First results from RHIC-PHENIX
Tarun Kanti Ghosh K Adcox S S Adler N Ajitanand Y Akiba J Alexander L Aphecetche Y Arai S H Aronson R Averbeck T C Awes K N Barish P D Barnes J Barrette B Bassalleck S Bathe V Baublis A Bazilevsky S Belikov F G Bellaiche S T Belyaev M J Bennett Y Berdnikov S Botelho M L Brooks D S Brown N Bruner D Bucher H Buesching V Bumazhnov G Bunce J Burward-Hoy S Butsyk T A Carey P Chand J Chang W C Chang L L Chavez S Chernichenko C Y Chi J Chiba M Chiu R K Choudhury T Christ T Chujo M S Chung P Chung V Cianciolo B A Cole D G D’Enterria G David H Delagrange A Denisov A Deshpande E J Desmond O Dietzsch B V Dinesh A Drees A Durum D Dutta K Ebisu Y V Efremenko K El Chenawi H En’yo S Esumi L Ewell T Ferdousi D E Fields S L Fokin Z Fraenkel A Franz A D Frawley S-Y Fung S Garpman T K Ghosh A Glenn A L Godoi Y Goto S V Greene M Grosse Perdekamp S K Gupta W Guryn H-Å Gustafsson J S Haggerty H Hamagaki A G Hansen H Hara E P Hartouni R Hayano N Hayashi X He T K Hemmick J Heuser J C Hill D S Ho K Homma B Hong A Hoover T Ichihara K Imai M S Ippolitov M Ishihara B V Jacak W Y Jang J Jia B M Johnson S C Johnson K S Joo S Kametani J H Kang M Kann S S Kapoor S Kelly B Khachaturov A Khanzadeev J Kikuchi D J Kim H J Kim S Y Kim Y G Kim W W Kinnison E Kistenev A Kiyomichi C Klein-Boesing S Klinksiek L Kochenda D Kochetkov V Kochetkov D Koehler T Kohama A Kozlov P J Kroon K Kurita M J Kweon Y Kwon G S Kyle R Lacey J G Lajoie J Lauret A Lebedev D M Lee M J Leitch X H Li Z Li D J Lim M X Liu X Liu Z Liu C F Maguire J Mahon Y I Makdisi V I Manko Y Mao S K Mark S Markacs G Martinez M D Marx A Masaike F Matathias T Matsumoto P L McGaughey E Melnikov M Merschmeier F Messer M Messer Y Miake T E Miller A Milov S Mioduszewski R E Mischke G C Mishra J T Mitchell A K Mohanty D P Morrison J M Moss F Mühlbacher M Muniruzzaman J Murata S Nagamiya Y Nagasaka J L Nagle Y Nakada B K Nandi J Newby L Nikkinen P Nilsson S Nishimura A S Nyanin J Nystrand E O’Brien C A Ogilvie H Ohnishi I D Ojha M Ono V Onuchin A Oskarsson L Österman I Otterlund K Oyama L Paffrath A P T Palounek V S Pantuev V Papavassiliou S F Pate T Peitzmann A N Petridis C Pinkenburg R P Pisani P Pitukhin F Plasil M Pollack K Pope M L Purschke I Ravinovich K F Read K Reygers V Riabov Y Riabov M Rosati A A Rose S S Ryu N Saito A Sakaguchi T Sakaguchi H Sako T Sakuma V Samsonov T C Sangster R Santo H D Sato S Sato S Sawada B R Schlei Y Schutz V Semenov R Seto T K Shea I Shein T-A Shibata K Shigaki T Shiina Y H Shin I G Sibiriak D Silvermyr K S Sim J Simon-Gillo C P Singh V Singh M Sivertz A Soldatov R A Soltz S Sorensen P W Stankus N Starinsky P Steinberg E Stenlund A Ster S P Stoll M Sugioka T Sugitate J P Sullivan Y Sumi Z Sun M Suzuki E M Takagui A Taketani M Tamai K H Tanaka Y Tanaka E Taniguchi M J Tannenbaum J Thomas J H Thomas T L Thomas W Tian J Tojo H Torii R S Towell I Tserruya H Tsuruoka A A Tsvetkov S K Tuli H Tydesjö N Tyurin T Ushiroda H W van Hecke C Velissaris J Velkovska M Velkovsky A A Vinogradov M A Volkov A Vorobyov E Vznuzdaev H Wang Y Watanabe S N White C Witzig F K Wohn C L Woody W Xie K Yagi S Yokkaichi G R Young I E Yushmanov W A Zajc Z Zhang S Zhou
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The PHENIX experiment consists of a large detector system located at the newly commissioned relativistic heavy ion collider (RHIC) at the Brookhaven National Laboratory. The primary goal of the PHENIX experiment is to look for signatures of the QCD prediction of a deconfined high-energy-density phase of nuclear matter quark gluon plasma. PHENIX started data taking for Au+Au collisions at √sNN=130 GeV in June 2000. The signals from the beam-beam counter (BBC) and zero degree calorimeter (ZDC) are used to determine the centrality of the collision. A Glauber model reproduces the ZDC spectrum reasonably well to determine the participants in a collision. Charged particle multiplicity distribution from the first PHENIX paper is compared with the other RHIC experiment and the CERN, SPS results. Transverse momentum of photons are measured in the electro-magnetic calorimeter (EMCal) and preliminary results are presented. Particle identification is made by a time of flight (TOF) detector and the results show clear separation of the charged hadrons from each other.
Tarun Kanti Ghosh1 K Adcox1 S S Adler2 N Ajitanand3 Y Akiba4 J Alexander3 L Aphecetche5 Y Arai4 S H Aronson2 R Averbeck6 T C Awes7 K N Barish8 P D Barnes9 J Barrette10 B Bassalleck11 S Bathe12 V Baublis13 A Bazilevsky14 15 S Belikov14 16 F G Bellaiche7 S T Belyaev17 M J Bennett9 Y Berdnikov18 S Botelho19 M L Brooks9 D S Brown20 N Bruner11 D Bucher12 H Buesching12 V Bumazhnov14 G Bunce15 2 J Burward-Hoy6 S Butsyk13 6 T A Carey9 P Chand21 J Chang8 W C Chang22 L L Chavez11 S Chernichenko14 C Y Chi23 24 J Chiba4 M Chiu23 24 R K Choudhury21 T Christ6 T Chujo2 25 M S Chung26 9 P Chung3 V Cianciolo7 B A Cole23 24 D G D’Enterria5 G David2 H Delagrange5 A Denisov14 A Deshpande15 E J Desmond2 O Dietzsch19 B V Dinesh21 A Drees6 A Durum14 D Dutta21 K Ebisu27 Y V Efremenko7 K El Chenawi1 H En’yo28 29 S Esumi25 L Ewell2 T Ferdousi8 D E Fields11 S L Fokin17 Z Fraenkel30 A Franz2 A D Frawley31 S-Y Fung8 S Garpman32 T K Ghosh1 A Glenn33 A L Godoi19 Y Goto15 S V Greene1 M Grosse Perdekamp15 S K Gupta21 W Guryn2 H-Å Gustafsson32 J S Haggerty2 H Hamagaki34 A G Hansen9 H Hara27 E P Hartouni35 R Hayano36 N Hayashi29 X He37 T K Hemmick6 J Heuser6 J C Hill16 D S Ho38 K Homma39 B Hong26 A Hoover20 T Ichihara15 29 K Imai28 29 M S Ippolitov17 M Ishihara15 29 B V Jacak15 6 W Y Jang26 J Jia6 B M Johnson2 S C Johnson35 6 K S Joo40 S Kametani41 J H Kang38 M Kann13 S S Kapoor21 S Kelly23 24 B Khachaturov30 A Khanzadeev13 J Kikuchi41 D J Kim38 H J Kim38 S Y Kim38 Y G Kim38 W W Kinnison9 E Kistenev2 A Kiyomichi25 C Klein-Boesing12 S Klinksiek11 L Kochenda13 D Kochetkov8 V Kochetkov14 D Koehler11 T Kohama39 A Kozlov30 P J Kroon2 K Kurita15 29 M J Kweon26 Y Kwon38 G S Kyle20 R Lacey3 J G Lajoie16 J Lauret3 A Lebedev16 D M Lee9 M J Leitch9 X H Li8 Z Li29 42 D J Lim38 M X Liu9 X Liu42 Z Liu42 C F Maguire1 J Mahon2 Y I Makdisi2 V I Manko17 Y Mao29 42 S K Mark10 S Markacs23 24 G Martinez5 M D Marx6 A Masaike28 F Matathias6 T Matsumoto34 41 P L McGaughey9 E Melnikov14 M Merschmeier12 F Messer6 M Messer2 Y Miake25 T E Miller1 A Milov30 S Mioduszewski2 33 R E Mischke9 G C Mishra37 J T Mitchell2 A K Mohanty21 D P Morrison2 J M Moss9 F Mühlbacher6 M Muniruzzaman8 J Murata29 S Nagamiya4 Y Nagasaka27 J L Nagle23 24 Y Nakada28 B K Nandi8 J Newby33 L Nikkinen10 P Nilsson32 S Nishimura34 A S Nyanin17 J Nystrand32 E O’Brien2 C A Ogilvie16 H Ohnishi2 39 I D Ojha1 43 M Ono25 V Onuchin14 A Oskarsson32 L Österman32 I Otterlund32 K Oyama34 36 L Paffrath2 A P T Palounek9 V S Pantuev6 V Papavassiliou20 S F Pate20 T Peitzmann12 A N Petridis16 C Pinkenburg2 3 R P Pisani2 P Pitukhin14 F Plasil7 M Pollack33 6 K Pope33 M L Purschke2 I Ravinovich30 K F Read33 7 K Reygers12 V Riabov13 18 Y Riabov13 M Rosati16 A A Rose1 S S Ryu38 N Saito15 29 A Sakaguchi39 T Sakaguchi34 41 H Sako25 T Sakuma29 44 V Samsonov13 T C Sangster35 R Santo12 H D Sato28 29 S Sato25 S Sawada4 B R Schlei9 Y Schutz5 V Semenov14 R Seto8 T K Shea2 I Shein14 T-A Shibata29 44 K Shigaki4 T Shiina9 Y H Shin38 I G Sibiriak17 D Silvermyr32 K S Sim26 J Simon-Gillo9 C P Singh43 V Singh43 M Sivertz2 A Soldatov14 R A Soltz35 S Sorensen33 7 P W Stankus7 N Starinsky10 P Steinberg23 24 E Stenlund32 A Ster45 S P Stoll2 M Sugioka29 44 T Sugitate39 J P Sullivan9 Y Sumi39 Z Sun42 M Suzuki25 E M Takagui19 A Taketani29 M Tamai41 K H Tanaka4 Y Tanaka27 E Taniguchi29 44 M J Tannenbaum2 J Thomas6 J H Thomas35 T L Thomas11 W Tian33 42 J Tojo28 29 H Torii28 29 R S Towell9 I Tserruya30 H Tsuruoka25 A A Tsvetkov17 S K Tuli43 H Tydesjö7 N Tyurin14 T Ushiroda27 H W van Hecke9 C Velissaris20 J Velkovska6 M Velkovsky6 A A Vinogradov17 M A Volkov17 A Vorobyov13 E Vznuzdaev13 H Wang8 Y Watanabe15 29 S N White2 C Witzig2 F K Wohn16 C L Woody2 W Xie30 8 K Yagi25 S Yokkaichi29 G R Young7 I E Yushmanov17 W A Zajc23 24 Z Zhang6 S Zhou42
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