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Featured researches published by J. Berger.


Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 2000

The STAR level-3 trigger system

C. Adler; J. Berger; M. DeMello; T. Dietel; D. Flierl; J. M. Landgraf; J. S. Lange; M. J. Levine; A. Ljubicic; J. M. Nelson; Dieter Roehrich; R. Stock; C. Struck; P. Yepes

Abstract The STAR Level-3 trigger issues a trigger decision upon a complete online reconstruction of Au+Au collisions at relativistic heavy ion collider energies. Central interactions are processed up to a rate of 50 s −1 including a simple analysis of physics observables. The setup of the processor farm and the event reconstruction as well as experiences and the proposed trigger algorithms are described.


Physical Review Letters | 2001

Identified particle elliptic flow in √sNN = 130 GeV

C. Adler; Z. Ahammed; C. Allgower; J. Amonett; B. D. Anderson; M. Anderson; G. S. Averichev; J. Balewski; O. Barannikova; L. S. Barnby; J. Baudot; S. Bekele; V. V. Belaga; R. Bellwied; J. Berger; H. Bichsel; L. C. Bland; C. O. Blyth; B. E. Bonner; R. Bossingham; A. Boucham; A. V. Brandin; R. V. Cadman; H. Caines; M. Calderón de la Barca Sánchez; A. Cardenas; J. Carroll; Jimena del Castillo; M. Castro; D. Cebra

We report first results on elliptic flow of identified particles at mid-rapidity in Au+Au collisions at


Archive | 2010

Pion interferometry in Au+Au collisions at v sNN = 200 GeV

J. Adams; M. M. Aggarwal; Z. Ahammed; J. Amonett; Brian Anderson; D. Arkhipkin; G. S. Averichev; S.K. Badyal; Y. Bai; J. Balewski; L. S. Barnby; J. Baudot; S. Bekele; V. V. Belaga; R. Bellwied; J. Berger; B. I. Bezverkhny; S. Bharadwaj; A. Bhasin; A. K. Bhati; V.S. Bhatia; H. Bichsel; A. Billmeier; L. C. Bland; C. O. Blyth; B. E. Bonner; M. Botje; A. Boucham; A. V. Brandin; A. Bravar

\sqrt{s_{_{NN}}}=130


Archive | 2010

Transverse-momentum pt correlations on (?, f) from mean-pt fluctuations in Au-Au collisions

J. Adams; M. M. Aggarwal; Z. Ahammed; J. Amonett; Brian Anderson; D. Arkhipkin; G. S. Averichev; S.K. Badyal; L. S. Barnby; J. Baudot; V. V. Belaga; A. Bellingeri-Laurikainen; R. Bellwied; J. Berger; B. I. Bezverkhny; A. Bhasin; V.S. Bhatia; H. Bichsel; J. Bielcik; J. Bielcikova; A. Billmeier; L. C. Bland; A. Boucham; J. Bouchet; H. Caines; Matthew E. Calder; J. Alvarez Castillo; D. Cebra; S. Chattopadhyay; How-Foo Chen

GeV using the STAR TPC at RHIC. The elliptic flow as a function of transverse momentum and centrality differs significantly for particles of different masses. This dependence can be accounted for in hydrodynamic models, indicating that the system created shows a behavior consistent with collective hydrodynamical flow. The fit to the data with a simple model gives information on the temperature and flow velocities at freeze-out.


Archive | 2005

Azimuthal anisotropy in Au+Au collisions at v sNN = 200 GeV

J. Adams; M. M. Aggarwal; Z. Ahammed; J. Amonett; Brian Anderson; D. Arkhipkin; G. S. Averichev; S.K. Badyal; Y. Bai; J. Balewski; L. S. Barnby; J. Baudot; S. Bekele; V. V. Belaga; R. Bellwied; J. Berger; B. I. Bezverkhny; S. Bharadwaj; A. Bhasin; A. K. Bhati; V.S. Bhatia; H. Bichsel; J. Bielcik; J. Bielcikova; A. Billmeier; L. C. Bland; C. O. Blyth; B. E. Bonner; M. Botje; A. Boucham


European Physical Journal C | 2005

Neutral pion production in d-Au collisions at GeV

A. Mischke; James H. Adams; Z. Ahammed; J. Amonett; D. Arkhipkin; J. Balewski; O. Barannikova; J. Baudot; S. Bekele; A. Bellingeri-Laurikainen; R. Bellwied; J. Berger; Shrikant R. Bharadwaj; A. Bhasin; H. Bichsel; Jaroslav Bielcik; J. Bielcikova; A. Billmeier; S. L. Blyth; Michiel Botje; A. Boucham; J. Bouchet; A. Bravar; M. Bystersky; H. Caines; Jose Luis del Castillo; Oana Catu; D. Cebra; Z. Chajecki; P. Chaloupka

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H. Bichsel

University of Washington

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Z. Ahammed

Variable Energy Cyclotron Centre

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D. Arkhipkin

Brookhaven National Laboratory

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J. Balewski

Indiana University Bloomington

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L. C. Bland

Indiana University Bloomington

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S. Bekele

Ohio State University

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