O. Scholten, A. M. van den Berg, Pierre Auger Collaboration

^*Corresponding author for this work

Research output: Contribution to journal › Article › Academic › peer-review

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Abstract

We present a search for ultrarelativistic magnetic monopoles with the Pierre Auger observatory. Such particles, possibly a relic of phase transitions in the early Universe, would deposit a large amount of energy along their path through the atmosphere, comparable to that of ultrahigh-energy cosmic rays (UHECRs). The air-shower profile of a magnetic monopole can be effectively distinguished by the fluorescence detector from that of standard UHECRs. No candidate was found in the data collected between 2004 and 2012, with an expected background of less than 0.1 event from UHECRs. The corresponding 90% confidence level (C.L.) upper limits on the flux of ultrarelativistic magnetic monopoles range from 10(-1)9 (cm(2) sr s)(-1) for a Lorentz factor gamma = 10(9) to 2.5 x 10(-21) (cm(2) sr s)(-1) for gamma = 10(12). These results-the first obtained with a UHECR detector-improve previously published limits by up to an order of magnitude.

Original language	English
Article number	082002
Number of pages	12
Journal	Physical Review D
Volume	94
Issue number	8
DOIs	https://doi.org/10.1103/PhysRevD.94.082002
Publication status	Published - 3-Oct-2016

Keywords

FLUORESCENCE YIELD
ENERGY-LOSS
DETECTOR
FLUX

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Aab, A., Abreu, P., Aglietta, M., Al Samarai, I., Albuquerque, I. F. M., Allekotte, I., Almela, A., Alvarez Castillo, J., Alvarez-Muniz, J., Ambrosio, M., Anastasi, G. A., Anchordoqui, L., Andrada, B., Andringa, S., Aramo, C., Arqueros, F., Arsene, N., Asorey, H., Assis, P., ... Pierre Auger Collaboration (2016). Search for ultrarelativistic magnetic monopoles with the Pierre Auger observatory. Physical Review D, 94(8), Article 082002. https://doi.org/10.1103/PhysRevD.94.082002

@article{ec60e88f2ebe4cef994d4eaf54f94c1a,

title = "Search for ultrarelativistic magnetic monopoles with the Pierre Auger observatory",

abstract = "We present a search for ultrarelativistic magnetic monopoles with the Pierre Auger observatory. Such particles, possibly a relic of phase transitions in the early Universe, would deposit a large amount of energy along their path through the atmosphere, comparable to that of ultrahigh-energy cosmic rays (UHECRs). The air-shower profile of a magnetic monopole can be effectively distinguished by the fluorescence detector from that of standard UHECRs. No candidate was found in the data collected between 2004 and 2012, with an expected background of less than 0.1 event from UHECRs. The corresponding 90% confidence level (C.L.) upper limits on the flux of ultrarelativistic magnetic monopoles range from 10(-1)9 (cm(2) sr s)(-1) for a Lorentz factor gamma = 10(9) to 2.5 x 10(-21) (cm(2) sr s)(-1) for gamma = 10(12). These results-the first obtained with a UHECR detector-improve previously published limits by up to an order of magnitude.",

keywords = "FLUORESCENCE YIELD, ENERGY-LOSS, DETECTOR, FLUX",

author = "A. Aab and P. Abreu and M. Aglietta and {Al Samarai}, I. and Albuquerque, {I. F. M.} and I. Allekotte and A. Almela and {Alvarez Castillo}, J. and J. Alvarez-Muniz and M. Ambrosio and Anastasi, {G. A.} and L. Anchordoqui and B. Andrada and S. Andringa and C. Aramo and F. Arqueros and N. Arsene and H. Asorey and P. Assis and J. Aublin and G. Avila and Badescu, {A. M.} and A. Balaceanu and {Barreira Luz}, {R. J.} and C. Baus and Beatty, {J. J.} and Becker, {K. H.} and Bellido, {J. A.} and C. Berat and E. Bertaina and X. Bertou and Biermann, {P. L.} and P. Billoir and J. Biteau and Blaess, {S. G.} and A. Blanco and J. Blazek and C. Bleve and M. Bohacova and D. Boncioli and C. Bonifazi and N. Borodai and Botti, {A. M.} and J. Brack and I. Brancus and T. Bretz and {Dorosti Hasankiadeh}, Qader and S. Messina and O. Scholten and {van den Berg}, {A. M.} and {Pierre Auger Collaboration}",

year = "2016",

month = oct,

day = "3",

doi = "10.1103/PhysRevD.94.082002",

language = "English",

volume = "94",

journal = "Physical Review D",

issn = "2470-0010",

publisher = "AMER PHYSICAL SOC",

number = "8",

}

Aab, A, Abreu, P, Aglietta, M, Al Samarai, I, Albuquerque, IFM, Allekotte, I, Almela, A, Alvarez Castillo, J, Alvarez-Muniz, J, Ambrosio, M, Anastasi, GA, Anchordoqui, L, Andrada, B, Andringa, S, Aramo, C, Arqueros, F, Arsene, N, Asorey, H, Assis, P, Aublin, J, Avila, G, Badescu, AM, Balaceanu, A, Barreira Luz, RJ, Baus, C, Beatty, JJ, Becker, KH, Bellido, JA, Berat, C, Bertaina, E, Bertou, X, Biermann, PL, Billoir, P, Biteau, J, Blaess, SG, Blanco, A, Blazek, J, Bleve, C, Bohacova, M, Boncioli, D, Bonifazi, C, Borodai, N, Botti, AM, Brack, J, Brancus, I, Bretz, T, Dorosti Hasankiadeh, Q, Messina, S, Scholten, O , van den Berg, AM & Pierre Auger Collaboration 2016, 'Search for ultrarelativistic magnetic monopoles with the Pierre Auger observatory', Physical Review D, vol. 94, no. 8, 082002. https://doi.org/10.1103/PhysRevD.94.082002

TY - JOUR

T1 - Search for ultrarelativistic magnetic monopoles with the Pierre Auger observatory

AU - Aab, A.

AU - Abreu, P.

AU - Aglietta, M.

AU - Al Samarai, I.

AU - Albuquerque, I. F. M.

AU - Allekotte, I.

AU - Almela, A.

AU - Alvarez Castillo, J.

AU - Alvarez-Muniz, J.

AU - Ambrosio, M.

AU - Anastasi, G. A.

AU - Anchordoqui, L.

AU - Andrada, B.

AU - Andringa, S.

AU - Aramo, C.

AU - Arqueros, F.

AU - Arsene, N.

AU - Asorey, H.

AU - Assis, P.

AU - Aublin, J.

AU - Avila, G.

AU - Badescu, A. M.

AU - Balaceanu, A.

AU - Barreira Luz, R. J.

AU - Baus, C.

AU - Beatty, J. J.

AU - Becker, K. H.

AU - Bellido, J. A.

AU - Berat, C.

AU - Bertaina, E.

AU - Bertou, X.

AU - Biermann, P. L.

AU - Billoir, P.

AU - Biteau, J.

AU - Blaess, S. G.

AU - Blanco, A.

AU - Blazek, J.

AU - Bleve, C.

AU - Bohacova, M.

AU - Boncioli, D.

AU - Bonifazi, C.

AU - Borodai, N.

AU - Botti, A. M.

AU - Brack, J.

AU - Brancus, I.

AU - Bretz, T.

AU - Dorosti Hasankiadeh, Qader

AU - Messina, S.

AU - Scholten, O.

AU - van den Berg, A. M.

AU - Pierre Auger Collaboration

PY - 2016/10/3

Y1 - 2016/10/3

N2 - We present a search for ultrarelativistic magnetic monopoles with the Pierre Auger observatory. Such particles, possibly a relic of phase transitions in the early Universe, would deposit a large amount of energy along their path through the atmosphere, comparable to that of ultrahigh-energy cosmic rays (UHECRs). The air-shower profile of a magnetic monopole can be effectively distinguished by the fluorescence detector from that of standard UHECRs. No candidate was found in the data collected between 2004 and 2012, with an expected background of less than 0.1 event from UHECRs. The corresponding 90% confidence level (C.L.) upper limits on the flux of ultrarelativistic magnetic monopoles range from 10(-1)9 (cm(2) sr s)(-1) for a Lorentz factor gamma = 10(9) to 2.5 x 10(-21) (cm(2) sr s)(-1) for gamma = 10(12). These results-the first obtained with a UHECR detector-improve previously published limits by up to an order of magnitude.

AB - We present a search for ultrarelativistic magnetic monopoles with the Pierre Auger observatory. Such particles, possibly a relic of phase transitions in the early Universe, would deposit a large amount of energy along their path through the atmosphere, comparable to that of ultrahigh-energy cosmic rays (UHECRs). The air-shower profile of a magnetic monopole can be effectively distinguished by the fluorescence detector from that of standard UHECRs. No candidate was found in the data collected between 2004 and 2012, with an expected background of less than 0.1 event from UHECRs. The corresponding 90% confidence level (C.L.) upper limits on the flux of ultrarelativistic magnetic monopoles range from 10(-1)9 (cm(2) sr s)(-1) for a Lorentz factor gamma = 10(9) to 2.5 x 10(-21) (cm(2) sr s)(-1) for gamma = 10(12). These results-the first obtained with a UHECR detector-improve previously published limits by up to an order of magnitude.

KW - FLUORESCENCE YIELD

KW - ENERGY-LOSS

KW - DETECTOR

KW - FLUX

U2 - 10.1103/PhysRevD.94.082002

DO - 10.1103/PhysRevD.94.082002

M3 - Article

SN - 2470-0010

VL - 94

JO - Physical Review D

JF - Physical Review D

IS - 8

M1 - 082002

ER -

Search for ultrarelativistic magnetic monopoles with the Pierre Auger observatory

Abstract

Keywords

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