High energy photon-neutrino interactions

Technical Report · Tue Jul 14 00:00:00 EDT 1998

DOI:https://doi.org/10.2172/639760· OSTI ID:639760

Abbasabadi, A ^[1]; Devoto, A ^[2]; Dicus, D A ^[3]; Repko, W W ^[4]

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1. Ferris State Univ., Big Rapids, MI (United States)
2. Univ. di Cagliari (France). Dipt. di Fisica
3. Univ. of Texas, Austin, TX (United States)
4. Michigan State Univ., East Lansing, MI (United States). Dept. of Physics and Astronomy

A general decomposition of the amplitudes for the 2 {r_arrow} 2 processes {gamma}{nu} {r_arrow} {gamma}{nu} and {gamma}{gamma} {r_arrow} {nu}{bar {nu}} is obtained using gauge invariance and Bose symmetry. The restrictions implied by this decomposition are investigated for the reaction {gamma}{gamma} {r_arrow} {nu}{bar {nu}} by computing the one-loop helicity amplitudes in the standard model. In the center of mass, where {radical}s = 2{omega}, the cross section grows roughly as {omega}{sup 6} up to the threshold for W-boson production, {radical}s = 2m{sub W}. Astrophysical implications of very high energy photon-neutrino interactions are discussed.

• Research Organization: Univ. of Texas, Austin, TX (United States)
• Sponsoring Organization: USDOE Office of Energy Research, Washington, DC (United States)
• DOE Contract Number: FG03-93ER40757
• OSTI ID: 639760
• Report Number(s): DOE/ER/40757-113; UTEXAS-HEP-98-10; MSUHEP-80715; ON: DE98007324; TRN: 98:007890
• Resource Relation: Other Information: PBD: 14 Jul 1998
• Country of Publication: United States
• Language: English

Related Subjects

66 PHYSICS
PHOTON-NEUTRINO INTERACTIONS
PHOTON-PHOTON INTERACTIONS
GAUGE INVARIANCE
W MINUS BOSONS
W PLUS BOSONS
ASTROPHYSICS
NEUTRINOS
ANTINEUTRINOS