Home > Research > Publications & Outputs > Ultra-high energy cosmic rays, cosmological con...

Research

Electronic data

  • PhysRevLett

    Rights statement: © 2003 The American Physical Society

    Final published version, 89.4 KB, PDF document

Links

Text available via DOI:

View graph of relations

Ultra-high energy cosmic rays, cosmological constant, and $θ$-vacua

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Published

Standard

Ultra-high energy cosmic rays, cosmological constant, and $θ$-vacua. / Jaikumar, Prashanth; Mazumdar, Anupam.
In: Physical review letters, Vol. 90, No. 19, 191301, 13.01.2003.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Jaikumar, P & Mazumdar, A 2003, 'Ultra-high energy cosmic rays, cosmological constant, and $θ$-vacua', Physical review letters, vol. 90, no. 19, 191301. https://doi.org/10.1103/PhysRevLett.90.191301

APA

Jaikumar, P., & Mazumdar, A. (2003). Ultra-high energy cosmic rays, cosmological constant, and $θ$-vacua. Physical review letters, 90(19), Article 191301. https://doi.org/10.1103/PhysRevLett.90.191301

Vancouver

Jaikumar P, Mazumdar A. Ultra-high energy cosmic rays, cosmological constant, and $θ$-vacua. Physical review letters. 2003 Jan 13;90(19):191301. doi: 10.1103/PhysRevLett.90.191301

Author

Jaikumar, Prashanth ; Mazumdar, Anupam. / Ultra-high energy cosmic rays, cosmological constant, and $θ$-vacua. In: Physical review letters. 2003 ; Vol. 90, No. 19.

Bibtex

@article{e99ab1ee1361497191b3432c3661d94f,
title = "Ultra-high energy cosmic rays, cosmological constant, and $θ$-vacua",
abstract = "We propose that the origin of ultra-high energy cosmic rays beyond the GZK cutoff and the origin of small cosmological constant can both be explained by vacuum tunneling effects in a theory with degenerate vacua and fermionic doublets. By considering the possibility of tunneling from a particular winding number state, accompanied by violation of some global quantum number of fermions, the small value of the vacuum dark energy and the production of high energy cosmic rays are shown to be related. We predict that the energy of such cosmic rays should be at least $5\times 10^{14}$ GeV.",
author = "Prashanth Jaikumar and Anupam Mazumdar",
note = "ReVTeX, 4 pages, reference added. This version to appear in Phys. Rev. Lett",
year = "2003",
month = jan,
day = "13",
doi = "10.1103/PhysRevLett.90.191301",
language = "English",
volume = "90",
journal = "Physical review letters",
issn = "1079-7114",
publisher = "American Physical Society",
number = "19",

}

RIS

TY - JOUR

T1 - Ultra-high energy cosmic rays, cosmological constant, and $θ$-vacua

AU - Jaikumar, Prashanth

AU - Mazumdar, Anupam

N1 - ReVTeX, 4 pages, reference added. This version to appear in Phys. Rev. Lett

PY - 2003/1/13

Y1 - 2003/1/13

N2 - We propose that the origin of ultra-high energy cosmic rays beyond the GZK cutoff and the origin of small cosmological constant can both be explained by vacuum tunneling effects in a theory with degenerate vacua and fermionic doublets. By considering the possibility of tunneling from a particular winding number state, accompanied by violation of some global quantum number of fermions, the small value of the vacuum dark energy and the production of high energy cosmic rays are shown to be related. We predict that the energy of such cosmic rays should be at least $5\times 10^{14}$ GeV.

AB - We propose that the origin of ultra-high energy cosmic rays beyond the GZK cutoff and the origin of small cosmological constant can both be explained by vacuum tunneling effects in a theory with degenerate vacua and fermionic doublets. By considering the possibility of tunneling from a particular winding number state, accompanied by violation of some global quantum number of fermions, the small value of the vacuum dark energy and the production of high energy cosmic rays are shown to be related. We predict that the energy of such cosmic rays should be at least $5\times 10^{14}$ GeV.

U2 - 10.1103/PhysRevLett.90.191301

DO - 10.1103/PhysRevLett.90.191301

M3 - Journal article

VL - 90

JO - Physical review letters

JF - Physical review letters

SN - 1079-7114

IS - 19

M1 - 191301

ER -