R. R. Betts

Publication List Details

Period

1931 - 2009

Number

80

Co-Authors

System-Size Independence of Directed Flow Measured at the BNL Relativistic Heavy-Ion Collider (2008)

Abelev, B. I., Aggarwal, M. M., Ahammed, Z., Anderson, B. D., Arkhipkin, D., Averichev, G. S., ...

We measure directed flow (ν_1) for charged particles in Au+Au and Cu+Cu collisions at √S_(NN)=200 and 62.4 GeV, as a function of pseudorapidity (η), transverse momentum (p_t), and collision...

Beam-Energy and System-Size Dependence of Dynamical Net Charge Fluctuations (2008)

Abelev, B. I., Aggarwal, M. M., Ahammed, Z., Anderson, B. D., Arkhipkin, D., Averichev, G. S., ...

We present measurements of net charge fluctuations in $Au + Au$ collisions at $\sqrt{s_{NN}} = $ 19.6, 62.4, 130, and 200 GeV, $Cu + Cu$ collisions at $\sqrt{s_{NN}} = $ 62.4, 200 GeV, and $p + p$...

Particle production at very low transverse momenta in Au+Au collisions at sqrt[SNN]=200 GeV (2004)

Back, B. B., Baker, M. D., Ballintijn, M., Barton, D. S., Betts, R. R., Bickley, A. A., ...

We present results on charged particle production at very low transverse momenta in the 15% most central Au+Au collisions at sqrt[sNN]=200 GeV obtained with the PHOBOS detector at the Relativistic...

Rapidity and kT dependence of HBT correlations in Au+Au collisions at 200 GeV with PHOBOS (2004)

Holzman, B., Back, B. B., Baker, M. D., Ballintijn, M., Barton, D. S., Betts, R. R., ...

Two-particle correlations of identical charged pion pairs from Au+Au collisions at sqrt[SNN]=200 GeV were measured by the PHOBOS experiment at RHIC. Data for the most central (0–15%) events...

Strange hadron production at low transverse momenta (2004)

Veres, G. I., Back, B. B., Baker, M. D., Ballintijn, M., Barton, D. S., Becker, B., ...

Some of the latest results of the PHOBOS experiment from the sqrt[SNN]=200 GeV Au+Au data are discussed. Those relevant to strangeness production are emphasized. These observations relate to the...

Identified hadron spectra from PHOBOS (2004)

Veres, G. I., Back, B. B., Baker, M. D., Ballintijn, M., Barton, D. S., Becker, B., ...

Transverse momentum spectra of pions, kaons and protons, as well as antiparticle to particle ratios near mid-rapidity from d+Au collisions at sqrt[SNN]=200 GeV have been measured by the PHOBOS...

Recent results from PHOBOS at RHIC (2004)

Back, B. B., Baker, M. D., Ballintijn, M., Barton, D. S., Becker, B., Betts, R. R., ...

PHOBOS is one of the four heavy ion experiments currently running at the Relativistic Heavy Ion Collider (RHIC). In this paper we will present some of the current results from PHOBOS: the study of...

Charged particle multiplicity fluctuations in Au+Au collisions at sqrt[SNN]=200 GeV (2004)

Wozniak, K., Back, B. B., Baker, M. D., Ballintijn, M., Barton, D. S., Betts, R. R., ...

This paper presents the first PHOBOS results on charged particle multiplicity fluctuations measured for Au+Au collisions at the highest RHIC energy within a wide pseudorapidity range of |η| <...

Pseudorapidity distribution of charged particles in d+Au collisions at sqrt[SNN]=200 GeV (2004)

Back, B. B., Baker, M. D., Ballintijn, M., Barton, D. S., Becker, B., Betts, R. R., ...

The measured pseudorapidity distribution of primary charged particles in minimum-bias d+Au collisions at sqrt[SNN]=200 GeV is presented for the first time. This distribution falls off less rapidly in...

Erratum: Recent results from PHOBOS at RHIC (2004)

Back, B. B., Baker, M. D., Barton, D. S., Betts, R. R., Ballintijn, M., Bickley, A. A., ...

Corrects an error in B. B. Back (et al.). (2003). Recent results from PHOBOS at RHIC. Nuclear Physics A 721. C227-C230. For the original article, see: http://dx.doi.org/10.1016/S0375-9474(03)01037-6

Pseudorapidity dependence of charged hadron transverse momentum spectra in d+Au collisions at sqrt[SNN]=200 GeV (2004)

Back, B. B., Baker, M. D., Ballintijn, M., Barton, D. S., Becker, B., Betts, R. R., ...

We have measured the transverse momentum distributions of charged hadrons in d+Au collisions at sqrt[SNN]=200 GeV in the range of 0.5 <pT<4.0 GeV/c. The total range of pseudorapidity, η,...

The landscape of particle production: Results from PHOBOS (2004)

Steinberg, P., Back, B. B., Baker, M. D., Ballintijn, M., Barton, D. S., Becker, B., ...

Recent results from the PHOBOS experiment at RHIC are presented, both from Au+Au collisions from the 2001 run and p+p and d+Au collisions from 2003. The centrality dependence of the total...

Pseudorapidity distributions of charged particles in d+Au and p+p collisions at sqrt[SNN]=200 GeV (2004)

Nouicer, R., Back, B. B., Baker, M. D., Ballintijn, M., Barton, D. S., Becker, B., ...

The measured pseudorapidity distributions of primary charged particles are presented for d+Au and p+p collisions at sqrt[SNN]= 200 GeV over a wide pseudorapidity range of |η|≤ 5.4. The...

Centrality dependence of charged antiparticle to particle ratios near midrapidity in d+Au collisions at sqrt[sNN]=200 GeV (2004)

Back, B. B., Baker, M. D., Ballintijn, M., Barton, D. S., Becker, B., Betts, R. R., ...

The ratios of the yields of charged antiparticles to particles have been obtained for pions, kaons, and protons near midrapidity for d+Au collisions at sqrt[sNN]=200 GeV as a function of centrality....

Collision geometry scaling of Au+Au pseudorapidity density from sqrt[SNN]=19.6 to 200 GeV (2004)

Back, B. B., Baker, M. D., Ballintijn, M., Barton, D. S., Betts, R. R., Bickley, A. A., ...

The centrality dependence of the midrapidity charged particle multiplicity in Au+Au heavy-ion collisions at sqrt[SNN]=19.6 and 200 GeV is presented. Within a simple model, the fraction of hard...

Flow in Au+Au collisions at RHIC (2004)

Tonjes, M. B., Back, B. B., Baker, M. D., Ballintijn, M., Barton, D. S., Betts, R. R., ...

The study of flow can provide information on the initial state dynamics and the degree of equilibration attained in heavy-ion collisions. This contribution presents results for both elliptic and...

Charged hadron transverse momentum distributions in Au + Au collisions at sqrt[SNN]=200 GeV (2004)

Back, B. B., Baker, M. D., Barton, D. S., Betts, R. R., Ballintijn, M., Bickley, A. A., ...

We present transverse momentum distributions of charged hadrons produced in Au + Au collisions at sqrt[SNN]=200 GeV. The spectra were measured for transverse momenta pT from 0.25 to 4.5 GeV/c in a...

Particle production at very low transverse momenta in Au+Au collisions at sqrt[SNN]=200 GeV (2004)

Back, B. B., Baker, M. D., Ballintijn, M., Barton, D. S., Betts, R. R., Bickley, A. A., ...

We present results on charged particle production at very low transverse momenta in the 15% most central Au+Au collisions at sqrt[sNN]=200 GeV obtained with the PHOBOS detector at the Relativistic...

Rapidity and kT dependence of HBT correlations in Au+Au collisions at 200 GeV with PHOBOS (2004)

Holzman, B., Back, B. B., Baker, M. D., Ballintijn, M., Barton, D. S., Betts, R. R., ...

Two-particle correlations of identical charged pion pairs from Au+Au collisions at sqrt[SNN]=200 GeV were measured by the PHOBOS experiment at RHIC. Data for the most central (0–15%) events...

Strange hadron production at low transverse momenta (2004)

Veres, G. I., Back, B. B., Baker, M. D., Ballintijn, M., Barton, D. S., Becker, B., ...

Some of the latest results of the PHOBOS experiment from the sqrt[SNN]=200 GeV Au+Au data are discussed. Those relevant to strangeness production are emphasized. These observations relate to the...

Identified hadron spectra from PHOBOS (2004)

Veres, G. I., Back, B. B., Baker, M. D., Ballintijn, M., Barton, D. S., Becker, B., ...

Transverse momentum spectra of pions, kaons and protons, as well as antiparticle to particle ratios near mid-rapidity from d+Au collisions at sqrt[SNN]=200 GeV have been measured by the PHOBOS...

Recent results from PHOBOS at RHIC (2004)

Back, B. B., Baker, M. D., Ballintijn, M., Barton, D. S., Becker, B., Betts, R. R., ...

PHOBOS is one of the four heavy ion experiments currently running at the Relativistic Heavy Ion Collider (RHIC). In this paper we will present some of the current results from PHOBOS: the study of...

Charged particle multiplicity fluctuations in Au+Au collisions at sqrt[SNN]=200 GeV (2004)

Wozniak, K., Back, B. B., Baker, M. D., Ballintijn, M., Barton, D. S., Betts, R. R., ...

This paper presents the first PHOBOS results on charged particle multiplicity fluctuations measured for Au+Au collisions at the highest RHIC energy within a wide pseudorapidity range of |η| <...

Pseudorapidity distribution of charged particles in d+Au collisions at sqrt[SNN]=200 GeV (2004)

Back, B. B., Baker, M. D., Ballintijn, M., Barton, D. S., Becker, B., Betts, R. R., ...

The measured pseudorapidity distribution of primary charged particles in minimum-bias d+Au collisions at sqrt[SNN]=200 GeV is presented for the first time. This distribution falls off less rapidly in...

Erratum: Recent results from PHOBOS at RHIC (2004)

Back, B. B., Baker, M. D., Barton, D. S., Betts, R. R., Ballintijn, M., Bickley, A. A., ...

Corrects an error in B. B. Back (et al.). (2003). Recent results from PHOBOS at RHIC. Nuclear Physics A 721. C227-C230. For the original article, see: http://dx.doi.org/10.1016/S0375-9474(03)01037-6

Pseudorapidity dependence of charged hadron transverse momentum spectra in d+Au collisions at sqrt[SNN]=200 GeV (2004)

Back, B. B., Baker, M. D., Ballintijn, M., Barton, D. S., Becker, B., Betts, R. R., ...

We have measured the transverse momentum distributions of charged hadrons in d+Au collisions at sqrt[SNN]=200 GeV in the range of 0.5 <pT<4.0 GeV/c. The total range of pseudorapidity, η,...

The landscape of particle production: Results from PHOBOS (2004)

Steinberg, P., Back, B. B., Baker, M. D., Ballintijn, M., Barton, D. S., Becker, B., ...

Recent results from the PHOBOS experiment at RHIC are presented, both from Au+Au collisions from the 2001 run and p+p and d+Au collisions from 2003. The centrality dependence of the total...

Pseudorapidity distributions of charged particles in d+Au and p+p collisions at sqrt[SNN]=200 GeV (2004)

Nouicer, R., Back, B. B., Baker, M. D., Ballintijn, M., Barton, D. S., Becker, B., ...

The measured pseudorapidity distributions of primary charged particles are presented for d+Au and p+p collisions at sqrt[SNN]= 200 GeV over a wide pseudorapidity range of |η|≤ 5.4. The...

Centrality dependence of charged antiparticle to particle ratios near midrapidity in d+Au collisions at sqrt[sNN]=200 GeV (2004)

Back, B. B., Baker, M. D., Ballintijn, M., Barton, D. S., Becker, B., Betts, R. R., ...

The ratios of the yields of charged antiparticles to particles have been obtained for pions, kaons, and protons near midrapidity for d+Au collisions at sqrt[sNN]=200 GeV as a function of centrality....

Collision geometry scaling of Au+Au pseudorapidity density from sqrt[SNN]=19.6 to 200 GeV (2004)

Back, B. B., Baker, M. D., Ballintijn, M., Barton, D. S., Betts, R. R., Bickley, A. A., ...

The centrality dependence of the midrapidity charged particle multiplicity in Au+Au heavy-ion collisions at sqrt[SNN]=19.6 and 200 GeV is presented. Within a simple model, the fraction of hard...

Flow in Au+Au collisions at RHIC (2004)

Tonjes, M. B., Back, B. B., Baker, M. D., Ballintijn, M., Barton, D. S., Betts, R. R., ...

The study of flow can provide information on the initial state dynamics and the degree of equilibration attained in heavy-ion collisions. This contribution presents results for both elliptic and...

Charged hadron transverse momentum distributions in Au + Au collisions at sqrt[SNN]=200 GeV (2004)

Back, B. B., Baker, M. D., Barton, D. S., Betts, R. R., Ballintijn, M., Bickley, A. A., ...

We present transverse momentum distributions of charged hadrons produced in Au + Au collisions at sqrt[SNN]=200 GeV. The spectra were measured for transverse momenta pT from 0.25 to 4.5 GeV/c in a...

PHOBOS at RHIC: some global observations (2003)

Carroll, Alan S., Back, Birger B., Baker, Mark Douglas, Barton, Debra S., Betts, R. R., Ballintijn, Maarten, ...

Particle production in Au+Au collisions has been measured in the PHOBOS experiment at RHIC for a range of collision energies for a large span of pseudorapidities, |η| < 5.4. Three empirical...

Centrality dependence of charged-hadron transverse-momentum spectra in d + Au collisions at square root SNN = 200 GeV (2003)

Back, Birger B., Baker, Mark Douglas, Ballintijn, Maarten, Barton, Debra S., Becker, B., Betts, R. R., ...

We have measured transverse momentum distributions of charged hadrons produced in d+Au collisions at sqrt[sNN]=200  GeV. The spectra were obtained for transverse momenta...

A first look at Au+Au collisions at RHIC energies using the PHOBOS detector (2003)

Back, Birger B., Baker, Mark Douglas, Barton, Debra S., Betts, R. R., Bindel, R., Budzanowski, Andrzej, ...

The PHOBOS detector has been used to study Au + Au collisions at √SNN = 56, 130, and 200 GeV. Several global observables have been measured and the results are compared with theoretical models....

Recent results from PHOBOS at RHIC (2003)

Pak, Robert, Back, Birger B., Baker, Mark Douglas, Barton, Debra S., Betts, R. R., Ballintijn, Maarten, ...

The PHOBOS experiment at RHIC has recorded measurements for Au---Au collisions spanning nucleon-nucleon center-of-mass energies from √SNN = 19.6 GeV to 200 GeV. Global observables such as...

Ratios of charged antiparticles to particles near midrapidity in Au + Au collisions at square root SNN = 200 GeV (2003)

Back, Birger B., Baker, Mark Douglas, Barton, Debra S., Betts, R. R., Ballintijn, Maarten, Bickley, Abigail A., ...

The ratios of charged antiparticles to particles have been obtained for pions, kaons, and protons near midrapidity in central Au+Au collisions at sqrt[sNN]=200 GeV. Ratios of...

Significance of the fragmentation region in ultrarelativistic heavy-ion collisions (2003)

Back, Birger B., Baker, Mark Douglas, Barton, Debra S., Betts, R. R., Ballintijn, Maarten, Bickley, Abigail A., ...

We present measurements of the pseudorapidity distribution of primary charged particles produced in Au+Au collisions at three energies, sqrt[sNN]=19.6, 130, and 200 GeV, for a range of collision...

PHOBOS at RHIC: some global observations (2003)

Carroll, Alan S., Back, Birger B., Baker, Mark Douglas, Barton, Debra S., Betts, R. R., Ballintijn, Maarten, ...

Particle production in Au+Au collisions has been measured in the PHOBOS experiment at RHIC for a range of collision energies for a large span of pseudorapidities, |η| < 5.4. Three empirical...

Centrality dependence of charged-hadron transverse-momentum spectra in d + Au collisions at square root SNN = 200 GeV (2003)

Back, Birger B., Baker, Mark Douglas, Ballintijn, Maarten, Barton, Debra S., Becker, B., Betts, R. R., ...

We have measured transverse momentum distributions of charged hadrons produced in d+Au collisions at sqrt[sNN]=200  GeV. The spectra were obtained for transverse momenta...

A first look at Au+Au collisions at RHIC energies using the PHOBOS detector (2003)

Back, Birger B., Baker, Mark Douglas, Barton, Debra S., Betts, R. R., Bindel, R., Budzanowski, Andrzej, ...

The PHOBOS detector has been used to study Au + Au collisions at √SNN = 56, 130, and 200 GeV. Several global observables have been measured and the results are compared with theoretical models....

Recent results from PHOBOS at RHIC (2003)

Pak, Robert, Back, Birger B., Baker, Mark Douglas, Barton, Debra S., Betts, R. R., Ballintijn, Maarten, ...

The PHOBOS experiment at RHIC has recorded measurements for Au---Au collisions spanning nucleon-nucleon center-of-mass energies from √SNN = 19.6 GeV to 200 GeV. Global observables such as...

Ratios of charged antiparticles to particles near midrapidity in Au + Au collisions at square root SNN = 200 GeV (2003)

Back, Birger B., Baker, Mark Douglas, Barton, Debra S., Betts, R. R., Ballintijn, Maarten, Bickley, Abigail A., ...

The ratios of charged antiparticles to particles have been obtained for pions, kaons, and protons near midrapidity in central Au+Au collisions at sqrt[sNN]=200 GeV. Ratios of...

Significance of the fragmentation region in ultrarelativistic heavy-ion collisions (2003)

Back, Birger B., Baker, Mark Douglas, Barton, Debra S., Betts, R. R., Ballintijn, Maarten, Bickley, Abigail A., ...

We present measurements of the pseudorapidity distribution of primary charged particles produced in Au+Au collisions at three energies, sqrt[sNN]=19.6, 130, and 200 GeV, for a range of collision...

Centrality dependence of charged particle multiplicity at midrapidity in Au+Au collisions at sqrt[SNN]=130 GeV (2002)

Back, B. B., Baker, M. D., Barton, D. S., Betts, R. R., Bindel, R., Budzanowski, A., ...

We present a measurement of the pseudorapidity density of primary charged particles near midrapidity in Au+Au collisions at sqrt[SNN]=130 GeV as a function of the number of participating nucleons....

Energy dependence of particle multiplicities in central Au + Au collisions (2002)

Back, B. B., Baker, M. D., Barton, D. S., Betts, R. R., Bindel, R., Budzanowski, A., ...

The first measurement of the pseudorapidity density of primary particles in Au + Au collisions was presented at sqrt[SNN]=130 GeV. Discussion of the the energy dependence of the pseudorapidity...

Overview of results from PHOBOS experiment at RHIC (2002)

Olszewski, A., Back, B. B., Baker, M. D., Barton, D. S., Betts, R. R., Bindel, R., ...

An overview of results for interactions of Au+Au ions at centre-of-mass energies of sqrt[SNN]=56, 130 and 200 GeV obtained by the PHOBOS collaboration at RHIC is given. Measurements of primary...

Results from the PHOBOS experiment at RHIC (2002)

Back, B. B., Baker, M. D., Barton, D. S., Betts, R. R., Bindel, R., Budzanowski, A., ...

Au+Au collisions have been studied at center-of-mass energies of sqrt[SNN]=56 and 130 GeV using the PHOBOS detector at RHIC. Charged particle multiplicities have been measured as a function of...

Centrality dependence of the charged particle multiplicity near midrapidity in Au+Au collisions at sqrt[SNN]=130 and 200 GeV (2002)

Back, B. B., Ballintijn, M., Baker, M. D., Barton, D. S., Betts, R. R., Bickley, A., ...

The PHOBOS experiment has measured the charged particle multiplicity at midrapidity in Au+Au collisions at sqrt[SNN]=200 GeV as a function of the collision centrality. Results on...

Pseudorapidity and centrality dependence of the collective flow of charged particles in Au + Au collisions at sqrt[SNN]=130 GeV (2002)

Back, B. B., Baker, M. D., Barton, D. S., Betts, R. R., Bindel, R., Budzanowski, A., ...

Collective flow for charged particles in Au+Au collisions at sqrt[SNN]=130 GeV was measured. The measured azimuthal hit anisotropy was presented over a wide range of pseudorapidity. The result was...

The PHOBOS experiment at RHIC (2002)

Garcia, E., Back, B. B., Baker, M. D., Barton, D. S., Betts, R. R., Bindel, R., ...

Since June 2000, the Relativistic Heavy-Ion Collider (RHIC) at Brookhaven National Laboratory has delivered the first collisions between Au nuclei at the highest center of mass energies achieved in...

Centrality dependence of charged particle multiplicity at midrapidity in Au+Au collisions at sqrt[SNN]=130 GeV (2002)

Back, B. B., Baker, M. D., Barton, D. S., Betts, R. R., Bindel, R., Budzanowski, A., ...

We present a measurement of the pseudorapidity density of primary charged particles near midrapidity in Au+Au collisions at sqrt[SNN]=130 GeV as a function of the number of participating nucleons....

Energy dependence of particle multiplicities in central Au + Au collisions (2002)

Back, B. B., Baker, M. D., Barton, D. S., Betts, R. R., Bindel, R., Budzanowski, A., ...

The first measurement of the pseudorapidity density of primary particles in Au + Au collisions was presented at sqrt[SNN]=130 GeV. Discussion of the the energy dependence of the pseudorapidity...

Overview of results from PHOBOS experiment at RHIC (2002)

Olszewski, A., Back, B. B., Baker, M. D., Barton, D. S., Betts, R. R., Bindel, R., ...

An overview of results for interactions of Au+Au ions at centre-of-mass energies of sqrt[SNN]=56, 130 and 200 GeV obtained by the PHOBOS collaboration at RHIC is given. Measurements of primary...

Results from the PHOBOS experiment at RHIC (2002)

Back, B. B., Baker, M. D., Barton, D. S., Betts, R. R., Bindel, R., Budzanowski, A., ...

Au+Au collisions have been studied at center-of-mass energies of sqrt[SNN]=56 and 130 GeV using the PHOBOS detector at RHIC. Charged particle multiplicities have been measured as a function of...

Centrality dependence of the charged particle multiplicity near midrapidity in Au+Au collisions at sqrt[SNN]=130 and 200 GeV (2002)

Back, B. B., Ballintijn, M., Baker, M. D., Barton, D. S., Betts, R. R., Bickley, A., ...

The PHOBOS experiment has measured the charged particle multiplicity at midrapidity in Au+Au collisions at sqrt[SNN]=200 GeV as a function of the collision centrality. Results on...

Pseudorapidity and centrality dependence of the collective flow of charged particles in Au + Au collisions at sqrt[SNN]=130 GeV (2002)

Back, B. B., Baker, M. D., Barton, D. S., Betts, R. R., Bindel, R., Budzanowski, A., ...

Collective flow for charged particles in Au+Au collisions at sqrt[SNN]=130 GeV was measured. The measured azimuthal hit anisotropy was presented over a wide range of pseudorapidity. The result was...

The PHOBOS experiment at RHIC (2002)

Garcia, E., Back, B. B., Baker, M. D., Barton, D. S., Betts, R. R., Bindel, R., ...

Since June 2000, the Relativistic Heavy-Ion Collider (RHIC) at Brookhaven National Laboratory has delivered the first collisions between Au nuclei at the highest center of mass energies achieved in...