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K*(892) resonance production in gold+gold and proton+proton collisions at sqrt(s) = 200 GeV at the relativistic heavy ion collider

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	K*(892) resonance production in gold+gold and proton+proton collisions at sqrt(s) = 200 GeV at the relativistic heavy ion collider
作者:	Zhang, Haibin.
面頁冊數:	131 p.
附註:	Director: Jack Sandweiss.
附註:	Source: Dissertation Abstracts International, Volume: 65-03, Section: B, page: 1384.
Contained By:	Dissertation Abstracts International65-03B.
標題:	Physics, Nuclear.
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3125339
ISBN:	0496726293

K*(892) resonance production in gold+gold and proton+proton collisions at sqrt(s) = 200 GeV at the relativistic heavy ion collider
Zhang, Haibin.

K*(892) resonance production in gold+gold and proton+proton collisions at sqrt(s) = 200 GeV at the relativistic heavy ion collider [electronic resource] - 131 p.

Director: Jack Sandweiss.

Thesis (Ph.D.)--Yale University, 2004.

The Relativistic Heavy Ion Collider (RHIC) makes it possible to study high density nuclear matter under extreme conditions. Hadronic resonance states have extremely short lifetimes (few fm/c) which are comparable to the lifetime of the hot dense matter in ultra-relativistic heavy ion collisions. K*(892), as a vector meson resonance, is a unique tool to probe various properties of the hot dense matter. Measurements of K*(892) production in Au+Au and p+p collisions at sNN = 200GeV are addressed in this thesis.

ISBN: 0496726293Subjects--Topical Terms:

227654
Physics, Nuclear.

K*(892) resonance production in gold+gold and proton+proton collisions at sqrt(s) = 200 GeV at the relativistic heavy ion collider
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520 # $a The Relativistic Heavy Ion Collider (RHIC) makes it possible to study high density nuclear matter under extreme conditions. Hadronic resonance states have extremely short lifetimes (few fm/c) which are comparable to the lifetime of the hot dense matter in ultra-relativistic heavy ion collisions. K*(892), as a vector meson resonance, is a unique tool to probe various properties of the hot dense matter. Measurements of K*(892) production in Au+Au and p+p collisions at sNN = 200GeV are addressed in this thesis.
520 # $a The hadronic decay channels of K*0(892) → Kpi and K*+/-(892) → K0Sp+/- are studied using the STAR detector at RHIC in Brookhaven National Laboratory. Collision data were taken during the RHIC runs of 2001 and 2002. K*0 and K*+/- signals are reconstructed using the event-mixing technique. K* 0 mass shift as a function of transverse momentum is studied in both Au+Au and p+p collisions. The mid-rapidity (|y| < 0.5) K*0 and K*+/- yields and inverse slope parameters are measured in pp and Au+Au data with various collision centralities. K*0 mean transverse momentum distributions for different collision centralities are discussed. The K*/K ratios in Au+Au collisions are found to be significantly lower than the ratio in pp collisions. K*/K and &phis;/K* ratios are compared to different collision systems with various collision energies. The nuclear modification factor (RAA) of K* at the intermediate pT is similar to the K0S RCP and different from the Λ RCP. Results on K*0 elliptic flow in Au+Au collisions are addressed. Physics implications of these measurements are discussed in this thesis.
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