FYI ------------------------------------------------------ Flemming Videbaek Physics Department Brookhaven National Laboratory tlf: 631-344-4106 fax 631-344-1334 e-mail: videbaek@bnl.gov ----- Original Message ----- From: "William A. Zajc" <zajc@columbia.edu> To: "Thomas Kirk" <tkirk@bnl.gov>; "Wit Busza" <busza@mit.edu>; "John. Harris@Yale. Edu" <john.harris@yale.edu>; "Flemming Videbaek" <videbaek@bnl.gov> Cc: "Mark Baker" <Mark.Baker@bnl.gov> Sent: Tuesday, January 29, 2002 4:43 PM Subject: New PHENIX paper on inclusive electron spectrum and charm > Dear Colleagues: > > I am pleased to announce that a manuscript on our single-electron spectrum > from Run-1 and its implications for charm yields will be submitted in one week > to Physical Review Letters. The data and figures are precisely those > shown in Yasuyuki Akiba's recent seminar at BNL. Please > find the title and abstract below. > > Best regards, > > Bill > > ============================================================================ ====== > > > \title{Measurement of single electrons and > implications for charm production > in Au+Au collisions at $\sqrt{s_{_{NN}}}$~=~130~GeV } > > \begin{abstract} > > Transverse momentum spectra of electrons from Au+Au collisions > at $\sqrt{s_{_{NN}}} = 130$~GeV have been measured by the PHENIX experiment > at RHIC. The spectra show an excess above the background from photon > conversions and light hadron decays. The electron signal is consistent > with that expected from semi-leptonic decays of charm. > The yield of the electron signal $dN_e/dy$ for $p_T > 0.8$~GeV/c > is $0.025\pm0.004$(stat.)$\pm0.010$(sys.) in central collisions, and > the corresponding charm cross section is $380\pm60$(stat.)$\pm200$(sys.)~$\mu$b > per binary nucleon-nucleon collision > \end{abstract} >
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