Welcome to Bedanga Mohanty's webpage    

Some of my published work
Spectra physics working group convenor
Physics news from STAR
Other positions/work in STAR

1. I have worked on the analysis of the test beam from the prototype of photon multiplicity detector (PMD) to be used in ALICE - Published in Nuclear Instrumentation and Methods A 488 (2002) 131-143

2. Contributed extensively to the Technical Design Report (TDR) of PMD in ALICE. The chapters 2 and 4 in the TDR are my contributions.

3. The ALICE PMD had to be relocated due to various reasons, that led to writing the Addendum to Technical Design Report where we had to demonstrate the effect of relocation on physics capabilities of PMD. My contribution to this document is a major one, most simulations presented in this document for physics capabilities of PMD are done by me. It includes photon counting efficiency and purity of photon sample, effect of relocation on flow measurements, flow fluctuations and multiplicity fluctuations.

4. The ALICE PMD geometry is implemented by me in ALICE GEANT/Software framework - For more details, including details of implementation and relevant codes  click here

1. Calibration of ionization energy loss at relativistic rise with STAR Time Projection Chamber - Submitted to Nuclear Instruments and Methods A (2008)

2. STAR results on medium properties and response of the medium to energetic partons - STAR Plenary at QM2008

3. Fluctuations in net-charge : Beam energy and system size dependence - Submitted to Physical Review C (2008)

4. Search for color charge dependence of energy loss at RHIC (2007)

5. Energy dependence of charged pion, proton and anti-proton transverse momentum spectra for Au+Au collisions and understanding the partonic energy loss, recombination phenomena in heavy ion collisions - Published in Physics Letters B 655 (2007) 104-113

6. Properties of particle production at large transverse momentum in Au+Au and Cu+Cu collisions at RHIC - Published in Journal of Physics G  34 (2007) S793 - STAR Parallel Talk at QM2006

7. Rapidity and species dependence of particle production at large transverse momentum for d+Au collisions and understanding of initial state effects - Published in Physical Review C 76 (2007) 054903

8. Identified hadron spectra at large transverse momentum in p+p and d+Au collisions

9. and comparison to Next-to-Leading-Order perturbative  Quantum Chromodynamic calculations - Published in Physics Letters B 637 (2006)  161-169

10. Particle production at forward rapidity in d+Au and Au+Au collisions in STAR experiment at RHIC - Published in Nuclear Physics A 774 (2006) 481 - STAR Parallel Talk at QM2005

11. Multiplicity and pseudorapidity distributions of charged particles and photons at forward pseudorapidity in Au + Au collisions - Published  in Physical Review C  73 (2006)  034906

12. Multiplicity and pseudorapidity distributions of photons in Au + Au collisions - Published in Physical Review Letters 95 (2005) 062301

13. The STAR photon multiplicity detector - Published in Nuclear Instrumentation Methods A 499 (2003) 751-761

1. Systematic Measurements of Identified Particle Spectra in pp, d+Au and Au+Au Collisions from STAR - Submitted to Physical Review C

2. Charmed hadron production at low transverse momentum in Au+Au collisions at RHIC - Submitted to Physical Review Letters

3. Indications of Conical Emission of Charged Hadrons at RHIC - Submitted to Physical Review Letters

4. Hadronic resonance production in d+Au collisions at 200-GeV at RHIC - To appear in Physical Review C

5. Spin alignment measurements of the K*0(892) and phi (1020) vector mesons in heavy ion collisions at  200 GeV - Published in Physical Review C 77 (2008) 061902 Rapid Communications

6. Partonic flow and phi-meson production in Au + Au collisions at 200-GeV - Published in Physical Review Letters 99 (2007) 112301

7. Identified baryon and meson distributions at large transverse momenta from Au+Au collisions at  200-GeV - Published in Physical Review Letters 97 (2006) 152301

Physics news from STAR for general physics audience

1. Transverse Single Spin Asymmetries measurements in RHIC  - August 13th 2008

2. Beam-Energy and System-Size Dependence of Dynamical Net Charge at RHIC - July 28th 2008

3. System-size independence of directed flow at RHIC - July 14th 2008

4. Charmed hadron production at low transverse momentum at RHIC - June 27th 2008

5. Indication of conical emission at RHIC - June 13th 2008

6. STAR QM08 Highlights II: STAR Results on Medium Properties and Response of the Medium to Energetic Partons - RHIC news March 11th 2008

1. Centrality dependence of charged neutral particle fluctuations in 158-A-GeV Pb+ Pb collisions and sumarizing the search for disoriented chiral condensate search in WA98 experiment - Publsihed in Physical Review C 67 (2003) 044901

2. Particle density fluctuations - Published in Nuclear Physics A 715 (2003) 339 - WA98 Plenary talk at QM2002

3. Event-by-event fluctuations in particle multiplicities and transverse energy produced in 158-A-GeV Pb + Pb collisions - Published in Physical Review C 65 (2002) 054912

4. Localized charged neutral fluctuations in 158 A GeV Pb + Pb collisions - Most comprehensive search for Disoriented Chiral Condensates at SPS - Published in Physical Review C 64 (2001) 011901 Rapid Communications

1. Disoriented chiral condensate: theory and experiment - Physics Reports 414 (2005) 263-358

2. The Width of the rapidity distribution in heavy ion collisions - Published in Physical Review C 71 (2005) 047901

3. Lepton interferometry in relativistic heavy ion collisions: A Case study - Published in Physical Review C 70 (2004) 054901

4. Quark participants and global observables - Published in Physical Review C 70 (2004) 027901

5. Search for Disoriented Chiral Condensates in relativistic heavy ion collisions: Possibilities and limitations - Published in International Journal of Modern Physics A 19 (2004) 1453

6. Velocity of sound in relativistic heavy ion collisions - Published in Physical Review C 68 (2003) 064903

7. Indication of a coexisting phase of quarks and hadrons in nucleus-nucleus collisions - Vanhove signature in heavy-ion collisions - Published in Physical Review C 68 (2003) 021901, Rapid Communications

8. Photon interferometry and size of the hot zone in relativistic heavy ion collisions - Published in Physical Review C 67 (2003) 054902

9. Evolution of fluctuation in relativistic heavy ion collisions - Pubslished in Physical Review C 67 (2003) 024904

10. Phi measure and disoriented chiral condensates - Published in International Journal of Modern Physics A 18 (2003) 1067

11. Acceptance dependence of fluctuation in particle multiplicity - Published in International Journal of Modern Physics A 17 (2002) 675

12. A Fluctuation probe of disoriented chiral condensates - Published in Physical Review C 66 (2002) 044901

13. Localized domains of disoriented chiral condensates  - Wavelet based analysis - Published in Physics Letters B 461 (1999) 142-148

14. Search for DCC in relativistic heavy ion collision through event shape analysis - Linking elliptic flow and Disoriented Chiral Condensates experimental signatures - Published in Physics Letters B 449 (1999) 109-113

1. STAR results on medium properties and response of medium to highly energetic partons, Invited talk at 20th International conference on ultra relativistic nucleus nucleus collisions, QM2008, Jaipur, India, February 4-10, 2008

2. Search for the color factor effect at RHIC, Invited talk at International Symposium on Multiparticle Dynamics LBNL, Berkeley, USA, August 4-9, 2007

3. Search for Effects of the QCD Color Factor in High-Energy Collisions at RHIC, Nuclear Science Division Special Seminar, Lawrence Berkeley National Laboratory, Berkeley, USA, May 29, 2007

4. Quark Matter 2006 - Summary for non-specialists, All Staff Meeting of Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, USA, January 8 2007

5. Quark Matter 2006 Summary - Soft physics sector, Heavy Ion Tea Meeting, Lawrence Berkeley National Laboratory, Berkeley, USA, December 12 2006

6. Properties of particle production at large transverse momentum in Au+Au and Cu+Cu collisions at RHIC, Quark Matter 2006, 19th International Conference on Ultra-relativistic Nucleus-Nucleus Collisions, Shanghai, China, November, 2006

7. Future Trigger requirements from Spectra Physics Working Group in STAR, STAR Trigger Workshop, Brookhaven National Laboratory, USA, September 15, 2006

8. A view on present and vision for future, Invited talk at VECC Foundation Day Celebration, R and D Activities at VECC - Present and Future, Kolkata, India June 16, 2006

9. Experimental results from forward rapidity at RHIC, Invited talk at QGP MEET 2006, Kolkata, India, February 6, 2006 

10. Results from STAR experiment at RHIC, Invited talk at 9th Workshop on High Energy Physics Phenomenology (WHEPP-9), Bhubaneswar, India, January 3-14, 2006

11. Test beam results for the photon multiplicity detector for RHIC and LHC, Student Lecture, 47th STAR/ALICE PMD Collaboration Meeting, VECC, Kolkata, India, December 26-30, 2005

12. Results from the Relativistic Heavy Ion Collider, Invited talk at 50th DAE-BRNS International Symposium on Nuclear Physics, Mumbai, India, December 12-16, 2005

13. Results on transverse momentum spectra in p+p and d+Au collisions from STAR experiment at RHIC, Invited talk at 47th Workshop on Physics of Hadronic Interaction at LHC with Nucleons and Nuclei and Phase Transition Physics and The 1st physics ALICE week, Erice, Italy,December 2-10, 2005

14. Identified hadron spectra at large transverse momentum in p+p and d+Au at 200 GeV, Invited talk at Brookhaven National Laboratory Nuclear Physics Seminar, USA, November 22, 2005

15. Particle production in p+p, d+Au and Au+Au collisions at RHIC, Invited talk at Lawrence Berkeley National Laboratory Nuclear Physics Seminar, USA, November 17, 2005

16. Alignment issues for the photon multiplicity detector in ALICE, ALICE off-line week, CERN, Geneva, October 3-7, 2005

17. Experimental results from relativistic heavy ion collisions reported at Quark Matter 2005, Physics Group Seminar, Variable Energy Cyclotron Centre, Kolkata, India, August 30 2005

18. Particle Production at forward rapidity in d+Au and Au+Au collisions, Quark Matter 2005, 18th International Conference on Ultra-relativistic Nucleus-Nucleus Collisions, Budapest, Hungary, August 4, 2005

19. Multiplicity and Pseudorapidity Distributions of Charged particles and photons in Au+Au collisions at 62.4 GeV, STAR Collaboration Meeting, Warsaw, Poland, July 31, 2005

20. Particle Production at forward rapidity in d+Au and Au+Au collisions, STAR Collaboration Meeting, Warsaw, Poland, July 29, 2005

21. First results from Photon Multiplicity Detector at RHIC, 5th International conference on physics and astrophysics of quark-gluon plasma, Kolkata, India, February 8-12, 2005

22. Disoriented Chiral Condensates : Experimental Review, Invited talk at QGP Meet 2004 Institute of Physics, Bhubaneswar, India, October 2004

23. Experimental results from Ultra-relativistic heavy ion collisions, Physics Group Seminar Variable Energy Cyclotron Centre, Kolkata, India, November 20 2003

24. Search for DCC in relativistic heavy-ion collisions : Possibilities and Limitations, DAE-BRNS symposium on nuclear physics, Tirunelveli, December 26-30, 2002

25. Study of photon and charged particle multiplicity correlation in 158 AGeV/c Pb on Pb collisions, Thesis presentation, DAE-BRNS symposium on nuclear physics, Tirunelveli, December 26-30, 2002

26. Photon and charged particle multiplicity fluctuation and correlation in 158 AGeV/c Pb on Pb collisions, Wayne State University, Detroit, USA, February 2003

27. Multiplicity fluctuation and correlation as a probe for QCD phase transition, Physics Group Seminar Variable Energy Cyclotron Centre, Kolkata, India, March 5 2003

28. Fluctuations and QCD Phase transitions, Invited talk at QGP Meet 2003 Variable Energy Cyclotron Centre, Kolkata, India, May 2003

29. Particle Density Fluctuations, Plenary talk at XVI International Conference on Ultra-Relativistic Nucleus-Nucleus Collisions (Quark Matter 2002), Nantes, France July 17-24, 2002

30. Report on QM2002, Physics group seminar Variable Energy Cyclotron Centre, Kolkata, India, August 9 2002

31. Some interesting results from high energy heavy-ion collision experiments, Invited talk On the occasion of the Alumni and Foundation day of the Institute of Physics, Institute of Physics, Bhubaneswar September 3-4, 2002

32. Fluctuation in photon and charged particle multiplicities at SPS and it’s prospect at RHIC and LHC, Invited talk at DAE-BRNS symposium on nuclear physics, SINP/VECC Kolkata, December 26-30, 2001

33. Photon multiplicity detector : From SPS to RHIC and LHC, Invited talk at 4th International conference on physics and astrophysics of quark-gluon plasma, Jaipur, India, November 26-30, 2001

34. Localized charged-neutral fluctuations in 158 A GeV Pb + Pb collisions, Invited talk at CERN Heavy Ion Forum ”on Event-by-event physics”, CERN, Geneva, June 21-22 2001

35. Installation plan of Photon Multiplicity Detector in STAR, FY02 shutdown workshop, Brookhaven National Laboratory, New York, USA, June 26-27 2001

36. Localized Charged-Neutral Fluctuations in 158.A GeV Pb+Pb Collisions, Institute of Physics, Bhubaneswar,India,May 2, 2001

37. Event-by-event fluctuation in photon and charged particle multiplicity and produced transverse energy in 158.A GeV Pb+Pb Collisions, WA98 Collaboration meeting, BNL, USA, January, 2001

38. Search for disoriented chiral condensates in 158.A GeV Pb+Pb collisions, DAE Symposium on Nuclear Physics, Panjab University, Chandigarh, India, December 27-31, 1999

39. Test data results of a prototype detector to be used in ALICE, Institute of Physics, Bhubaneswar,India October 15, 1999

40. Search for disoriented chiral condensates in 158.A GeV Pb+Pb collisions in WA98 experiment, Relativistic heavy-ion physics (RHIP’99), Hot and dense matter Prague, Czech republic, August 30 - 3 September, 1999

41. Search of DCC at ultra relativistic energies using event shape analysis technique, DAE Symposium on Nuclear Physics, BARC, Mumbai, India, December 21-24, 1998

42. Search of DCC using flow technique, Mini workshop on physics of relativistic heavy ion collisions, Bhubaneswar, India, March 11-15 1999

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Recognitions and Positions held

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Conference Organization

Organizing Committee member of Quark Matter 2008, Jaipur, India, February 4 - 10, 2008

Organzing Committee member of QGP Winter School 2008, Jaipur , India, February 1 - 3, 2008

Organizing Committee member and Chair of the Programme Committee, STAR Collaboration Meeting, IIT Bombay, January 28 - February 2, 2008

Coordinator Quark Gluon Plasma Working Group, in Xth workshop on high energy physics phenomenology, IMSc Chennai, January 2 - 13, 2008

Organizing Committee member of BRNS Workshop on Quark Gluon Plasma (QGP Meet 2006), Kolkata, India, February 5-7, 2006

Scientific secretary and Organizing Committee member of the 5th International conference on physics and astrophysics of quark gluon plasma, Kolkata, India, February 8-12, 2005

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