Publications [#308248] of Ashutosh V. Kotwal

Papers Published
  1. Abachi, S; Abbott, B; Abolins, M; Acharya, BS; Adam, I; Adams, DL; Adams, M; Ahn, S; Aihara, H; Álvarez, G; Alves, GA; Amidi, E; Amos, N; Anderson, EW; Aronson, SH; Astur, R; Baarmand, MM; Baden, A; Balamurali, V; Balderston, J; Baldin, B; Banerjee, S; Bantly, J; Bartlett, JF; Bazizi, K; Belyaev, A; Bendich, J; Beri, SB; Bertram, I; Bezzubov, VA; Bhat, PC; Bhatnagar, V; Bhattacharjee, M; Bischoff, A; Biswas, N; Blazey, G; Blessing, S; Bloom, P; Boehnlein, A; Bojko, NI; Borcherding, F et al., Search for diphoton events with large missing transverse energy in pp̄ collisions at √s = 1.8 TeV, Physical Review Letters, vol. 78 no. 11 (1997), pp. 2070-2074 .

    A search for new physics has been carried out in the channel pp̄ → γγ + ET, as expected in various supersymmetric models. We require two photons with transverse energy ET > 12 GeV and pseudorapidity |ηγ < 1.1. The distribution of missing transverse energy (ET) is consistent with background and no events have ET > 25 GeV. We set limits on production cross sections for selectron, sneutrino, and neutralino pairs, decaying into photons, which range from about 400 fb to 1 pb depending on the sparticle masses. A general limit of 185 fb (95% C.L.) is set on σ(pp̄ → γγET + X), where ETγ > 12 GeV, |ηγ| < 1.1, and ET > 25 GeV.