Dielectron mass spectra from Au+Au collisions at sNN =200 GeV
dc.creator | Adamczyk, L | |
dc.creator | Adkins, JK | |
dc.creator | Agakishiev, G | |
dc.creator | Aggarwal, MM | |
dc.creator | Ahammed, Z | |
dc.creator | Alekseev, I | |
dc.creator | Alford, J | |
dc.creator | Anson, CD | |
dc.creator | Aparin, A | |
dc.creator | Arkhipkin, D | |
dc.creator | Aschenauer, EC | |
dc.creator | Averichev, GS | |
dc.creator | Banerjee, A | |
dc.creator | Barnovska, Z | |
dc.creator | Beavis, DR | |
dc.creator | Bellwied, R | |
dc.creator | Bhasin, A | |
dc.creator | Bhati, AK | |
dc.creator | Bhattarai, P | |
dc.creator | Bichsel, H | |
dc.creator | Bielcik, J | |
dc.creator | Bielcikova, J | |
dc.creator | Bland, LC | |
dc.creator | Bordyuzhin, IG | |
dc.creator | Borowski, W | |
dc.creator | Bouchet, J | |
dc.creator | Brandin, AV | |
dc.creator | Brovko, SG | |
dc.creator | Bültmann, S | |
dc.creator | Bunzarov, I | |
dc.creator | Burton, TP | |
dc.creator | Butterworth, J | |
dc.creator | Caines, H | |
dc.creator | Calderón De La Barca Sánchez, M | |
dc.creator | Cebra, D | |
dc.creator | Cendejas, R | |
dc.creator | Cervantes, MC | |
dc.creator | Chaloupka, P | |
dc.creator | Chang, Z | |
dc.creator | Chattopadhyay, S | |
dc.creator | Chen, HF | |
dc.creator | Chen, JH | |
dc.creator | Chen, L | |
dc.creator | Cheng, J | |
dc.creator | Cherney, M | |
dc.creator | Chikanian, A | |
dc.creator | Christie, W | |
dc.creator | Chwastowski, J | |
dc.creator | Codrington, MJM | |
dc.creator | Cramer, JG | |
dc.creator | Crawford, HJ | |
dc.creator | Cui, X | |
dc.creator | Das, S | |
dc.creator | Davila Leyva, A | |
dc.creator | De Silva, LC | |
dc.creator | Debbe, RR | |
dc.creator | Dedovich, TG | |
dc.creator | Deng, J | |
dc.creator | Derevschikov, AA | |
dc.creator | Derradi De Souza, R | |
dc.creator | Dhamija, S | |
dc.creator | Di Ruzza, B | |
dc.creator | Didenko, L | |
dc.creator | Dilks, C | |
dc.creator | Ding, F | |
dc.creator | Djawotho, P | |
dc.creator | Dong, X | |
dc.creator | Drachenberg, JL | |
dc.creator | Draper, JE | |
dc.creator | Du, CM | |
dc.creator | Dunkelberger, LE | |
dc.creator | Dunlop, JC | |
dc.creator | Efimov, LG | |
dc.creator | Engelage, J | |
dc.creator | Engle, KS | |
dc.creator | Eppley, G | |
dc.creator | Eun, L | |
dc.creator | Evdokimov, O | |
dc.creator | Fatemi, R | |
dc.creator | Fazio, S | |
dc.creator | Fedorisin, J | |
dc.creator | Filip, P | |
dc.creator | Finch, E | |
dc.creator | Fisyak, Y | |
dc.creator | Flores, CE | |
dc.creator | Gagliardi, CA | |
dc.creator | Gangadharan, DR | |
dc.creator | Garand, D | |
dc.creator | Geurts, F | |
dc.creator | Gibson, A | |
dc.creator | Girard, M | |
dc.creator | Gliske, S | |
dc.creator | Grosnick, D | |
dc.creator | Guo, Y | |
dc.creator | Gupta, A | |
dc.creator | Gupta, S | |
dc.creator | Guryn, W | |
dc.creator | Haag, B | |
dc.creator | Hajkova, O | |
dc.creator | Hamed, A | |
dc.date.accessioned | 2021-02-03T18:55:43Z | |
dc.date.available | 2021-02-03T18:55:43Z | |
dc.date.issued | 2014-07-09 | |
dc.identifier.issn | 0031-9007 | |
dc.identifier.issn | 1079-7114 | |
dc.identifier.doi | http://dx.doi.org/10.34944/dspace/5856 | |
dc.identifier.other | AK9JM (isidoc) | |
dc.identifier.uri | http://hdl.handle.net/20.500.12613/5874 | |
dc.description.abstract | We report the STAR measurements of dielectron (e+e-) production at midrapidity (|yee|<1) in Au+Au collisions at sNN=200GeV. The measurements are evaluated in different invariant mass regions with a focus on 0.30-0.76 (ρ-like), 0.76-0.80 (ω-like), and 0.98-1.05 (φ-like) GeV/c2. The spectrum in the ω-like and φ-like regions can be well described by the hadronic cocktail simulation. In the ρ-like region, however, the vacuum ρ spectral function cannot describe the shape of the dielectron excess. In this range, an enhancement of 1.77±0.11(stat)±0.24(syst)±0. 33(cocktail) is determined with respect to the hadronic cocktail simulation that excludes the ρ meson. The excess yield in the ρ-like region increases with the number of collision participants faster than the ω and φ yields. Theoretical models with broadened ρ contributions through interactions with constituents in the hot QCD medium provide a consistent description of the dilepton mass spectra for the measurement presented here and the earlier data at the Super Proton Synchrotron energies. © 2014 American Physical Society. | |
dc.format.extent | 022301- | |
dc.language.iso | en | |
dc.relation.haspart | Physical Review Letters | |
dc.relation.isreferencedby | American Physical Society (APS) | |
dc.subject | STAR Collaboration | |
dc.title | Dielectron mass spectra from Au+Au collisions at sNN =200 GeV | |
dc.type | Article | |
dc.type.genre | Journal Article | |
dc.relation.doi | 10.1103/PhysRevLett.113.022301 | |
dc.ada.note | For Americans with Disabilities Act (ADA) accommodation, including help with reading this content, please contact scholarshare@temple.edu | |
dc.date.updated | 2021-02-03T18:55:38Z | |
refterms.dateFOA | 2021-02-03T18:55:43Z |